docker

.github/workflows/analyze-and-test.yaml

@@ -6,15 +6,15 @@ on:
       - master
 
 jobs:
-  analyze_and_test:
+  analyze:
     name: Flutter analyze
     strategy:
       matrix:
-        flutter: ['stable']
+        flutter: ['stable', 'beta']
     runs-on: macos-latest
     steps:
       - uses: actions/checkout@v2
-      - uses: subosito/flutter-action@v2
+      - uses: subosito/flutter-action@v1
         with:
           channel: ${{ matrix.flutter }}
       - run: flutter doctor
@@ -22,9 +22,6 @@ jobs:
       - run: flutter pub get
         working-directory: example
       - run: flutter analyze
-      - run: flutter test
-      - run: flutter test
-        working-directory: example
       - run: flutter pub run tool/prepare_submit.dart
       - name: "check for uncommitted changes"
         run: |
@@ -33,14 +30,24 @@ jobs:
                    "and check in all changes" \
               && exit 1)
         shell: bash
+  test:
+    name: Run all tests
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Run tests
+        uses: docker://cirrusci/flutter:2.0.6
+        with:
+          args: sh run_tests.sh
   build_web_version:
     name: Check that the web version compile
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-      - uses: subosito/flutter-action@v2
+      - uses: subosito/flutter-action@v1
         with:
-          channel: 'stable'
+          channel: 'beta'
+      - run: flutter config --enable-web
       - run: flutter precache web
       - run: flutter pub get
         working-directory: example

.github/workflows/publish-on-pub.yaml

@@ -8,16 +8,17 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-      - uses: subosito/flutter-action@v2
+      - uses: subosito/flutter-action@v1
         with:
-          channel: 'stable'
+          channel: 'beta'
       - run: flutter pub get
       - run: flutter pub run tool/publish/comment_dependency_overrides.dart
       - run: flutter pub get
       - run: flutter pub run tool/publish/check_version.dart ${GITHUB_REF}
       - name: Setup credentials
         run: |
-          cat <<EOF > $PUB_CACHE/credentials.json
+          mkdir -p $FLUTTER_HOME/.pub-cache
+          cat <<EOF > $FLUTTER_HOME/.pub-cache/credentials.json
           {
             "accessToken":"${{ secrets.OAUTH_ACCESS_TOKEN }}",
             "refreshToken":"${{ secrets.OAUTH_REFRESH_TOKEN }}",

.gitignore

@@ -3,7 +3,6 @@ _*
 
 !.gitignore
 !.github
-!.pubignore
 
 **/failures/*.png
 

.pubignore

@@ -1,15 +0,0 @@
-.dart_tool/
-.packages
-build/
-doc/api/
-*.iml
-_*
-.*
-**/failures/*.png
-test/golden/
-test/goldens/
-example/assets/
-example/android/
-example/ios/
-example/macos/
-example/web/

CHANGELOG.md

@@ -1,99 +1,3 @@
-## [1.4.2]
-- Use `FilterQuality.low` as default to draw image layers.
-
-## [1.4.1]
-- Allow `AlignmentGeometry` for `alignment`.
-
-## [1.4.0]
-- Added `filterQuality` property to control the performance vs quality trade-off to use when drawing images
-
-## [1.3.0]
-- Added support for rounded corners on shapes and rects
-- Add support for text in dynamic properties (`ValueDelegate`)
-
-Example:
-
-```dart
-Lottie.asset(
-  'assets/DynamicText.json',
-  delegates: LottieDelegates(values: [
-    ValueDelegate.text(
-      ['Text layer'], // The path to the text element to change
-      value: 'The new text',
-    ),
-  ]),
-)
-```
-
-- Improve stroke with offset
-- Add support for reversed polystar paths
-- Enforce order of operations to avoid rounding errors
-
-## [1.2.2]
-- Internal maintenance: fix lints for Flutter 2.10
-
-## [1.2.1]
-- Fix: Revert Cubic to `PathInterpolator.cubic`
-
-## [1.2.0]
-- Add support for gaussian blurs.
-
-Example to blur some elements dynamically:
-  
-```dart
-Lottie.asset(
-  'assets/AndroidWave.json',
-  delegates: LottieDelegates(values: [
-    ValueDelegate.blurRadius(
-      ['**'], // The path to the element to blur
-      value: 20,
-    ),
-  ]),
-)
-```
-
-- Add support for drop shadows.
-
-Example to add a shadow dynamically:
-```dart
-Lottie.asset(
-  'assets/animation.json',
-  delegates: LottieDelegates(values: [
-    ValueDelegate.dropShadow(
-      ['**'], // The path to the elements with shadow
-      value: const DropShadow(
-        color: Colors.blue,
-        direction: 140,
-        distance: 60,
-        radius: 10,
-      ),
-    ),
-  ]),
-)
-```
-
-## [1.1.0]
-- Add `errorBuilder` callback to provide an alternative widget in case an error occurs during loading.
-```dart
-Lottie.network(
-  'https://example.does.not.exist/lottie.json',
-  errorBuilder: (context, exception, stackTrace) {
-    return const Text('😢');
-  },
-);
-```
-
-- Add `onWarning` to be notified when a warning occurs during the animation parsing or painting.
-  Previously the warnings where written in an internal `logger`.
-  ```dart
-  Lottie.asset('animation.json'
-    onWarning: (warning) {
-      _logger.info(warning);
-    },
-  );
-  ```
-- Various bug fixes
-
 ## [1.0.1]
 - Implement `RenderBox.computeDryLayout`
 

CONTRIBUTING.md

@@ -0,0 +1,7 @@
+
+## Run the Golden tests
+Run and update the golden tests requires Docker installed.
+
+```shell script
+sh update_goldens.sh
+```

README.md

@@ -20,11 +20,9 @@ The `Lottie` widget will load the json file and run the animation indefinitely.
 import 'package:flutter/material.dart';
 import 'package:lottie/lottie.dart';
 
-void main() => runApp(const MyApp());
+void main() => runApp(MyApp());
 
 class MyApp extends StatelessWidget {
-  const MyApp({Key? key}) : super(key: key);
-
   @override
   Widget build(BuildContext context) {
     return MaterialApp(
@@ -58,13 +56,11 @@ With a custom `AnimationController` you have a rich API to play the animation in
 import 'package:flutter/material.dart';
 import 'package:lottie/lottie.dart';
 
-void main() => runApp(const MyApp());
+void main() => runApp(MyApp());
 
 class MyApp extends StatefulWidget {
-  const MyApp({Key? key}) : super(key: key);
-
   @override
-  State<MyApp> createState() => _MyAppState();
+  _MyAppState createState() => _MyAppState();
 }
 
 class _MyAppState extends State<MyApp> with TickerProviderStateMixin {
@@ -136,10 +132,8 @@ This example shows how to load and parse a Lottie composition from a json file.
 
 ```dart
 class MyWidget extends StatefulWidget {
-  const MyWidget({Key? key}) : super(key: key);
-
   @override
-  State<MyWidget> createState() => _MyWidgetState();
+  _MyWidgetState createState() => _MyWidgetState();
 }
 
 class _MyWidgetState extends State<MyWidget> {
@@ -166,7 +160,7 @@ class _MyWidgetState extends State<MyWidget> {
         if (composition != null) {
           return Lottie(composition: composition);
         } else {
-          return const Center(child: CircularProgressIndicator());
+          return Center(child: CircularProgressIndicator());
         }
       },
     );
@@ -188,7 +182,7 @@ class CustomDrawer extends StatelessWidget {
   Widget build(BuildContext context) {
     return CustomPaint(
       painter: _Painter(composition),
-      size: const Size(400, 400),
+      size: Size(400, 400),
     );
   }
 }
@@ -242,7 +236,7 @@ class _Animation extends StatelessWidget {
           ),
           ValueDelegate.position(
             const ['Shape Layer 1', 'Rectangle', '**'],
-            relative: const Offset(100, 200),
+            relative: Offset(100, 200),
           ),
         ],
       ),

analysis_options.yaml

@@ -1,29 +1,43 @@
-include: package:flutter_lints/flutter.yaml
+include: package:pedantic/analysis_options.yaml
 analyzer:
   strong-mode:
     implicit-casts: false
     implicit-dynamic: false
 linter:
   rules:
-    avoid_print: false
-
-    always_declare_return_types: true
     avoid_dynamic_calls: true
-    avoid_escaping_inner_quotes: true
+    avoid_renaming_method_parameters: true
+    avoid_returning_null_for_future: true
+    avoid_returning_null_for_void: true
+    avoid_returning_this: true
     avoid_setters_without_getters: true
-    cast_nullable_to_non_nullable: true
+    avoid_web_libraries_in_flutter: true
+    await_only_futures: true
+    camel_case_types: true
+    cancel_subscriptions: true
     close_sinks: true
+    constant_identifier_names: true
+    empty_statements: true
+    hash_and_equals: true
+    iterable_contains_unrelated_type: true
+    list_remove_unrelated_type: true
     no_adjacent_strings_in_list: true
-    no_default_cases: true
-    omit_local_variable_types: true
+    non_constant_identifier_names: true
     only_throw_errors: true
+    overridden_fields: true
+    prefer_inlined_adds: true
     prefer_interpolation_to_compose_strings: true
-    prefer_single_quotes: true
-    sort_child_properties_last: true
+    prefer_null_aware_method_calls: true
+    prefer_null_aware_operators: true
+    prefer_relative_imports: true
+    prefer_typing_uninitialized_variables: true
     sort_pub_dependencies: true
     test_types_in_equals: true
-    unawaited_futures: true
+    unnecessary_brace_in_string_interps: true
+    unnecessary_getters_setters: true
+    unnecessary_null_checks: true
     unnecessary_parenthesis: true
     unnecessary_statements: true
-    unsafe_html: true
-    use_raw_strings: true
+    use_function_type_syntax_for_parameters: true
+    use_if_null_to_convert_nulls_to_bools: true
+    void_checks: true

example/README.md

@@ -6,11 +6,9 @@
 import 'package:flutter/material.dart';
 import 'package:lottie/lottie.dart';
 
-void main() => runApp(const MyApp());
+void main() => runApp(MyApp());
 
 class MyApp extends StatelessWidget {
-  const MyApp({Key? key}) : super(key: key);
-
   @override
   Widget build(BuildContext context) {
     return MaterialApp(

example/android/.gitignore

@@ -5,9 +5,3 @@ gradle-wrapper.jar
 /gradlew.bat
 /local.properties
 GeneratedPluginRegistrant.java
-
-# Remember to never publicly share your keystore.
-# See https://flutter.dev/docs/deployment/android#reference-the-keystore-from-the-app
-key.properties
-**/*.keystore
-**/*.jks

example/android/app/build.gradle

@@ -8,7 +8,7 @@ if (localPropertiesFile.exists()) {
 
 def flutterRoot = localProperties.getProperty('flutter.sdk')
 if (flutterRoot == null) {
-    throw new GradleException("Flutter SDK not found. Define location with flutter.sdk in the local.properties file.")
+    throw new Exception("Flutter SDK not found. Define location with flutter.sdk in the local.properties file.")
 }
 
 def flutterVersionCode = localProperties.getProperty('flutter.versionCode')
@@ -26,28 +26,23 @@ apply plugin: 'kotlin-android'
 apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
 
 android {
-    compileSdkVersion flutter.compileSdkVersion
-
-    compileOptions {
-        sourceCompatibility JavaVersion.VERSION_1_8
-        targetCompatibility JavaVersion.VERSION_1_8
-    }
-
-    kotlinOptions {
-        jvmTarget = '1.8'
-    }
+    compileSdkVersion 28
 
     sourceSets {
         main.java.srcDirs += 'src/main/kotlin'
     }
 
+    lintOptions {
+        disable 'InvalidPackage'
+    }
+
     defaultConfig {
-        // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
-        applicationId "com.github.xvrh.lottie.example"
-        minSdkVersion flutter.minSdkVersion
-        targetSdkVersion flutter.targetSdkVersion
+        applicationId "com.github.xvrh.lottie.sample"
+        minSdkVersion 16
+        targetSdkVersion 28
         versionCode flutterVersionCode.toInteger()
         versionName flutterVersionName
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }
 
     buildTypes {
@@ -65,4 +60,7 @@ flutter {
 
 dependencies {
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
+    testImplementation 'junit:junit:4.12'
+    androidTestImplementation 'androidx.test:runner:1.1.1'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.1.1'
 }

example/android/app/src/debug/AndroidManifest.xml

@@ -1,5 +1,5 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="com.github.xvrh.lottie.example">
+    package="com.github.xvrh.lottie.sample">
     <!-- Flutter needs it to communicate with the running application
          to allow setting breakpoints, to provide hot reload, etc.
     -->

example/android/app/src/main/AndroidManifest.xml

@@ -1,25 +1,21 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="com.github.xvrh.lottie.example">
-   <application
+    package="com.github.xvrh.lottie.sample">
+    <!-- io.flutter.app.FlutterApplication is an android.app.Application that
+         calls FlutterMain.startInitialization(this); in its onCreate method.
+         In most cases you can leave this as-is, but you if you want to provide
+         additional functionality it is fine to subclass or reimplement
+         FlutterApplication and put your custom class here. -->
+    <application
+        android:name="io.flutter.app.FlutterApplication"
         android:label="example"
-        android:name="${applicationName}"
         android:icon="@mipmap/ic_launcher">
         <activity
             android:name=".MainActivity"
-            android:exported="true"
             android:launchMode="singleTop"
             android:theme="@style/LaunchTheme"
             android:configChanges="orientation|keyboardHidden|keyboard|screenSize|smallestScreenSize|locale|layoutDirection|fontScale|screenLayout|density|uiMode"
             android:hardwareAccelerated="true"
             android:windowSoftInputMode="adjustResize">
-            <!-- Specifies an Android theme to apply to this Activity as soon as
-                 the Android process has started. This theme is visible to the user
-                 while the Flutter UI initializes. After that, this theme continues
-                 to determine the Window background behind the Flutter UI. -->
-            <meta-data
-              android:name="io.flutter.embedding.android.NormalTheme"
-              android:resource="@style/NormalTheme"
-              />
             <intent-filter>
                 <action android:name="android.intent.action.MAIN"/>
                 <category android:name="android.intent.category.LAUNCHER"/>

example/android/app/src/main/kotlin/com/github/xvrh/lottie/example/MainActivity.kt

@@ -1,6 +0,0 @@
-package com.github.xvrh.lottie.example
-
-import io.flutter.embedding.android.FlutterActivity
-
-class MainActivity: FlutterActivity() {
-}

example/android/app/src/main/kotlin/com/github/xvrh/lottie/sample/MainActivity.kt

@@ -0,0 +1,12 @@
+package com.github.xvrh.lottie.sample
+
+import androidx.annotation.NonNull;
+import io.flutter.embedding.android.FlutterActivity
+import io.flutter.embedding.engine.FlutterEngine
+import io.flutter.plugins.GeneratedPluginRegistrant
+
+class MainActivity: FlutterActivity() {
+    override fun configureFlutterEngine(@NonNull flutterEngine: FlutterEngine) {
+        GeneratedPluginRegistrant.registerWith(flutterEngine);
+    }
+}

example/android/app/src/main/res/drawable-v21/launch_background.xml

@@ -1,12 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- Modify this file to customize your launch splash screen -->
-<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
-    <item android:drawable="?android:colorBackground" />
-
-    <!-- You can insert your own image assets here -->
-    <!-- <item>
-        <bitmap
-            android:gravity="center"
-            android:src="@mipmap/launch_image" />
-    </item> -->
-</layer-list>

example/android/app/src/main/res/values-night/styles.xml

@@ -1,18 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<resources>
-    <!-- Theme applied to the Android Window while the process is starting when the OS's Dark Mode setting is on -->
-    <style name="LaunchTheme" parent="@android:style/Theme.Black.NoTitleBar">
-        <!-- Show a splash screen on the activity. Automatically removed when
-             Flutter draws its first frame -->
-        <item name="android:windowBackground">@drawable/launch_background</item>
-    </style>
-    <!-- Theme applied to the Android Window as soon as the process has started.
-         This theme determines the color of the Android Window while your
-         Flutter UI initializes, as well as behind your Flutter UI while its
-         running.
-
-         This Theme is only used starting with V2 of Flutter's Android embedding. -->
-    <style name="NormalTheme" parent="@android:style/Theme.Black.NoTitleBar">
-        <item name="android:windowBackground">?android:colorBackground</item>
-    </style>
-</resources>

example/android/app/src/main/res/values/styles.xml

@@ -1,18 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
-    <!-- Theme applied to the Android Window while the process is starting when the OS's Dark Mode setting is off -->
-    <style name="LaunchTheme" parent="@android:style/Theme.Light.NoTitleBar">
+    <style name="LaunchTheme" parent="@android:style/Theme.Black.NoTitleBar">
         <!-- Show a splash screen on the activity. Automatically removed when
              Flutter draws its first frame -->
         <item name="android:windowBackground">@drawable/launch_background</item>
     </style>
-    <!-- Theme applied to the Android Window as soon as the process has started.
-         This theme determines the color of the Android Window while your
-         Flutter UI initializes, as well as behind your Flutter UI while its
-         running.
-
-         This Theme is only used starting with V2 of Flutter's Android embedding. -->
-    <style name="NormalTheme" parent="@android:style/Theme.Light.NoTitleBar">
-        <item name="android:windowBackground">?android:colorBackground</item>
-    </style>
 </resources>

example/android/app/src/profile/AndroidManifest.xml

@@ -1,5 +1,5 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="com.github.xvrh.lottie.example">
+    package="com.github.xvrh.lottie.sample">
     <!-- Flutter needs it to communicate with the running application
          to allow setting breakpoints, to provide hot reload, etc.
     -->

example/android/build.gradle

@@ -1,12 +1,12 @@
 buildscript {
-    ext.kotlin_version = '1.6.10'
+    ext.kotlin_version = '1.3.50'
     repositories {
         google()
-        mavenCentral()
+        jcenter()
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:4.1.0'
+        classpath 'com.android.tools.build:gradle:3.5.0'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }
@@ -14,7 +14,7 @@ buildscript {
 allprojects {
     repositories {
         google()
-        mavenCentral()
+        jcenter()
     }
 }
 

example/android/gradle.properties

@@ -1,3 +1,4 @@
 org.gradle.jvmargs=-Xmx1536M
+android.enableR8=true
 android.useAndroidX=true
 android.enableJetifier=true

example/android/gradle/wrapper/gradle-wrapper.properties

@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.7-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-5.6.2-all.zip

example/android/settings.gradle

@@ -1,11 +1,15 @@
 include ':app'
 
-def localPropertiesFile = new File(rootProject.projectDir, "local.properties")
-def properties = new Properties()
+def flutterProjectRoot = rootProject.projectDir.parentFile.toPath()
 
-assert localPropertiesFile.exists()
-localPropertiesFile.withReader("UTF-8") { reader -> properties.load(reader) }
+def plugins = new Properties()
+def pluginsFile = new File(flutterProjectRoot.toFile(), '.flutter-plugins')
+if (pluginsFile.exists()) {
+    pluginsFile.withReader('UTF-8') { reader -> plugins.load(reader) }
+}
 
-def flutterSdkPath = properties.getProperty("flutter.sdk")
-assert flutterSdkPath != null, "flutter.sdk not set in local.properties"
-apply from: "$flutterSdkPath/packages/flutter_tools/gradle/app_plugin_loader.gradle"
+plugins.each { name, path ->
+    def pluginDirectory = flutterProjectRoot.resolve(path).resolve('android').toFile()
+    include ":$name"
+    project(":$name").projectDir = pluginDirectory
+}

example/assets/Tests/AnimatedShadow.json

@@ -1 +0,0 @@
-{"v":"5.7.7","fr":29.9700012207031,"ip":0,"op":181.000007372281,"w":375,"h":375,"nm":"Square","ddd":0,"assets":[],"layers":[{"ddd":0,"ind":1,"ty":4,"nm":"Shape Layer 1","sr":1,"ks":{"o":{"a":0,"k":100,"ix":11},"r":{"a":0,"k":0,"ix":10},"p":{"a":0,"k":[187.5,187.5,0],"ix":2,"l":2},"a":{"a":0,"k":[0,0,0],"ix":1,"l":2},"s":{"a":0,"k":[100,100,100],"ix":6,"l":2}},"ao":0,"ef":[{"ty":25,"nm":"Drop Shadow2","np":8,"mn":"ADBE Drop Shadow","ix":1,"en":1,"ef":[{"ty":2,"nm":"Shadow Color","mn":"ADBE Drop Shadow-0001","ix":1,"v":{"a":1,"k":[{"i":{"x":[0.833],"y":[0.833]},"o":{"x":[0.167],"y":[0.167]},"t":0,"s":[0,0,0,1]},{"t":151.000006150356,"s":[0,0.371857702732,1,1]}],"ix":1}},{"ty":0,"nm":"Opacity","mn":"ADBE Drop Shadow-0002","ix":2,"v":{"a":1,"k":[{"i":{"x":[0.833],"y":[1]},"o":{"x":[0.167],"y":[0]},"t":0,"s":[127.5]},{"t":151.000006150356,"s":[127.5]}],"ix":2}},{"ty":0,"nm":"Direction","mn":"ADBE Drop Shadow-0003","ix":3,"v":{"a":1,"k":[{"i":{"x":[0.833],"y":[0.833]},"o":{"x":[0.167],"y":[0.167]},"t":0,"s":[0]},{"t":151.000006150356,"s":[360]}],"ix":3}},{"ty":0,"nm":"Distance","mn":"ADBE Drop Shadow-0004","ix":4,"v":{"a":1,"k":[{"i":{"x":[0.833],"y":[0.833]},"o":{"x":[0.167],"y":[0.167]},"t":0,"s":[10]},{"t":151.000006150356,"s":[15]}],"ix":4}},{"ty":0,"nm":"Softness","mn":"ADBE Drop Shadow-0005","ix":5,"v":{"a":1,"k":[{"i":{"x":[0.833],"y":[0.833]},"o":{"x":[0.167],"y":[0.167]},"t":0,"s":[20]},{"t":151.000006150356,"s":[50]}],"ix":5}},{"ty":7,"nm":"Shadow Only","mn":"ADBE Drop Shadow-0006","ix":6,"v":{"a":0,"k":0,"ix":6}}]}],"shapes":[{"ty":"gr","it":[{"ty":"rc","d":1,"s":{"a":0,"k":[217.641,217.641],"ix":2},"p":{"a":0,"k":[0,0],"ix":3},"r":{"a":0,"k":0,"ix":4},"nm":"Rectangle Path 1","mn":"ADBE Vector Shape - Rect","hd":false},{"ty":"fl","c":{"a":0,"k":[1,0,0,1],"ix":4},"o":{"a":0,"k":100,"ix":5},"r":1,"bm":0,"nm":"Fill 1","mn":"ADBE Vector Graphic - Fill","hd":false},{"ty":"tr","p":{"a":0,"k":[-4.68,-1.68],"ix":2},"a":{"a":0,"k":[0,0],"ix":1},"s":{"a":0,"k":[100,100],"ix":3},"r":{"a":0,"k":0,"ix":6},"o":{"a":0,"k":100,"ix":7},"sk":{"a":0,"k":0,"ix":4},"sa":{"a":0,"k":0,"ix":5},"nm":"Transform"}],"nm":"Rectangle 1","np":2,"cix":2,"bm":0,"ix":1,"mn":"ADBE Vector Group","hd":false}],"ip":0,"op":184.000007494474,"st":0,"bm":0}],"markers":[]}

example/assets/Tests/FillBlur.json

@@ -1 +0,0 @@
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example/assets/Tests/GradientStrokeBlur.json

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example/assets/Tests/Rect1.json

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example/assets/Tests/Rect4.json

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example/assets/Tests/Rect6.json

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example/assets/Tests/Rect7.json

@@ -1 +0,0 @@
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example/assets/Tests/Rect9.json

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example/assets/Tests/ReversedStar.json

@@ -1,288 +0,0 @@
-{
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-  "ip": 0,
-  "op": 94,
-  "w": 150,
-  "h": 150,
-  "nm": "Anim_load",
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-  "assets": [],
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-      "nm": "LF03",
-      "sr": 1,
-      "ks": {
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example/assets/Tests/RoundedCorners.json

@@ -1,390 +0,0 @@
-{
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-  "op": 900.000036657751,
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-  "h": 1000,
-  "nm": "Rounded Corners",
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-  "assets": [],
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-          "nm": "Path 2",
-          "mn": "ADBE Vector Shape - Group",
-          "hd": false
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-        {
-          "ty": "rd",
-          "nm": "Round Corners 1",
-          "r": {
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-          "mn": "ADBE Vector Filter - RC",
-          "hd": false
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-          "r": 1,
-          "bm": 0,
-          "nm": "Fill 1",
-          "mn": "ADBE Vector Graphic - Fill",
-          "hd": false
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-      ],
-      "ip": 0,
-      "op": 900.000036657751,
-      "st": 0,
-      "bm": 0
-    }
-  ],
-  "markers": []
-}

example/assets/Tests/StaticShadow.json

@@ -1 +0,0 @@
-{"v":"5.7.7","fr":29.9700012207031,"ip":0,"op":181.000007372281,"w":375,"h":375,"nm":"Square","ddd":0,"assets":[],"layers":[{"ddd":0,"ind":1,"ty":4,"nm":"Shape Layer 1","sr":1,"ks":{"o":{"a":0,"k":100,"ix":11},"r":{"a":0,"k":0,"ix":10},"p":{"a":0,"k":[187.5,187.5,0],"ix":2,"l":2},"a":{"a":0,"k":[0,0,0],"ix":1,"l":2},"s":{"a":0,"k":[100,100,100],"ix":6,"l":2}},"ao":0,"ef":[{"ty":25,"nm":"Drop Shadow2","np":8,"mn":"ADBE Drop Shadow","ix":1,"en":1,"ef":[{"ty":2,"nm":"Shadow Color","mn":"ADBE Drop Shadow-0001","ix":1,"v":{"a":0,"k":[0,1,0.609851837158,1],"ix":1}},{"ty":0,"nm":"Opacity","mn":"ADBE Drop Shadow-0002","ix":2,"v":{"a":0,"k":127.5,"ix":2}},{"ty":0,"nm":"Direction","mn":"ADBE Drop Shadow-0003","ix":3,"v":{"a":0,"k":0,"ix":3}},{"ty":0,"nm":"Distance","mn":"ADBE Drop Shadow-0004","ix":4,"v":{"a":0,"k":10,"ix":4}},{"ty":0,"nm":"Softness","mn":"ADBE Drop Shadow-0005","ix":5,"v":{"a":0,"k":20,"ix":5}},{"ty":7,"nm":"Shadow Only","mn":"ADBE Drop Shadow-0006","ix":6,"v":{"a":0,"k":0,"ix":6}}]}],"shapes":[{"ty":"gr","it":[{"ty":"rc","d":1,"s":{"a":0,"k":[217.641,217.641],"ix":2},"p":{"a":0,"k":[0,0],"ix":3},"r":{"a":0,"k":0,"ix":4},"nm":"Rectangle Path 1","mn":"ADBE Vector Shape - Rect","hd":false},{"ty":"fl","c":{"a":0,"k":[1,0,0,1],"ix":4},"o":{"a":0,"k":100,"ix":5},"r":1,"bm":0,"nm":"Fill 1","mn":"ADBE Vector Graphic - Fill","hd":false},{"ty":"tr","p":{"a":0,"k":[-4.68,-1.68],"ix":2},"a":{"a":0,"k":[0,0],"ix":1},"s":{"a":0,"k":[100,100],"ix":3},"r":{"a":0,"k":0,"ix":6},"o":{"a":0,"k":100,"ix":7},"sk":{"a":0,"k":0,"ix":4},"sa":{"a":0,"k":0,"ix":5},"nm":"Transform"}],"nm":"Rectangle 1","np":2,"cix":2,"bm":0,"ix":1,"mn":"ADBE Vector Group","hd":false}],"ip":0,"op":184.000007494474,"st":0,"bm":0}],"markers":[]}

example/assets/Tests/StrokeBlur.json

@@ -1 +0,0 @@
-{"v":"5.7.7","fr":29.9700012207031,"ip":0,"op":121.000004928431,"w":400,"h":400,"nm":"Comp 1","ddd":0,"assets":[],"layers":[{"ddd":0,"ind":1,"ty":4,"nm":"Shape Layer 1","sr":1,"ks":{"o":{"a":0,"k":100,"ix":11},"r":{"a":0,"k":0,"ix":10},"p":{"a":0,"k":[200,200,0],"ix":2,"l":2},"a":{"a":0,"k":[0,0,0],"ix":1,"l":2},"s":{"a":0,"k":[100,100,100],"ix":6,"l":2}},"ao":0,"ef":[{"ty":29,"nm":"Gaussian Blur2","np":5,"mn":"ADBE Gaussian Blur 2","ix":1,"en":1,"ef":[{"ty":0,"nm":"Blurriness","mn":"ADBE Gaussian Blur 2-0001","ix":1,"v":{"a":1,"k":[{"i":{"x":[0.833],"y":[0.833]},"o":{"x":[0.167],"y":[0.167]},"t":0,"s":[0]},{"t":24.00000097754,"s":[120.7]}],"ix":1}},{"ty":7,"nm":"Blur Dimensions","mn":"ADBE Gaussian Blur 2-0002","ix":2,"v":{"a":0,"k":1,"ix":2}},{"ty":7,"nm":"Repeat Edge Pixels","mn":"ADBE Gaussian Blur 2-0003","ix":3,"v":{"a":0,"k":0,"ix":3}}]},{"ty":5,"nm":"Bulge","np":9,"mn":"ADBE Bulge","ix":2,"en":1,"ef":[{"ty":0,"nm":"Horizontal Radius","mn":"ADBE Bulge-0001","ix":1,"v":{"a":0,"k":50,"ix":1}},{"ty":0,"nm":"Vertical Radius","mn":"ADBE Bulge-0002","ix":2,"v":{"a":0,"k":50,"ix":2}},{"ty":3,"nm":"Bulge Center","mn":"ADBE Bulge-0003","ix":3,"v":{"a":0,"k":[200,200],"ix":3}},{"ty":0,"nm":"Bulge Height","mn":"ADBE Bulge-0004","ix":4,"v":{"a":0,"k":1,"ix":4}},{"ty":0,"nm":"Taper Radius","mn":"ADBE Bulge-0005","ix":5,"v":{"a":0,"k":0,"ix":5}},{"ty":7,"nm":"Antialiasing (Best Qual Only)","mn":"ADBE Bulge-0006","ix":6,"v":{"a":0,"k":1,"ix":6}},{"ty":7,"nm":"Pinning","mn":"ADBE Bulge-0007","ix":7,"v":{"a":0,"k":0,"ix":7}}]}],"shapes":[{"ty":"gr","it":[{"ty":"rc","d":1,"s":{"a":0,"k":[274.975,274.975],"ix":2},"p":{"a":0,"k":[0,0],"ix":3},"r":{"a":0,"k":0,"ix":4},"nm":"Rectangle Path 1","mn":"ADBE Vector Shape - Rect","hd":false},{"ty":"tr","p":{"a":0,"k":[-4.513,7.487],"ix":2},"a":{"a":0,"k":[0,0],"ix":1},"s":{"a":0,"k":[100,100],"ix":3},"r":{"a":0,"k":0,"ix":6},"o":{"a":0,"k":100,"ix":7},"sk":{"a":0,"k":0,"ix":4},"sa":{"a":0,"k":0,"ix":5},"nm":"Transform"}],"nm":"Rectangle 1","np":1,"cix":2,"bm":0,"ix":1,"mn":"ADBE Vector Group","hd":false},{"ty":"st","c":{"a":0,"k":[1,0,0,1],"ix":3},"o":{"a":0,"k":100,"ix":4},"w":{"a":0,"k":46,"ix":5},"lc":1,"lj":1,"ml":4,"bm":0,"nm":"Stroke 1","mn":"ADBE Vector Graphic - Stroke","hd":false}],"ip":0,"op":121.000004928431,"st":0,"bm":0}],"markers":[]}

example/assets/Tests/TimeStretchPrecomp2.json

@@ -1,497 +0,0 @@
-{
-    "v": "5.7.3",
-    "fr": 25,
-    "ip": 0,
-    "op": 200,
-    "w": 720,
-    "h": 720,
-    "nm": "2222",
-    "ddd": 0,
-    "assets": [
-        {
-            "id": "comp_0",
-            "layers": [
-                {
-                    "ddd": 0,
-                    "ind": 1,
-                    "ty": 4,
-                    "nm": "形状图层 14",
-                    "sr": 2,
-                    "ks": {
-                        "o": {
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-                            "k": 100,
-                            "ix": 11
-                        },
-                        "r": {
-                            "a": 0,
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-                                100,
-                                100
-                            ],
-                            "ix": 6
-                        }
-                    },
-                    "ao": 0,
-                    "shapes": [
-                        {
-                            "ty": "gr",
-                            "it": [
-                                {
-                                    "ind": 0,
-                                    "ty": "sh",
-                                    "ix": 1,
-                                    "ks": {
-                                        "a": 1,
-                                        "k": [
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-                                                },
-                                                "o": {
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-                                                    "y": 0
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-                                                "s": [
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-                                                                -640
-                                                            ],
-                                                            [
-                                                                -51.35,
-                                                                640
-                                                            ],
-                                                            [
-                                                                -51.4,
-                                                                640
-                                                            ],
-                                                            [
-                                                                -51.4,
-                                                                -640
-                                                            ]
-                                                        ],
-                                                        "c": true
-                                                    }
-                                                ]
-                                            },
-                                            {
-                                                "i": {
-                                                    "x": 0.667,
-                                                    "y": 1
-                                                },
-                                                "o": {
-                                                    "x": 0.333,
-                                                    "y": 0
-                                                },
-                                                "t": 34,
-                                                "s": [
-                                                    {
-                                                        "i": [
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-                                                            [
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-                                                        "v": [
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-                                                                51.4,
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-                                                            [
-                                                                51.4,
-                                                                640
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-                                                            [
-                                                                -51.4,
-                                                                640
-                                                            ],
-                                                            [
-                                                                -51.4,
-                                                                -640
-                                                            ]
-                                                        ],
-                                                        "c": true
-                                                    }
-                                                ]
-                                            },
-                                            {
-                                                "i": {
-                                                    "x": 0.833,
-                                                    "y": 1
-                                                },
-                                                "o": {
-                                                    "x": 0.333,
-                                                    "y": 0
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-                                                "t": 62,
-                                                "s": [
-                                                    {
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-                                                                51.4,
-                                                                640
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-                                                                -51.4,
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-                                                        ],
-                                                        "c": true
-                                                    }
-                                                ]
-                                            },
-                                            {
-                                                "t": 100,
-                                                "s": [
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-                                                                -640
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-                                                            [
-                                                                51.4,
-                                                                640
-                                                            ],
-                                                            [
-                                                                51.1,
-                                                                640
-                                                            ],
-                                                            [
-                                                                51.1,
-                                                                -640
-                                                            ]
-                                                        ],
-                                                        "c": true
-                                                    }
-                                                ]
-                                            }
-                                        ],
-                                        "ix": 2
-                                    },
-                                    "nm": "路径 1",
-                                    "mn": "ADBE Vector Shape - Group",
-                                    "hd": false
-                                },
-                                {
-                                    "ty": "fl",
-                                    "c": {
-                                        "a": 0,
-                                        "k": [
-                                            0.96862745285,
-                                            0.960784316063,
-                                            0.172549024224,
-                                            1
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-                                        "ix": 4
-                                    },
-                                    "o": {
-                                        "a": 0,
-                                        "k": 100,
-                                        "ix": 5
-                                    },
-                                    "r": 1,
-                                    "bm": 0,
-                                    "nm": "EditableColor#2",
-                                    "mn": "ADBE Vector Graphic - Fill",
-                                    "hd": false,
-                                    "ln": "2"
-                                },
-                                {
-                                    "ty": "tr",
-                                    "p": {
-                                        "a": 0,
-                                        "k": [
-                                            -310,
-                                            42
-                                        ],
-                                        "ix": 2
-                                    },
-                                    "a": {
-                                        "a": 0,
-                                        "k": [
-                                            0,
-                                            0
-                                        ],
-                                        "ix": 1
-                                    },
-                                    "s": {
-                                        "a": 0,
-                                        "k": [
-                                            100,
-                                            100
-                                        ],
-                                        "ix": 3
-                                    },
-                                    "r": {
-                                        "a": 0,
-                                        "k": 0,
-                                        "ix": 6
-                                    },
-                                    "o": {
-                                        "a": 0,
-                                        "k": 100,
-                                        "ix": 7
-                                    },
-                                    "sk": {
-                                        "a": 0,
-                                        "k": 0,
-                                        "ix": 4
-                                    },
-                                    "sa": {
-                                        "a": 0,
-                                        "k": 0,
-                                        "ix": 5
-                                    },
-                                    "nm": "变换"
-                                }
-                            ],
-                            "nm": "矩形 1",
-                            "np": 2,
-                            "cix": 2,
-                            "bm": 0,
-                            "ix": 1,
-                            "mn": "ADBE Vector Group",
-                            "hd": false
-                        }
-                    ],
-                    "ip": 0,
-                    "op": 100,
-                    "st": 0,
-                    "bm": 0
-                }
-            ]
-        }
-    ],
-    "layers": [
-        {
-            "ddd": 0,
-            "ind": 1,
-            "ty": 0,
-            "nm": "测试2",
-            "refId": "comp_0",
-            "sr": 2,
-            "ks": {
-                "o": {
-                    "a": 0,
-                    "k": 100,
-                    "ix": 11
-                },
-                "r": {
-                    "a": 0,
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-                    "ix": 10
-                },
-                "p": {
-                    "a": 0,
-                    "k": [
-                        360,
-                        360,
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-                },
-                "a": {
-                    "a": 0,
-                    "k": [
-                        360,
-                        360,
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-                    "ix": 1
-                },
-                "s": {
-                    "a": 0,
-                    "k": [
-                        100,
-                        100,
-                        100
-                    ],
-                    "ix": 6
-                }
-            },
-            "ao": 0,
-            "w": 720,
-            "h": 720,
-            "ip": 0,
-            "op": 200,
-            "st": 0,
-            "bm": 0
-        }
-    ],
-    "markers": []
-}

example/assets/Tests/rect2.json

@@ -1 +0,0 @@
-{"assets":[],"layers":[{"ddd":0,"ind":0,"ty":4,"nm":"Shape Layer 1","parent":1,"ks":{"o":{"k":100},"r":{"k":0},"p":{"k":[100,100,0]},"a":{"k":[0,0,0]},"s":{"k":[100,100,100]}},"ao":0,"shapes":[{"ty":"gr","it":[{"ty":"rc","d":1,"s":{"k":[{"i":{"x":[0.667,0.667],"y":[1,1]},"o":{"x":[0.333,0.333],"y":[0,0]},"n":["0p667_1_0p333_0","0p667_1_0p333_0"],"t":0,"s":[85.714,85.714],"e":[52.714,52.714]},{"i":{"x":[0.667,0.667],"y":[1,1]},"o":{"x":[0.333,0.333],"y":[0,0]},"n":["0p667_1_0p333_0","0p667_1_0p333_0"],"t":16,"s":[52.714,52.714],"e":[85.714,85.714]},{"t":35}]},"p":{"k":[0,0]},"r":{"k":0},"nm":"Rectangle Path 1","mn":"ADBE Vector Shape - Rect"},{"ty":"st","c":{"k":[0,0,0,1]},"o":{"k":100},"w":{"k":14},"lc":1,"lj":1,"ml":4,"nm":"Stroke 1","mn":"ADBE Vector Graphic - Stroke"},{"ty":"tr","p":{"k":[2.198,1.099],"ix":2},"a":{"k":[0,0],"ix":1},"s":{"k":[100,100],"ix":3},"r":{"k":0,"ix":6},"o":{"k":100,"ix":7},"sk":{"k":0,"ix":4},"sa":{"k":0,"ix":5},"nm":"Transform"}],"nm":"Rectangle 1","np":2,"mn":"ADBE Vector Group"}],"ip":0,"op":36,"st":0,"bm":0,"sr":1},{"ddd":0,"ind":1,"ty":1,"nm":"White Solid 1","ks":{"o":{"k":100},"r":{"k":0},"p":{"k":[45,45,0]},"a":{"k":[100,100,0]},"s":{"k":[45,45,100]}},"ao":0,"sw":200,"sh":200,"sc":"#ffffff","ip":0,"op":36,"st":0,"bm":0,"sr":1}],"v":"4.5.4","ddd":0,"ip":0,"op":36,"fr":60,"w":90,"h":90}

example/ios/Runner.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist

@@ -1,8 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
-<plist version="1.0">
-<dict>
-	<key>IDEDidComputeMac32BitWarning</key>
-	<true/>
-</dict>
-</plist>

example/ios/Runner.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings

@@ -1,8 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
-<plist version="1.0">
-<dict>
-	<key>PreviewsEnabled</key>
-	<false/>
-</dict>
-</plist>

example/ios/Runner.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings

@@ -1,8 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
-<plist version="1.0">
-<dict>
-	<key>PreviewsEnabled</key>
-	<false/>
-</dict>
-</plist>

example/lib/examples/alert_dialog.dart

@@ -2,11 +2,9 @@ import 'package:flutter/material.dart';
 import 'package:flutter/scheduler.dart';
 import 'package:lottie/lottie.dart';
 
-void main() => runApp(const App());
+void main() => runApp(App());
 
 class App extends StatelessWidget {
-  const App({Key? key}) : super(key: key);
-
   @override
   Widget build(BuildContext context) {
     return MaterialApp(
@@ -25,7 +23,7 @@ class __PageState extends State<_Page> {
   void initState() {
     super.initState();
 
-    SchedulerBinding.instance.addPostFrameCallback((_) => _showLoader());
+    SchedulerBinding.instance!.addPostFrameCallback((_) => _showLoader());
   }
 
   void _showLoader() {
@@ -44,6 +42,6 @@ class __PageState extends State<_Page> {
 
   @override
   Widget build(BuildContext context) {
-    return const Center();
+    return Center();
   }
 }

example/lib/examples/animate_no_repeat.dart

@@ -2,7 +2,7 @@ import 'package:flutter/material.dart';
 import 'package:lottie/lottie.dart';
 
 void main() async {
-  runApp(const App());
+  runApp(App());
 }
 
 class App extends StatelessWidget {

example/lib/examples/animation_controller.dart

@@ -1,13 +1,11 @@
 import 'package:flutter/material.dart';
 import 'package:lottie/lottie.dart';
 
-void main() => runApp(const MyApp());
+void main() => runApp(MyApp());
 
 class MyApp extends StatefulWidget {
-  const MyApp({Key? key}) : super(key: key);
-
   @override
-  State<MyApp> createState() => _MyAppState();
+  _MyAppState createState() => _MyAppState();
 }
 
 class _MyAppState extends State<MyApp> with TickerProviderStateMixin {

example/lib/examples/animation_full_control.dart

@@ -9,13 +9,11 @@ import 'package:lottie/lottie.dart';
 /// This works by creating an AnimationController instance and passing it
 /// to the Lottie widget.
 /// The AnimationController class has a rich API to run the animation in various ways.
-void main() => runApp(const MyApp());
+void main() => runApp(MyApp());
 
 class MyApp extends StatefulWidget {
-  const MyApp({Key? key}) : super(key: key);
-
   @override
-  State<MyApp> createState() => _MyAppState();
+  _MyAppState createState() => _MyAppState();
 }
 
 class _MyAppState extends State<MyApp> with TickerProviderStateMixin {
@@ -45,7 +43,7 @@ class _MyAppState extends State<MyApp> with TickerProviderStateMixin {
     return MaterialApp(
       home: Scaffold(
         appBar: AppBar(
-          title: const Text('Animation control'),
+          title: Text('Animation control'),
         ),
         body: Column(
           children: <Widget>[
@@ -60,27 +58,27 @@ class _MyAppState extends State<MyApp> with TickerProviderStateMixin {
                 });
               },
             ),
-            Text(_controller.value.toStringAsFixed(2)),
+            Text('${_controller.value.toStringAsFixed(2)}'),
             Row(
               mainAxisAlignment: MainAxisAlignment.center,
               children: [
                 // Play backward
                 IconButton(
-                  icon: const Icon(Icons.arrow_left),
+                  icon: Icon(Icons.arrow_left),
                   onPressed: () {
                     _controller.reverse();
                   },
                 ),
                 // Pause
                 IconButton(
-                  icon: const Icon(Icons.pause),
+                  icon: Icon(Icons.pause),
                   onPressed: () {
                     _controller.stop();
                   },
                 ),
                 // Play forward
                 IconButton(
-                  icon: const Icon(Icons.arrow_right),
+                  icon: Icon(Icons.arrow_right),
                   onPressed: () {
                     _controller.forward();
                   },
@@ -101,7 +99,7 @@ class _MyAppState extends State<MyApp> with TickerProviderStateMixin {
                   period: _controller.duration! * (stop - start),
                 );
               },
-              child: const Text('Loop between frames'),
+              child: Text('Loop between frames'),
             ),
           ],
         ),

example/lib/examples/blur.dart

@@ -1,30 +0,0 @@
-import 'package:flutter/material.dart';
-import 'package:lottie/lottie.dart';
-
-void main() => runApp(const MyApp());
-
-class MyApp extends StatelessWidget {
-  const MyApp({Key? key}) : super(key: key);
-
-  @override
-  Widget build(BuildContext context) {
-    return MaterialApp(
-      home: Scaffold(
-        body: ListView(
-          children: [
-            Lottie.asset(
-              'assets/AndroidWave.json',
-              height: 300,
-              delegates: LottieDelegates(values: [
-                ValueDelegate.blurRadius(
-                  ['**'],
-                  value: 20,
-                ),
-              ]),
-            ),
-          ],
-        ),
-      ),
-    );
-  }
-}

example/lib/examples/custom_draw.dart

@@ -1,15 +1,14 @@
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
+import 'package:flutter/widgets.dart';
 import 'package:lottie/lottie.dart';
 
-void main() => runApp(const MyApp());
+void main() => runApp(MyApp());
 
 class MyApp extends StatelessWidget {
-  const MyApp({Key? key}) : super(key: key);
-
   @override
   Widget build(BuildContext context) {
-    return const MaterialApp(
+    return MaterialApp(
       home: Scaffold(
         body: MyWidget(),
       ),
@@ -18,10 +17,8 @@ class MyApp extends StatelessWidget {
 }
 
 class MyWidget extends StatefulWidget {
-  const MyWidget({Key? key}) : super(key: key);
-
   @override
-  State<MyWidget> createState() => _MyWidgetState();
+  _MyWidgetState createState() => _MyWidgetState();
 }
 
 class _MyWidgetState extends State<MyWidget> {
@@ -49,7 +46,7 @@ class _MyWidgetState extends State<MyWidget> {
         if (composition != null) {
           return CustomDrawer(composition);
         } else {
-          return const Center(child: CircularProgressIndicator());
+          return Center(child: CircularProgressIndicator());
         }
       },
     );
@@ -66,7 +63,7 @@ class CustomDrawer extends StatelessWidget {
   Widget build(BuildContext context) {
     return CustomPaint(
       painter: _Painter(composition),
-      size: const Size(400, 400),
+      size: Size(400, 400),
     );
   }
 }

example/lib/examples/custom_load.dart

@@ -1,15 +1,14 @@
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
+import 'package:flutter/widgets.dart';
 import 'package:lottie/lottie.dart';
 
-void main() => runApp(const MyApp());
+void main() => runApp(MyApp());
 
 class MyApp extends StatelessWidget {
-  const MyApp({Key? key}) : super(key: key);
-
   @override
   Widget build(BuildContext context) {
-    return const MaterialApp(
+    return MaterialApp(
       home: Scaffold(
         body: MyWidget(),
       ),
@@ -19,10 +18,8 @@ class MyApp extends StatelessWidget {
 
 //--- example
 class MyWidget extends StatefulWidget {
-  const MyWidget({Key? key}) : super(key: key);
-
   @override
-  State<MyWidget> createState() => _MyWidgetState();
+  _MyWidgetState createState() => _MyWidgetState();
 }
 
 class _MyWidgetState extends State<MyWidget> {
@@ -49,7 +46,7 @@ class _MyWidgetState extends State<MyWidget> {
         if (composition != null) {
           return Lottie(composition: composition);
         } else {
-          return const Center(child: CircularProgressIndicator());
+          return Center(child: CircularProgressIndicator());
         }
       },
     );

example/lib/examples/drop_shadow.dart

@@ -1,35 +0,0 @@
-import 'package:flutter/material.dart';
-import 'package:lottie/lottie.dart';
-
-void main() => runApp(const MyApp());
-
-class MyApp extends StatelessWidget {
-  const MyApp({Key? key}) : super(key: key);
-
-  @override
-  Widget build(BuildContext context) {
-    return MaterialApp(
-      home: Scaffold(
-        body: ListView(
-          children: [
-            Lottie.asset(
-              'assets/Tests/Fill.json',
-              height: 300,
-              delegates: LottieDelegates(values: [
-                ValueDelegate.dropShadow(
-                  ['**'],
-                  value: const DropShadow(
-                    color: Colors.blue,
-                    direction: 140,
-                    distance: 60,
-                    radius: 10,
-                  ),
-                ),
-              ]),
-            ),
-          ],
-        ),
-      ),
-    );
-  }
-}

example/lib/examples/dynamic_properties.dart

@@ -1,16 +1,17 @@
+import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_colorpicker/flutter_colorpicker.dart';
 import 'package:lottie/lottie.dart';
 
 void main() async {
-  runApp(const App());
+  runApp(App());
 }
 
 class App extends StatefulWidget {
   const App({Key? key}) : super(key: key);
 
   @override
-  State<App> createState() => _AppState();
+  _AppState createState() => _AppState();
 }
 
 class _AppState extends State<App> with TickerProviderStateMixin {
@@ -32,7 +33,7 @@ class _AppState extends State<App> with TickerProviderStateMixin {
       home: Scaffold(
         backgroundColor: Colors.white,
         appBar: AppBar(
-          title: const Text('Dynamic properties'),
+          title: Text('Dynamic properties'),
         ),
         body: ListView(
           children: <Widget>[
@@ -62,7 +63,7 @@ class _AppState extends State<App> with TickerProviderStateMixin {
               },
             ),
             Center(
-              child: SizedBox(
+              child: Container(
                 width: 500,
                 child: ColorPicker(
                   pickerColor: _color,
@@ -71,7 +72,7 @@ class _AppState extends State<App> with TickerProviderStateMixin {
                       _color = newColor;
                     });
                   },
-                  labelTypes: const [],
+                  showLabel: false,
                   enableAlpha: false,
                   pickerAreaHeightPercent: 0.8,
                 ),

example/lib/examples/dynamic_text.dart

@@ -3,14 +3,14 @@ import 'package:flutter/material.dart';
 import 'package:lottie/lottie.dart';
 
 void main() async {
-  runApp(const App());
+  runApp(App());
 }
 
 class App extends StatefulWidget {
   const App({Key? key}) : super(key: key);
 
   @override
-  State<App> createState() => _AppState();
+  _AppState createState() => _AppState();
 }
 
 class _AppState extends State<App> with TickerProviderStateMixin {
@@ -36,7 +36,7 @@ class _AppState extends State<App> with TickerProviderStateMixin {
       home: Scaffold(
         backgroundColor: Colors.white,
         appBar: AppBar(
-          title: const Text('Dynamic text'),
+          title: Text('Dynamic text'),
         ),
         body: Center(
           child: Column(
@@ -54,7 +54,7 @@ class _AppState extends State<App> with TickerProviderStateMixin {
                   ),
                 ),
               ),
-              SizedBox(
+              Container(
                 width: 300,
                 child: CupertinoTextField(
                   controller: _textController,

example/lib/examples/error_builder.dart

@@ -1,31 +0,0 @@
-import 'package:flutter/material.dart';
-import 'package:lottie/lottie.dart';
-
-void main() => runApp(const MyApp());
-
-class MyApp extends StatelessWidget {
-  const MyApp({Key? key}) : super(key: key);
-
-  @override
-  Widget build(BuildContext context) {
-    return MaterialApp(
-      home: Scaffold(
-        body: ListView(
-          children: [_Animation()],
-        ),
-      ),
-    );
-  }
-}
-
-class _Animation extends StatelessWidget {
-  @override
-  Widget build(BuildContext context) {
-    return Lottie.network(
-      'https://example.does.not.exist/lottie.json',
-      errorBuilder: (context, exception, stackTrace) {
-        return const Text('😢');
-      },
-    );
-  }
-}

example/lib/examples/examples.dart

@@ -1,11 +1,9 @@
 import 'package:flutter/material.dart';
 import 'package:lottie/lottie.dart';
 
-void main() => runApp(const MyApp());
+void main() => runApp(MyApp());
 
 class MyApp extends StatelessWidget {
-  const MyApp({Key? key}) : super(key: key);
-
   @override
   Widget build(BuildContext context) {
     return MaterialApp(

example/lib/examples/hide_after_complete.dart

@@ -2,14 +2,14 @@ import 'package:flutter/material.dart';
 import 'package:lottie/lottie.dart';
 
 void main() async {
-  runApp(const App());
+  runApp(App());
 }
 
 class App extends StatefulWidget {
   const App({Key? key}) : super(key: key);
 
   @override
-  State<App> createState() => _AppState();
+  _AppState createState() => _AppState();
 }
 
 class _AppState extends State<App> with TickerProviderStateMixin {

example/lib/examples/markers.dart

@@ -5,14 +5,14 @@ import 'package:lottie/lottie.dart';
 /// It is based on this article for lottie-ios:
 /// https://medium.com/swlh/controlling-lottie-animation-with-markers-5e9035d94623
 void main() async {
-  runApp(const App());
+  runApp(App());
 }
 
 class App extends StatefulWidget {
   const App({Key? key}) : super(key: key);
 
   @override
-  State<App> createState() => _AppState();
+  _AppState createState() => _AppState();
 }
 
 class _AppState extends State<App> with TickerProviderStateMixin {
@@ -30,13 +30,13 @@ class _AppState extends State<App> with TickerProviderStateMixin {
       theme: ThemeData.dark(),
       home: Scaffold(
         appBar: AppBar(
-          title: const Text('Markers'),
+          title: Text('Markers'),
         ),
         body: FutureBuilder<LottieComposition>(
           future: _composition,
           builder: (context, snapshot) {
             if (snapshot.hasError) return ErrorWidget(snapshot.error!);
-            if (!snapshot.hasData) return const CircularProgressIndicator();
+            if (!snapshot.hasData) return CircularProgressIndicator();
             return _LottieDetails(snapshot.data!);
           },
         ),
@@ -80,24 +80,24 @@ class _LottieDetailsState extends State<_LottieDetails>
           height: 150,
         ),
         ListTile(
-          title: const Text('Composition start frame'),
+          title: Text('Composition start frame'),
           trailing: Text(widget.composition.startFrame.toStringAsFixed(1)),
         ),
         ListTile(
-          title: const Text('Composition duration'),
+          title: Text('Composition duration'),
           trailing: Text(widget.composition.durationFrames.toStringAsFixed(1)),
         ),
         ElevatedButton(
           onPressed: () => _playBetween('touchDownEnd', 'touchUpCancel'),
-          child: const Text('touchDownEnd - touchUpCancel'),
+          child: Text('touchDownEnd - touchUpCancel'),
         ),
         ElevatedButton(
           onPressed: () => _playBetween('touchDownStart', 'touchDownEnd'),
-          child: const Text('touchDownStart - touchDownEnd'),
+          child: Text('touchDownStart - touchDownEnd'),
         ),
         ElevatedButton(
           onPressed: () => _playBetween('touchDownEnd', 'touchUpEnd'),
-          child: const Text('touchDownEnd - touchUpEnd'),
+          child: Text('touchDownEnd - touchUpEnd'),
         ),
         for (var marker in widget.composition.markers)
           ListTile(

example/lib/examples/repeat.dart

@@ -1,13 +1,11 @@
 import 'package:flutter/material.dart';
 import 'package:lottie/lottie.dart';
 
-void main() => runApp(const MyApp());
+void main() => runApp(MyApp());
 
 class MyApp extends StatefulWidget {
-  const MyApp({Key? key}) : super(key: key);
-
   @override
-  State<MyApp> createState() => _MyAppState();
+  _MyAppState createState() => _MyAppState();
 }
 
 class _MyAppState extends State<MyApp> with TickerProviderStateMixin {

example/lib/examples/run_once.dart

@@ -8,14 +8,14 @@ void main() async {
     ..level = Level.ALL
     ..onRecord.listen(print);
 
-  runApp(const App());
+  runApp(App());
 }
 
 class App extends StatefulWidget {
   const App({Key? key}) : super(key: key);
 
   @override
-  State<App> createState() => _AppState();
+  _AppState createState() => _AppState();
 }
 
 class _AppState extends State<App> with TickerProviderStateMixin {

example/lib/examples/save_frames.dart

@@ -1,3 +1,5 @@
+//@dart=2.10
+
 import 'dart:io';
 import 'dart:ui';
 import 'package:flutter/material.dart';
@@ -7,17 +9,15 @@ import 'package:path/path.dart' as p;
 import 'package:path_provider/path_provider.dart';
 
 /// This example shows how to save the frame of an animation to files on disk.
-void main() => runApp(const MyApp());
+void main() => runApp(MyApp());
 
 class MyApp extends StatefulWidget {
-  const MyApp({Key? key}) : super(key: key);
-
   @override
-  State<MyApp> createState() => _MyAppState();
+  _MyAppState createState() => _MyAppState();
 }
 
 class _MyAppState extends State<MyApp> {
-  List<File>? _frames;
+  List<File> _frames;
 
   @override
   Widget build(BuildContext context) {
@@ -30,13 +30,13 @@ class _MyAppState extends State<MyApp> {
             children: [
               ElevatedButton(
                 onPressed: _export,
-                child: const Text('Export all frames'),
+                child: Text('Export all frames'),
               ),
               if (_frames != null)
                 Expanded(
                   child: GridView.count(
                     crossAxisCount: 10,
-                    children: [..._frames!.map((f) => Image.file(f))],
+                    children: [..._frames.map((f) => Image.file(f))],
                   ),
                 )
             ],
@@ -53,7 +53,7 @@ class _MyAppState extends State<MyApp> {
     var frames = await exportFrames(
         composition, await _createTempDirectory('export-lottie'),
         progresses: [for (var i = 0.0; i <= 1; i += 0.1) i],
-        size: const Size(50, 50));
+        size: Size(50, 50));
 
     setState(() {
       _frames = frames;
@@ -62,7 +62,7 @@ class _MyAppState extends State<MyApp> {
 }
 
 Future<List<File>> exportFrames(LottieComposition composition, String directory,
-    {required Size size, required List<double> progresses}) async {
+    {@required Size size, @required List<double> progresses}) async {
   var drawable = LottieDrawable(composition);
 
   var frames = <File>[];
@@ -89,7 +89,7 @@ Future<ByteData> _toByteData(LottieDrawable drawable, Size size) async {
 
   var picture = pictureRecorder.endRecording();
   var image = await picture.toImage(size.width.toInt(), size.height.toInt());
-  return (await image.toByteData(format: ImageByteFormat.png))!;
+  return await image.toByteData(format: ImageByteFormat.png);
 }
 
 Future<String> _createTempDirectory(String folderName) async {

example/lib/examples/simple_dynamic_properties.dart

@@ -1,11 +1,9 @@
 import 'package:flutter/material.dart';
 import 'package:lottie/lottie.dart';
 
-void main() => runApp(const MyApp());
+void main() => runApp(MyApp());
 
 class MyApp extends StatelessWidget {
-  const MyApp({Key? key}) : super(key: key);
-
   @override
   Widget build(BuildContext context) {
     return MaterialApp(
@@ -37,7 +35,7 @@ class _Animation extends StatelessWidget {
           ),
           ValueDelegate.position(
             const ['Shape Layer 1', 'Rectangle', '**'],
-            relative: const Offset(100, 200),
+            relative: Offset(100, 200),
           ),
         ],
       ),

example/lib/main.dart

@@ -1,11 +1,9 @@
 import 'package:flutter/material.dart';
 import 'package:lottie/lottie.dart';
 
-void main() => runApp(const MyApp());
+void main() => runApp(MyApp());
 
 class MyApp extends StatelessWidget {
-  const MyApp({Key? key}) : super(key: key);
-
   @override
   Widget build(BuildContext context) {
     return MaterialApp(

example/lib/main_app.dart

@@ -1,34 +1,31 @@
+import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 import 'package:logging/logging.dart';
 import 'package:lottie/lottie.dart';
 import 'src/all_files.g.dart';
 
-final _logger = Logger('main_app');
-
 void main() {
   Logger.root
     ..level = Level.ALL
     ..onRecord.listen(print);
   Lottie.traceEnabled = true;
-  runApp(const App());
+  runApp(App());
 }
 
 class App extends StatelessWidget {
-  const App({Key? key}) : super(key: key);
-
   @override
   Widget build(BuildContext context) {
     return MaterialApp(
       //showPerformanceOverlay: true,
       home: Scaffold(
         appBar: AppBar(
-          title: const Text('Lottie Flutter'),
+          title: Text('Lottie Flutter'),
         ),
         body: Scrollbar(
           child: GridView.builder(
             itemCount: files.length,
-            gridDelegate: const SliverGridDelegateWithFixedCrossAxisCount(
-                crossAxisCount: 4),
+            gridDelegate:
+                SliverGridDelegateWithFixedCrossAxisCount(crossAxisCount: 4),
             itemBuilder: (context, index) {
               var assetName = files[index];
               return GestureDetector(
@@ -41,7 +38,6 @@ class App extends StatelessWidget {
                 child: _Item(
                   child: Lottie.asset(
                     assetName,
-                    onWarning: (w) => _logger.info('$assetName - $w'),
                     frameBuilder: (context, child, composition) {
                       return AnimatedOpacity(
                         opacity: composition == null ? 0 : 1,
@@ -73,11 +69,11 @@ class _Item extends StatelessWidget {
       child: Container(
         decoration: BoxDecoration(
             color: Colors.white,
-            borderRadius: const BorderRadius.all(Radius.circular(10)),
+            borderRadius: BorderRadius.all(Radius.circular(10)),
             boxShadow: [
               BoxShadow(
                   color: Colors.black.withOpacity(0.1),
-                  offset: const Offset(2, 2),
+                  offset: Offset(2, 2),
                   blurRadius: 5)
             ]),
         child: child,
@@ -92,7 +88,7 @@ class Detail extends StatefulWidget {
   const Detail(this.assetName, {Key? key}) : super(key: key);
 
   @override
-  State<Detail> createState() => _DetailState();
+  _DetailState createState() => _DetailState();
 }
 
 class _DetailState extends State<Detail> with TickerProviderStateMixin {
@@ -108,7 +104,7 @@ class _DetailState extends State<Detail> with TickerProviderStateMixin {
   Widget build(BuildContext context) {
     return Scaffold(
       appBar: AppBar(
-        title: Text(widget.assetName),
+        title: Text('${widget.assetName}'),
       ),
       body: SingleChildScrollView(
         child: Column(

example/lib/sizing_example.dart

@@ -20,7 +20,7 @@ class App extends StatelessWidget {
     return MaterialApp(
       home: Scaffold(
         appBar: AppBar(
-          title: const Text(''),
+          title: Text(''),
         ),
         body: SingleChildScrollView(
           child: Center(

example/lib/tests/airbnb.dart

@@ -2,7 +2,7 @@ import 'package:flutter/material.dart';
 import 'package:lottie/lottie.dart';
 
 void main() async {
-  runApp(const App());
+  runApp(App());
 }
 
 class App extends StatelessWidget {
@@ -13,7 +13,7 @@ class App extends StatelessWidget {
     return MaterialApp(
       home: Scaffold(
         appBar: AppBar(
-          title: const Text(''),
+          title: Text(''),
         ),
         body: SingleChildScrollView(
           child: Center(

example/lib/tests/we_accept.dart

@@ -2,7 +2,7 @@ import 'package:flutter/material.dart';
 import 'package:lottie/lottie.dart';
 
 void main() async {
-  runApp(const App());
+  runApp(App());
 }
 
 class App extends StatelessWidget {
@@ -13,12 +13,11 @@ class App extends StatelessWidget {
     return MaterialApp(
       home: Scaffold(
         appBar: AppBar(
-          title: const Text(''),
+          title: Text(''),
         ),
         body: GridView(
-          gridDelegate: const SliverGridDelegateWithFixedCrossAxisCount(
-            crossAxisCount: 4,
-          ),
+          gridDelegate:
+              SliverGridDelegateWithFixedCrossAxisCount(crossAxisCount: 4),
           children: [
             Lottie.asset(
               'assets/Tests/WeAccept.json',

example/macos/Podfile

@@ -9,32 +9,74 @@ project 'Runner', {
   'Release' => :release,
 }
 
-def flutter_root
-  generated_xcode_build_settings_path = File.expand_path(File.join('..', 'Flutter', 'ephemeral', 'Flutter-Generated.xcconfig'), __FILE__)
-  unless File.exist?(generated_xcode_build_settings_path)
-    raise "#{generated_xcode_build_settings_path} must exist. If you're running pod install manually, make sure \"flutter pub get\" is executed first"
+def parse_KV_file(file, separator='=')
+  file_abs_path = File.expand_path(file)
+  if !File.exists? file_abs_path
+    return [];
   end
-
-  File.foreach(generated_xcode_build_settings_path) do |line|
-    matches = line.match(/FLUTTER_ROOT\=(.*)/)
-    return matches[1].strip if matches
-  end
-  raise "FLUTTER_ROOT not found in #{generated_xcode_build_settings_path}. Try deleting Flutter-Generated.xcconfig, then run \"flutter pub get\""
+  pods_ary = []
+  skip_line_start_symbols = ["#", "/"]
+  File.foreach(file_abs_path) { |line|
+      next if skip_line_start_symbols.any? { |symbol| line =~ /^\s*#{symbol}/ }
+      plugin = line.split(pattern=separator)
+      if plugin.length == 2
+        podname = plugin[0].strip()
+        path = plugin[1].strip()
+        podpath = File.expand_path("#{path}", file_abs_path)
+        pods_ary.push({:name => podname, :path => podpath});
+      else
+        puts "Invalid plugin specification: #{line}"
+      end
+  }
+  return pods_ary
 end
 
-require File.expand_path(File.join('packages', 'flutter_tools', 'bin', 'podhelper'), flutter_root)
-
-flutter_macos_podfile_setup
+def pubspec_supports_macos(file)
+  file_abs_path = File.expand_path(file)
+  if !File.exists? file_abs_path
+    return false;
+  end
+  File.foreach(file_abs_path) { |line|
+    return true if line =~ /^\s*macos:/
+  }
+  return false
+end
 
 target 'Runner' do
   use_frameworks!
   use_modular_headers!
 
-  flutter_install_all_macos_pods File.dirname(File.realpath(__FILE__))
+  # Prepare symlinks folder. We use symlinks to avoid having Podfile.lock
+  # referring to absolute paths on developers' machines.
+  ephemeral_dir = File.join('Flutter', 'ephemeral')
+  symlink_dir = File.join(ephemeral_dir, '.symlinks')
+  symlink_plugins_dir = File.join(symlink_dir, 'plugins')
+  system("rm -rf #{symlink_dir}")
+  system("mkdir -p #{symlink_plugins_dir}")
+
+  # Flutter Pods
+  generated_xcconfig = parse_KV_file(File.join(ephemeral_dir, 'Flutter-Generated.xcconfig'))
+  if generated_xcconfig.empty?
+    puts "Flutter-Generated.xcconfig must exist. If you're running pod install manually, make sure flutter packages get is executed first."
+  end
+  generated_xcconfig.map { |p|
+    if p[:name] == 'FLUTTER_FRAMEWORK_DIR'
+      symlink = File.join(symlink_dir, 'flutter')
+      File.symlink(File.dirname(p[:path]), symlink)
+      pod 'FlutterMacOS', :path => File.join(symlink, File.basename(p[:path]))
+    end
+  }
+
+  # Plugin Pods
+  plugin_pods = parse_KV_file('../.flutter-plugins')
+  plugin_pods.map { |p|
+    symlink = File.join(symlink_plugins_dir, p[:name])
+    File.symlink(p[:path], symlink)
+    if pubspec_supports_macos(File.join(symlink, 'pubspec.yaml'))
+      pod p[:name], :path => File.join(symlink, 'macos')
+    end
+  }
 end
 
-post_install do |installer|
-  installer.pods_project.targets.each do |target|
-    flutter_additional_macos_build_settings(target)
-  end
-end
+# Prevent Cocoapods from embedding a second Flutter framework and causing an error with the new Xcode build system.
+install! 'cocoapods', :disable_input_output_paths => true

example/macos/Podfile.lock

@@ -1,22 +1,28 @@
 PODS:
-  - FlutterMacOS (1.0.0)
+  - FlutterMacOS (1.22.4)
+  - path_provider (0.0.1)
   - path_provider_macos (0.0.1):
     - FlutterMacOS
 
 DEPENDENCIES:
-  - FlutterMacOS (from `Flutter/ephemeral`)
+  - path_provider (from `Flutter/ephemeral/.symlinks/plugins/path_provider/macos`)
   - path_provider_macos (from `Flutter/ephemeral/.symlinks/plugins/path_provider_macos/macos`)
 
+SPEC REPOS:
+  trunk:
+    - FlutterMacOS
+
 EXTERNAL SOURCES:
-  FlutterMacOS:
-    :path: Flutter/ephemeral
+  path_provider:
+    :path: Flutter/ephemeral/.symlinks/plugins/path_provider/macos
   path_provider_macos:
     :path: Flutter/ephemeral/.symlinks/plugins/path_provider_macos/macos
 
 SPEC CHECKSUMS:
-  FlutterMacOS: 57701585bf7de1b3fc2bb61f6378d73bbdea8424
-  path_provider_macos: 160cab0d5461f0c0e02995469a98f24bdb9a3f1f
+  FlutterMacOS: ac210ef71944b3f04789076d70d4c72c7ec0c619
+  path_provider: e0848572d1d38b9a7dd099e79cf83f5b7e2cde9f
+  path_provider_macos: a0a3fd666cb7cd0448e936fb4abad4052961002b
 
-PODFILE CHECKSUM: 6eac6b3292e5142cfc23bdeb71848a40ec51c14c
+PODFILE CHECKSUM: d8ba9b3e9e93c62c74a660b46c6fcb09f03991a7
 
-COCOAPODS: 1.11.3
+COCOAPODS: 1.10.1

example/macos/Runner.xcodeproj/project.pbxproj

@@ -319,12 +319,9 @@
 			files = (
 			);
 			inputPaths = (
-				"${PODS_ROOT}/Target Support Files/Pods-Runner/Pods-Runner-frameworks.sh",
-				"${BUILT_PRODUCTS_DIR}/path_provider_macos/path_provider_macos.framework",
 			);
 			name = "[CP] Embed Pods Frameworks";
 			outputPaths = (
-				"${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/path_provider_macos.framework",
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 			shellPath = /bin/sh;

example/pubspec.lock

@@ -7,14 +7,14 @@ packages:
       name: archive
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "3.3.1"
+    version: "3.1.2"
   async:
     dependency: transitive
     description:
       name: async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.8.2"
+    version: "2.5.0"
   boolean_selector:
     dependency: transitive
     description:
@@ -28,14 +28,14 @@ packages:
       name: characters
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.2.0"
+    version: "1.1.0"
   charcode:
     dependency: transitive
     description:
       name: charcode
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.3.1"
+    version: "1.2.0"
   clock:
     dependency: transitive
     description:
@@ -49,35 +49,35 @@ packages:
       name: collection
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.16.0"
+    version: "1.15.0"
   crypto:
     dependency: transitive
     description:
       name: crypto
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "3.0.2"
+    version: "3.0.1"
   fake_async:
     dependency: transitive
     description:
       name: fake_async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.3.0"
+    version: "1.2.0"
   ffi:
     dependency: transitive
     description:
       name: ffi
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.1"
+    version: "1.0.0"
   file:
     dependency: transitive
     description:
       name: file
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "6.1.2"
+    version: "6.1.0"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -89,159 +89,124 @@ packages:
       name: flutter_colorpicker
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.3"
-  flutter_lints:
-    dependency: "direct dev"
-    description:
-      name: flutter_lints
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "2.0.1"
+    version: "0.4.0"
   flutter_test:
     dependency: "direct dev"
     description: flutter
     source: sdk
     version: "0.0.0"
-  golden_toolkit:
-    dependency: "direct dev"
-    description:
-      name: golden_toolkit
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.13.0"
   http:
     dependency: "direct main"
     description:
       name: http
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.13.4"
+    version: "0.13.3"
   http_parser:
     dependency: transitive
     description:
       name: http_parser
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "4.0.1"
-  lints:
-    dependency: transitive
-    description:
-      name: lints
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "2.0.0"
+    version: "4.0.0"
   logging:
-    dependency: "direct main"
+    dependency: transitive
     description:
       name: logging
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.2"
+    version: "1.0.1"
   lottie:
     dependency: "direct main"
     description:
       path: ".."
       relative: true
     source: path
-    version: "1.4.2"
+    version: "1.0.1"
   matcher:
     dependency: transitive
     description:
       name: matcher
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.12.11"
-  material_color_utilities:
-    dependency: transitive
-    description:
-      name: material_color_utilities
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.1.4"
+    version: "0.12.10"
   meta:
     dependency: transitive
     description:
       name: meta
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.7.0"
+    version: "1.3.0"
   path:
-    dependency: "direct main"
+    dependency: transitive
     description:
       name: path
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.8.1"
+    version: "1.8.0"
   path_provider:
     dependency: "direct main"
     description:
       name: path_provider
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.11"
-  path_provider_android:
-    dependency: transitive
-    description:
-      name: path_provider_android
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "2.0.16"
-  path_provider_ios:
-    dependency: transitive
-    description:
-      name: path_provider_ios
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "2.0.10"
+    version: "2.0.1"
   path_provider_linux:
     dependency: transitive
     description:
       name: path_provider_linux
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.7"
+    version: "2.0.0"
   path_provider_macos:
     dependency: transitive
     description:
       name: path_provider_macos
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.6"
+    version: "2.0.0"
   path_provider_platform_interface:
     dependency: transitive
     description:
       name: path_provider_platform_interface
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.4"
+    version: "2.0.1"
   path_provider_windows:
     dependency: transitive
     description:
       name: path_provider_windows
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.0"
+    version: "2.0.1"
+  pedantic:
+    dependency: transitive
+    description:
+      name: pedantic
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.11.0"
   platform:
     dependency: transitive
     description:
       name: platform
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "3.1.0"
+    version: "3.0.0"
   plugin_platform_interface:
     dependency: transitive
     description:
       name: plugin_platform_interface
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.2"
+    version: "2.0.0"
   process:
     dependency: transitive
     description:
       name: process
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "4.2.4"
+    version: "4.2.1"
   sky_engine:
     dependency: transitive
     description: flutter
@@ -253,7 +218,7 @@ packages:
       name: source_span
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.8.2"
+    version: "1.8.1"
   stack_trace:
     dependency: transitive
     description:
@@ -288,35 +253,35 @@ packages:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.4.9"
+    version: "0.3.0"
   typed_data:
     dependency: transitive
     description:
       name: typed_data
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.3.1"
+    version: "1.3.0"
   vector_math:
     dependency: transitive
     description:
       name: vector_math
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.2"
+    version: "2.1.0"
   win32:
     dependency: transitive
     description:
       name: win32
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.7.0"
+    version: "2.0.5"
   xdg_directories:
     dependency: transitive
     description:
       name: xdg_directories
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.2.0+1"
+    version: "0.2.0"
 sdks:
-  dart: ">=2.17.0 <3.0.0"
-  flutter: ">=3.0.0"
+  dart: ">=2.12.0 <3.0.0"
+  flutter: ">=1.20.0"

example/pubspec.yaml

@@ -10,17 +10,13 @@ dependencies:
     sdk: flutter
   flutter_colorpicker:
   http:
-  logging:
   lottie:
     path: ../
-  path:
   path_provider:
 
 dev_dependencies:
-  flutter_lints:
   flutter_test:
     sdk: flutter
-  golden_toolkit:
 
 # For information on the generic Dart part of this file, see the
 # following page: https://dart.dev/tools/pub/pubspec

example/test/widget_test.dart

@@ -3,7 +3,7 @@ import 'package:lottie_example/main_app.dart';
 
 void main() {
   testWidgets('Main sample', (tester) async {
-    await tester.pumpWidget(const App());
+    await tester.pumpWidget(App());
     await tester.pump();
   });
 }

example/web/manifest.json

@@ -1,35 +0,0 @@
-{
-    "name": "example",
-    "short_name": "example",
-    "start_url": ".",
-    "display": "standalone",
-    "background_color": "#0175C2",
-    "theme_color": "#0175C2",
-    "description": "A new Flutter project.",
-    "orientation": "portrait-primary",
-    "prefer_related_applications": false,
-    "icons": [
-        {
-            "src": "icons/Icon-192.png",
-            "sizes": "192x192",
-            "type": "image/png"
-        },
-        {
-            "src": "icons/Icon-512.png",
-            "sizes": "512x512",
-            "type": "image/png"
-        },
-        {
-            "src": "icons/Icon-maskable-192.png",
-            "sizes": "192x192",
-            "type": "image/png",
-            "purpose": "maskable"
-        },
-        {
-            "src": "icons/Icon-maskable-512.png",
-            "sizes": "512x512",
-            "type": "image/png",
-            "purpose": "maskable"
-        }
-    ]
-}

lib/lottie.dart

@@ -14,5 +14,4 @@ export 'src/providers/lottie_provider.dart' show LottieProvider;
 export 'src/providers/memory_provider.dart' show MemoryLottie;
 export 'src/providers/network_provider.dart' show NetworkLottie;
 export 'src/raw_lottie.dart' show RawLottie;
-export 'src/value/drop_shadow.dart' show DropShadow;
 export 'src/value_delegate.dart' show ValueDelegate;

lib/src/animation/content/base_stroke_content.dart

@@ -1,13 +1,12 @@
 import 'dart:math';
 import 'dart:ui';
-import 'package:flutter/foundation.dart';
+import 'package:meta/meta.dart';
 import 'package:vector_math/vector_math_64.dart';
 import '../../l.dart';
 import '../../lottie_drawable.dart';
 import '../../lottie_property.dart';
 import '../../model/animatable/animatable_double_value.dart';
 import '../../model/animatable/animatable_integer_value.dart';
-import '../../model/content/drop_shadow_effect.dart';
 import '../../model/content/shape_trim_path.dart';
 import '../../model/key_path.dart';
 import '../../model/layer/base_layer.dart';
@@ -16,10 +15,8 @@ import '../../utils/dash_path.dart';
 import '../../utils/misc.dart';
 import '../../utils/path_factory.dart';
 import '../../utils/utils.dart';
-import '../../value/drop_shadow.dart';
 import '../../value/lottie_value_callback.dart';
 import '../keyframe/base_keyframe_animation.dart';
-import '../keyframe/drop_shadow_keyframe_animation.dart';
 import '../keyframe/value_callback_keyframe_animation.dart';
 import 'content.dart';
 import 'drawing_content.dart';
@@ -42,9 +39,6 @@ abstract class BaseStrokeContent
   final List<BaseKeyframeAnimation<Object, double>> _dashPatternAnimations;
   final BaseKeyframeAnimation<Object, double>? _dashPatternOffsetAnimation;
   BaseKeyframeAnimation<ColorFilter, ColorFilter?>? _colorFilterAnimation;
-  BaseKeyframeAnimation<double, double>? _blurAnimation;
-  double _blurMaskFilterRadius = 0;
-  DropShadowKeyframeAnimation? dropShadowAnimation;
 
   BaseStrokeContent(this.lottieDrawable, this.layer,
       {required StrokeCap cap,
@@ -83,17 +77,6 @@ abstract class BaseStrokeContent
     if (_dashPatternOffsetAnimation != null) {
       _dashPatternOffsetAnimation!.addUpdateListener(onUpdateListener);
     }
-    var blurEffect = layer.blurEffect;
-    if (blurEffect != null) {
-      _blurAnimation = blurEffect.blurriness.createAnimation()
-        ..addUpdateListener(onUpdateListener);
-      layer.addAnimation(_blurAnimation);
-    }
-    var dropShadowEffect = layer.dropShadowEffect;
-    if (dropShadowEffect != null) {
-      dropShadowAnimation = DropShadowKeyframeAnimation(
-          onUpdateListener, layer, dropShadowEffect);
-    }
   }
 
   void onUpdateListener() {
@@ -156,18 +139,6 @@ abstract class BaseStrokeContent
       paint.colorFilter = _colorFilterAnimation!.value;
     }
 
-    var blurAnimation = _blurAnimation;
-    if (blurAnimation != null) {
-      var blurRadius = blurAnimation.value;
-      if (blurRadius == 0) {
-        paint.maskFilter = null;
-      } else if (blurRadius != _blurMaskFilterRadius) {
-        var blur = layer.getBlurMaskFilter(blurRadius);
-        paint.maskFilter = blur;
-      }
-      _blurMaskFilterRadius = blurRadius;
-    }
-
     for (var i = 0; i < _pathGroups.length; i++) {
       var pathGroup = _pathGroups[i];
 
@@ -182,10 +153,6 @@ abstract class BaseStrokeContent
         }
         L.endSection('StrokeContent#buildPath');
         L.beginSection('StrokeContent#drawPath');
-        var dropShadow = dropShadowAnimation;
-        if (dropShadow != null) {
-          dropShadow.draw(canvas, _path);
-        }
         canvas.drawPath(_withDashPattern(_path, parentMatrix), paint);
         L.endSection('StrokeContent#drawPath');
       }
@@ -196,8 +163,7 @@ abstract class BaseStrokeContent
   void _applyTrimPath(
       Canvas canvas, _PathGroup pathGroup, Matrix4 parentMatrix) {
     L.beginSection('StrokeContent#applyTrimPath');
-    var trimPath = pathGroup.trimPath;
-    if (trimPath == null) {
+    if (pathGroup.trimPath == null) {
       L.endSection('StrokeContent#applyTrimPath');
       return;
     }
@@ -206,24 +172,13 @@ abstract class BaseStrokeContent
       _path.addPath(pathGroup.paths[j].getPath(), Offset.zero,
           matrix4: parentMatrix.storage);
     }
-    var animStartValue = trimPath.start.value / 100;
-    var animEndValue = trimPath.end.value / 100;
-    var animOffsetValue = trimPath.offset.value / 360;
-
-    // If the start-end is ~100, consider it to be the full path.
-    if (animStartValue < 0.01 && animEndValue > 0.99) {
-      canvas.drawPath(_path, paint);
-      L.endSection('StrokeContent#applyTrimPath');
-      return;
-    }
-
     var pathMetrics = _path.computeMetrics().toList();
     var totalLength = pathMetrics.fold<double>(0.0, (a, b) => a + b.length);
 
-    var offsetLength = totalLength * animOffsetValue;
-    var startLength = totalLength * animStartValue + offsetLength;
-    var endLength = min(totalLength * animEndValue + offsetLength,
-        startLength + totalLength - 1);
+    var trimPath = pathGroup.trimPath!;
+    var offsetLength = totalLength * trimPath.offset.value / 360.0;
+    var startLength = totalLength * trimPath.start.value / 100.0 + offsetLength;
+    var endLength = totalLength * trimPath.end.value / 100.0 + offsetLength;
 
     var currentLength = 0.0;
     for (var j = pathGroup.paths.length - 1; j >= 0; j--) {
@@ -339,10 +294,9 @@ abstract class BaseStrokeContent
   @mustCallSuper
   void addValueCallback<T>(T property, LottieValueCallback<T>? callback) {
     if (property == LottieProperty.opacity) {
-      _opacityAnimation.setValueCallback(callback as LottieValueCallback<int>?);
+      _opacityAnimation.setValueCallback(callback as LottieValueCallback<int>);
     } else if (property == LottieProperty.strokeWidth) {
-      _widthAnimation
-          .setValueCallback(callback as LottieValueCallback<double>?);
+      _widthAnimation.setValueCallback(callback as LottieValueCallback<double>);
     } else if (property == LottieProperty.colorFilter) {
       if (_colorFilterAnimation != null) {
         layer.removeAnimation(_colorFilterAnimation);
@@ -353,31 +307,10 @@ abstract class BaseStrokeContent
       } else {
         _colorFilterAnimation =
             ValueCallbackKeyframeAnimation<ColorFilter, ColorFilter?>(
-                callback as LottieValueCallback<ColorFilter>, null)
-              ..addUpdateListener(onUpdateListener);
+                callback as LottieValueCallback<ColorFilter>, null);
+        _colorFilterAnimation!.addUpdateListener(onUpdateListener);
         layer.addAnimation(_colorFilterAnimation);
       }
-    } else if (property == LottieProperty.blurRadius) {
-      var blurAnimation = _blurAnimation;
-      if (blurAnimation != null) {
-        blurAnimation
-            .setValueCallback(callback as LottieValueCallback<double>?);
-      } else {
-        _blurAnimation = blurAnimation = ValueCallbackKeyframeAnimation(
-            callback as LottieValueCallback<double>?, 0)
-          ..addUpdateListener(onUpdateListener);
-        layer.addAnimation(blurAnimation);
-      }
-    } else if (property == LottieProperty.dropShadow) {
-      var dropShadowAnimation = this.dropShadowAnimation;
-      if (dropShadowAnimation == null) {
-        var effect = DropShadowEffect.createEmpty();
-        this.dropShadowAnimation = dropShadowAnimation = dropShadowAnimation =
-            DropShadowKeyframeAnimation(onUpdateListener, layer, effect);
-      }
-
-      dropShadowAnimation
-          .setCallback(callback as LottieValueCallback<DropShadow>?);
     }
   }
 }

lib/src/animation/content/content_group.dart

@@ -217,7 +217,7 @@ class ContentGroup implements DrawingContent, PathContent, KeyPathElement {
   @override
   void resolveKeyPath(KeyPath keyPath, int depth, List<KeyPath> accumulator,
       KeyPath currentPartialKeyPath) {
-    if (!keyPath.matches(name, depth) && name != '__container') {
+    if (!keyPath.matches(name, depth)) {
       return;
     }
 

lib/src/animation/content/ellipse_content.dart

@@ -17,7 +17,7 @@ import 'path_content.dart';
 import 'trim_path_content.dart';
 
 class EllipseContent implements PathContent, KeyPathElementContent {
-  static const _ellipseControlPointPercentage = 0.55228;
+  static final double _ellipseControlPointPercentage = 0.55228;
 
   final Path _path = PathFactory.create();
 
@@ -117,10 +117,10 @@ class EllipseContent implements PathContent, KeyPathElementContent {
   @override
   void addValueCallback<T>(T property, LottieValueCallback<T>? callback) {
     if (property == LottieProperty.ellipseSize) {
-      _sizeAnimation.setValueCallback(callback as LottieValueCallback<Offset>?);
+      _sizeAnimation.setValueCallback(callback as LottieValueCallback<Offset>);
     } else if (property == LottieProperty.position) {
       _positionAnimation
-          .setValueCallback(callback as LottieValueCallback<Offset>?);
+          .setValueCallback(callback as LottieValueCallback<Offset>);
     }
   }
 }

lib/src/animation/content/fill_content.dart

@@ -3,17 +3,14 @@ import 'package:vector_math/vector_math_64.dart';
 import '../../l.dart';
 import '../../lottie_drawable.dart';
 import '../../lottie_property.dart';
-import '../../model/content/drop_shadow_effect.dart';
 import '../../model/content/shape_fill.dart';
 import '../../model/key_path.dart';
 import '../../model/layer/base_layer.dart';
 import '../../utils.dart';
 import '../../utils/misc.dart';
 import '../../utils/path_factory.dart';
-import '../../value/drop_shadow.dart';
 import '../../value/lottie_value_callback.dart';
 import '../keyframe/base_keyframe_animation.dart';
-import '../keyframe/drop_shadow_keyframe_animation.dart';
 import '../keyframe/value_callback_keyframe_animation.dart';
 import 'content.dart';
 import 'drawing_content.dart';
@@ -32,25 +29,10 @@ class FillContent implements DrawingContent, KeyPathElementContent {
   late final BaseKeyframeAnimation<int, int> _opacityAnimation;
   BaseKeyframeAnimation<ColorFilter, ColorFilter?>? _colorFilterAnimation;
   final LottieDrawable lottieDrawable;
-  BaseKeyframeAnimation<double, double>? _blurAnimation;
-  double _blurMaskFilterRadius = 0;
-  DropShadowKeyframeAnimation? dropShadowAnimation;
 
   FillContent(this.lottieDrawable, this.layer, ShapeFill fill)
       : name = fill.name,
         _hidden = fill.hidden {
-    var blurEffect = layer.blurEffect;
-    if (blurEffect != null) {
-      _blurAnimation = blurEffect.blurriness.createAnimation()
-        ..addUpdateListener(onValueChanged);
-      layer.addAnimation(_blurAnimation);
-    }
-    var dropShadowEffect = layer.dropShadowEffect;
-    if (dropShadowEffect != null) {
-      dropShadowAnimation =
-          DropShadowKeyframeAnimation(onValueChanged, layer, dropShadowEffect);
-    }
-
     if (fill.color == null || fill.opacity == null) {
       return;
     }
@@ -98,18 +80,6 @@ class FillContent implements DrawingContent, KeyPathElementContent {
       _paint.colorFilter = _colorFilterAnimation!.value;
     }
 
-    var blurAnimation = _blurAnimation;
-    if (blurAnimation != null) {
-      var blurRadius = blurAnimation.value;
-      if (blurRadius == 0) {
-        _paint.maskFilter = null;
-      } else if (blurRadius != _blurMaskFilterRadius) {
-        var blur = layer.getBlurMaskFilter(blurRadius);
-        _paint.maskFilter = blur;
-      }
-      _blurMaskFilterRadius = blurRadius;
-    }
-
     _path.reset();
     for (var i = 0; i < _paths.length; i++) {
       _path.addPath(_paths[i].getPath(), Offset.zero);
@@ -117,10 +87,6 @@ class FillContent implements DrawingContent, KeyPathElementContent {
 
     canvas.save();
     canvas.transform(parentMatrix.storage);
-    var dropShadow = dropShadowAnimation;
-    if (dropShadow != null) {
-      dropShadow.draw(canvas, _path);
-    }
     canvas.drawPath(_path, _paint);
     canvas.restore();
 
@@ -150,9 +116,9 @@ class FillContent implements DrawingContent, KeyPathElementContent {
   @override
   void addValueCallback<T>(T property, LottieValueCallback<T>? callback) {
     if (property == LottieProperty.color) {
-      _colorAnimation.setValueCallback(callback as LottieValueCallback<Color>?);
+      _colorAnimation.setValueCallback(callback as LottieValueCallback<Color>);
     } else if (property == LottieProperty.opacity) {
-      _opacityAnimation.setValueCallback(callback as LottieValueCallback<int>?);
+      _opacityAnimation.setValueCallback(callback as LottieValueCallback<int>);
     } else if (property == LottieProperty.colorFilter) {
       if (_colorFilterAnimation != null) {
         layer.removeAnimation(_colorFilterAnimation);
@@ -166,28 +132,6 @@ class FillContent implements DrawingContent, KeyPathElementContent {
           ..addUpdateListener(onValueChanged);
         layer.addAnimation(_colorFilterAnimation);
       }
-    } else if (property == LottieProperty.blurRadius) {
-      var blurAnimation = _blurAnimation;
-      if (blurAnimation != null) {
-        blurAnimation
-            .setValueCallback(callback as LottieValueCallback<double>?);
-      } else {
-        var callbackBlur = callback as LottieValueCallback<double>?;
-        _blurAnimation = blurAnimation = ValueCallbackKeyframeAnimation(
-            callbackBlur, callbackBlur?.value ?? 0)
-          ..addUpdateListener(onValueChanged);
-        layer.addAnimation(blurAnimation);
-      }
-    } else if (property == LottieProperty.dropShadow) {
-      var dropShadowAnimation = this.dropShadowAnimation;
-      if (dropShadowAnimation == null) {
-        var effect = DropShadowEffect.createEmpty();
-        this.dropShadowAnimation = dropShadowAnimation = dropShadowAnimation =
-            DropShadowKeyframeAnimation(onValueChanged, layer, effect);
-      }
-
-      dropShadowAnimation
-          .setCallback(callback as LottieValueCallback<DropShadow>?);
     }
   }
 }

lib/src/animation/content/gradient_fill_content.dart

@@ -3,7 +3,6 @@ import 'package:vector_math/vector_math_64.dart';
 import '../../l.dart';
 import '../../lottie_drawable.dart';
 import '../../lottie_property.dart';
-import '../../model/content/drop_shadow_effect.dart';
 import '../../model/content/gradient_color.dart';
 import '../../model/content/gradient_fill.dart';
 import '../../model/content/gradient_type.dart';
@@ -12,10 +11,8 @@ import '../../model/layer/base_layer.dart';
 import '../../utils.dart';
 import '../../utils/misc.dart';
 import '../../utils/path_factory.dart';
-import '../../value/drop_shadow.dart';
 import '../../value/lottie_value_callback.dart';
 import '../keyframe/base_keyframe_animation.dart';
-import '../keyframe/drop_shadow_keyframe_animation.dart';
 import '../keyframe/value_callback_keyframe_animation.dart';
 import 'content.dart';
 import 'drawing_content.dart';
@@ -24,7 +21,7 @@ import 'path_content.dart';
 
 class GradientFillContent implements DrawingContent, KeyPathElementContent {
   /// Cache the gradients such that it runs at 30fps.
-  static const _cacheStepsMs = 32;
+  static final int _cacheStepsMs = 32;
   final BaseLayer layer;
   final GradientFill _fill;
   final _linearGradientCache = <int, Gradient>{};
@@ -41,9 +38,6 @@ class GradientFillContent implements DrawingContent, KeyPathElementContent {
       _colorCallbackAnimation;
   final LottieDrawable lottieDrawable;
   final int _cacheSteps;
-  BaseKeyframeAnimation<double, double>? _blurAnimation;
-  double _blurMaskFilterRadius = 0;
-  DropShadowKeyframeAnimation? dropShadowAnimation;
 
   GradientFillContent(this.lottieDrawable, this.layer, this._fill)
       : _cacheSteps =
@@ -65,18 +59,6 @@ class GradientFillContent implements DrawingContent, KeyPathElementContent {
 
     _endPointAnimation.addUpdateListener(invalidate);
     layer.addAnimation(_endPointAnimation);
-
-    var blurEffect = layer.blurEffect;
-    if (blurEffect != null) {
-      _blurAnimation = blurEffect.blurriness.createAnimation()
-        ..addUpdateListener(invalidate);
-      layer.addAnimation(_blurAnimation);
-    }
-    var dropShadowEffect = layer.dropShadowEffect;
-    if (dropShadowEffect != null) {
-      dropShadowAnimation =
-          DropShadowKeyframeAnimation(invalidate, layer, dropShadowEffect);
-    }
   }
 
   @override
@@ -121,18 +103,6 @@ class GradientFillContent implements DrawingContent, KeyPathElementContent {
       _paint.colorFilter = _colorFilterAnimation!.value;
     }
 
-    var blurAnimation = _blurAnimation;
-    if (blurAnimation != null) {
-      var blurRadius = blurAnimation.value;
-      if (blurRadius == 0) {
-        _paint.maskFilter = null;
-      } else if (blurRadius != _blurMaskFilterRadius) {
-        var blur = layer.getBlurMaskFilter(blurRadius);
-        _paint.maskFilter = blur;
-      }
-      _blurMaskFilterRadius = blurRadius;
-    }
-
     var alpha =
         ((parentAlpha / 255.0 * _opacityAnimation.value / 100.0) * 255).round();
     _paint.setAlpha(alpha.clamp(0, 255).toInt());
@@ -142,10 +112,6 @@ class GradientFillContent implements DrawingContent, KeyPathElementContent {
 
     canvas.save();
     canvas.transform(parentMatrix.storage);
-    var dropShadow = dropShadowAnimation;
-    if (dropShadow != null) {
-      dropShadow.draw(canvas, _path);
-    }
     canvas.drawPath(_path, _paint);
     canvas.restore();
     L.endSection('GradientFillContent#draw');
@@ -232,7 +198,7 @@ class GradientFillContent implements DrawingContent, KeyPathElementContent {
           colors[i] = dynamicColors[i];
         }
       } else {
-        colors = List.filled(dynamicColors.length, const Color(0x00000000));
+        colors = List.filled(dynamicColors.length, Color(0x00000000));
         for (var i = 0; i < dynamicColors.length; i++) {
           colors[i] = dynamicColors[i];
         }
@@ -251,7 +217,7 @@ class GradientFillContent implements DrawingContent, KeyPathElementContent {
   @override
   void addValueCallback<T>(T property, LottieValueCallback<T>? callback) {
     if (property == LottieProperty.opacity) {
-      _opacityAnimation.setValueCallback(callback as LottieValueCallback<int>?);
+      _opacityAnimation.setValueCallback(callback as LottieValueCallback<int>);
     } else if (property == LottieProperty.colorFilter) {
       if (_colorFilterAnimation != null) {
         layer.removeAnimation(_colorFilterAnimation);
@@ -273,34 +239,11 @@ class GradientFillContent implements DrawingContent, KeyPathElementContent {
       if (callback == null) {
         _colorCallbackAnimation = null;
       } else {
-        _linearGradientCache.clear();
-        _radialGradientCache.clear();
         _colorCallbackAnimation = ValueCallbackKeyframeAnimation(
             callback as LottieValueCallback<List<Color>>, <Color>[])
           ..addUpdateListener(invalidate);
         layer.addAnimation(_colorCallbackAnimation);
       }
-    } else if (property == LottieProperty.blurRadius) {
-      var blurAnimation = _blurAnimation;
-      if (blurAnimation != null) {
-        blurAnimation
-            .setValueCallback(callback as LottieValueCallback<double>?);
-      } else {
-        _blurAnimation = blurAnimation = ValueCallbackKeyframeAnimation(
-            callback as LottieValueCallback<double>?, 0)
-          ..addUpdateListener(invalidate);
-        layer.addAnimation(blurAnimation);
-      }
-    } else if (property == LottieProperty.dropShadow) {
-      var dropShadowAnimation = this.dropShadowAnimation;
-      if (dropShadowAnimation == null) {
-        var effect = DropShadowEffect.createEmpty();
-        this.dropShadowAnimation = dropShadowAnimation = dropShadowAnimation =
-            DropShadowKeyframeAnimation(invalidate, layer, effect);
-      }
-
-      dropShadowAnimation
-          .setCallback(callback as LottieValueCallback<DropShadow>?);
     }
   }
 }

lib/src/animation/content/gradient_stroke_content.dart

@@ -15,7 +15,7 @@ import 'base_stroke_content.dart';
 
 class GradientStrokeContent extends BaseStrokeContent {
   /// Cache the gradients such that it runs at 30fps.
-  static const _cacheStepsMs = 32;
+  static final int _cacheStepsMs = 32;
 
   @override
   final String? name;
@@ -149,8 +149,7 @@ class GradientStrokeContent extends BaseStrokeContent {
           colors[i] = dynamicColors[i];
         }
       } else {
-        colors =
-            List<Color>.filled(dynamicColors.length, const Color(0x00000000));
+        colors = List<Color>.filled(dynamicColors.length, Color(0x00000000));
         for (var i = 0; i < dynamicColors.length; i++) {
           colors[i] = dynamicColors[i];
         }

lib/src/animation/content/polystar_content.dart

@@ -22,8 +22,8 @@ class PolystarContent implements PathContent, KeyPathElementContent {
   /// curves, and calculating a scale factor.
   /// It works best for polygons and stars with 3 points and needs more
   /// work otherwise.
-  static const _polystarMagicNumber = .47829;
-  static const _polygonMagicNumber = .25;
+  static final _polystarMagicNumber = .47829;
+  static final _polygonMagicNumber = .25;
   final _path = PathFactory.create();
 
   final LottieDrawable lottieDrawable;
@@ -134,9 +134,6 @@ class PolystarContent implements PathContent, KeyPathElementContent {
     currentAngle = radians(currentAngle);
     // adjust current angle for partial points
     var anglePerPoint = 2 * pi / points;
-    if (_polystarShape.isReversed) {
-      anglePerPoint *= -1;
-    }
     var halfAnglePerPoint = anglePerPoint / 2.0;
     var partialPointAmount = points - points.toInt();
     if (partialPointAmount != 0) {
@@ -298,27 +295,27 @@ class PolystarContent implements PathContent, KeyPathElementContent {
   void addValueCallback<T>(T property, LottieValueCallback<T>? callback) {
     if (property == LottieProperty.polystarPoints) {
       _pointsAnimation
-          .setValueCallback(callback as LottieValueCallback<double>?);
+          .setValueCallback(callback as LottieValueCallback<double>);
     } else if (property == LottieProperty.polystarRotation) {
       _rotationAnimation
-          .setValueCallback(callback as LottieValueCallback<double>?);
+          .setValueCallback(callback as LottieValueCallback<double>);
     } else if (property == LottieProperty.position) {
       _positionAnimation
-          .setValueCallback(callback as LottieValueCallback<Offset>?);
+          .setValueCallback(callback as LottieValueCallback<Offset>);
     } else if (property == LottieProperty.polystarInnerRadius &&
         _innerRadiusAnimation != null) {
       _innerRadiusAnimation!
-          .setValueCallback(callback as LottieValueCallback<double>?);
+          .setValueCallback(callback as LottieValueCallback<double>);
     } else if (property == LottieProperty.polystarOuterRadius) {
       _outerRadiusAnimation
-          .setValueCallback(callback as LottieValueCallback<double>?);
+          .setValueCallback(callback as LottieValueCallback<double>);
     } else if (property == LottieProperty.polystarInnerRoundedness &&
         _innerRoundednessAnimation != null) {
       _innerRoundednessAnimation!
-          .setValueCallback(callback as LottieValueCallback<double>?);
+          .setValueCallback(callback as LottieValueCallback<double>);
     } else if (property == LottieProperty.polystarOuterRoundedness) {
       _outerRoundednessAnimation
-          .setValueCallback(callback as LottieValueCallback<double>?);
+          .setValueCallback(callback as LottieValueCallback<double>);
     }
   }
 }

lib/src/animation/content/rectangle_content.dart

@@ -15,7 +15,6 @@ import 'compound_trim_path_content.dart';
 import 'content.dart';
 import 'key_path_element_content.dart';
 import 'path_content.dart';
-import 'rounded_corners_content.dart';
 import 'trim_path_content.dart';
 
 class RectangleContent implements KeyPathElementContent, PathContent {
@@ -30,9 +29,6 @@ class RectangleContent implements KeyPathElementContent, PathContent {
   final BaseKeyframeAnimation<Object, double> _cornerRadiusAnimation;
 
   final CompoundTrimPathContent _trimPaths = CompoundTrimPathContent();
-
-  /// This corner radius is from a layer item. The first one is from the roundedness on this specific rect.
-  BaseKeyframeAnimation<double, double>? _roundedCornersAnimation;
   bool _isPathValid = false;
 
   RectangleContent(
@@ -65,8 +61,6 @@ class RectangleContent implements KeyPathElementContent, PathContent {
         var trimPath = content;
         _trimPaths.addTrimPath(trimPath);
         trimPath.addListener(invalidate);
-      } else if (content is RoundedCornersContent) {
-        _roundedCornersAnimation = content.roundedCorners;
       }
     }
   }
@@ -88,10 +82,6 @@ class RectangleContent implements KeyPathElementContent, PathContent {
     var halfWidth = size.dx / 2.0;
     var halfHeight = size.dy / 2.0;
     var radius = _cornerRadiusAnimation.value;
-    var roundedCornersAnimation = _roundedCornersAnimation;
-    if (radius == 0 && roundedCornersAnimation != null) {
-      radius = min(roundedCornersAnimation.value, min(halfWidth, halfHeight));
-    }
     var maxRadius = min(halfWidth, halfHeight);
     if (radius > maxRadius) {
       radius = maxRadius;
@@ -175,13 +165,13 @@ class RectangleContent implements KeyPathElementContent, PathContent {
   @override
   void addValueCallback<T>(T property, LottieValueCallback<T>? callback) {
     if (property == LottieProperty.rectangleSize) {
-      _sizeAnimation.setValueCallback(callback as LottieValueCallback<Offset>?);
+      _sizeAnimation.setValueCallback(callback as LottieValueCallback<Offset>);
     } else if (property == LottieProperty.position) {
       _positionAnimation
-          .setValueCallback(callback as LottieValueCallback<Offset>?);
+          .setValueCallback(callback as LottieValueCallback<Offset>);
     } else if (property == LottieProperty.cornerRadius) {
       _cornerRadiusAnimation
-          .setValueCallback(callback as LottieValueCallback<double>?);
+          .setValueCallback(callback as LottieValueCallback<double>);
     }
   }
 }

lib/src/animation/content/repeater_content.dart

@@ -142,9 +142,9 @@ class RepeaterContent
     }
 
     if (property == LottieProperty.repeaterCopies) {
-      _copies.setValueCallback(callback as LottieValueCallback<double>?);
+      _copies.setValueCallback(callback as LottieValueCallback<double>);
     } else if (property == LottieProperty.repeaterOffset) {
-      _offset.setValueCallback(callback as LottieValueCallback<double>?);
+      _offset.setValueCallback(callback as LottieValueCallback<double>);
     }
   }
 }

lib/src/animation/content/rounded_corners_content.dart

@@ -1,236 +0,0 @@
-import 'dart:math' as math;
-import 'dart:ui';
-import '../../lottie_drawable.dart';
-import '../../model/content/rounded_corners.dart';
-import '../../model/content/shape_data.dart';
-import '../../model/cubic_curve_data.dart';
-import '../../model/layer/base_layer.dart';
-import '../../utils.dart';
-import '../keyframe/base_keyframe_animation.dart';
-import 'content.dart';
-import 'shape_modifier_content.dart';
-
-class RoundedCornersContent implements ShapeModifierContent {
-  /// Copied from:
-  /// https://github.com/airbnb/lottie-web/blob/bb71072a26e03f1ca993da60915860f39aae890b/player/js/utils/common.js#L47
-  static const _roundedCornerMagicNumber = 0.5519;
-
-  final LottieDrawable lottieDrawable;
-
-  @override
-  final String name;
-  final BaseKeyframeAnimation<double, double> roundedCorners;
-  ShapeData? shapeData;
-
-  RoundedCornersContent(
-      this.lottieDrawable, BaseLayer layer, RoundedCorners roundedCorners)
-      : name = roundedCorners.name,
-        roundedCorners = roundedCorners.cornerRadius.createAnimation() {
-    layer.addAnimation(this.roundedCorners);
-    this.roundedCorners.addUpdateListener(_onValueChanged);
-  }
-
-  void _onValueChanged() {
-    lottieDrawable.invalidateSelf();
-  }
-
-  @override
-  void setContents(List<Content> contentsBefore, List<Content> contentsAfter) {
-    // Do nothing.
-  }
-
-  /// Rounded corner algorithm:
-  /// Iterate through each vertex.
-  /// If a vertex is a sharp corner, it rounds it.
-  /// If a vertex has control points, it is already rounded, so it does nothing.
-  /// <p>
-  /// To round a vertex:
-  /// Split the vertex into two.
-  /// Move vertex 1 directly towards the previous vertex.
-  /// Set vertex 1's in control point to itself so it is not rounded on that side.
-  /// Extend vertex 1's out control point towards the original vertex.
-  /// <p>
-  /// Repeat for vertex 2:
-  /// Move vertex 2 directly towards the next vertex.
-  /// Set vertex 2's out point to itself so it is not rounded on that side.
-  /// Extend vertex 2's in control point towards the original vertex.
-  /// <p>
-  /// The distance that the vertices and control points are moved are relative to the
-  /// shape's vertex distances and the roundedness set in the animation.
-  @override
-  ShapeData modifyShape(ShapeData startingShapeData) {
-    var startingCurves = startingShapeData.curves;
-    if (startingCurves.length <= 2) {
-      return startingShapeData;
-    }
-    var roundedness = roundedCorners.value;
-    if (roundedness == 0) {
-      return startingShapeData;
-    }
-
-    var modifiedShapeData = _getShapeData(startingShapeData);
-    modifiedShapeData.setInitialPoint(
-        startingShapeData.initialPoint.dx, startingShapeData.initialPoint.dy);
-    var modifiedCurves = modifiedShapeData.curves;
-    var modifiedCurvesIndex = 0;
-    var isClosed = startingShapeData.isClosed;
-
-    // i represents which vertex we are currently on. Refer to the docs of CubicCurveData prior to working with
-    // this code.
-    // When i == 0
-    //    vertex=ShapeData.initialPoint
-    //    inCp=if closed vertex else curves[size - 1].cp2
-    //    outCp=curves[0].cp1
-    // When i == 1
-    //    vertex=curves[0].vertex
-    //    inCp=curves[0].cp2
-    //    outCp=curves[1].cp1.
-    // When i == size - 1
-    //    vertex=curves[size - 1].vertex
-    //    inCp=curves[size - 1].cp2
-    //    outCp=if closed vertex else curves[0].cp1
-    for (var i = 0; i < startingCurves.length; i++) {
-      var startingCurve = startingCurves[i];
-      var previousCurve =
-          startingCurves[floorMod(i - 1, startingCurves.length)];
-      var previousPreviousCurve =
-          startingCurves[floorMod(i - 2, startingCurves.length)];
-      var vertex = (i == 0 && !isClosed)
-          ? startingShapeData.initialPoint
-          : previousCurve.vertex;
-      var inPoint =
-          (i == 0 && !isClosed) ? vertex : previousCurve.controlPoint2;
-      var outPoint = startingCurve.controlPoint1;
-      var previousVertex = previousPreviousCurve.vertex;
-      var nextVertex = startingCurve.vertex;
-
-      // We can't round the corner of the end of a non-closed curve.
-      var isEndOfCurve = !startingShapeData.isClosed &&
-          (i == 0 && i == startingCurves.length - 1);
-      if (inPoint == vertex && outPoint == vertex && !isEndOfCurve) {
-        // This vertex is a point. Round its corners
-        var dxToPreviousVertex = vertex.dx - previousVertex.dx;
-        var dyToPreviousVertex = vertex.dy - previousVertex.dy;
-        var dxToNextVertex = nextVertex.dx - vertex.dx;
-        var dyToNextVertex = nextVertex.dy - vertex.dy;
-
-        var dToPreviousVertex = hypot(dxToPreviousVertex, dyToPreviousVertex);
-        var dToNextVertex = hypot(dxToNextVertex, dyToNextVertex);
-
-        double previousVertexPercent =
-            math.min(roundedness / dToPreviousVertex, 0.5);
-        double nextVertexPercent = math.min(roundedness / dToNextVertex, 0.5);
-
-        // Split the vertex into two and move each vertex towards the previous/next vertex.
-        var newVertex1X =
-            vertex.dx + (previousVertex.dx - vertex.dx) * previousVertexPercent;
-        var newVertex1Y =
-            vertex.dy + (previousVertex.dy - vertex.dy) * previousVertexPercent;
-        var newVertex2X =
-            vertex.dx + (nextVertex.dx - vertex.dx) * nextVertexPercent;
-        var newVertex2Y =
-            vertex.dy + (nextVertex.dy - vertex.dy) * nextVertexPercent;
-
-        // Extend the new vertex control point towards the original vertex.
-        var newVertex1OutPointX =
-            newVertex1X - (newVertex1X - vertex.dx) * _roundedCornerMagicNumber;
-        var newVertex1OutPointY =
-            newVertex1Y - (newVertex1Y - vertex.dy) * _roundedCornerMagicNumber;
-        var newVertex2InPointX =
-            newVertex2X - (newVertex2X - vertex.dx) * _roundedCornerMagicNumber;
-        var newVertex2InPointY =
-            newVertex2Y - (newVertex2Y - vertex.dy) * _roundedCornerMagicNumber;
-
-        // Remap vertex/in/out point to CubicCurveData.
-        // Refer to the docs for CubicCurveData for more info on the difference.
-        var previousCurveData = modifiedCurves[
-            floorMod(modifiedCurvesIndex - 1, modifiedCurves.length)];
-        var currentCurveData = modifiedCurves[modifiedCurvesIndex];
-        previousCurveData.controlPoint2 = Offset(newVertex1X, newVertex1Y);
-        previousCurveData.vertex = Offset(newVertex1X, newVertex1Y);
-        if (i == 0) {
-          modifiedShapeData.setInitialPoint(newVertex1X, newVertex1Y);
-        }
-        currentCurveData.controlPoint1 =
-            Offset(newVertex1OutPointX, newVertex1OutPointY);
-        modifiedCurvesIndex++;
-
-        previousCurveData = currentCurveData;
-        currentCurveData = modifiedCurves[modifiedCurvesIndex];
-        previousCurveData.controlPoint2 =
-            Offset(newVertex2InPointX, newVertex2InPointY);
-        previousCurveData.vertex = Offset(newVertex2X, newVertex2Y);
-        currentCurveData.controlPoint1 = Offset(newVertex2X, newVertex2Y);
-        modifiedCurvesIndex++;
-      } else {
-        // This vertex is not a point. Don't modify it. Refer to the documentation above and for CubicCurveData for mapping a vertex
-        // oriented point to CubicCurveData (path segments).
-        var previousCurveData = modifiedCurves[
-            floorMod(modifiedCurvesIndex - 1, modifiedCurves.length)];
-        var currentCurveData = modifiedCurves[modifiedCurvesIndex];
-        previousCurveData.controlPoint2 =
-            Offset(previousCurve.vertex.dx, previousCurve.vertex.dy);
-        previousCurveData.vertex =
-            Offset(previousCurve.vertex.dx, previousCurve.vertex.dy);
-        currentCurveData.controlPoint1 =
-            Offset(startingCurve.vertex.dx, startingCurve.vertex.dy);
-        modifiedCurvesIndex++;
-      }
-    }
-    return modifiedShapeData;
-  }
-
-  /// Returns a shape data with the correct number of vertices for the rounded corners shape.
-  /// This just returns the object. It does not update any values within the shape.
-
-  ShapeData _getShapeData(ShapeData startingShapeData) {
-    var startingCurves = startingShapeData.curves;
-    var isClosed = startingShapeData.isClosed;
-    var vertices = 0;
-    for (var i = startingCurves.length - 1; i >= 0; i--) {
-      var startingCurve = startingCurves[i];
-      var previousCurve =
-          startingCurves[floorMod(i - 1, startingCurves.length)];
-      var vertex = (i == 0 && !isClosed)
-          ? startingShapeData.initialPoint
-          : previousCurve.vertex;
-      var inPoint =
-          (i == 0 && !isClosed) ? vertex : previousCurve.controlPoint2;
-      var outPoint = startingCurve.controlPoint1;
-
-      var isEndOfCurve = !startingShapeData.isClosed &&
-          (i == 0 && i == startingCurves.length - 1);
-      if (inPoint == vertex && outPoint == vertex && !isEndOfCurve) {
-        vertices += 2;
-      } else {
-        vertices += 1;
-      }
-    }
-    var shapeData = this.shapeData;
-    if (shapeData == null || shapeData.curves.length != vertices) {
-      var newCurves = <CubicCurveData>[];
-      for (var i = 0; i < vertices; i++) {
-        newCurves.add(CubicCurveData());
-      }
-      this.shapeData = shapeData =
-          ShapeData(newCurves, initialPoint: Offset.zero, closed: false);
-    }
-    shapeData.setClosed(isClosed);
-    return shapeData;
-  }
-
-  /// Copied from the API 24+ AOSP source.
-  static int floorMod(int x, int y) {
-    return x - floorDiv(x, y) * y;
-  }
-
-  /// Copied from the API 24+ AOSP source.
-  static int floorDiv(int x, int y) {
-    var r = x ~/ y;
-    // if the signs are different and modulo not zero, round down
-    if ((x ^ y) < 0 && (r * y != x)) {
-      r--;
-    }
-    return r;
-  }
-}

lib/src/animation/content/shape_content.dart

@@ -5,11 +5,10 @@ import '../../model/content/shape_trim_path.dart';
 import '../../model/layer/base_layer.dart';
 import '../../utils.dart';
 import '../../utils/path_factory.dart';
-import '../keyframe/shape_keyframe_animation.dart';
+import '../keyframe/base_keyframe_animation.dart';
 import 'compound_trim_path_content.dart';
 import 'content.dart';
 import 'path_content.dart';
-import 'shape_modifier_content.dart';
 import 'trim_path_content.dart';
 
 class ShapeContent implements PathContent {
@@ -18,7 +17,7 @@ class ShapeContent implements PathContent {
   final ShapePath _shape;
 
   final LottieDrawable lottieDrawable;
-  final ShapeKeyframeAnimation _shapeAnimation;
+  final BaseKeyframeAnimation<Object, Path> _shapeAnimation;
 
   bool _isPathValid = false;
   final _trimPaths = CompoundTrimPathContent();
@@ -36,7 +35,6 @@ class ShapeContent implements PathContent {
 
   @override
   void setContents(List<Content> contentsBefore, List<Content> contentsAfter) {
-    List<ShapeModifierContent>? shapeModifierContents;
     for (var i = 0; i < contentsBefore.length; i++) {
       var content = contentsBefore[i];
       if (content is TrimPathContent &&
@@ -45,12 +43,8 @@ class ShapeContent implements PathContent {
         var trimPath = content;
         _trimPaths.addTrimPath(trimPath);
         trimPath.addListener(_invalidate);
-      } else if (content is ShapeModifierContent) {
-        shapeModifierContents ??= [];
-        shapeModifierContents.add(content);
       }
     }
-    _shapeAnimation.setShapeModifiers(shapeModifierContents);
   }
 
   @override

lib/src/animation/content/shape_modifier_content.dart

@@ -1,6 +0,0 @@
-import '../../model/content/shape_data.dart';
-import 'content.dart';
-
-abstract class ShapeModifierContent extends Content {
-  ShapeData modifyShape(ShapeData shapeData);
-}