Fix some warnings with Flutter 3.3 (#235)

Thanks for the contribution

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

@@ -10,11 +10,11 @@ jobs:
     name: Flutter analyze
     strategy:
       matrix:
-        flutter: ['stable', 'dev']
+        flutter: ['stable']
     runs-on: macos-latest
     steps:
       - uses: actions/checkout@v2
-      - uses: subosito/flutter-action@v1
+      - uses: subosito/flutter-action@v2
         with:
           channel: ${{ matrix.flutter }}
       - run: flutter doctor
@@ -22,8 +22,8 @@ jobs:
       - run: flutter pub get
         working-directory: example
       - run: flutter analyze
-      - run: flutter test test # https://github.com/flutter/flutter/issues/20907
-      - run: flutter test test
+      - run: flutter test
+      - run: flutter test
         working-directory: example
       - run: flutter pub run tool/prepare_submit.dart
       - name: "check for uncommitted changes"
@@ -32,4 +32,17 @@ jobs:
           || (echo "##[error] found changed files after build. please run 'dart tool/prepare_submit.dart'" \
                    "and check in all changes" \
               && exit 1)
-        shell: bash
+        shell: bash
+  build_web_version:
+    name: Check that the web version compile
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: subosito/flutter-action@v2
+        with:
+          channel: 'stable'
+      - run: flutter precache web
+      - run: flutter pub get
+        working-directory: example
+      - run: flutter build web
+        working-directory: example

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

@@ -8,18 +8,16 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-      - uses: subosito/flutter-action@v1
+      - uses: subosito/flutter-action@v2
         with:
           channel: 'stable'
       - run: flutter pub get
       - run: flutter pub run tool/publish/comment_dependency_overrides.dart
       - run: flutter pub get
-      - run: echo ::set-env name=RELEASE_VERSION::${GITHUB_REF}
-      - run: flutter pub run tool/publish/check_version.dart ${{ env.RELEASE_VERSION }}
+      - run: flutter pub run tool/publish/check_version.dart ${GITHUB_REF}
       - name: Setup credentials
         run: |
-          mkdir -p $FLUTTER_HOME/.pub-cache
-          cat <<EOF > $FLUTTER_HOME/.pub-cache/credentials.json
+          cat <<EOF > $PUB_CACHE/credentials.json
           {
             "accessToken":"${{ secrets.OAUTH_ACCESS_TOKEN }}",
             "refreshToken":"${{ secrets.OAUTH_REFRESH_TOKEN }}",

.gitignore

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

.pubignore

@@ -0,0 +1,15 @@
+.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

@@ -1,47 +1,213 @@
-## [0.3.2] - 2020-03-16
+## [1.4.3]
+- Fixed some lints with Flutter 3.3. 
+
+## [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`
+
+## [1.0.0]
+- Migrate to null safety
+- Fix some rendering bugs
+- Add an image delegate to dynamically change images
+- Allow to use an imageProviderFactory with a zip file
+
+## [0.7.1]
+- Fix a crash for some lottie file with empty paths.
+
+## [0.7.0+1]
+- Fix Flutter Web compilation error
+
+## [0.7.0]
+- Performance improvement for complex animations.
+
+## [0.6.0]
+- Runs the animation at the frame rate specified in the json file (ie. An animation encoded with a 20 FPS will only
+  be paint 20 times per seconds even though the AnimationController will invalidate the widget 60 times per seconds).  
+  A new property `frameRate` allows to opt-out this behavior and have the widget to repaint at the device frame rate 
+   (`FrameRate.max`).
+- Automatically add a `RepaintBoundary` around the widget. Since `Lottie` animations are generally complex to paint, a
+   `RepaintBoundary` will separate the animation with the rest of the app and improve performance. A new property `addRepaintBoundary`
+   allows to opt-out this behavior.
+- Fix a bug where we would call `markNeedPaint` when the animation was not changing. This removes unnecessary paints in
+  animations with static periods.
+
+## [0.5.1]
+- Remove direct dependencies on dart:io to support Flutter Web
+
+## [0.5.0]
+- Support loading animation from network in a web app
+- Fix a couple of bugs with the web dev compiler
+
+## [0.4.1]
+- Support color value stored as RGB, not RGBA 
+
+## [0.4.0+1]
+- Support latest version of the `characters` package
+
+## [0.4.0]
+- Disable "Merge paths" by default and provide an option to enable them.  
+This is the same behavior as in Lottie-android.  
+Merge paths currently don't work if the the operand shape is entirely contained within the
+first shape. If you need to cut out one shape from another shape, use an even-odd fill type
+instead of using merge paths.
+
+Merge paths can be enabled with:
+```dart
+Lottie.asset('file.json', options: LottieOptions(enableMergePaths: true));
+```
+
+
+## [0.3.6]
+- Export the `Marker` class
+
+## [0.3.5]
+- Fix a bug with a wrongly clipped rectangle. 
+
+## [0.3.4]
+- Fix a bug with dashed path
+
+## [0.3.3]
+- Fix a bug with rounded rectangle shape
+
+## [0.3.2]
 - Fix a bug with "repeater" content
 
-## [0.3.1] - 2020-03-05
+## [0.3.1]
 - Support dashed path
 
-## [0.3.0+1] - 2020-03-05
+## [0.3.0+1]
 - Specify a version range for the dependency on `characters`.
 
-## [0.3.0] - 2020-03-05
+## [0.3.0]
 - Add `LottieDelegates` a group of options to customize the lottie animation at runtime.
   ie: Dynamically modify color, position, size, text... of every elements of the animation.
 - Correctly display Linear and Radial Gradients
 - Integrate latest changes from Lottie-android
 
-## [0.2.2] - 2020-02-21
+## [0.2.2]
 - Add a [repeat] parameter to specify if the automatic animation should loop.
 - Add the [animate], [reverse], [repeat] properties on `LottieBuilder`
 - Fix bug with `onLoaded` callback when the `LottieProvider` is changed
 
-## [0.2.1] - 2020-02-11
+## [0.2.1]
 - Fix a big bug in the path transformation code. A lot more animations look correct now.
 
-## [0.2.0+1] - 2020-02-04
+## [0.2.0+1]
 - Improve readme
 - (internal) Add golden tests
 
-## [0.2.0] - 2020-02-02
+## [0.2.0]
 - Support loading the animation and its images from a zip file
 - Breaking: `LottieComposition.fromBytes` and `fromByteData` are now asynchronous.
 
-## [0.1.4] - 2020-02-02
+## [0.1.4]
 - Support images in animation
 - Basic support for text in animation (work in progress)
 
-## [0.1.3] - 2020-02-01
+## [0.1.3]
 - Support Polystar shape
 - Reorganize examples.
 
-## [0.1.2] - 2020-01-31
+## [0.1.2]
 - Implement `Lottie.network`, `Lottie.file` and `Lottie.memory`
 
-## [0.1.1] - 2020-01-31
+## [0.1.1]
 - Fix analysis lints
 
-## [0.1.0] - 2020-01-31
+## [0.1.0]
 - Initial conversion of [lottie-android](https://github.com/airbnb/lottie-android) to Dart/Flutter

README.md

@@ -3,12 +3,12 @@
 [![](https://github.com/xvrh/lottie-flutter/workflows/Lottie%20Flutter/badge.svg?branch=master)](https://github.com/xvrh/lottie-flutter)
 [![pub package](https://img.shields.io/pub/v/lottie.svg)](https://pub.dev/packages/lottie)
 
-Lottie is a mobile library for Android and iOS that parses [Adobe After Effects](http://www.adobe.com/products/aftereffects.html) 
+Lottie is a mobile library for Android and iOS that parses [Adobe After Effects](https://www.adobe.com/products/aftereffects.html) 
 animations exported as json with [Bodymovin](https://github.com/airbnb/lottie-web) and renders them natively on mobile!
 
-This repository is a unofficial conversion of the [Lottie-android](https://github.com/airbnb/lottie-android) library in pure Dart. 
+This repository is an unofficial conversion of the [Lottie-android](https://github.com/airbnb/lottie-android) library in pure Dart. 
 
-It works on Android, iOS and macOS. ([Web support is coming](https://github.com/xvrh/lottie-flutter#flutter-web))
+It works on Android, iOS, macOS, linux, windows and web.
 
 ## Usage
 
@@ -20,9 +20,11 @@ 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(MyApp());
+void main() => runApp(const MyApp());
 
 class MyApp extends StatelessWidget {
+  const MyApp({Key? key}) : super(key: key);
+
   @override
   Widget build(BuildContext context) {
     return MaterialApp(
@@ -49,19 +51,24 @@ class MyApp extends StatelessWidget {
 ### Specify a custom `AnimationController`
 This example shows how to take full control over the animation by providing your own `AnimationController`.
 
+With a custom `AnimationController` you have a rich API to play the animation in various ways: start and stop the animation when you want,
+ play forward or backward, loop between specifics points...  
+
 ```dart
 import 'package:flutter/material.dart';
 import 'package:lottie/lottie.dart';
 
-void main() => runApp(MyApp());
+void main() => runApp(const MyApp());
 
 class MyApp extends StatefulWidget {
+  const MyApp({Key? key}) : super(key: key);
+
   @override
-  _MyAppState createState() => _MyAppState();
+  State<MyApp> createState() => _MyAppState();
 }
 
 class _MyAppState extends State<MyApp> with TickerProviderStateMixin {
-  AnimationController _controller;
+  late final AnimationController _controller;
 
   @override
   void initState() {
@@ -82,8 +89,8 @@ class _MyAppState extends State<MyApp> with TickerProviderStateMixin {
       home: Scaffold(
         body: ListView(
           children: [
-            Lottie.network(
-              'https://raw.githubusercontent.com/xvrh/lottie-flutter/master/example/assets/Mobilo/C.json',
+            Lottie.asset(
+              'assets/LottieLogo1.json',
               controller: _controller,
               onLoaded: (composition) {
                 // Configure the AnimationController with the duration of the
@@ -101,6 +108,8 @@ class _MyAppState extends State<MyApp> with TickerProviderStateMixin {
 }
 ```
 
+[See this file](https://github.com/xvrh/lottie-flutter/blob/master/example/lib/examples/animation_full_control.dart) for a more comprehensive example.
+
 ### Control the size of the Widget
 The `Lottie` widget takes the same arguments and have the same behavior as the `Image` widget
 in term of controlling its size.
@@ -117,21 +126,24 @@ Lottie.asset(
 animation.
 
 ### Custom loading
-This example shows how to load and parse a Lottie composition from a json file.  
-
 The `Lottie` widget has several convenient constructors (`Lottie.asset`, `Lottie.network`, `Lottie.memory`) to load, parse and
 cache automatically the json file.
 
 Sometime you may prefer to have full control over the loading of the file. Use `LottieComposition.fromByteData` to 
 parse the file from a list of bytes.
+
+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
-  _MyWidgetState createState() => _MyWidgetState();
+  State<MyWidget> createState() => _MyWidgetState();
 }
 
 class _MyWidgetState extends State<MyWidget> {
-  Future<LottieComposition> _composition;
+  late final Future<LottieComposition> _composition;
 
   @override
   void initState() {
@@ -154,7 +166,7 @@ class _MyWidgetState extends State<MyWidget> {
         if (composition != null) {
           return Lottie(composition: composition);
         } else {
-          return Center(child: CircularProgressIndicator());
+          return const Center(child: CircularProgressIndicator());
         }
       },
     );
@@ -170,26 +182,25 @@ a specific position and size.
 class CustomDrawer extends StatelessWidget {
   final LottieComposition composition;
 
-  const CustomDrawer(this.composition, {Key key}) : super(key: key);
+  const CustomDrawer(this.composition, {Key? key}) : super(key: key);
 
   @override
   Widget build(BuildContext context) {
     return CustomPaint(
       painter: _Painter(composition),
-      size: Size(400, 400),
+      size: const Size(400, 400),
     );
   }
 }
 
 class _Painter extends CustomPainter {
-  final LottieComposition composition;
+  final LottieDrawable drawable;
 
-  _Painter(this.composition);
+  _Painter(LottieComposition composition)
+      : drawable = LottieDrawable(composition);
 
   @override
   void paint(Canvas canvas, Size size) {
-    var drawable = LottieDrawable(composition);
-
     var frameCount = 40;
     var columns = 10;
     for (var i = 0; i < frameCount; i++) {
@@ -219,39 +230,34 @@ class _Animation extends StatelessWidget {
     return Lottie.asset(
       'assets/Tests/Shapes.json',
       delegates: LottieDelegates(
-          text: (initialText) => translate(initialText),
-          values: [
-            ValueDelegate.color(
-              const ['Shape Layer 1', 'Rectangle', 'Fill 1'],
-              value: Colors.red,
-            ),
-            ValueDelegate.opacity(
-              const ['Shape Layer 1', 'Rectangle'],
-              callback: (frameInfo) =>
-                  (frameInfo.overallProgress * 100).round(),
-            ),
-            ValueDelegate.position(
-              const ['Shape Layer 1', 'Rectangle'],
-              relative: Offset(100, 200),
-            ),
-          ]),
+        text: (initialText) => '**$initialText**',
+        values: [
+          ValueDelegate.color(
+            const ['Shape Layer 1', 'Rectangle', 'Fill 1'],
+            value: Colors.red,
+          ),
+          ValueDelegate.opacity(
+            const ['Shape Layer 1', 'Rectangle'],
+            callback: (frameInfo) => (frameInfo.overallProgress * 100).round(),
+          ),
+          ValueDelegate.position(
+            const ['Shape Layer 1', 'Rectangle', '**'],
+            relative: const Offset(100, 200),
+          ),
+        ],
+      ),
     );
   }
 }
 ````
 
 ## Limitations
-This is a new library so usability, documentation and performance are still work in progress.
-
-Only the [supported features of Lottie Android](https://airbnb.io/lottie/#/supported-features)
-are supported in this port.
+This port supports the same [feature set as Lottie Android](https://airbnb.io/lottie/#/supported-features).
 
 ## Flutter Web
-Run the app with `flutter run -d Chrome --dart-define=FLUTTER_WEB_USE_SKIA=true --release`
+Run the app with `flutter run -d chrome --web-renderer canvaskit`
 
-The performance are not great and some features are missing.
+See a preview here: https://xvrh.github.io/lottie-flutter-web/
 
-See a preview here: https://xvrh.github.io/lottie-flutter/index.html
-
-## Complete example
-See the Sample app (in the `example` folder) for a complete example of the various possibilities.
+## More examples
+See the `example` folder for more code samples of the various possibilities.

README.template.md

@@ -3,12 +3,12 @@
 [![](https://github.com/xvrh/lottie-flutter/workflows/Lottie%20Flutter/badge.svg?branch=master)](https://github.com/xvrh/lottie-flutter)
 [![pub package](https://img.shields.io/pub/v/lottie.svg)](https://pub.dev/packages/lottie)
 
-Lottie is a mobile library for Android and iOS that parses [Adobe After Effects](http://www.adobe.com/products/aftereffects.html) 
+Lottie is a mobile library for Android and iOS that parses [Adobe After Effects](https://www.adobe.com/products/aftereffects.html) 
 animations exported as json with [Bodymovin](https://github.com/airbnb/lottie-web) and renders them natively on mobile!
 
-This repository is a unofficial conversion of the [Lottie-android](https://github.com/airbnb/lottie-android) library in pure Dart. 
+This repository is an unofficial conversion of the [Lottie-android](https://github.com/airbnb/lottie-android) library in pure Dart. 
 
-It works on Android, iOS and macOS. ([Web support is coming](https://github.com/xvrh/lottie-flutter#flutter-web))
+It works on Android, iOS, macOS, linux, windows and web.
 
 ## Usage
 
@@ -17,16 +17,21 @@ This example shows how to display a Lottie animation in the simplest way.
 The `Lottie` widget will load the json file and run the animation indefinitely.
 
 ```dart
-import 'example/lib/examples/main.dart';
+import 'example/lib/main.dart';
 ```
 
 ### Specify a custom `AnimationController`
 This example shows how to take full control over the animation by providing your own `AnimationController`.
 
+With a custom `AnimationController` you have a rich API to play the animation in various ways: start and stop the animation when you want,
+ play forward or backward, loop between specifics points...  
+
 ```dart
 import 'example/lib/examples/animation_controller.dart';
 ```
 
+[See this file](https://github.com/xvrh/lottie-flutter/blob/master/example/lib/examples/animation_full_control.dart) for a more comprehensive example.
+
 ### Control the size of the Widget
 The `Lottie` widget takes the same arguments and have the same behavior as the `Image` widget
 in term of controlling its size.
@@ -43,13 +48,14 @@ Lottie.asset(
 animation.
 
 ### Custom loading
-This example shows how to load and parse a Lottie composition from a json file.  
-
 The `Lottie` widget has several convenient constructors (`Lottie.asset`, `Lottie.network`, `Lottie.memory`) to load, parse and
 cache automatically the json file.
 
 Sometime you may prefer to have full control over the loading of the file. Use `LottieComposition.fromByteData` to 
 parse the file from a list of bytes.
+
+This example shows how to load and parse a Lottie composition from a json file.  
+
 ```dart
 import 'example/lib/examples/custom_load.dart#example';
 ```
@@ -72,17 +78,12 @@ import 'example/lib/examples/simple_dynamic_properties.dart#example';
 ````
 
 ## Limitations
-This is a new library so usability, documentation and performance are still work in progress.
-
-Only the [supported features of Lottie Android](https://airbnb.io/lottie/#/supported-features)
-are supported in this port.
+This port supports the same [feature set as Lottie Android](https://airbnb.io/lottie/#/supported-features).
 
 ## Flutter Web
-Run the app with `flutter run -d Chrome --dart-define=FLUTTER_WEB_USE_SKIA=true --release`
+Run the app with `flutter run -d chrome --web-renderer canvaskit`
 
-The performance are not great and some features are missing.
+See a preview here: https://xvrh.github.io/lottie-flutter-web/
 
-See a preview here: https://xvrh.github.io/lottie-flutter/index.html
-
-## Complete example
-See the Sample app (in the `example` folder) for a complete example of the various possibilities.
+## More examples
+See the `example` folder for more code samples of the various possibilities.

analysis_options.yaml

@@ -1,39 +1,29 @@
-include: package:pedantic/analysis_options.yaml
+include: package:flutter_lints/flutter.yaml
 analyzer:
-  errors:
   strong-mode:
     implicit-casts: false
     implicit-dynamic: false
 linter:
   rules:
-    avoid_renaming_method_parameters: true
-    avoid_returning_null_for_future: true
-    avoid_returning_null_for_void: true
-    avoid_returning_this: true
+    avoid_print: false
+
+    always_declare_return_types: true
+    avoid_dynamic_calls: true
+    avoid_escaping_inner_quotes: true
     avoid_setters_without_getters: true
-    await_only_futures: true
-    camel_case_types: true
-    cancel_subscriptions: true
+    cast_nullable_to_non_nullable: 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
-    non_constant_identifier_names: true
+    no_default_cases: true
+    omit_local_variable_types: true
     only_throw_errors: true
-    overridden_fields: true
-    prefer_inlined_adds: true
     prefer_interpolation_to_compose_strings: true
-    prefer_null_aware_operators: true
-    prefer_relative_imports: true
-    prefer_typing_uninitialized_variables: true
+    prefer_single_quotes: true
+    sort_child_properties_last: true
     sort_pub_dependencies: true
     test_types_in_equals: true
-    unnecessary_brace_in_string_interps: true
-    unnecessary_getters_setters: true
+    unawaited_futures: true
     unnecessary_parenthesis: true
     unnecessary_statements: true
-    use_function_type_syntax_for_parameters: true
-    void_checks: true
+    unsafe_html: true
+    use_raw_strings: true

example/README.md

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

example/android/.gitignore

@@ -5,3 +5,9 @@ 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 Exception("Flutter SDK not found. Define location with flutter.sdk in the local.properties file.")
+    throw new GradleException("Flutter SDK not found. Define location with flutter.sdk in the local.properties file.")
 }
 
 def flutterVersionCode = localProperties.getProperty('flutter.versionCode')
@@ -26,23 +26,28 @@ apply plugin: 'kotlin-android'
 apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
 
 android {
-    compileSdkVersion 28
+    compileSdkVersion flutter.compileSdkVersion
+
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+
+    kotlinOptions {
+        jvmTarget = '1.8'
+    }
 
     sourceSets {
         main.java.srcDirs += 'src/main/kotlin'
     }
 
-    lintOptions {
-        disable 'InvalidPackage'
-    }
-
     defaultConfig {
-        applicationId "com.github.xvrh.lottie.sample"
-        minSdkVersion 16
-        targetSdkVersion 28
+        // 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
         versionCode flutterVersionCode.toInteger()
         versionName flutterVersionName
-        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }
 
     buildTypes {
@@ -60,7 +65,4 @@ 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.sample">
+    package="com.github.xvrh.lottie.example">
     <!-- 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

@@ -1,21 +1,25 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    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"
+    package="com.github.xvrh.lottie.example">
+   <application
         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

@@ -0,0 +1,6 @@
+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

@@ -1,12 +0,0 @@
-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

@@ -0,0 +1,12 @@
+<?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

@@ -0,0 +1,18 @@
+<?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

@@ -1,8 +1,18 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
-    <style name="LaunchTheme" parent="@android:style/Theme.Black.NoTitleBar">
+    <!-- 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">
         <!-- 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.sample">
+    package="com.github.xvrh.lottie.example">
     <!-- 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 = '1.3.50'
+    ext.kotlin_version = '1.6.10'
     repositories {
         google()
-        jcenter()
+        mavenCentral()
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.5.0'
+        classpath 'com.android.tools.build:gradle:4.1.0'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }
@@ -14,7 +14,7 @@ buildscript {
 allprojects {
     repositories {
         google()
-        jcenter()
+        mavenCentral()
     }
 }
 

example/android/gradle.properties

@@ -1,4 +1,3 @@
 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-5.6.2-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.7-all.zip

example/android/settings.gradle

@@ -1,15 +1,11 @@
 include ':app'
 
-def flutterProjectRoot = rootProject.projectDir.parentFile.toPath()
+def localPropertiesFile = new File(rootProject.projectDir, "local.properties")
+def properties = new Properties()
 
-def plugins = new Properties()
-def pluginsFile = new File(flutterProjectRoot.toFile(), '.flutter-plugins')
-if (pluginsFile.exists()) {
-    pluginsFile.withReader('UTF-8') { reader -> plugins.load(reader) }
-}
+assert localPropertiesFile.exists()
+localPropertiesFile.withReader("UTF-8") { reader -> properties.load(reader) }
 
-plugins.each { name, path ->
-    def pluginDirectory = flutterProjectRoot.resolve(path).resolve('android').toFile()
-    include ":$name"
-    project(":$name").projectDir = pluginDirectory
-}
+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"

example/assets/Tests/AnimatedShadow.json

@@ -0,0 +1 @@
+{"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

@@ -0,0 +1 @@
+{"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":"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}],"ip":0,"op":121.000004928431,"st":0,"bm":0}],"markers":[]}

example/assets/Tests/GradientFillBlur.json

@@ -0,0 +1 @@
+{"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":"gf","o":{"a":0,"k":100,"ix":10},"r":1,"bm":0,"g":{"p":3,"k":{"a":0,"k":[0,1,0,0,0.5,0.505,0,0.5,1,0.009,0,1],"ix":9}},"s":{"a":0,"k":[-125,0],"ix":5},"e":{"a":0,"k":[100,0],"ix":6},"t":1,"nm":"Gradient Fill 1","mn":"ADBE Vector Graphic - G-Fill","hd":false}],"ip":0,"op":121.000004928431,"st":0,"bm":0}],"markers":[]}

example/assets/Tests/GradientOpacityInterpolation.json

@@ -0,0 +1,87 @@
+{
+  "v": "5.7.1",
+  "fr": 60,
+  "ip": 0,
+  "op": 65,
+  "w": 1056,
+  "h": 1056,
+  "nm": "Animation",
+  "ddd": 0,
+  "assets": [],
+  "layers": [
+    {
+      "ddd": 0,
+      "ind": 1,
+      "ty": 4,
+      "nm": "Shape Layer 3",
+      "sr": 1,
+      "ks": {
+        "o": { "a": 0, "k": 100, "ix": 11 },
+        "r": { "a": 0, "k": 0, "ix": 10 },
+        "p": { "a": 0, "k": [528, 531, 0], "ix": 2 },
+        "a": { "a": 0, "k": [0, 0, 0], "ix": 1 },
+        "s": { "a": 0, "k": [147.368, 147.368, 100], "ix": 6 }
+      },
+      "ao": 0,
+      "shapes": [
+        {
+          "ty": "gr",
+          "it": [
+            {
+              "d": 1,
+              "ty": "el",
+              "s": { "a": 0, "k": [415, 415], "ix": 2 },
+              "p": { "a": 0, "k": [0, 0], "ix": 3 },
+              "nm": "Ellipse Path 1",
+              "mn": "ADBE Vector Shape - Ellipse",
+              "hd": false
+            },
+            {
+              "ty": "gf",
+              "o": { "a": 0, "k": 55, "ix": 10 },
+              "r": 1,
+              "bm": 0,
+              "g": {
+                "p": 3,
+                "k": {
+                  "a": 0,
+                  "k": [0, 0.969, 0.514, 0.745, 0.116, 0.984, 0.537, 0.373, 1, 1, 0.559, 0, 0.607, 0, 0.776, 0.5, 0.945, 1],
+                  "ix": 9
+                }
+              },
+              "s": { "a": 0, "k": [-206.344, -144.451], "ix": 5 },
+              "e": { "a": 0, "k": [173.147, 192.356], "ix": 6 },
+              "t": 1,
+              "nm": "Gradient Fill 9",
+              "mn": "ADBE Vector Graphic - G-Fill",
+              "hd": false
+            },
+            {
+              "ty": "tr",
+              "p": { "a": 0, "k": [1.141, 0.406], "ix": 2 },
+              "a": { "a": 0, "k": [-5, -39], "ix": 1 },
+              "s": { "a": 0, "k": [105.082, 105.082], "ix": 3 },
+              "r": { "a": 0, "k": -5.052, "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": "Group 1",
+          "np": 9,
+          "cix": 2,
+          "bm": 0,
+          "ix": 1,
+          "mn": "ADBE Vector Group",
+          "hd": false
+        }
+      ],
+      "ip": -6,
+      "op": 69,
+      "st": 1.2,
+      "bm": 0
+    }
+  ],
+  "markers": []
+}

example/assets/Tests/GradientStrokeBlur.json

@@ -0,0 +1 @@
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example/assets/Tests/Rect1.json

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example/assets/Tests/Rect3.json

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example/assets/Tests/Rect4.json

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example/assets/Tests/Rect5.json

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example/assets/Tests/Rect6.json

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example/assets/Tests/Rect7.json

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example/assets/Tests/Rect9.json

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example/assets/Tests/ReversedStar.json

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example/assets/Tests/RoundedCorners.json

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example/assets/Tests/StaticShadow.json

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example/assets/Tests/StrokeBlur.json

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example/assets/Tests/TimeStretchPrecomp2.json

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+            608.016,
+            829.202,
+            0
+          ],
+          "ix": 1
+        },
+        "s": {
+          "a": 0,
+          "k": [
+            100,
+            100,
+            100
+          ],
+          "ix": 6
+        }
+      },
+      "ao": 0,
+      "ip": 0,
+      "op": 250,
+      "st": 0,
+      "bm": 0
+    },
+    {
+      "ddd": 0,
+      "ind": 7,
+      "ty": 2,
+      "nm": "F Foot",
+      "parent": 6,
+      "refId": "image_5",
+      "sr": 1,
+      "ks": {
+        "o": {
+          "a": 0,
+          "k": 100,
+          "ix": 11
+        },
+        "r": {
+          "a": 0,
+          "k": 0,
+          "ix": 10
+        },
+        "p": {
+          "a": 0,
+          "k": [
+            608.863,
+            1058.742,
+            0
+          ],
+          "ix": 2
+        },
+        "a": {
+          "a": 0,
+          "k": [
+            608.863,
+            1058.742,
+            0
+          ],
+          "ix": 1
+        },
+        "s": {
+          "a": 0,
+          "k": [
+            100,
+            100,
+            100
+          ],
+          "ix": 6
+        }
+      },
+      "ao": 0,
+      "ip": 0,
+      "op": 250,
+      "st": 0,
+      "bm": 0
+    },
+    {
+      "ddd": 0,
+      "ind": 8,
+      "ty": 2,
+      "nm": "Body",
+      "parent": 11,
+      "refId": "image_6",
+      "sr": 1,
+      "ks": {
+        "o": {
+          "a": 0,
+          "k": 100,
+          "ix": 11
+        },
+        "r": {
+          "a": 0,
+          "k": 0,
+          "ix": 10
+        },
+        "p": {
+          "a": 0,
+          "k": [
+            605.434,
+            468.468,
+            0
+          ],
+          "ix": 2
+        },
+        "a": {
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+          "k": [
+            605.434,
+            468.468,
+            0
+          ],
+          "ix": 1
+        },
+        "s": {
+          "a": 0,
+          "k": [
+            100,
+            100,
+            100
+          ],
+          "ix": 6
+        }
+      },
+      "ao": 0,
+      "ip": 0,
+      "op": 250,
+      "st": 0,
+      "bm": 0
+    },
+    {
+      "ddd": 0,
+      "ind": 9,
+      "ty": 2,
+      "nm": "Head",
+      "parent": 8,
+      "refId": "image_7",
+      "sr": 1,
+      "ks": {
+        "o": {
+          "a": 0,
+          "k": 100,
+          "ix": 11
+        },
+        "r": {
+          "a": 0,
+          "k": 0,
+          "ix": 10
+        },
+        "p": {
+          "a": 0,
+          "k": [
+            623.019,
+            263.511,
+            0
+          ],
+          "ix": 2
+        },
+        "a": {
+          "a": 0,
+          "k": [
+            623.019,
+            263.511,
+            0
+          ],
+          "ix": 1
+        },
+        "s": {
+          "a": 0,
+          "k": [
+            100,
+            100,
+            100
+          ],
+          "ix": 6
+        }
+      },
+      "ao": 0,
+      "ip": 0,
+      "op": 250,
+      "st": 0,
+      "bm": 0
+    },
+    {
+      "ddd": 0,
+      "ind": 10,
+      "ty": 2,
+      "nm": "Hair",
+      "parent": 9,
+      "refId": "image_8",
+      "sr": 1,
+      "ks": {
+        "o": {
+          "a": 0,
+          "k": 100,
+          "ix": 11
+        },
+        "r": {
+          "a": 0,
+          "k": 0,
+          "ix": 10
+        },
+        "p": {
+          "a": 0,
+          "k": [
+            600,
+            600,
+            0
+          ],
+          "ix": 2
+        },
+        "a": {
+          "a": 0,
+          "k": [
+            600,
+            600,
+            0
+          ],
+          "ix": 1
+        },
+        "s": {
+          "a": 0,
+          "k": [
+            100,
+            100,
+            100
+          ],
+          "ix": 6
+        }
+      },
+      "ao": 0,
+      "ip": 0,
+      "op": 250,
+      "st": 0,
+      "bm": 0
+    },
+    {
+      "ddd": 0,
+      "ind": 11,
+      "ty": 2,
+      "nm": "Waist",
+      "refId": "image_9",
+      "sr": 1,
+      "ks": {
+        "o": {
+          "a": 0,
+          "k": 100,
+          "ix": 11
+        },
+        "r": {
+          "a": 1,
+          "k": [
+            {
+              "i": {
+                "x": [
+                  0.333
+                ],
+                "y": [
+                  1
+                ]
+              },
+              "o": {
+                "x": [
+                  0.667
+                ],
+                "y": [
+                  0
+                ]
+              },
+              "t": 0,
+              "s": [
+                0
+              ]
+            },
+            {
+              "i": {
+                "x": [
+                  0.333
+                ],
+                "y": [
+                  1
+                ]
+              },
+              "o": {
+                "x": [
+                  0.667
+                ],
+                "y": [
+                  0
+                ]
+              },
+              "t": 25,
+              "s": [
+                -70
+              ]
+            },
+            {
+              "t": 50,
+              "s": [
+                0
+              ]
+            }
+          ],
+          "ix": 10
+        },
+        "p": {
+          "a": 0,
+          "k": [
+            604.854,
+            589.662,
+            0
+          ],
+          "ix": 2
+        },
+        "a": {
+          "a": 0,
+          "k": [
+            604.854,
+            589.662,
+            0
+          ],
+          "ix": 1
+        },
+        "s": {
+          "a": 0,
+          "k": [
+            100,
+            100,
+            100
+          ],
+          "ix": 6
+        }
+      },
+      "ao": 0,
+      "ip": 0,
+      "op": 250,
+      "st": 0,
+      "bm": 0
+    }
+  ],
+  "markers": [
+    {
+      "tm": 25,
+      "cm": "9",
+      "dr": 0
+    }
+  ]
+}

example/assets/example_with_images/images/img_0.svg

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Generator: Adobe Illustrator 24.1.2, SVG Export Plug-In . SVG Version: 6.00 Build 0)  -->
+<svg version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
+	 viewBox="0 0 1200 1200" style="enable-background:new 0 0 1200 1200;" xml:space="preserve">
+<style type="text/css">
+	.st0{fill:#FFA913;}
+</style>
+<path class="st0" d="M641.59,439.11l7.69-142.38c0-14.5-11.76-26.26-26.26-26.26c-14.5,0-26.26,11.76-26.26,26.26l7.69,142.38
+	c0,10.26,8.31,18.57,18.57,18.57C633.28,457.68,641.59,449.37,641.59,439.11z"/>
+</svg>

example/ios/Flutter/Debug.xcconfig

@@ -1 +1,3 @@
+#include? "Pods/Target Support Files/Pods-Runner/Pods-Runner.debug.xcconfig"
+#include "Pods/Target Support Files/Pods-Runner/Pods-Runner.debug.xcconfig"
 #include "Generated.xcconfig"

example/ios/Flutter/Release.xcconfig

@@ -1 +1,3 @@
+#include? "Pods/Target Support Files/Pods-Runner/Pods-Runner.release.xcconfig"
+#include "Pods/Target Support Files/Pods-Runner/Pods-Runner.release.xcconfig"
 #include "Generated.xcconfig"

example/ios/Podfile

@@ -0,0 +1,87 @@
+# Uncomment this line to define a global platform for your project
+# platform :ios, '9.0'
+
+# CocoaPods analytics sends network stats synchronously affecting flutter build latency.
+ENV['COCOAPODS_DISABLE_STATS'] = 'true'
+
+project 'Runner', {
+  'Debug' => :debug,
+  'Profile' => :release,
+  'Release' => :release,
+}
+
+def parse_KV_file(file, separator='=')
+  file_abs_path = File.expand_path(file)
+  if !File.exists? file_abs_path
+    return [];
+  end
+  generated_key_values = {}
+  skip_line_start_symbols = ["#", "/"]
+  File.foreach(file_abs_path) do |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)
+      generated_key_values[podname] = podpath
+    else
+      puts "Invalid plugin specification: #{line}"
+    end
+  end
+  generated_key_values
+end
+
+target 'Runner' do
+  use_frameworks!
+  use_modular_headers!
+
+  # Flutter Pod
+
+  copied_flutter_dir = File.join(__dir__, 'Flutter')
+  copied_framework_path = File.join(copied_flutter_dir, 'Flutter.framework')
+  copied_podspec_path = File.join(copied_flutter_dir, 'Flutter.podspec')
+  unless File.exist?(copied_framework_path) && File.exist?(copied_podspec_path)
+    # Copy Flutter.framework and Flutter.podspec to Flutter/ to have something to link against if the xcode backend script has not run yet.
+    # That script will copy the correct debug/profile/release version of the framework based on the currently selected Xcode configuration.
+    # CocoaPods will not embed the framework on pod install (before any build phases can generate) if the dylib does not exist.
+
+    generated_xcode_build_settings_path = File.join(copied_flutter_dir, 'Generated.xcconfig')
+    unless File.exist?(generated_xcode_build_settings_path)
+      raise "Generated.xcconfig must exist. If you're running pod install manually, make sure flutter pub get is executed first"
+    end
+    generated_xcode_build_settings = parse_KV_file(generated_xcode_build_settings_path)
+    cached_framework_dir = generated_xcode_build_settings['FLUTTER_FRAMEWORK_DIR'];
+
+    unless File.exist?(copied_framework_path)
+      FileUtils.cp_r(File.join(cached_framework_dir, 'Flutter.framework'), copied_flutter_dir)
+    end
+    unless File.exist?(copied_podspec_path)
+      FileUtils.cp(File.join(cached_framework_dir, 'Flutter.podspec'), copied_flutter_dir)
+    end
+  end
+
+  # Keep pod path relative so it can be checked into Podfile.lock.
+  pod 'Flutter', :path => 'Flutter'
+
+  # Plugin Pods
+
+  # Prepare symlinks folder. We use symlinks to avoid having Podfile.lock
+  # referring to absolute paths on developers' machines.
+  system('rm -rf .symlinks')
+  system('mkdir -p .symlinks/plugins')
+  plugin_pods = parse_KV_file('../.flutter-plugins')
+  plugin_pods.each do |name, path|
+    symlink = File.join('.symlinks', 'plugins', name)
+    File.symlink(path, symlink)
+    pod name, :path => File.join(symlink, 'ios')
+  end
+end
+
+post_install do |installer|
+  installer.pods_project.targets.each do |target|
+    target.build_configurations.each do |config|
+      config.build_settings['ENABLE_BITCODE'] = 'NO'
+    end
+  end
+end

example/ios/Podfile.lock

@@ -0,0 +1,28 @@
+PODS:
+  - Flutter (1.0.0)
+  - path_provider (0.0.1):
+    - Flutter
+  - path_provider_macos (0.0.1):
+    - Flutter
+
+DEPENDENCIES:
+  - Flutter (from `Flutter`)
+  - path_provider (from `.symlinks/plugins/path_provider/ios`)
+  - path_provider_macos (from `.symlinks/plugins/path_provider_macos/ios`)
+
+EXTERNAL SOURCES:
+  Flutter:
+    :path: Flutter
+  path_provider:
+    :path: ".symlinks/plugins/path_provider/ios"
+  path_provider_macos:
+    :path: ".symlinks/plugins/path_provider_macos/ios"
+
+SPEC CHECKSUMS:
+  Flutter: 0e3d915762c693b495b44d77113d4970485de6ec
+  path_provider: fb74bd0465e96b594bb3b5088ee4a4e7bb1f2a9d
+  path_provider_macos: f760a3c5b04357c380e2fddb6f9db6f3015897e0
+
+PODFILE CHECKSUM: c34e2287a9ccaa606aeceab922830efb9a6ff69a
+
+COCOAPODS: 1.9.1

example/ios/Runner.xcodeproj/project.pbxproj

@@ -9,11 +9,8 @@
 /* Begin PBXBuildFile section */
 		1498D2341E8E89220040F4C2 /* GeneratedPluginRegistrant.m in Sources */ = {isa = PBXBuildFile; fileRef = 1498D2331E8E89220040F4C2 /* GeneratedPluginRegistrant.m */; };
 		3B3967161E833CAA004F5970 /* AppFrameworkInfo.plist in Resources */ = {isa = PBXBuildFile; fileRef = 3B3967151E833CAA004F5970 /* AppFrameworkInfo.plist */; };
-		3B80C3941E831B6300D905FE /* App.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 3B80C3931E831B6300D905FE /* App.framework */; };
-		3B80C3951E831B6300D905FE /* App.framework in Embed Frameworks */ = {isa = PBXBuildFile; fileRef = 3B80C3931E831B6300D905FE /* App.framework */; settings = {ATTRIBUTES = (CodeSignOnCopy, RemoveHeadersOnCopy, ); }; };
+		4E7FB8175FD7E724C16AD66F /* Pods_Runner.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 3978ECE970E899926A99EA4E /* Pods_Runner.framework */; };
 		74858FAF1ED2DC5600515810 /* AppDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = 74858FAE1ED2DC5600515810 /* AppDelegate.swift */; };
-		9705A1C61CF904A100538489 /* Flutter.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 9740EEBA1CF902C7004384FC /* Flutter.framework */; };
-		9705A1C71CF904A300538489 /* Flutter.framework in Embed Frameworks */ = {isa = PBXBuildFile; fileRef = 9740EEBA1CF902C7004384FC /* Flutter.framework */; settings = {ATTRIBUTES = (CodeSignOnCopy, RemoveHeadersOnCopy, ); }; };
 		97C146FC1CF9000F007C117D /* Main.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 97C146FA1CF9000F007C117D /* Main.storyboard */; };
 		97C146FE1CF9000F007C117D /* Assets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = 97C146FD1CF9000F007C117D /* Assets.xcassets */; };
 		97C147011CF9000F007C117D /* LaunchScreen.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 97C146FF1CF9000F007C117D /* LaunchScreen.storyboard */; };
@@ -26,8 +23,6 @@
 			dstPath = "";
 			dstSubfolderSpec = 10;
 			files = (
-				3B80C3951E831B6300D905FE /* App.framework in Embed Frameworks */,
-				9705A1C71CF904A300538489 /* Flutter.framework in Embed Frameworks */,
 			);
 			name = "Embed Frameworks";
 			runOnlyForDeploymentPostprocessing = 0;
@@ -37,14 +32,16 @@
 /* Begin PBXFileReference section */
 		1498D2321E8E86230040F4C2 /* GeneratedPluginRegistrant.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = GeneratedPluginRegistrant.h; sourceTree = "<group>"; };
 		1498D2331E8E89220040F4C2 /* GeneratedPluginRegistrant.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = GeneratedPluginRegistrant.m; sourceTree = "<group>"; };
+		1B497423C23FD55DD0B8C378 /* Pods-Runner.debug.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-Runner.debug.xcconfig"; path = "Target Support Files/Pods-Runner/Pods-Runner.debug.xcconfig"; sourceTree = "<group>"; };
+		31ACBCF01D379565237D9814 /* Pods-Runner.release.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-Runner.release.xcconfig"; path = "Target Support Files/Pods-Runner/Pods-Runner.release.xcconfig"; sourceTree = "<group>"; };
+		3978ECE970E899926A99EA4E /* Pods_Runner.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; includeInIndex = 0; path = Pods_Runner.framework; sourceTree = BUILT_PRODUCTS_DIR; };
 		3B3967151E833CAA004F5970 /* AppFrameworkInfo.plist */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.plist.xml; name = AppFrameworkInfo.plist; path = Flutter/AppFrameworkInfo.plist; sourceTree = "<group>"; };
-		3B80C3931E831B6300D905FE /* App.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = App.framework; path = Flutter/App.framework; sourceTree = "<group>"; };
+		5A699D4B67473B61D811D350 /* Pods-Runner.profile.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-Runner.profile.xcconfig"; path = "Target Support Files/Pods-Runner/Pods-Runner.profile.xcconfig"; sourceTree = "<group>"; };
 		74858FAD1ED2DC5600515810 /* Runner-Bridging-Header.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = "Runner-Bridging-Header.h"; sourceTree = "<group>"; };
 		74858FAE1ED2DC5600515810 /* AppDelegate.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = AppDelegate.swift; sourceTree = "<group>"; };
 		7AFA3C8E1D35360C0083082E /* Release.xcconfig */ = {isa = PBXFileReference; lastKnownFileType = text.xcconfig; name = Release.xcconfig; path = Flutter/Release.xcconfig; sourceTree = "<group>"; };
 		9740EEB21CF90195004384FC /* Debug.xcconfig */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.xcconfig; name = Debug.xcconfig; path = Flutter/Debug.xcconfig; sourceTree = "<group>"; };
 		9740EEB31CF90195004384FC /* Generated.xcconfig */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.xcconfig; name = Generated.xcconfig; path = Flutter/Generated.xcconfig; sourceTree = "<group>"; };
-		9740EEBA1CF902C7004384FC /* Flutter.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = Flutter.framework; path = Flutter/Flutter.framework; sourceTree = "<group>"; };
 		97C146EE1CF9000F007C117D /* Runner.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = Runner.app; sourceTree = BUILT_PRODUCTS_DIR; };
 		97C146FB1CF9000F007C117D /* Base */ = {isa = PBXFileReference; lastKnownFileType = file.storyboard; name = Base; path = Base.lproj/Main.storyboard; sourceTree = "<group>"; };
 		97C146FD1CF9000F007C117D /* Assets.xcassets */ = {isa = PBXFileReference; lastKnownFileType = folder.assetcatalog; path = Assets.xcassets; sourceTree = "<group>"; };
@@ -57,20 +54,36 @@
 			isa = PBXFrameworksBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
-				9705A1C61CF904A100538489 /* Flutter.framework in Frameworks */,
-				3B80C3941E831B6300D905FE /* App.framework in Frameworks */,
+				4E7FB8175FD7E724C16AD66F /* Pods_Runner.framework in Frameworks */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
 /* End PBXFrameworksBuildPhase section */
 
 /* Begin PBXGroup section */
+		14B9AAB3E57437F7B9E442AA /* Pods */ = {
+			isa = PBXGroup;
+			children = (
+				1B497423C23FD55DD0B8C378 /* Pods-Runner.debug.xcconfig */,
+				31ACBCF01D379565237D9814 /* Pods-Runner.release.xcconfig */,
+				5A699D4B67473B61D811D350 /* Pods-Runner.profile.xcconfig */,
+			);
+			name = Pods;
+			path = Pods;
+			sourceTree = "<group>";
+		};
+		3E6BFE152BA6E928D3C57CB7 /* Frameworks */ = {
+			isa = PBXGroup;
+			children = (
+				3978ECE970E899926A99EA4E /* Pods_Runner.framework */,
+			);
+			name = Frameworks;
+			sourceTree = "<group>";
+		};
 		9740EEB11CF90186004384FC /* Flutter */ = {
 			isa = PBXGroup;
 			children = (
-				3B80C3931E831B6300D905FE /* App.framework */,
 				3B3967151E833CAA004F5970 /* AppFrameworkInfo.plist */,
-				9740EEBA1CF902C7004384FC /* Flutter.framework */,
 				9740EEB21CF90195004384FC /* Debug.xcconfig */,
 				7AFA3C8E1D35360C0083082E /* Release.xcconfig */,
 				9740EEB31CF90195004384FC /* Generated.xcconfig */,
@@ -84,6 +97,8 @@
 				9740EEB11CF90186004384FC /* Flutter */,
 				97C146F01CF9000F007C117D /* Runner */,
 				97C146EF1CF9000F007C117D /* Products */,
+				14B9AAB3E57437F7B9E442AA /* Pods */,
+				3E6BFE152BA6E928D3C57CB7 /* Frameworks */,
 			);
 			sourceTree = "<group>";
 		};
@@ -125,12 +140,14 @@
 			isa = PBXNativeTarget;
 			buildConfigurationList = 97C147051CF9000F007C117D /* Build configuration list for PBXNativeTarget "Runner" */;
 			buildPhases = (
+				43690862AB1C8D2C663E62A1 /* [CP] Check Pods Manifest.lock */,
 				9740EEB61CF901F6004384FC /* Run Script */,
 				97C146EA1CF9000F007C117D /* Sources */,
 				97C146EB1CF9000F007C117D /* Frameworks */,
 				97C146EC1CF9000F007C117D /* Resources */,
 				9705A1C41CF9048500538489 /* Embed Frameworks */,
 				3B06AD1E1E4923F5004D2608 /* Thin Binary */,
+				DA3E0E6397CD983DB6281FAB /* [CP] Embed Pods Frameworks */,
 			);
 			buildRules = (
 			);
@@ -202,7 +219,29 @@
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 			shellPath = /bin/sh;
-			shellScript = "/bin/sh \"$FLUTTER_ROOT/packages/flutter_tools/bin/xcode_backend.sh\" thin";
+			shellScript = "/bin/sh \"$FLUTTER_ROOT/packages/flutter_tools/bin/xcode_backend.sh\" embed_and_thin";
+		};
+		43690862AB1C8D2C663E62A1 /* [CP] Check Pods Manifest.lock */ = {
+			isa = PBXShellScriptBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+			);
+			inputFileListPaths = (
+			);
+			inputPaths = (
+				"${PODS_PODFILE_DIR_PATH}/Podfile.lock",
+				"${PODS_ROOT}/Manifest.lock",
+			);
+			name = "[CP] Check Pods Manifest.lock";
+			outputFileListPaths = (
+			);
+			outputPaths = (
+				"$(DERIVED_FILE_DIR)/Pods-Runner-checkManifestLockResult.txt",
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+			shellPath = /bin/sh;
+			shellScript = "diff \"${PODS_PODFILE_DIR_PATH}/Podfile.lock\" \"${PODS_ROOT}/Manifest.lock\" > /dev/null\nif [ $? != 0 ] ; then\n    # print error to STDERR\n    echo \"error: The sandbox is not in sync with the Podfile.lock. Run 'pod install' or update your CocoaPods installation.\" >&2\n    exit 1\nfi\n# This output is used by Xcode 'outputs' to avoid re-running this script phase.\necho \"SUCCESS\" > \"${SCRIPT_OUTPUT_FILE_0}\"\n";
+			showEnvVarsInLog = 0;
 		};
 		9740EEB61CF901F6004384FC /* Run Script */ = {
 			isa = PBXShellScriptBuildPhase;
@@ -218,6 +257,26 @@
 			shellPath = /bin/sh;
 			shellScript = "/bin/sh \"$FLUTTER_ROOT/packages/flutter_tools/bin/xcode_backend.sh\" build";
 		};
+		DA3E0E6397CD983DB6281FAB /* [CP] Embed Pods Frameworks */ = {
+			isa = PBXShellScriptBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+			);
+			inputPaths = (
+				"${PODS_ROOT}/Target Support Files/Pods-Runner/Pods-Runner-frameworks.sh",
+				"${PODS_ROOT}/../Flutter/Flutter.framework",
+				"${BUILT_PRODUCTS_DIR}/path_provider/path_provider.framework",
+			);
+			name = "[CP] Embed Pods Frameworks";
+			outputPaths = (
+				"${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/Flutter.framework",
+				"${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/path_provider.framework",
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+			shellPath = /bin/sh;
+			shellScript = "\"${PODS_ROOT}/Target Support Files/Pods-Runner/Pods-Runner-frameworks.sh\"\n";
+			showEnvVarsInLog = 0;
+		};
 /* End PBXShellScriptBuildPhase section */
 
 /* Begin PBXSourcesBuildPhase section */

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

@@ -0,0 +1,8 @@
+<?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

@@ -0,0 +1,8 @@
+<?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/contents.xcworkspacedata

@@ -4,4 +4,7 @@
    <FileRef
       location = "group:Runner.xcodeproj">
    </FileRef>
+   <FileRef
+      location = "group:Pods/Pods.xcodeproj">
+   </FileRef>
 </Workspace>

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

@@ -0,0 +1,8 @@
+<?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

@@ -0,0 +1,49 @@
+import 'package:flutter/material.dart';
+import 'package:flutter/scheduler.dart';
+import 'package:lottie/lottie.dart';
+
+void main() => runApp(const App());
+
+class App extends StatelessWidget {
+  const App({Key? key}) : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    return MaterialApp(
+      home: Scaffold(body: _Page()),
+    );
+  }
+}
+
+class _Page extends StatefulWidget {
+  @override
+  __PageState createState() => __PageState();
+}
+
+class __PageState extends State<_Page> {
+  @override
+  void initState() {
+    super.initState();
+
+    SchedulerBinding.instance.addPostFrameCallback((_) => _showLoader());
+  }
+
+  void _showLoader() {
+    showDialog<void>(
+      context: context,
+      builder: (context) => Center(
+        child: Lottie.network(
+          'https://assets10.lottiefiles.com/datafiles/QeC7XD39x4C1CIj/data.json',
+          fit: BoxFit.contain,
+          width: 200,
+          height: 200,
+        ),
+      ),
+    );
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return const Center();
+  }
+}

example/lib/examples/animate_no_repeat.dart

@@ -2,26 +2,18 @@ import 'package:flutter/material.dart';
 import 'package:lottie/lottie.dart';
 
 void main() async {
-  runApp(App());
+  runApp(const App());
 }
 
-class App extends StatefulWidget {
-  const App({Key key}) : super(key: key);
+class App extends StatelessWidget {
+  const App({Key? key}) : super(key: key);
 
-  @override
-  _AppState createState() => _AppState();
-}
-
-class _AppState extends State<App> with TickerProviderStateMixin {
   @override
   Widget build(BuildContext context) {
     return MaterialApp(
       color: Colors.lightBlue,
       home: Scaffold(
         backgroundColor: Colors.lightBlue,
-        appBar: AppBar(
-          title: Text(''),
-        ),
         body: Center(
           child: SizedBox(
             width: 300,

example/lib/examples/animation_controller.dart

@@ -1,15 +1,17 @@
 import 'package:flutter/material.dart';
 import 'package:lottie/lottie.dart';
 
-void main() => runApp(MyApp());
+void main() => runApp(const MyApp());
 
 class MyApp extends StatefulWidget {
+  const MyApp({Key? key}) : super(key: key);
+
   @override
-  _MyAppState createState() => _MyAppState();
+  State<MyApp> createState() => _MyAppState();
 }
 
 class _MyAppState extends State<MyApp> with TickerProviderStateMixin {
-  AnimationController _controller;
+  late final AnimationController _controller;
 
   @override
   void initState() {
@@ -30,8 +32,8 @@ class _MyAppState extends State<MyApp> with TickerProviderStateMixin {
       home: Scaffold(
         body: ListView(
           children: [
-            Lottie.network(
-              'https://raw.githubusercontent.com/xvrh/lottie-flutter/master/example/assets/Mobilo/C.json',
+            Lottie.asset(
+              'assets/LottieLogo1.json',
               controller: _controller,
               onLoaded: (composition) {
                 // Configure the AnimationController with the duration of the

example/lib/examples/animation_full_control.dart

@@ -0,0 +1,111 @@
+import 'package:flutter/material.dart';
+import 'package:lottie/lottie.dart';
+
+/// This example show how to play the Lottie animation in various way:
+/// - Start and stop the animation on event callback
+/// - Play the animation forward and backward
+/// - Loop between two specific frames
+///
+/// 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());
+
+class MyApp extends StatefulWidget {
+  const MyApp({Key? key}) : super(key: key);
+
+  @override
+  State<MyApp> createState() => _MyAppState();
+}
+
+class _MyAppState extends State<MyApp> with TickerProviderStateMixin {
+  late final AnimationController _controller;
+
+  @override
+  void initState() {
+    super.initState();
+
+    _controller = AnimationController(vsync: this)
+      ..value = 0.5
+      ..addListener(() {
+        setState(() {
+          // Rebuild the widget at each frame to update the "progress" label.
+        });
+      });
+  }
+
+  @override
+  void dispose() {
+    _controller.dispose();
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return MaterialApp(
+      home: Scaffold(
+        appBar: AppBar(
+          title: const Text('Animation control'),
+        ),
+        body: Column(
+          children: <Widget>[
+            const SizedBox(height: 20),
+            Lottie.asset(
+              'assets/LottieLogo1.json',
+              controller: _controller,
+              height: 300,
+              onLoaded: (composition) {
+                setState(() {
+                  _controller.duration = composition.duration;
+                });
+              },
+            ),
+            Text(_controller.value.toStringAsFixed(2)),
+            Row(
+              mainAxisAlignment: MainAxisAlignment.center,
+              children: [
+                // Play backward
+                IconButton(
+                  icon: const Icon(Icons.arrow_left),
+                  onPressed: () {
+                    _controller.reverse();
+                  },
+                ),
+                // Pause
+                IconButton(
+                  icon: const Icon(Icons.pause),
+                  onPressed: () {
+                    _controller.stop();
+                  },
+                ),
+                // Play forward
+                IconButton(
+                  icon: const Icon(Icons.arrow_right),
+                  onPressed: () {
+                    _controller.forward();
+                  },
+                ),
+              ],
+            ),
+            const SizedBox(height: 30),
+            ElevatedButton(
+              onPressed: () {
+                // Loop between 2 specifics frames
+
+                var start = 0.1;
+                var stop = 0.5;
+                _controller.repeat(
+                  min: start,
+                  max: stop,
+                  reverse: true,
+                  period: _controller.duration! * (stop - start),
+                );
+              },
+              child: const Text('Loop between frames'),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+}

example/lib/examples/blur.dart

@@ -0,0 +1,30 @@
+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

@@ -1,14 +1,15 @@
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
-import 'package:flutter/widgets.dart';
 import 'package:lottie/lottie.dart';
 
-void main() => runApp(MyApp());
+void main() => runApp(const MyApp());
 
 class MyApp extends StatelessWidget {
+  const MyApp({Key? key}) : super(key: key);
+
   @override
   Widget build(BuildContext context) {
-    return MaterialApp(
+    return const MaterialApp(
       home: Scaffold(
         body: MyWidget(),
       ),
@@ -17,12 +18,14 @@ class MyApp extends StatelessWidget {
 }
 
 class MyWidget extends StatefulWidget {
+  const MyWidget({Key? key}) : super(key: key);
+
   @override
-  _MyWidgetState createState() => _MyWidgetState();
+  State<MyWidget> createState() => _MyWidgetState();
 }
 
 class _MyWidgetState extends State<MyWidget> {
-  Future<LottieComposition> _composition;
+  late final Future<LottieComposition> _composition;
 
   @override
   void initState() {
@@ -46,7 +49,7 @@ class _MyWidgetState extends State<MyWidget> {
         if (composition != null) {
           return CustomDrawer(composition);
         } else {
-          return Center(child: CircularProgressIndicator());
+          return const Center(child: CircularProgressIndicator());
         }
       },
     );
@@ -57,26 +60,25 @@ class _MyWidgetState extends State<MyWidget> {
 class CustomDrawer extends StatelessWidget {
   final LottieComposition composition;
 
-  const CustomDrawer(this.composition, {Key key}) : super(key: key);
+  const CustomDrawer(this.composition, {Key? key}) : super(key: key);
 
   @override
   Widget build(BuildContext context) {
     return CustomPaint(
       painter: _Painter(composition),
-      size: Size(400, 400),
+      size: const Size(400, 400),
     );
   }
 }
 
 class _Painter extends CustomPainter {
-  final LottieComposition composition;
+  final LottieDrawable drawable;
 
-  _Painter(this.composition);
+  _Painter(LottieComposition composition)
+      : drawable = LottieDrawable(composition);
 
   @override
   void paint(Canvas canvas, Size size) {
-    var drawable = LottieDrawable(composition);
-
     var frameCount = 40;
     var columns = 10;
     for (var i = 0; i < frameCount; i++) {

example/lib/examples/custom_load.dart

@@ -1,14 +1,15 @@
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
-import 'package:flutter/widgets.dart';
 import 'package:lottie/lottie.dart';
 
-void main() => runApp(MyApp());
+void main() => runApp(const MyApp());
 
 class MyApp extends StatelessWidget {
+  const MyApp({Key? key}) : super(key: key);
+
   @override
   Widget build(BuildContext context) {
-    return MaterialApp(
+    return const MaterialApp(
       home: Scaffold(
         body: MyWidget(),
       ),
@@ -18,12 +19,14 @@ class MyApp extends StatelessWidget {
 
 //--- example
 class MyWidget extends StatefulWidget {
+  const MyWidget({Key? key}) : super(key: key);
+
   @override
-  _MyWidgetState createState() => _MyWidgetState();
+  State<MyWidget> createState() => _MyWidgetState();
 }
 
 class _MyWidgetState extends State<MyWidget> {
-  Future<LottieComposition> _composition;
+  late final Future<LottieComposition> _composition;
 
   @override
   void initState() {
@@ -46,7 +49,7 @@ class _MyWidgetState extends State<MyWidget> {
         if (composition != null) {
           return Lottie(composition: composition);
         } else {
-          return Center(child: CircularProgressIndicator());
+          return const Center(child: CircularProgressIndicator());
         }
       },
     );

example/lib/examples/drop_shadow.dart

@@ -0,0 +1,35 @@
+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

@@ -1,17 +1,16 @@
-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(App());
+  runApp(const App());
 }
 
 class App extends StatefulWidget {
-  const App({Key key}) : super(key: key);
+  const App({Key? key}) : super(key: key);
 
   @override
-  _AppState createState() => _AppState();
+  State<App> createState() => _AppState();
 }
 
 class _AppState extends State<App> with TickerProviderStateMixin {
@@ -33,7 +32,7 @@ class _AppState extends State<App> with TickerProviderStateMixin {
       home: Scaffold(
         backgroundColor: Colors.white,
         appBar: AppBar(
-          title: Text('Dynamic properties'),
+          title: const Text('Dynamic properties'),
         ),
         body: ListView(
           children: <Widget>[
@@ -50,7 +49,7 @@ class _AppState extends State<App> with TickerProviderStateMixin {
               value: _useDelegates,
               onChanged: (newValue) {
                 setState(() {
-                  _useDelegates = newValue;
+                  _useDelegates = newValue!;
                 });
               },
             ),
@@ -63,7 +62,7 @@ class _AppState extends State<App> with TickerProviderStateMixin {
               },
             ),
             Center(
-              child: Container(
+              child: SizedBox(
                 width: 500,
                 child: ColorPicker(
                   pickerColor: _color,
@@ -72,7 +71,7 @@ class _AppState extends State<App> with TickerProviderStateMixin {
                       _color = newColor;
                     });
                   },
-                  showLabel: false,
+                  labelTypes: const [],
                   enableAlpha: false,
                   pickerAreaHeightPercent: 0.8,
                 ),

example/lib/examples/dynamic_text.dart

@@ -3,18 +3,18 @@ import 'package:flutter/material.dart';
 import 'package:lottie/lottie.dart';
 
 void main() async {
-  runApp(App());
+  runApp(const App());
 }
 
 class App extends StatefulWidget {
-  const App({Key key}) : super(key: key);
+  const App({Key? key}) : super(key: key);
 
   @override
-  _AppState createState() => _AppState();
+  State<App> createState() => _AppState();
 }
 
 class _AppState extends State<App> with TickerProviderStateMixin {
-  TextEditingController _textController;
+  late final TextEditingController _textController;
 
   @override
   void initState() {
@@ -36,7 +36,7 @@ class _AppState extends State<App> with TickerProviderStateMixin {
       home: Scaffold(
         backgroundColor: Colors.white,
         appBar: AppBar(
-          title: Text('Dynamic text'),
+          title: const Text('Dynamic text'),
         ),
         body: Center(
           child: Column(
@@ -54,7 +54,7 @@ class _AppState extends State<App> with TickerProviderStateMixin {
                   ),
                 ),
               ),
-              Container(
+              SizedBox(
                 width: 300,
                 child: CupertinoTextField(
                   controller: _textController,

example/lib/examples/error_builder.dart

@@ -0,0 +1,31 @@
+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

@@ -1,9 +1,11 @@
 import 'package:flutter/material.dart';
 import 'package:lottie/lottie.dart';
 
-void main() => runApp(MyApp());
+void main() => runApp(const 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

@@ -2,18 +2,18 @@ import 'package:flutter/material.dart';
 import 'package:lottie/lottie.dart';
 
 void main() async {
-  runApp(App());
+  runApp(const App());
 }
 
 class App extends StatefulWidget {
-  const App({Key key}) : super(key: key);
+  const App({Key? key}) : super(key: key);
 
   @override
-  _AppState createState() => _AppState();
+  State<App> createState() => _AppState();
 }
 
 class _AppState extends State<App> with TickerProviderStateMixin {
-  AnimationController _animationController;
+  late final AnimationController _animationController;
   bool _showAnimation = true;
 
   @override