Android: Migrate to AndroidX

The Android Support Library is not androidx

https://developer.android.com/jetpack/androidx

This also required me to update each of the dependencies, as the
androidx migrated has resulted in major version changes in most of the
libraries.

android/app/build.gradle

@@ -43,7 +43,7 @@ android {
         targetSdkVersion 28
         versionCode flutterVersionCode.toInteger()
         versionName flutterVersionName
-        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
 
         externalNativeBuild {
             cmake {
@@ -99,19 +99,13 @@ flutter {
 
 dependencies {
     testImplementation 'junit:junit:4.12'
-    androidTestImplementation 'com.android.support.test:runner:1.0.1'
-    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'
+    androidTestImplementation 'androidx.test:runner:1.1.0'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.1.0'
 
     implementation 'com.jcraft:jsch:0.1.54'
 
     // For reading a file to string
     implementation 'commons-io:commons-io:2.5'
-
-    // Check for v11.4.2 or higher
-    implementation 'com.google.firebase:firebase-core:16.0.6'
-
-    // Add dependency
-    implementation 'com.crashlytics.sdk.android:crashlytics:2.9.8'
 }
 
 configurations {

android/build.gradle

@@ -11,8 +11,8 @@ buildscript {
 
     dependencies {
         classpath 'com.android.tools.build:gradle:3.2.1'
-        classpath 'com.google.gms:google-services:4.2.0'
-        classpath 'io.fabric.tools:gradle:1.26.1'
+        classpath 'com.google.gms:google-services:3.2.1'
+        classpath 'io.fabric.tools:gradle:1.+'
     }
 }
 

android/gradle.properties

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

pubspec.lock

@@ -114,7 +114,7 @@ packages:
       name: firebase_analytics
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.2.0+1"
+    version: "3.0.1"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -126,7 +126,7 @@ packages:
       name: flutter_crashlytics
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.2.1+1"
+    version: "1.0.0"
   flutter_driver:
     dependency: "direct dev"
     description: flutter
@@ -253,7 +253,7 @@ packages:
       name: launch_review
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.1"
+    version: "2.0.0"
   markdown:
     dependency: transitive
     description:
@@ -309,7 +309,7 @@ packages:
       name: package_info
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.3.2+1"
+    version: "0.4.0+3"
   package_resolver:
     dependency: transitive
     description:
@@ -386,7 +386,7 @@ packages:
       name: shared_preferences
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.4.3"
+    version: "0.5.2"
   shelf:
     dependency: transitive
     description:
@@ -510,7 +510,7 @@ packages:
       name: uuid
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.3"
+    version: "2.0.1"
   vector_math:
     dependency: transitive
     description:

pubspec.yaml

@@ -6,19 +6,19 @@ dependencies:
   flutter:
     sdk: flutter
   intl: "^0.15.6"
-  path: "^1.5.1"
-  uuid: "^1.0.0"
-  yaml: "^2.1.13"
-  firebase_analytics: ^1.1.0
-  flutter_crashlytics: ^0.2.0
-  shared_preferences: ^0.4.3
-  url_launcher: ^5.0.1
+  path: ^1.6.2
+  uuid: ^2.0.1
+  yaml: ^2.1.15
+  firebase_analytics: ^3.0.1
+  flutter_crashlytics: ^1.0.0
+  shared_preferences: ^0.5.2
+  url_launcher: ^5.0.2
   dots_indicator: ^0.0.3
-  package_info: ^0.3.2+1
+  package_info: ^0.4.0+3
   http: ^0.12.0+1
   badges: ^0.0.6
-  share: ^0.6.0+1
-  launch_review: ^1.0.1
+  share: ^0.6.1+1
+  launch_review: ^2.0.0
   device_info: ^0.4.0+1
   flutter_markdown: ^0.2.0
   flutter_email_sender: ^2.0.2