Fix build issues on Android

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

@@ -24,6 +24,9 @@
             <meta-data
                 android:name="io.flutter.app.android.SplashScreenUntilFirstFrame"
                 android:value="true" />
+            <meta-data
+                android:name="flutterEmbedding"
+                android:value="2" />
             <intent-filter>
                 <action android:name="android.intent.action.MAIN"/>
                 <category android:name="android.intent.category.LAUNCHER"/>

example/android/app/src/main/kotlin/carnegietechnologies/gallery_saver_example/MainActivity.kt

@@ -1,13 +1,13 @@
 package carnegietechnologies.gallery_saver_example
 
-import android.os.Bundle
+import io.flutter.embedding.android.FlutterActivity
+import io.flutter.embedding.engine.FlutterEngine
 
-import io.flutter.app.FlutterActivity
 import io.flutter.plugins.GeneratedPluginRegistrant
 
 class MainActivity: FlutterActivity() {
-  override fun onCreate(savedInstanceState: Bundle?) {
-    super.onCreate(savedInstanceState)
-    GeneratedPluginRegistrant.registerWith(this)
+
+  override fun configureFlutterEngine(flutterEngine: FlutterEngine) {
+    GeneratedPluginRegistrant.registerWith(flutterEngine)
   }
 }

example/lib/main.dart

@@ -37,8 +37,10 @@ class _MyAppState extends State<MyApp> {
                 flex: 1,
                 child: Container(
                   child: SizedBox.expand(
-                    child: RaisedButton(
-                      color: Colors.blue,
+                    child: TextButton(
+                      style: ButtonStyle(
+                        backgroundColor: MaterialStateProperty.all(Colors.blue),
+                      ),
                       onPressed: _takePhoto,
                       child: Text(firstButtonText,
                           style: TextStyle(
@@ -51,8 +53,10 @@ class _MyAppState extends State<MyApp> {
               Flexible(
                 child: Container(
                     child: SizedBox.expand(
-                  child: RaisedButton(
-                    color: Colors.white,
+                  child: TextButton(
+                    style: ButtonStyle(
+                      backgroundColor: MaterialStateProperty.all(Colors.white),
+                    ),
                     onPressed: _recordVideo,
                     child: Text(secondButtonText,
                         style: TextStyle(
@@ -69,8 +73,8 @@ class _MyAppState extends State<MyApp> {
   }
 
   void _takePhoto() async {
-    ImagePicker.pickImage(source: ImageSource.camera)
-        .then((File recordedImage) {
+    ImagePicker().getImage(source: ImageSource.camera)
+        .then((PickedFile recordedImage) {
       if (recordedImage != null && recordedImage.path != null) {
         setState(() {
           firstButtonText = 'saving in progress...';
@@ -86,8 +90,8 @@ class _MyAppState extends State<MyApp> {
   }
 
   void _recordVideo() async {
-    ImagePicker.pickVideo(source: ImageSource.camera)
-        .then((File recordedVideo) {
+    ImagePicker().getVideo(source: ImageSource.camera)
+        .then((PickedFile recordedVideo) {
       if (recordedVideo != null && recordedVideo.path != null) {
         setState(() {
           secondButtonText = 'saving in progress...';
@@ -142,8 +146,10 @@ class _ScreenshotWidgetState extends State<ScreenshotWidget> {
         key: _globalKey,
         child: Container(
           child: SizedBox.expand(
-            child: RaisedButton(
-              color: Colors.pink,
+            child: TextButton(
+              style: ButtonStyle(
+                backgroundColor: MaterialStateProperty.all(Colors.pink),
+              ),
               onPressed: _saveScreenshot,
               child: Text(screenshotButtonText,
                   style: TextStyle(fontSize: textSize, color: Colors.white)),

example/pubspec.lock

@@ -75,12 +75,17 @@ packages:
       name: flutter_plugin_android_lifecycle
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.5"
+    version: "2.0.0"
   flutter_test:
     dependency: "direct dev"
     description: flutter
     source: sdk
     version: "0.0.0"
+  flutter_web_plugins:
+    dependency: transitive
+    description: flutter
+    source: sdk
+    version: "0.0.0"
   gallery_saver:
     dependency: "direct dev"
     description:
@@ -108,7 +113,28 @@ packages:
       name: image_picker
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.6.3+1"
+    version: "0.7.3"
+  image_picker_for_web:
+    dependency: transitive
+    description:
+      name: image_picker_for_web
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.0"
+  image_picker_platform_interface:
+    dependency: transitive
+    description:
+      name: image_picker_platform_interface
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.1"
+  js:
+    dependency: transitive
+    description:
+      name: js
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.6.3"
   matcher:
     dependency: transitive
     description:
@@ -260,7 +286,7 @@ packages:
       name: win32
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.0"
+    version: "2.0.4"
   xdg_directories:
     dependency: transitive
     description:

example/pubspec.yaml

@@ -6,7 +6,7 @@ environment:
   sdk: ">=2.1.0 <3.0.0"
 
 dependencies:
-  image_picker: ^0.6.3+1
+  image_picker: ^0.7.3
   path_provider: ^2.0.1
   http: ^0.13.0
 

pubspec.lock

@@ -239,7 +239,7 @@ packages:
       name: win32
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.0"
+    version: "2.0.4"
   xdg_directories:
     dependency: transitive
     description:

pubspec.yaml

@@ -5,7 +5,6 @@ homepage: https://github.com/CarnegieTechnologies/gallery_saver
 
 environment:
   sdk: '>=2.12.0 <3.0.0'
-  flutter: ">=1.12.0 <2.0.0"
 
 module:
  androidX: true