Update example to support Flutter 3

example/android/app/build.gradle

@@ -26,7 +26,7 @@ apply plugin: 'kotlin-android'
 apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
 
 android {
-    compileSdkVersion 30
+    compileSdkVersion 31
 
     sourceSets {
         main.java.srcDirs += 'src/main/kotlin'
@@ -36,7 +36,7 @@ android {
         // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
         applicationId "com.screenshot.example"
         minSdkVersion 17
-        targetSdkVersion 30
+        targetSdkVersion 31
         versionCode flutterVersionCode.toInteger()
         versionName flutterVersionName
     }

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

@@ -6,6 +6,7 @@
         <activity
             android:name=".MainActivity"
             android:launchMode="singleTop"
+            android:exported="true"
             android:theme="@style/LaunchTheme"
             android:configChanges="orientation|keyboardHidden|keyboard|screenSize|smallestScreenSize|locale|layoutDirection|fontScale|screenLayout|density|uiMode"
             android:hardwareAccelerated="true"

example/android/build.gradle

 buildscript {
-    ext.kotlin_version = '1.3.50'
+    ext.kotlin_version = '1.6.0'
     repositories {
         google()
         jcenter()

example/lib/main.dart

@@ -17,7 +17,7 @@ class MyApp extends StatelessWidget {
         textTheme: TextTheme(
             headline6: TextStyle(
           color: Colors.yellow,
-          fontSize: 50,
+          // fontSize: 50,
         )),
         // This is the theme of your application.
         //
@@ -79,7 +79,14 @@ class _MyHomePageState extends State<MyHomePage> {
                     border: Border.all(color: Colors.blueAccent, width: 5.0),
                     color: Colors.amberAccent,
                   ),
-                  child: Text("This widget will be captured as an image")),
+                  child: Stack(
+                    children: [
+                      Image.asset(
+                        'assets/images/flutter.png',
+                      ),
+                      Text("This widget will be captured as an image"),
+                    ],
+                  )),
             ),
             SizedBox(
               height: 25,
@@ -109,9 +116,16 @@ class _MyHomePageState extends State<MyHomePage> {
                       border: Border.all(color: Colors.blueAccent, width: 5.0),
                       color: Colors.redAccent,
                     ),
-                    child: Text(
-                      "This is an invisible widget",
-                      style: Theme.of(context).textTheme.headline6,
+                    child: Stack(
+                      children: [
+                        Image.asset(
+                          'assets/images/flutter.png',
+                        ),
+                        Text(
+                          "This is an invisible widget",
+                          style: Theme.of(context).textTheme.headline6,
+                        ),
+                      ],
                     ));
                 screenshotController
                     .captureFromWidget(

example/windows/flutter/generated_plugins.cmake

@@ -5,6 +5,9 @@
 list(APPEND FLUTTER_PLUGIN_LIST
 )
 
+list(APPEND FLUTTER_FFI_PLUGIN_LIST
+)
+
 set(PLUGIN_BUNDLED_LIBRARIES)
 
 foreach(plugin ${FLUTTER_PLUGIN_LIST})
@@ -13,3 +16,8 @@ foreach(plugin ${FLUTTER_PLUGIN_LIST})
   list(APPEND PLUGIN_BUNDLED_LIBRARIES $<TARGET_FILE:${plugin}_plugin>)
   list(APPEND PLUGIN_BUNDLED_LIBRARIES ${${plugin}_bundled_libraries})
 endforeach(plugin)
+
+foreach(ffi_plugin ${FLUTTER_FFI_PLUGIN_LIST})
+  add_subdirectory(flutter/ephemeral/.plugin_symlinks/${ffi_plugin}/windows plugins/${ffi_plugin})
+  list(APPEND PLUGIN_BUNDLED_LIBRARIES ${${ffi_plugin}_bundled_libraries})
+endforeach(ffi_plugin)