Fixed issue #2

CHANGELOG.md

@@ -1,3 +1,7 @@
+## 1.0.6
+
+* [Fixed issue #2](https://github.com/AdityaMulgundkar/wallpaper_manager/issues/2 "Problems due to change in Flutter's Embedding engine / GeneratedPluginRegistrant.java")
+
 ## 1.0.5
 
 * More To-dos

README.md

@@ -15,7 +15,7 @@ In the `pubspec.yaml` of your flutter project, add the following dependency:
 ```yaml
 dependencies:
   ...
-  wallpaper_manager: "^1.0.5"
+  wallpaper_manager: "^1.0.6"
 ```
 
 In your library add the following import:
@@ -94,6 +94,9 @@ For help getting started with Flutter, view the online [documentation](https://f
  * iOS does not support changing Wallpapers from third-party apps [\(Source\)](https://stackoverflow.com/questions/56112014/can-i-change-ios-screen-wallpaper-programmatically-in-swift-5-and-ios-12)
  * Xiaomi/MIUI does not support changing Lock Screen Wallpapers directly from the Android API [\(Source\)](https://in.c.mi.com/thread-1252992-1-0.html). You might want to look at creating a Lock Screen Launcher app instead.
 
+## Known Issues
+ * Due to a change in [Flutter's Embedding Engine] (https://flutter.dev/docs/development/packages-and-plugins/plugin-api-migration), you might face an [issue](https://github.com/AdityaMulgundkar/wallpaper_manager/issues/2) while building your project. To work around this, you can upgrade to the latest version of the plugin (which directly handles both v1 & v2 Embedding from v.1.0.6) or change the [Flutter Embedding Engine version in your project](https://github.com/flutter/flutter/wiki/Upgrading-pre-1.12-Android-projects).
+
 ## Todos
    - [ ] Write tests
    - [ ] Add rect values for optionally cropping the image

android/src/main/AndroidManifest.xml

@@ -3,4 +3,12 @@
 
     <uses-permission android:name="android.permission.SET_WALLPAPER" />
     <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
+    <application>
+        <activity android:name=".EmbeddingV1Activity"
+            android:theme="@style/LaunchTheme"
+            android:configChanges="orientation|keyboardHidden|keyboard|screenSize|locale|layoutDirection|fontScale"
+            android:hardwareAccelerated="true"
+            android:windowSoftInputMode="adjustResize"
+            />
+    </application>
 </manifest>

android/src/main/java/com/mulgundkar/wallpaper_manager/EmbeddingV1Activity.java

@@ -0,0 +1,14 @@
+package com.mulgundkar.wallpaper_manager;
+import android.os.Bundle;
+import io.flutter.app.FlutterActivity;
+import io.flutter.plugin.common.MethodChannel;
+import com.mulgundkar.wallpaper_manager.WallpaperManagerPlugin;
+
+public class EmbeddingV1Activity extends FlutterActivity {
+  @Override
+  protected void onCreate(Bundle savedInstanceState) {
+    super.onCreate(savedInstanceState);
+    WallpaperManagerPlugin.registerWith(registrarFor("com.mulgundkar.wallpaper_manager.WallpaperManagerPlugin"));
+  }
+
+}

android/src/main/java/com/mulgundkar/wallpaper_manager/WallpaperManagerPlugin.java

@@ -31,7 +31,7 @@
 
 /** WallpaperManagerPlugin */
 public class WallpaperManagerPlugin implements FlutterPlugin, MethodCallHandler {
-  private Context context;
+  private static Context context;
 
   @Override
   public void onAttachedToEngine(@NonNull FlutterPluginBinding flutterPluginBinding) {
@@ -40,9 +40,10 @@ public void onAttachedToEngine(@NonNull FlutterPluginBinding flutterPluginBindin
     channel.setMethodCallHandler(this);
   }
 
-  public void registerWith(Registrar registrar) {
+  public static void registerWith(Registrar registrar) {
+    context = registrar.context();
     final MethodChannel channel = new MethodChannel(registrar.messenger(), "wallpaper_manager");
-    channel.setMethodCallHandler(this);
+    channel.setMethodCallHandler(new WallpaperManagerPlugin());
   }
 
   @Override
@@ -65,6 +66,7 @@ public void onMethodCall(@NonNull MethodCall call, @NonNull Result result) {
 
   @Override
   public void onDetachedFromEngine(@NonNull FlutterPluginBinding binding) {
+    context = null;
   }
 
   @SuppressLint("MissingPermission")