updated to v2 embedding

android/src/main/java/com/iyaffle/launchreview/LaunchReviewPlugin.java

@@ -1,11 +1,16 @@
 package com.iyaffle.launchreview;
 
+import io.flutter.embedding.engine.plugins.FlutterPlugin;
+import io.flutter.embedding.engine.plugins.activity.ActivityAware;
+import io.flutter.embedding.engine.plugins.activity.ActivityPluginBinding;
+import io.flutter.plugin.common.BinaryMessenger;
 import io.flutter.plugin.common.MethodChannel;
 import io.flutter.plugin.common.MethodChannel.MethodCallHandler;
 import io.flutter.plugin.common.MethodChannel.Result;
 import io.flutter.plugin.common.MethodCall;
 import io.flutter.plugin.common.PluginRegistry.Registrar;
 
+import android.app.Activity;
 import android.content.ActivityNotFoundException;
 import android.content.ComponentName;
 import android.content.Intent;
@@ -14,85 +19,117 @@
 import 	android.content.pm.ActivityInfo;
 import android.widget.Toast;
 
+import androidx.annotation.NonNull;
+
 import java.util.List;
 /**
  * LaunchReviewPlugin
  */
-public class LaunchReviewPlugin implements MethodCallHandler {
-
-  private final Registrar mRegistrar;
-
-  private LaunchReviewPlugin(Registrar registrar) {
-    this.mRegistrar = registrar;
-  }
-
-  /**
-   * Plugin registration.
-   */
-  public static void registerWith(Registrar registrar) {
-    final MethodChannel channel = new MethodChannel(registrar.messenger(), "launch_review");
-    LaunchReviewPlugin instance = new LaunchReviewPlugin(registrar);
-    channel.setMethodCallHandler(instance);
-  }
-
-  @Override
-  public void onMethodCall(MethodCall call, Result result) {
-     if (call.method.equals("launch")) {
-      String appId = call.argument("android_id");
-
-      if (appId == null) {
-        appId = mRegistrar.activity().getPackageName();
-      }
-
-      Intent rateIntent = new Intent(Intent.ACTION_VIEW,
-              Uri.parse("market://details?id=" + appId));
-      boolean marketFound = false;
-
-      // find all applications able to handle our rateIntent
-      final List<ResolveInfo> otherApps =  mRegistrar.activity().getPackageManager()
-              .queryIntentActivities(rateIntent, 0);
-      for (ResolveInfo otherApp: otherApps) {
-        // look for Google Play application
-        if (otherApp.activityInfo.applicationInfo.packageName
-                .equals("com.android.vending")) {
-
-          ActivityInfo otherAppActivity = otherApp.activityInfo;
-          ComponentName componentName = new ComponentName(
-                  otherAppActivity.applicationInfo.packageName,
-                  otherAppActivity.name
-          );
-          // make sure it does NOT open in the stack of your activity
-          rateIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
-          // task reparenting if needed
-          rateIntent.addFlags(Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
-          // if the Google Play was already open in a search result
-          //  this make sure it still go to the app page you requested
-          rateIntent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
-          // this make sure only the Google Play app is allowed to
-          // intercept the intent
-          rateIntent.setComponent(componentName);
-          Toast.makeText(mRegistrar.activity(), "Please Rate Application", Toast.LENGTH_SHORT).show();
-
-          mRegistrar.activity().startActivity(rateIntent);
-          marketFound = true;
-          break;
+public class LaunchReviewPlugin implements MethodCallHandler, FlutterPlugin, ActivityAware {
+    Activity activity;
 
+    private static LaunchReviewPlugin register(LaunchReviewPlugin plugin, BinaryMessenger messenger, Activity activity) {
+        final MethodChannel channel = new MethodChannel(messenger, "launch_review");
+        plugin.activity = activity;
+        channel.setMethodCallHandler(plugin);
+        return plugin;
+    }
+
+    /**
+     * Plugin registration.
+     */
+    public static void registerWith(Registrar registrar) {
+        register(new LaunchReviewPlugin(), registrar.messenger(), registrar.activity());
+    }
+
+    @Override
+    public void onMethodCall(MethodCall call, Result result) {
+        if (call.method.equals("launch")) {
+            String appId = call.argument("android_id");
+
+            if (appId == null) {
+                appId = activity.getPackageName();
+            }
+
+            Intent rateIntent = new Intent(Intent.ACTION_VIEW,
+                    Uri.parse("market://details?id=" + appId));
+            boolean marketFound = false;
+
+            // find all applications able to handle our rateIntent
+            final List<ResolveInfo> otherApps =  activity.getPackageManager()
+                    .queryIntentActivities(rateIntent, 0);
+            for (ResolveInfo otherApp: otherApps) {
+                // look for Google Play application
+                if (otherApp.activityInfo.applicationInfo.packageName
+                        .equals("com.android.vending")) {
+
+                    ActivityInfo otherAppActivity = otherApp.activityInfo;
+                    ComponentName componentName = new ComponentName(
+                            otherAppActivity.applicationInfo.packageName,
+                            otherAppActivity.name
+                    );
+                    // make sure it does NOT open in the stack of your activity
+                    rateIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+                    // task reparenting if needed
+                    rateIntent.addFlags(Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
+                    // if the Google Play was already open in a search result
+                    //  this make sure it still go to the app page you requested
+                    rateIntent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
+                    // this make sure only the Google Play app is allowed to
+                    // intercept the intent
+                    rateIntent.setComponent(componentName);
+                    Toast.makeText(activity, "Please Rate Application", Toast.LENGTH_SHORT).show();
+
+                    activity.startActivity(rateIntent);
+                    marketFound = true;
+                    break;
+
+                }
+            }
+
+            // if GP not present on device, open web browser
+            if (!marketFound) {
+                try {
+                    activity.startActivity(new Intent(Intent.ACTION_VIEW,
+                            Uri.parse("market://details?id=" + appId)));
+                } catch (ActivityNotFoundException e) {
+                    activity.startActivity(new Intent(Intent.ACTION_VIEW,
+                            Uri.parse("https://play.google.com/store/apps/details?id=" + appId)));
+                }
+            }
+            result.success(null);
+        }  else {
+            result.notImplemented();
         }
-      }
-
-      // if GP not present on device, open web browser
-      if (!marketFound) {
-        try {
-          mRegistrar.activity().startActivity(new Intent(Intent.ACTION_VIEW,
-                  Uri.parse("market://details?id=" + appId)));
-        } catch (ActivityNotFoundException e) {
-          mRegistrar.activity().startActivity(new Intent(Intent.ACTION_VIEW,
-                  Uri.parse("https://play.google.com/store/apps/details?id=" + appId)));
-        }
-      }
-      result.success(null);
-    }  else {
-      result.notImplemented();
     }
-  }
+
+    @Override
+    public void onAttachedToEngine(@NonNull FlutterPluginBinding binding) {
+        register(this, binding.getBinaryMessenger(), null);
+    }
+
+    @Override
+    public void onDetachedFromEngine(@NonNull FlutterPluginBinding binding) {
+
+    }
+
+    @Override
+    public void onAttachedToActivity(@NonNull ActivityPluginBinding binding) {
+        activity = binding.getActivity();
+    }
+
+    @Override
+    public void onDetachedFromActivityForConfigChanges() {
+
+    }
+
+    @Override
+    public void onReattachedToActivityForConfigChanges(@NonNull ActivityPluginBinding binding) {
+
+    }
+
+    @Override
+    public void onDetachedFromActivity() {
+
+    }
 }