[quick_actions] Support v2 android embedder.

packages/quick_actions/android/src/main/java/io/flutter/plugins/quickactions/MethodCallHandlerImpl.java

@@ -0,0 +1,133 @@
+// Copyright 2019 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+package io.flutter.plugins.quickactions;
+
+import android.annotation.TargetApi;
+import android.app.Activity;
+import android.content.Context;
+import android.content.Intent;
+import android.content.pm.ShortcutInfo;
+import android.content.pm.ShortcutManager;
+import android.content.res.Resources;
+import android.graphics.drawable.Icon;
+import android.os.Build;
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import io.flutter.plugin.common.MethodCall;
+import io.flutter.plugin.common.MethodChannel;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+
+class MethodCallHandlerImpl implements MethodChannel.MethodCallHandler {
+
+  private static final String CHANNEL_ID = "plugins.flutter.io/quick_actions";
+  private static final String EXTRA_ACTION = "some unique action key";
+
+  private final Context context;
+  private Activity activity;
+
+  MethodCallHandlerImpl(@NonNull Context context, @Nullable Activity activity) {
+    this.context = context;
+    this.activity = activity;
+  }
+
+  void setActivity(Activity activity) {
+    this.activity = activity;
+  }
+
+  @Override
+  public void onMethodCall(MethodCall call, MethodChannel.Result result) {
+    if (Build.VERSION.SDK_INT < Build.VERSION_CODES.N_MR1) {
+      // We already know that this functionality does not work for anything
+      // lower than API 25 so we chose not to return error. Instead we do nothing.
+      result.success(null);
+      return;
+    }
+    ShortcutManager shortcutManager =
+        (ShortcutManager) context.getSystemService(Context.SHORTCUT_SERVICE);
+    switch (call.method) {
+      case "setShortcutItems":
+        List<Map<String, String>> serializedShortcuts = call.arguments();
+        List<ShortcutInfo> shortcuts = deserializeShortcuts(serializedShortcuts);
+        shortcutManager.setDynamicShortcuts(shortcuts);
+        break;
+      case "clearShortcutItems":
+        shortcutManager.removeAllDynamicShortcuts();
+        break;
+      case "getLaunchAction":
+        if (activity == null) {
+          result.error(
+              "quick_action_getlaunchaction_no_activity",
+              "There is no activity available when launching action",
+              null);
+          return;
+        }
+        final Intent intent = activity.getIntent();
+        final String launchAction = intent.getStringExtra(EXTRA_ACTION);
+        if (launchAction != null && !launchAction.isEmpty()) {
+          shortcutManager.reportShortcutUsed(launchAction);
+          intent.removeExtra(EXTRA_ACTION);
+        }
+        result.success(launchAction);
+        return;
+      default:
+        result.notImplemented();
+        return;
+    }
+    result.success(null);
+  }
+
+  @TargetApi(Build.VERSION_CODES.N_MR1)
+  private List<ShortcutInfo> deserializeShortcuts(List<Map<String, String>> shortcuts) {
+    final List<ShortcutInfo> shortcutInfos = new ArrayList<>();
+
+    for (Map<String, String> shortcut : shortcuts) {
+      final String icon = shortcut.get("icon");
+      final String type = shortcut.get("type");
+      final String title = shortcut.get("localizedTitle");
+      final ShortcutInfo.Builder shortcutBuilder = new ShortcutInfo.Builder(context, type);
+
+      final int resourceId = loadResourceId(context, icon);
+      final Intent intent = getIntentToOpenMainActivity(type);
+
+      if (resourceId > 0) {
+        shortcutBuilder.setIcon(Icon.createWithResource(context, resourceId));
+      }
+
+      final ShortcutInfo shortcutInfo =
+          shortcutBuilder.setLongLabel(title).setShortLabel(title).setIntent(intent).build();
+      shortcutInfos.add(shortcutInfo);
+    }
+    return shortcutInfos;
+  }
+
+  private int loadResourceId(Context context, String icon) {
+    if (icon == null) {
+      return 0;
+    }
+    final String packageName = context.getPackageName();
+    final Resources res = context.getResources();
+    final int resourceId = res.getIdentifier(icon, "drawable", packageName);
+
+    if (resourceId == 0) {
+      return res.getIdentifier(icon, "mipmap", packageName);
+    } else {
+      return resourceId;
+    }
+  }
+
+  private Intent getIntentToOpenMainActivity(String type) {
+    final String packageName = context.getPackageName();
+
+    return context
+        .getPackageManager()
+        .getLaunchIntentForPackage(packageName)
+        .setAction(Intent.ACTION_RUN)
+        .putExtra(EXTRA_ACTION, type)
+        .addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
+        .addFlags(Intent.FLAG_ACTIVITY_CLEAR_TASK);
+  }
+}

packages/quick_actions/android/src/main/java/io/flutter/plugins/quickactions/QuickActionsPlugin.java

@@ -4,130 +4,70 @@
 
 package io.flutter.plugins.quickactions;
 
-import android.annotation.TargetApi;
+import android.app.Activity;
 import android.content.Context;
-import android.content.Intent;
-import android.content.pm.ShortcutInfo;
-import android.content.pm.ShortcutManager;
-import android.content.res.Resources;
-import android.graphics.drawable.Icon;
-import android.os.Build;
-import io.flutter.plugin.common.MethodCall;
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+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.PluginRegistry.Registrar;
-import java.util.ArrayList;
-import java.util.List;
-import java.util.Map;
 
 /** QuickActionsPlugin */
-public class QuickActionsPlugin implements MethodCallHandler {
+public class QuickActionsPlugin implements FlutterPlugin, ActivityAware {
   private static final String CHANNEL_ID = "plugins.flutter.io/quick_actions";
-  private static final String EXTRA_ACTION = "some unique action key";
 
-  private final Registrar registrar;
-
-  private QuickActionsPlugin(Registrar registrar) {
-    this.registrar = registrar;
-  }
+  MethodChannel channel;
+  MethodCallHandlerImpl handler;
 
   /**
    * Plugin registration.
    *
    * <p>Must be called when the application is created.
    */
   public static void registerWith(Registrar registrar) {
-    final MethodChannel channel = new MethodChannel(registrar.messenger(), CHANNEL_ID);
-    channel.setMethodCallHandler(new QuickActionsPlugin(registrar));
+    QuickActionsPlugin plugin = new QuickActionsPlugin();
+    plugin.setupChannel(registrar.messenger(), registrar.context(), registrar.activity());
   }
 
   @Override
-  public void onMethodCall(MethodCall call, Result result) {
-    if (Build.VERSION.SDK_INT < Build.VERSION_CODES.N_MR1) {
-      // We already know that this functionality does not work for anything
-      // lower than API 25 so we chose not to return error. Instead we do nothing.
-      result.success(null);
-      return;
-    }
-    Context context = registrar.context();
-    ShortcutManager shortcutManager =
-        (ShortcutManager) context.getSystemService(Context.SHORTCUT_SERVICE);
-    switch (call.method) {
-      case "setShortcutItems":
-        List<Map<String, String>> serializedShortcuts = call.arguments();
-        List<ShortcutInfo> shortcuts = deserializeShortcuts(serializedShortcuts);
-        shortcutManager.setDynamicShortcuts(shortcuts);
-        break;
-      case "clearShortcutItems":
-        shortcutManager.removeAllDynamicShortcuts();
-        break;
-      case "getLaunchAction":
-        final Intent intent = registrar.activity().getIntent();
-        final String launchAction = intent.getStringExtra(EXTRA_ACTION);
-        if (launchAction != null && !launchAction.isEmpty()) {
-          shortcutManager.reportShortcutUsed(launchAction);
-          intent.removeExtra(EXTRA_ACTION);
-        }
-        result.success(launchAction);
-        return;
-      default:
-        result.notImplemented();
-        return;
-    }
-    result.success(null);
+  public void onAttachedToEngine(FlutterPluginBinding binding) {
+    setupChannel(
+        binding.getFlutterEngine().getDartExecutor(), binding.getApplicationContext(), null);
   }
 
-  @TargetApi(Build.VERSION_CODES.N_MR1)
-  private List<ShortcutInfo> deserializeShortcuts(List<Map<String, String>> shortcuts) {
-    final List<ShortcutInfo> shortcutInfos = new ArrayList<>();
-    final Context context = registrar.context();
-
-    for (Map<String, String> shortcut : shortcuts) {
-      final String icon = shortcut.get("icon");
-      final String type = shortcut.get("type");
-      final String title = shortcut.get("localizedTitle");
-      final ShortcutInfo.Builder shortcutBuilder = new ShortcutInfo.Builder(context, type);
-
-      final int resourceId = loadResourceId(context, icon);
-      final Intent intent = getIntentToOpenMainActivity(type);
-
-      if (resourceId > 0) {
-        shortcutBuilder.setIcon(Icon.createWithResource(context, resourceId));
-      }
+  @Override
+  public void onDetachedFromEngine(FlutterPluginBinding binding) {
+    channel.setMethodCallHandler(null);
+    handler = null;
+  }
 
-      final ShortcutInfo shortcutInfo =
-          shortcutBuilder.setLongLabel(title).setShortLabel(title).setIntent(intent).build();
-      shortcutInfos.add(shortcutInfo);
-    }
-    return shortcutInfos;
+  @Override
+  public void onAttachedToActivity(ActivityPluginBinding binding) {
+    handler.setActivity(binding.getActivity());
   }
 
-  private int loadResourceId(Context context, String icon) {
-    if (icon == null) {
-      return 0;
-    }
-    final String packageName = context.getPackageName();
-    final Resources res = context.getResources();
-    final int resourceId = res.getIdentifier(icon, "drawable", packageName);
+  @Override
+  public void onDetachedFromActivity() {
+    handler.setActivity(null);
+  }
 
-    if (resourceId == 0) {
-      return res.getIdentifier(icon, "mipmap", packageName);
-    } else {
-      return resourceId;
-    }
+  @Override
+  public void onReattachedToActivityForConfigChanges(ActivityPluginBinding binding) {
+    onAttachedToActivity(binding);
   }
 
-  private Intent getIntentToOpenMainActivity(String type) {
-    final Context context = registrar.context();
-    final String packageName = context.getPackageName();
+  @Override
+  public void onDetachedFromActivityForConfigChanges() {
+    onDetachedFromActivity();
+  }
 
-    return context
-        .getPackageManager()
-        .getLaunchIntentForPackage(packageName)
-        .setAction(Intent.ACTION_RUN)
-        .putExtra(EXTRA_ACTION, type)
-        .addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
-        .addFlags(Intent.FLAG_ACTIVITY_CLEAR_TASK);
+  private void setupChannel(
+      @NonNull BinaryMessenger messenger, @NonNull Context context, @Nullable Activity activity) {
+    channel = new MethodChannel(messenger, CHANNEL_ID);
+    handler = new MethodCallHandlerImpl(context, activity);
+    channel.setMethodCallHandler(handler);
   }
 }

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

@@ -6,15 +6,23 @@
   <application android:name="io.flutter.app.FlutterApplication"
                android:label="quick_actions_example"
                android:icon="@mipmap/ic_launcher">
-    <activity android:name=".MainActivity"
+    <activity android:name=".EmbeddingV1Activity"
               android:launchMode="singleTop"
               android:theme="@style/LaunchTheme"
               android:configChanges="orientation|keyboardHidden|keyboard|screenSize|locale|layoutDirection"
               android:hardwareAccelerated="true"
-              android:windowSoftInputMode="adjustResize">
+              android:windowSoftInputMode="adjustResize"
+        android:exported="true">
       <meta-data
           android:name="io.flutter.app.android.SplashScreenUntilFirstFrame"
           android:value="true"/>
+    </activity>
+    <activity android:name=".MainActivity"
+      android:launchMode="singleTop"
+      android:theme="@style/LaunchTheme"
+      android:configChanges="orientation|keyboardHidden|keyboard|screenSize|locale|layoutDirection"
+      android:hardwareAccelerated="true"
+      android:windowSoftInputMode="adjustResize">
       <intent-filter>
         <action android:name="android.intent.action.MAIN"/>
         <category android:name="android.intent.category.LAUNCHER"/>

packages/quick_actions/example/android/app/src/main/java/io/flutter/plugins/quickactionsexample/EmbeddingV1Activity.java

@@ -0,0 +1,17 @@
+// Copyright 2017 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+package io.flutter.plugins.quickactionsexample;
+
+import android.os.Bundle;
+import io.flutter.app.FlutterActivity;
+import io.flutter.plugins.GeneratedPluginRegistrant;
+
+public class EmbeddingV1Activity extends FlutterActivity {
+  @Override
+  protected void onCreate(Bundle savedInstanceState) {
+    super.onCreate(savedInstanceState);
+    GeneratedPluginRegistrant.registerWith(this);
+  }
+}

packages/quick_actions/example/android/app/src/main/java/io/flutter/plugins/quickactionsexample/MainActivity.java

@@ -1,17 +1,18 @@
-// Copyright 2017 The Chromium Authors. All rights reserved.
+// Copyright 2019 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 package io.flutter.plugins.quickactionsexample;
 
-import android.os.Bundle;
-import io.flutter.app.FlutterActivity;
-import io.flutter.plugins.GeneratedPluginRegistrant;
+import io.flutter.embedding.android.FlutterActivity;
+import io.flutter.embedding.engine.FlutterEngine;
+import io.flutter.plugins.quickactions.QuickActionsPlugin;
 
 public class MainActivity extends FlutterActivity {
+
   @Override
-  protected void onCreate(Bundle savedInstanceState) {
-    super.onCreate(savedInstanceState);
-    GeneratedPluginRegistrant.registerWith(this);
+  public void configureFlutterEngine(FlutterEngine flutterEngine) {
+    super.configureFlutterEngine(flutterEngine);
+    flutterEngine.getPlugins().add(new QuickActionsPlugin());
   }
 }

packages/quick_actions/example/android/gradle.properties

@@ -1 +1,4 @@
 org.gradle.jvmargs=-Xmx1536M
+android.enableR8=true
+android.useAndroidX=true
+android.enableJetifier=true