io.flutter.app.FlutterActivityDelegate Class Reference

Inheritance diagram for io.flutter.app.FlutterActivityDelegate:

Classes
interface	ViewFactory

Public Member Functions
	FlutterActivityDelegate (Activity activity, ViewFactory viewFactory)
FlutterView	getFlutterView ()
boolean	hasPlugin (String key)
Registrar	registrarFor (String pluginKey)
boolean	onRequestPermissionsResult (int requestCode, String[] permissions, int[] grantResults)
boolean	onActivityResult (int requestCode, int resultCode, Intent data)
void	onCreate (Bundle savedInstanceState)
void	onNewIntent (Intent intent)
void	onPause ()
void	onStart ()
void	onResume ()
void	onStop ()
void	onPostResume ()
void	onDestroy ()
boolean	onBackPressed ()
void	onUserLeaveHint ()
void	onWindowFocusChanged (boolean hasFocus)
void	onTrimMemory (int level)
void	onLowMemory ()
void	onConfigurationChanged (Configuration newConfig)
void	onCreate (Bundle savedInstanceState)
void	onNewIntent (Intent intent)
void	onPause ()
void	onStart ()
void	onResume ()
void	onPostResume ()
void	onDestroy ()
void	onStop ()
boolean	onBackPressed ()
void	onUserLeaveHint ()
void	onWindowFocusChanged (boolean hasFocus)
Public Member Functions inherited from io.flutter.plugin.common.PluginRegistry.ActivityResultListener
boolean	onActivityResult (int requestCode, int resultCode, @Nullable Intent data)
Public Member Functions inherited from io.flutter.plugin.common.PluginRegistry.RequestPermissionsResultListener
boolean	onRequestPermissionsResult (int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults)
FlutterView	getFlutterView ()
Public Member Functions inherited from io.flutter.plugin.common.PluginRegistry
Registrar	registrarFor (@NonNull String pluginKey)
boolean	hasPlugin (@NonNull String pluginKey)
< T > T	valuePublishedByPlugin (@NonNull String pluginKey)

Package Functions
public< T > T	valuePublishedByPlugin (String pluginKey)

Detailed Description

Deprecated class that performs the actual work of tying Android android.app.Activity instances to Flutter.

This exists as a dedicated class (as opposed to being integrated directly into FlutterActivity) to facilitate applications that don't wish to subclass FlutterActivity. The most obvious example of when this may come in handy is if an application wishes to subclass the Android v4 support library's FragmentActivity.

Usage:

To wire this class up to your activity, simply forward the events defined in FlutterActivityEvents from your activity to an instance of this class. Optionally, you can make your activity implement PluginRegistry and/or io.flutter.view.FlutterView.Provider and forward those methods to this class as well.

Deprecated:

io.flutter.embedding.android.FlutterActivity is the new API that now replaces this class and io.flutter.app.FlutterActivity. See https://flutter.dev/go/android-project-migration for more migration details.

Definition at line 57 of file FlutterActivityDelegate.java.

Constructor & Destructor Documentation

FlutterActivityDelegate()

io.flutter.app.FlutterActivityDelegate.FlutterActivityDelegate ( Activity  activity, ViewFactory  viewFactory  )

inline

Definition at line 97 of file FlutterActivityDelegate.java.

                                                                             {
    this.activity = Preconditions.checkNotNull(activity);
    this.viewFactory = Preconditions.checkNotNull(viewFactory);
  }

Member Function Documentation

getFlutterView()

FlutterView io.flutter.app.FlutterActivityDelegate.getFlutterView ( )

inline

Returns a reference to the Flutter view maintained by this object. This may be null.

Returns

a reference to the Flutter view maintained by this object.

Implements io.flutter.view.FlutterView.Provider.

Definition at line 103 of file FlutterActivityDelegate.java.

                                      {
    return flutterView;
  }

hasPlugin()

boolean io.flutter.app.FlutterActivityDelegate.hasPlugin ( String  key )

inline

Definition at line 109 of file FlutterActivityDelegate.java.

                                       {
    return flutterView.getPluginRegistry().hasPlugin(key);
  }

onActivityResult()

boolean io.flutter.app.FlutterActivityDelegate.onActivityResult ( int  requestCode, int  resultCode, Intent  data  )

inline

Definition at line 133 of file FlutterActivityDelegate.java.

                                                                                {
    return flutterView.getPluginRegistry().onActivityResult(requestCode, resultCode, data);
  }

onBackPressed()

boolean io.flutter.app.FlutterActivityDelegate.onBackPressed ( )

inline

Invoked when the activity has detected the user's press of the back key.

Returns

true if the listener handled the event; false to let the activity continue with its default back button handling.

See also

android.app.Activity::onBackPressed()

Implements io.flutter.app.FlutterActivityEvents.

Definition at line 247 of file FlutterActivityDelegate.java.

                                 {
    if (flutterView != null) {
      flutterView.popRoute();
      return true;
    }
    return false;
  }

onConfigurationChanged()

void io.flutter.app.FlutterActivityDelegate.onConfigurationChanged ( Configuration  newConfig )

inline

Definition at line 280 of file FlutterActivityDelegate.java.

{}

onCreate()

void io.flutter.app.FlutterActivityDelegate.onCreate ( Bundle  savedInstanceState )

inline

Parameters

savedInstanceState

If the activity is being re-initialized after previously being shut down then this Bundle contains the data it most recently supplied in onSaveInstanceState(Bundle).

See also

android.app.Activity::onCreate(android.os.Bundle)

Implements io.flutter.app.FlutterActivityEvents.

Definition at line 138 of file FlutterActivityDelegate.java.

                                                  {
    Window window = activity.getWindow();
    window.addFlags(LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS);
    window.setStatusBarColor(0x40000000);
    window.getDecorView().setSystemUiVisibility(PlatformPlugin.DEFAULT_SYSTEM_UI);
 
    String[] args = getArgsFromIntent(activity.getIntent());
    FlutterMain.ensureInitializationComplete(activity.getApplicationContext(), args);
 
    flutterView = viewFactory.createFlutterView(activity);
    if (flutterView == null) {
      FlutterNativeView nativeView = viewFactory.createFlutterNativeView();
      flutterView = new FlutterView(activity, null, nativeView);
      flutterView.setLayoutParams(matchParent);
      activity.setContentView(flutterView);
      launchView = createLaunchView();
      if (launchView != null) {
        addLaunchView();
      }
    }
 
    if (loadIntent(activity.getIntent())) {
      return;
    }
 
    String appBundlePath = FlutterMain.findAppBundlePath();
    if (appBundlePath != null) {
      runBundle(appBundlePath);
    }
  }

onDestroy()

void io.flutter.app.FlutterActivityDelegate.onDestroy ( )

inline

See also

android.app.Activity::onDestroy()

Implements io.flutter.app.FlutterActivityEvents.

Definition at line 225 of file FlutterActivityDelegate.java.

                          {
    Application app = (Application) activity.getApplicationContext();
    if (app instanceof FlutterApplication) {
      FlutterApplication flutterApp = (FlutterApplication) app;
      if (activity.equals(flutterApp.getCurrentActivity())) {
        flutterApp.setCurrentActivity(null);
      }
    }
    if (flutterView != null) {
      final boolean detach =
          flutterView.getPluginRegistry().onViewDestroy(flutterView.getFlutterNativeView());
      if (detach || viewFactory.retainFlutterNativeView()) {
        // Detach, but do not destroy the FlutterView if a plugin
        // expressed interest in its FlutterNativeView.
        flutterView.detach();
      } else {
        flutterView.destroy();
      }
    }
  }

onLowMemory()

void io.flutter.app.FlutterActivityDelegate.onLowMemory ( )

inline

Definition at line 275 of file FlutterActivityDelegate.java.

                            {
    flutterView.onMemoryPressure();
  }

onNewIntent()

void io.flutter.app.FlutterActivityDelegate.onNewIntent ( Intent  intent )

inline

Parameters

intent

The new intent that was started for the activity.

See also

android.app.Activity::onNewIntent(Intent)

Implements io.flutter.app.FlutterActivityEvents.

Definition at line 170 of file FlutterActivityDelegate.java.

                                         {
    // Only attempt to reload the Flutter Dart code during development. Use
    // the debuggable flag as an indicator that we are in development mode.
    if (!isDebuggable() || !loadIntent(intent)) {
      flutterView.getPluginRegistry().onNewIntent(intent);
    }
  }

onPause()

void io.flutter.app.FlutterActivityDelegate.onPause ( )

inline

See also

android.app.Activity::onPause()

Implements io.flutter.app.FlutterActivityEvents.

Definition at line 183 of file FlutterActivityDelegate.java.

                        {
    Application app = (Application) activity.getApplicationContext();
    if (app instanceof FlutterApplication) {
      FlutterApplication flutterApp = (FlutterApplication) app;
      if (activity.equals(flutterApp.getCurrentActivity())) {
        flutterApp.setCurrentActivity(null);
      }
    }
    if (flutterView != null) {
      flutterView.onPause();
    }
  }

onPostResume()

void io.flutter.app.FlutterActivityDelegate.onPostResume ( )

inline

See also

android.app.Activity::onPostResume()

Implements io.flutter.app.FlutterActivityEvents.

Definition at line 218 of file FlutterActivityDelegate.java.

                             {
    if (flutterView != null) {
      flutterView.onPostResume();
    }
  }

onRequestPermissionsResult()

boolean io.flutter.app.FlutterActivityDelegate.onRequestPermissionsResult ( int  requestCode, String[]  permissions, int[]  grantResults  )

inline

Definition at line 125 of file FlutterActivityDelegate.java.

                                                                 {
    return flutterView
        .getPluginRegistry()
        .onRequestPermissionsResult(requestCode, permissions, grantResults);
  }

onResume()

void io.flutter.app.FlutterActivityDelegate.onResume ( )

inline

See also

android.app.Activity::onResume()

Implements io.flutter.app.FlutterActivityEvents.

Definition at line 204 of file FlutterActivityDelegate.java.

                         {
    Application app = (Application) activity.getApplicationContext();
    if (app instanceof FlutterApplication) {
      FlutterApplication flutterApp = (FlutterApplication) app;
      flutterApp.setCurrentActivity(activity);
    }
  }

onStart()

void io.flutter.app.FlutterActivityDelegate.onStart ( )

inline

See also

android.app.Activity::onStart()

Implements io.flutter.app.FlutterActivityEvents.

Definition at line 197 of file FlutterActivityDelegate.java.

                        {
    if (flutterView != null) {
      flutterView.onStart();
    }
  }

onStop()

void io.flutter.app.FlutterActivityDelegate.onStop ( )

inline

See also

android.app.Activity::onStop()

Implements io.flutter.app.FlutterActivityEvents.

Definition at line 213 of file FlutterActivityDelegate.java.

                       {
    flutterView.onStop();
  }

onTrimMemory()

void io.flutter.app.FlutterActivityDelegate.onTrimMemory ( int  level )

inline

Definition at line 266 of file FlutterActivityDelegate.java.

                                      {
    // Use a trim level delivered while the application is running so the
    // framework has a chance to react to the notification.
    if (level == TRIM_MEMORY_RUNNING_LOW) {
      flutterView.onMemoryPressure();
    }
  }

onUserLeaveHint()

void io.flutter.app.FlutterActivityDelegate.onUserLeaveHint ( )

inline

See also

android.app.Activity::onUserLeaveHint()

Implements io.flutter.app.FlutterActivityEvents.

Definition at line 256 of file FlutterActivityDelegate.java.

                                {
    flutterView.getPluginRegistry().onUserLeaveHint();
  }

onWindowFocusChanged()

void io.flutter.app.FlutterActivityDelegate.onWindowFocusChanged ( boolean  hasFocus )

inline

Parameters

hasFocus

True if the current activity window has focus.

See also

android.app.Activity::onWindowFocusChanged(boolean)

Implements io.flutter.app.FlutterActivityEvents.

Definition at line 261 of file FlutterActivityDelegate.java.

                                                     {
    flutterView.getPluginRegistry().onWindowFocusChanged(hasFocus);
  }

registrarFor()

Registrar io.flutter.app.FlutterActivityDelegate.registrarFor ( String  pluginKey )

inline

Definition at line 120 of file FlutterActivityDelegate.java.

                                                  {
    return flutterView.getPluginRegistry().registrarFor(pluginKey);
  }

valuePublishedByPlugin()

public< T > T io.flutter.app.FlutterActivityDelegate.valuePublishedByPlugin ( String  pluginKey )

inlinepackage

Definition at line 115 of file FlutterActivityDelegate.java.

                                                        {
    return (T) flutterView.getPluginRegistry().valuePublishedByPlugin(pluginKey);
  }

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The documentation for this class was generated from the following file:

• shell/platform/android/io/flutter/app/FlutterActivityDelegate.java