io.flutter.view.FlutterView Class Reference

Inheritance diagram for io.flutter.view.FlutterView:

Classes
interface	FirstFrameListener
interface	Provider
class	SurfaceTextureRegistryEntry
class	ViewportMetrics

Public Member Functions
	FlutterView (Context context)
	FlutterView (Context context, AttributeSet attrs)
	FlutterView (Context context, AttributeSet attrs, FlutterNativeView nativeView)
DartExecutor	getDartExecutor ()
boolean	dispatchKeyEvent (KeyEvent event)
FlutterNativeView	getFlutterNativeView ()
FlutterPluginRegistry	getPluginRegistry ()
String	getLookupKeyForAsset (String asset)
String	getLookupKeyForAsset (String asset, String packageName)
void	addActivityLifecycleListener (ActivityLifecycleListener listener)
void	onStart ()
void	onPause ()
void	onPostResume ()
void	onStop ()
void	onMemoryPressure ()
boolean	hasRenderedFirstFrame ()
void	addFirstFrameListener (FirstFrameListener listener)
void	removeFirstFrameListener (FirstFrameListener listener)
void	enableBufferingIncomingMessages ()
void	disableBufferingIncomingMessages ()
void	disableTransparentBackground ()
void	setInitialRoute (String route)
void	pushRoute (String route)
void	popRoute ()
void	startBackGesture (@NonNull BackEvent backEvent)
void	updateBackGestureProgress (@NonNull BackEvent backEvent)
void	commitBackGesture ()
void	cancelBackGesture ()
FlutterNativeView	detach ()
void	destroy ()
InputConnection	onCreateInputConnection (EditorInfo outAttrs)
boolean	checkInputConnectionProxy (View view)
void	onProvideAutofillVirtualStructure (ViewStructure structure, int flags)
void	autofill (SparseArray< AutofillValue > values)
boolean	onTouchEvent (MotionEvent event)
boolean	onHoverEvent (MotionEvent event)
boolean	onGenericMotionEvent (MotionEvent event)
final WindowInsets	onApplyWindowInsets (WindowInsets insets)
void	runFromBundle (FlutterRunArguments args)
Bitmap	getBitmap ()
void	onFirstFrame ()
AccessibilityNodeProvider	getAccessibilityNodeProvider ()
PointerIcon	getSystemPointerIcon (int type)
BinaryMessenger	getBinaryMessenger ()
boolean	onTextInputKeyEvent (@NonNull KeyEvent keyEvent)
void	redispatch (@NonNull KeyEvent keyEvent)
TaskQueue	makeBackgroundTaskQueue (TaskQueueOptions options)
void	send (String channel, ByteBuffer message)
void	send (String channel, ByteBuffer message, BinaryReply callback)
void	setMessageHandler (@NonNull String channel, @NonNull BinaryMessageHandler handler)
void	setMessageHandler ( @NonNull String channel, @NonNull BinaryMessageHandler handler, @NonNull TaskQueue taskQueue)
TextureRegistry.SurfaceTextureEntry	createSurfaceTexture ()
ImageTextureEntry	createImageTexture ()
SurfaceProducer	createSurfaceProducer ()
TextureRegistry.SurfaceTextureEntry	registerSurfaceTexture ( @NonNull SurfaceTexture surfaceTexture)
Public Member Functions inherited from io.flutter.plugin.common.BinaryMessenger
default TaskQueue	makeBackgroundTaskQueue ()
default TaskQueue	makeBackgroundTaskQueue (TaskQueueOptions options)
void	send (@NonNull String channel, @Nullable ByteBuffer message)
void	send (@NonNull String channel, @Nullable ByteBuffer message, @Nullable BinaryReply callback)
void	setMessageHandler (@NonNull String channel, @Nullable BinaryMessageHandler handler)
default void	setMessageHandler ( @NonNull String channel, @Nullable BinaryMessageHandler handler, @Nullable TaskQueue taskQueue)
default void	enableBufferingIncomingMessages ()
default void	disableBufferingIncomingMessages ()
Public Member Functions inherited from io.flutter.view.TextureRegistry
SurfaceProducer	createSurfaceProducer ()
SurfaceTextureEntry	createSurfaceTexture ()
SurfaceTextureEntry	registerSurfaceTexture (@NonNull SurfaceTexture surfaceTexture)
ImageTextureEntry	createImageTexture ()
default void	onTrimMemory (int level)
Public Member Functions inherited from io.flutter.plugin.mouse.MouseCursorPlugin.MouseCursorViewDelegate
PointerIcon	getSystemPointerIcon (int type)
void	setPointerIcon (@NonNull PointerIcon icon)
BinaryMessenger	getBinaryMessenger ()
boolean	onTextInputKeyEvent (@NonNull KeyEvent keyEvent)
void	redispatch (@NonNull KeyEvent keyEvent)

Protected Member Functions
void	onConfigurationChanged (Configuration newConfig)
void	onSizeChanged (int width, int height, int oldWidth, int oldHeight)
void	onAttachedToWindow ()
void	onDetachedFromWindow ()

Package Functions
float	getDevicePixelRatio ()
void	assertAttached ()
void	resetAccessibilityTree ()

Detailed Description

Deprecated Android view containing a Flutter app.

Deprecated:

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

Definition at line 82 of file FlutterView.java.

Constructor & Destructor Documentation

FlutterView() [1/3]

io.flutter.view.FlutterView.FlutterView ( Context  context )

inline

Definition at line 160 of file FlutterView.java.

                                      {
    this(context, null);
  }

FlutterView() [2/3]

io.flutter.view.FlutterView.FlutterView ( Context  context, AttributeSet  attrs  )

inline

Definition at line 164 of file FlutterView.java.

                                                          {
    this(context, attrs, null);
  }

FlutterView() [3/3]

io.flutter.view.FlutterView.FlutterView ( Context  context, AttributeSet  attrs, FlutterNativeView  nativeView  )

inline

Definition at line 168 of file FlutterView.java.

                                                                                        {
    super(context, attrs);
 
    Activity activity = ViewUtils.getActivity(getContext());
    if (activity == null) {
      throw new IllegalArgumentException("Bad context");
    }
 
    if (nativeView == null) {
      mNativeView = new FlutterNativeView(activity.getApplicationContext());
    } else {
      mNativeView = nativeView;
    }
 
    dartExecutor = mNativeView.getDartExecutor();
    flutterRenderer = new FlutterRenderer(mNativeView.getFlutterJNI());
    mIsSoftwareRenderingEnabled = mNativeView.getFlutterJNI().getIsSoftwareRenderingEnabled();
    mMetrics = new ViewportMetrics();
    mMetrics.devicePixelRatio = context.getResources().getDisplayMetrics().density;
    mMetrics.physicalTouchSlop = ViewConfiguration.get(context).getScaledTouchSlop();
    setFocusable(true);
    setFocusableInTouchMode(true);
 
    mNativeView.attachViewAndActivity(this, activity);
 
    mSurfaceCallback =
        new SurfaceHolder.Callback() {
          @Override
          public void surfaceCreated(SurfaceHolder holder) {
            assertAttached();
            mNativeView.getFlutterJNI().onSurfaceCreated(holder.getSurface());
          }
 
          @Override
          public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {
            assertAttached();
            mNativeView.getFlutterJNI().onSurfaceChanged(width, height);
          }
 
          @Override
          public void surfaceDestroyed(SurfaceHolder holder) {
            assertAttached();
            mNativeView.getFlutterJNI().onSurfaceDestroyed();
          }
        };
    getHolder().addCallback(mSurfaceCallback);
 
    mActivityLifecycleListeners = new ArrayList<>();
    mFirstFrameListeners = new ArrayList<>();
 
    // Create all platform channels
    navigationChannel = new NavigationChannel(dartExecutor);
    backGestureChannel = new BackGestureChannel(dartExecutor);
    lifecycleChannel = new LifecycleChannel(dartExecutor);
    localizationChannel = new LocalizationChannel(dartExecutor);
    platformChannel = new PlatformChannel(dartExecutor);
    systemChannel = new SystemChannel(dartExecutor);
    settingsChannel = new SettingsChannel(dartExecutor);
 
    // Create and set up plugins
    PlatformPlugin platformPlugin = new PlatformPlugin(activity, platformChannel);
    addActivityLifecycleListener(
        new ActivityLifecycleListener() {
          @Override
          public void onPostResume() {
            platformPlugin.updateSystemUiOverlays();
          }
        });
    mImm = (InputMethodManager) getContext().getSystemService(Context.INPUT_METHOD_SERVICE);
    PlatformViewsController platformViewsController =
        mNativeView.getPluginRegistry().getPlatformViewsController();
    mTextInputPlugin =
        new TextInputPlugin(this, new TextInputChannel(dartExecutor), platformViewsController);
    mKeyboardManager = new KeyboardManager(this);
 
    if (Build.VERSION.SDK_INT >= API_LEVELS.API_24) {
      mMouseCursorPlugin = new MouseCursorPlugin(this, new MouseCursorChannel(dartExecutor));
    } else {
      mMouseCursorPlugin = null;
    }
    mLocalizationPlugin = new LocalizationPlugin(context, localizationChannel);
    androidTouchProcessor =
        new AndroidTouchProcessor(flutterRenderer, /*trackMotionEvents=*/ false);
    platformViewsController.attachToFlutterRenderer(flutterRenderer);
    mNativeView
        .getPluginRegistry()
        .getPlatformViewsController()
        .attachTextInputPlugin(mTextInputPlugin);
    mNativeView.getFlutterJNI().setLocalizationPlugin(mLocalizationPlugin);
 
    // Send initial platform information to Dart
    mLocalizationPlugin.sendLocalesToFlutter(getResources().getConfiguration());
    sendUserPlatformSettingsToDart();
  }

Member Function Documentation

addActivityLifecycleListener()

void io.flutter.view.FlutterView.addActivityLifecycleListener ( ActivityLifecycleListener  listener )

inline

Definition at line 301 of file FlutterView.java.

                                                                               {
    mActivityLifecycleListeners.add(listener);
  }

addFirstFrameListener()

void io.flutter.view.FlutterView.addFirstFrameListener ( FirstFrameListener  listener )

inline

Provide a listener that will be called once when the FlutterView renders its first frame to the underlaying SurfaceView.

Definition at line 341 of file FlutterView.java.

                                                                 {
    mFirstFrameListeners.add(listener);
  }

assertAttached()

void io.flutter.view.FlutterView.assertAttached ( )

inlinepackage

Definition at line 694 of file FlutterView.java.

                        {
    if (!isAttached()) throw new AssertionError("Platform view is not attached");
  }

autofill()

void io.flutter.view.FlutterView.autofill ( SparseArray< AutofillValue >  values )

inline

Definition at line 469 of file FlutterView.java.

                                                          {
    mTextInputPlugin.autofill(values);
  }

cancelBackGesture()

void io.flutter.view.FlutterView.cancelBackGesture ( )

inline

Definition at line 396 of file FlutterView.java.

                                  {
    backGestureChannel.cancelBackGesture();
  }

checkInputConnectionProxy()

boolean io.flutter.view.FlutterView.checkInputConnectionProxy ( View  view )

inline

Definition at line 455 of file FlutterView.java.

                                                      {
    return mNativeView
        .getPluginRegistry()
        .getPlatformViewsController()
        .checkInputConnectionProxy(view);
  }

commitBackGesture()

void io.flutter.view.FlutterView.commitBackGesture ( )

inline

Definition at line 390 of file FlutterView.java.

                                  {
    backGestureChannel.commitBackGesture();
  }

createImageTexture()

ImageTextureEntry io.flutter.view.FlutterView.createImageTexture ( )

inline

Creates and registers a texture managed by the Flutter engine.

Returns

a ImageTextureEntry.

Implements io.flutter.view.TextureRegistry.

Definition at line 901 of file FlutterView.java.

                                                {
    throw new UnsupportedOperationException("Image textures are not supported in this mode.");
  }

createSurfaceProducer()

SurfaceProducer io.flutter.view.FlutterView.createSurfaceProducer ( )

inline

Creates and registers a SurfaceProducer texture managed by the Flutter engine.

Returns

A SurfaceProducer.

Implements io.flutter.view.TextureRegistry.

Definition at line 906 of file FlutterView.java.

                                                 {
    throw new UnsupportedOperationException(
        "SurfaceProducer textures are not supported in this mode.");
  }

createSurfaceTexture()

TextureRegistry.SurfaceTextureEntry io.flutter.view.FlutterView.createSurfaceTexture ( )

inline

Creates and registers a SurfaceTexture managed by the Flutter engine.

Returns

A SurfaceTextureEntry.

Implements io.flutter.view.TextureRegistry.

Definition at line 894 of file FlutterView.java.

                                                                    {
    final SurfaceTexture surfaceTexture = new SurfaceTexture(0);
    return registerSurfaceTexture(surfaceTexture);
  }

destroy()

void io.flutter.view.FlutterView.destroy ( )

inline

Definition at line 439 of file FlutterView.java.

                        {
    if (!isAttached()) return;
 
    getHolder().removeCallback(mSurfaceCallback);
    releaseAccessibilityNodeProvider();
 
    mNativeView.destroy();
    mNativeView = null;
  }

detach()

FlutterNativeView io.flutter.view.FlutterView.detach ( )

inline

Definition at line 429 of file FlutterView.java.

                                    {
    if (!isAttached()) return null;
    getHolder().removeCallback(mSurfaceCallback);
    mNativeView.detachFromFlutterView();
 
    FlutterNativeView view = mNativeView;
    mNativeView = null;
    return view;
  }

disableBufferingIncomingMessages()

void io.flutter.view.FlutterView.disableBufferingIncomingMessages ( )

inline

Disables the ability to queue messages received from Dart.

This can be used after all pending channel handlers have been registered.

Implements io.flutter.plugin.common.BinaryMessenger.

Definition at line 354 of file FlutterView.java.

{}

disableTransparentBackground()

void io.flutter.view.FlutterView.disableTransparentBackground ( )

inline

Reverts this back to the SurfaceView defaults, at the back of its window and opaque.

Definition at line 359 of file FlutterView.java.

                                             {
    setZOrderOnTop(false);
    getHolder().setFormat(PixelFormat.OPAQUE);
  }

dispatchKeyEvent()

boolean io.flutter.view.FlutterView.dispatchKeyEvent ( KeyEvent  event )

inline

Definition at line 269 of file FlutterView.java.

                                                  {
    Log.e(TAG, "dispatchKeyEvent: " + event.toString());
    if (event.getAction() == KeyEvent.ACTION_DOWN && event.getRepeatCount() == 0) {
      // Tell Android to start tracking this event.
      getKeyDispatcherState().startTracking(event, this);
    } else if (event.getAction() == KeyEvent.ACTION_UP) {
      // Stop tracking the event.
      getKeyDispatcherState().handleUpEvent(event);
    }
    // If the key processor doesn't handle it, then send it on to the
    // superclass. The key processor will typically handle all events except
    // those where it has re-dispatched the event after receiving a reply from
    // the framework that the framework did not handle it.
    return (isAttached() && mKeyboardManager.handleEvent(event)) || super.dispatchKeyEvent(event);
  }

enableBufferingIncomingMessages()

void io.flutter.view.FlutterView.enableBufferingIncomingMessages ( )

inline

Enables the ability to queue messages received from Dart.

This is useful when there are pending channel handler registrations. For example, Dart may be initialized concurrently, and prior to the registration of the channel handlers. This implies that Dart may start sending messages while plugins are being registered.

Implements io.flutter.plugin.common.BinaryMessenger.

Definition at line 351 of file FlutterView.java.

{}

getAccessibilityNodeProvider()

AccessibilityNodeProvider io.flutter.view.FlutterView.getAccessibilityNodeProvider ( )

inline

Definition at line 801 of file FlutterView.java.

                                                                  {
    if (mAccessibilityNodeProvider != null && mAccessibilityNodeProvider.isAccessibilityEnabled()) {
      return mAccessibilityNodeProvider;
    } else {
      // TODO(goderbauer): when a11y is off this should return a one-off snapshot of
      // the a11y
      // tree.
      return null;
    }
  }

getBinaryMessenger()

BinaryMessenger io.flutter.view.FlutterView.getBinaryMessenger ( )

inline

Returns a BinaryMessenger to send platform messages with.

Implements io.flutter.embedding.android.KeyboardManager.ViewDelegate.

Definition at line 834 of file FlutterView.java.

                                              {
    return this;
  }

getBitmap()

Bitmap io.flutter.view.FlutterView.getBitmap ( )

inline

Return the most recent frame as a bitmap.

Returns

A bitmap.

Definition at line 722 of file FlutterView.java.

                            {
    assertAttached();
    return mNativeView.getFlutterJNI().getBitmap();
  }

getDartExecutor()

DartExecutor io.flutter.view.FlutterView.getDartExecutor ( )

inline

Definition at line 264 of file FlutterView.java.

                                        {
    return dartExecutor;
  }

getDevicePixelRatio()

float io.flutter.view.FlutterView.getDevicePixelRatio ( )

inlinepackage

Definition at line 425 of file FlutterView.java.

                              {
    return mMetrics.devicePixelRatio;
  }

getFlutterNativeView()

FlutterNativeView io.flutter.view.FlutterView.getFlutterNativeView ( )

inline

Definition at line 285 of file FlutterView.java.

                                                  {
    return mNativeView;
  }

getLookupKeyForAsset() [1/2]

String io.flutter.view.FlutterView.getLookupKeyForAsset ( String  asset )

inline

Definition at line 293 of file FlutterView.java.

                                                   {
    return FlutterMain.getLookupKeyForAsset(asset);
  }

getLookupKeyForAsset() [2/2]

String io.flutter.view.FlutterView.getLookupKeyForAsset ( String  asset, String  packageName  )

inline

Definition at line 297 of file FlutterView.java.

                                                                       {
    return FlutterMain.getLookupKeyForAsset(asset, packageName);
  }

getPluginRegistry()

FlutterPluginRegistry io.flutter.view.FlutterView.getPluginRegistry ( )

inline

Definition at line 289 of file FlutterView.java.

                                                   {
    return mNativeView.getPluginRegistry();
  }

getSystemPointerIcon()

PointerIcon io.flutter.view.FlutterView.getSystemPointerIcon ( int  type )

inline

Gets a system pointer icon object for the given type.

If typeis not recognized, returns the default pointer icon.

This is typically implemented by calling android.view.PointerIcon#getSystemIcon with the context associated with this view.

Implements io.flutter.plugin.mouse.MouseCursorPlugin.MouseCursorViewDelegate.

Definition at line 825 of file FlutterView.java.

                                                    {
    return PointerIcon.getSystemIcon(getContext(), type);
  }

hasRenderedFirstFrame()

boolean io.flutter.view.FlutterView.hasRenderedFirstFrame ( )

inline

Returns true if the Flutter experience associated with this FlutterView has rendered its first frame, or false otherwise.

Definition at line 333 of file FlutterView.java.

                                         {
    return didRenderFirstFrame;
  }

makeBackgroundTaskQueue()

TaskQueue io.flutter.view.FlutterView.makeBackgroundTaskQueue ( TaskQueueOptions  options )

inline

Creates a TaskQueue that executes the tasks serially on a background thread.

TaskQueueOptions can be used to configure the task queue to execute tasks concurrently. Doing so can be more performant, though users need to ensure that the task handlers are thread-safe.

Implements io.flutter.plugin.common.BinaryMessenger.

Definition at line 852 of file FlutterView.java.

                                                                     {
    return null;
  }

onApplyWindowInsets()

final WindowInsets io.flutter.view.FlutterView.onApplyWindowInsets ( WindowInsets  insets )

inline

Definition at line 591 of file FlutterView.java.

                                                                     {
    // getSystemGestureInsets() was introduced in API 29 and immediately deprecated in 30.
    if (Build.VERSION.SDK_INT == API_LEVELS.API_29) {
      Insets systemGestureInsets = insets.getSystemGestureInsets();
      mMetrics.systemGestureInsetTop = systemGestureInsets.top;
      mMetrics.systemGestureInsetRight = systemGestureInsets.right;
      mMetrics.systemGestureInsetBottom = systemGestureInsets.bottom;
      mMetrics.systemGestureInsetLeft = systemGestureInsets.left;
    }
 
    boolean statusBarVisible = (SYSTEM_UI_FLAG_FULLSCREEN & getWindowSystemUiVisibility()) == 0;
    boolean navigationBarVisible =
        (SYSTEM_UI_FLAG_HIDE_NAVIGATION & getWindowSystemUiVisibility()) == 0;
 
    if (Build.VERSION.SDK_INT >= API_LEVELS.API_30) {
      int mask = 0;
      if (navigationBarVisible) {
        mask = mask | android.view.WindowInsets.Type.navigationBars();
      }
      if (statusBarVisible) {
        mask = mask | android.view.WindowInsets.Type.statusBars();
      }
      Insets uiInsets = insets.getInsets(mask);
      mMetrics.physicalViewPaddingTop = uiInsets.top;
      mMetrics.physicalViewPaddingRight = uiInsets.right;
      mMetrics.physicalViewPaddingBottom = uiInsets.bottom;
      mMetrics.physicalViewPaddingLeft = uiInsets.left;
 
      Insets imeInsets = insets.getInsets(android.view.WindowInsets.Type.ime());
      mMetrics.physicalViewInsetTop = imeInsets.top;
      mMetrics.physicalViewInsetRight = imeInsets.right;
      mMetrics.physicalViewInsetBottom = imeInsets.bottom; // Typically, only bottom is non-zero
      mMetrics.physicalViewInsetLeft = imeInsets.left;
 
      Insets systemGestureInsets =
          insets.getInsets(android.view.WindowInsets.Type.systemGestures());
      mMetrics.systemGestureInsetTop = systemGestureInsets.top;
      mMetrics.systemGestureInsetRight = systemGestureInsets.right;
      mMetrics.systemGestureInsetBottom = systemGestureInsets.bottom;
      mMetrics.systemGestureInsetLeft = systemGestureInsets.left;
 
      // TODO(garyq): Expose the full rects of the display cutout.
 
      // Take the max of the display cutout insets and existing padding to merge them
      DisplayCutout cutout = insets.getDisplayCutout();
      if (cutout != null) {
        Insets waterfallInsets = cutout.getWaterfallInsets();
        mMetrics.physicalViewPaddingTop =
            Math.max(
                Math.max(mMetrics.physicalViewPaddingTop, waterfallInsets.top),
                cutout.getSafeInsetTop());
        mMetrics.physicalViewPaddingRight =
            Math.max(
                Math.max(mMetrics.physicalViewPaddingRight, waterfallInsets.right),
                cutout.getSafeInsetRight());
        mMetrics.physicalViewPaddingBottom =
            Math.max(
                Math.max(mMetrics.physicalViewPaddingBottom, waterfallInsets.bottom),
                cutout.getSafeInsetBottom());
        mMetrics.physicalViewPaddingLeft =
            Math.max(
                Math.max(mMetrics.physicalViewPaddingLeft, waterfallInsets.left),
                cutout.getSafeInsetLeft());
      }
    } else {
      // We zero the left and/or right sides to prevent the padding the
      // navigation bar would have caused.
      ZeroSides zeroSides = ZeroSides.NONE;
      if (!navigationBarVisible) {
        zeroSides = calculateShouldZeroSides();
      }
 
      // Status bar (top), navigation bar (bottom) and left/right system insets should
      // partially obscure the content (padding).
      mMetrics.physicalViewPaddingTop = statusBarVisible ? insets.getSystemWindowInsetTop() : 0;
      mMetrics.physicalViewPaddingRight =
          zeroSides == ZeroSides.RIGHT || zeroSides == ZeroSides.BOTH
              ? 0
              : insets.getSystemWindowInsetRight();
      mMetrics.physicalViewPaddingBottom =
          navigationBarVisible && guessBottomKeyboardInset(insets) == 0
              ? insets.getSystemWindowInsetBottom()
              : 0;
      mMetrics.physicalViewPaddingLeft =
          zeroSides == ZeroSides.LEFT || zeroSides == ZeroSides.BOTH
              ? 0
              : insets.getSystemWindowInsetLeft();
 
      // Bottom system inset (keyboard) should adjust scrollable bottom edge (inset).
      mMetrics.physicalViewInsetTop = 0;
      mMetrics.physicalViewInsetRight = 0;
      mMetrics.physicalViewInsetBottom = guessBottomKeyboardInset(insets);
      mMetrics.physicalViewInsetLeft = 0;
    }
 
    updateViewportMetrics();
    return super.onApplyWindowInsets(insets);
  }

onAttachedToWindow()

void io.flutter.view.FlutterView.onAttachedToWindow ( )

inlineprotected

Definition at line 765 of file FlutterView.java.

                                      {
    super.onAttachedToWindow();
 
    PlatformViewsController platformViewsController =
        getPluginRegistry().getPlatformViewsController();
    mAccessibilityNodeProvider =
        new AccessibilityBridge(
            this,
            new AccessibilityChannel(dartExecutor, getFlutterNativeView().getFlutterJNI()),
            (AccessibilityManager) getContext().getSystemService(Context.ACCESSIBILITY_SERVICE),
            getContext().getContentResolver(),
            platformViewsController);
    mAccessibilityNodeProvider.setOnAccessibilityChangeListener(onAccessibilityChangeListener);
 
    resetWillNotDraw(
        mAccessibilityNodeProvider.isAccessibilityEnabled(),
        mAccessibilityNodeProvider.isTouchExplorationEnabled());
  }

onConfigurationChanged()

void io.flutter.view.FlutterView.onConfigurationChanged ( Configuration  newConfig )

inlineprotected

Definition at line 419 of file FlutterView.java.

                                                                 {
    super.onConfigurationChanged(newConfig);
    mLocalizationPlugin.sendLocalesToFlutter(newConfig);
    sendUserPlatformSettingsToDart();
  }

onCreateInputConnection()

InputConnection io.flutter.view.FlutterView.onCreateInputConnection ( EditorInfo  outAttrs )

inline

Definition at line 450 of file FlutterView.java.

                                                                      {
    return mTextInputPlugin.createInputConnection(this, mKeyboardManager, outAttrs);
  }

onDetachedFromWindow()

void io.flutter.view.FlutterView.onDetachedFromWindow ( )

inlineprotected

Definition at line 785 of file FlutterView.java.

                                        {
    super.onDetachedFromWindow();
    releaseAccessibilityNodeProvider();
  }

onFirstFrame()

void io.flutter.view.FlutterView.onFirstFrame ( )

inline

Definition at line 754 of file FlutterView.java.

                             {
    didRenderFirstFrame = true;
 
    // Allow listeners to remove themselves when they are called.
    List<FirstFrameListener> listeners = new ArrayList<>(mFirstFrameListeners);
    for (FirstFrameListener listener : listeners) {
      listener.onFirstFrame();
    }
  }

onGenericMotionEvent()

boolean io.flutter.view.FlutterView.onGenericMotionEvent ( MotionEvent  event )

inline

Invoked by Android when a generic motion event occurs, e.g., joystick movement, mouse hover, track pad touches, scroll wheel movements, etc.

Flutter handles all of its own gesture detection and processing, therefore this method forwards all MotionEvent data from Android to Flutter.

Definition at line 506 of file FlutterView.java.

                                                         {
    boolean handled =
        isAttached() && androidTouchProcessor.onGenericMotionEvent(event, getContext());
    return handled ? true : super.onGenericMotionEvent(event);
  }

onHoverEvent()

boolean io.flutter.view.FlutterView.onHoverEvent ( MotionEvent  event )

inline

Definition at line 485 of file FlutterView.java.

                                                 {
    if (!isAttached()) {
      return super.onHoverEvent(event);
    }
 
    boolean handled = mAccessibilityNodeProvider.onAccessibilityHoverEvent(event);
    if (!handled) {
      // TODO(ianh): Expose hover events to the platform,
      // implementing ADD, REMOVE, etc.
    }
    return handled;
  }

onMemoryPressure()

void io.flutter.view.FlutterView.onMemoryPressure ( )

inline

Definition at line 324 of file FlutterView.java.

                                 {
    mNativeView.getFlutterJNI().notifyLowMemoryWarning();
    systemChannel.sendMemoryPressureWarning();
  }

onPause()

void io.flutter.view.FlutterView.onPause ( )

inline

Definition at line 309 of file FlutterView.java.

                        {
    lifecycleChannel.appIsInactive();
  }

onPostResume()

void io.flutter.view.FlutterView.onPostResume ( )

inline

Definition at line 313 of file FlutterView.java.

                             {
    for (ActivityLifecycleListener listener : mActivityLifecycleListeners) {
      listener.onPostResume();
    }
    lifecycleChannel.appIsResumed();
  }

onProvideAutofillVirtualStructure()

void io.flutter.view.FlutterView.onProvideAutofillVirtualStructure ( ViewStructure  structure, int  flags  )

inline

Definition at line 463 of file FlutterView.java.

                                                                                    {
    super.onProvideAutofillVirtualStructure(structure, flags);
    mTextInputPlugin.onProvideAutofillVirtualStructure(structure, flags);
  }

onSizeChanged()

void io.flutter.view.FlutterView.onSizeChanged ( int  width, int  height, int  oldWidth, int  oldHeight  )

inlineprotected

Definition at line 513 of file FlutterView.java.

                                                                                   {
    mMetrics.physicalWidth = width;
    mMetrics.physicalHeight = height;
    updateViewportMetrics();
    super.onSizeChanged(width, height, oldWidth, oldHeight);
  }

onStart()

void io.flutter.view.FlutterView.onStart ( )

inline

Definition at line 305 of file FlutterView.java.

                        {
    lifecycleChannel.appIsInactive();
  }

onStop()

void io.flutter.view.FlutterView.onStop ( )

inline

Definition at line 320 of file FlutterView.java.

                       {
    lifecycleChannel.appIsPaused();
  }

onTextInputKeyEvent()

boolean io.flutter.view.FlutterView.onTextInputKeyEvent ( @NonNull KeyEvent  keyEvent )

inline

Send a KeyEvent that is not handled by the keyboard responders to the text input system.

Parameters

keyEvent

the KeyEvent that should be processed by the text input system. It must not be null.

Returns

Whether the text input handles the key event.

Implements io.flutter.embedding.android.KeyboardManager.ViewDelegate.

Definition at line 839 of file FlutterView.java.

                                                                 {
    return mTextInputPlugin.handleKeyEvent(keyEvent);
  }

onTouchEvent()

boolean io.flutter.view.FlutterView.onTouchEvent ( MotionEvent  event )

inline

Definition at line 474 of file FlutterView.java.

                                                 {
    if (!isAttached()) {
      return super.onTouchEvent(event);
    }
 
    requestUnbufferedDispatch(event);
 
    return androidTouchProcessor.onTouchEvent(event);
  }

popRoute()

void io.flutter.view.FlutterView.popRoute ( )

inline

Definition at line 372 of file FlutterView.java.

                         {
    navigationChannel.popRoute();
  }

pushRoute()

void io.flutter.view.FlutterView.pushRoute ( String  route )

inline

Definition at line 368 of file FlutterView.java.

                                      {
    navigationChannel.pushRoute(route);
  }

redispatch()

void io.flutter.view.FlutterView.redispatch ( @NonNull KeyEvent  keyEvent )

inline

Send a KeyEvent that is not handled by Flutter back to the platform.

Implements io.flutter.embedding.android.KeyboardManager.ViewDelegate.

Definition at line 844 of file FlutterView.java.

                                                     {
    getRootView().dispatchKeyEvent(keyEvent);
  }

registerSurfaceTexture()

TextureRegistry.SurfaceTextureEntry io.flutter.view.FlutterView.registerSurfaceTexture ( @NonNull SurfaceTexture  surfaceTexture )

inline

Registers a SurfaceTexture managed by the Flutter engine.

Returns

A SurfaceTextureEntry.

Implements io.flutter.view.TextureRegistry.

Definition at line 913 of file FlutterView.java.

                                              {
    surfaceTexture.detachFromGLContext();
    final SurfaceTextureRegistryEntry entry =
        new SurfaceTextureRegistryEntry(nextTextureId.getAndIncrement(), surfaceTexture);
    mNativeView.getFlutterJNI().registerTexture(entry.id(), entry.textureWrapper());
    return entry;
  }

removeFirstFrameListener()

void io.flutter.view.FlutterView.removeFirstFrameListener ( FirstFrameListener  listener )

inline

Remove an existing first frame listener.

Definition at line 346 of file FlutterView.java.

                                                                    {
    mFirstFrameListeners.remove(listener);
  }

resetAccessibilityTree()

void io.flutter.view.FlutterView.resetAccessibilityTree ( )

inlinepackage

Definition at line 702 of file FlutterView.java.

                                {
    if (mAccessibilityNodeProvider != null) {
      mAccessibilityNodeProvider.reset();
    }
  }

runFromBundle()

void io.flutter.view.FlutterView.runFromBundle ( FlutterRunArguments  args )

inline

Definition at line 710 of file FlutterView.java.

                                                      {
    assertAttached();
    preRun();
    mNativeView.runFromBundle(args);
    postRun();
  }

send() [1/2]

void io.flutter.view.FlutterView.send ( String  channel, ByteBuffer  message  )

inline

Definition at line 858 of file FlutterView.java.

                                                       {
    send(channel, message, null);
  }

send() [2/2]

void io.flutter.view.FlutterView.send ( String  channel, ByteBuffer  message, BinaryReply  callback  )

inline

Definition at line 864 of file FlutterView.java.

                                                                             {
    if (!isAttached()) {
      Log.d(TAG, "FlutterView.send called on a detached view, channel=" + channel);
      return;
    }
    mNativeView.send(channel, message, callback);
  }

setInitialRoute()

void io.flutter.view.FlutterView.setInitialRoute ( String  route )

inline

Definition at line 364 of file FlutterView.java.

                                            {
    navigationChannel.setInitialRoute(route);
  }

setMessageHandler() [1/2]

void io.flutter.view.FlutterView.setMessageHandler ( @NonNull String  channel, @NonNull BinaryMessageHandler  handler, @NonNull TaskQueue  taskQueue  )

inline

Definition at line 880 of file FlutterView.java.

                                    {
    mNativeView.setMessageHandler(channel, handler, taskQueue);
  }

setMessageHandler() [2/2]

void io.flutter.view.FlutterView.setMessageHandler ( @NonNull String  channel, @NonNull BinaryMessageHandler  handler  )

inline

Definition at line 874 of file FlutterView.java.

                                                                                                {
    mNativeView.setMessageHandler(channel, handler);
  }

startBackGesture()

void io.flutter.view.FlutterView.startBackGesture ( @NonNull BackEvent  backEvent )

inline

Definition at line 378 of file FlutterView.java.

                                                             {
    backGestureChannel.startBackGesture(backEvent);
  }

updateBackGestureProgress()

void io.flutter.view.FlutterView.updateBackGestureProgress ( @NonNull BackEvent  backEvent )

inline

Definition at line 384 of file FlutterView.java.

                                                                      {
    backGestureChannel.updateBackGestureProgress(backEvent);
  }

---

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

• shell/platform/android/io/flutter/view/FlutterView.java