android.view.accessibility.AccessibilityManager#addAccessibilityStateChangeListener ( )源码实例Demo

private void init() {
  setPersistent(true);
  setDialogLayoutResource(R.layout.keyboard_shortcut_dialog);

  if (TalkBackService.getInstance() != null) {
    keyComboManager = TalkBackService.getInstance().getKeyComboManager();
  } else {
    keyComboManager = KeyComboManager.create(getContext());
  }

  if (keyComboManager == null) {
    throw new IllegalStateException(
        "KeyboardShortcutDialogPreference should never appear "
            + "on systems where KeyComboManager is unavailable");
  }

  setTemporaryKeyComboCodeWithoutTriggerModifier(
      keyComboManager.getKeyComboModel().getKeyComboCodeForKey(getKey()));

  accessibilityManager =
      (AccessibilityManager) getContext().getSystemService(Context.ACCESSIBILITY_SERVICE);
  accessibilityManager.addAccessibilityStateChangeListener(this);

  updateAvailability();
}
 

@Override
protected void initData() {

    mPresenter.getRunningAppInfo();
    mAccessibilityManager = (AccessibilityManager) getContext().getSystemService(Context.ACCESSIBILITY_SERVICE);
    mAccessibilityManager.addAccessibilityStateChangeListener(this);
}
 

private void initAccessibilityService() {
    accessibilityManager = (AccessibilityManager) getSystemService(Context.ACCESSIBILITY_SERVICE);
    accessibilityManager.addAccessibilityStateChangeListener(this);
}
 

@Override
public void onCreate() {
    super.onCreate();

    if (!EventBus.getDefault().isRegistered(this)) {
        EventBus.getDefault().register(this);
    }

    accessibilityManager = (AccessibilityManager) getSystemService(Context.ACCESSIBILITY_SERVICE);
    accessibilityManager.addAccessibilityStateChangeListener(this);

    motionClickIntent = new Intent(this, MotionClickService.class);

    screenRecodeIntent = new Intent(this, ScreenRecodeService.class);

    startAllService();

}
 

@SuppressLint("NewApi")
@Override
public void postInflationStartup() {
    super.postInflationStartup();

    mSnackbarManager = new SnackbarManager(this);
    mDataUseSnackbarController = new DataUseSnackbarController(this, getSnackbarManager());

    mAssistStatusHandler = createAssistStatusHandler();
    if (mAssistStatusHandler != null) {
        if (mTabModelSelector != null) {
            mAssistStatusHandler.setTabModelSelector(mTabModelSelector);
        }
        mAssistStatusHandler.updateAssistState();
    }

    // If a user had ALLOW_LOW_END_DEVICE_UI explicitly set to false then we manually override
    // SysUtils.isLowEndDevice() with a switch so that they continue to see the normal UI. This
    // is only the case for grandfathered-in svelte users. We no longer do so for newer users.
    if (!ChromePreferenceManager.getInstance(this).getAllowLowEndDeviceUi()) {
        CommandLine.getInstance().appendSwitch(
                BaseSwitches.DISABLE_LOW_END_DEVICE_MODE);
    }

    AccessibilityManager manager = (AccessibilityManager)
            getBaseContext().getSystemService(Context.ACCESSIBILITY_SERVICE);
    manager.addAccessibilityStateChangeListener(this);
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
        mTouchExplorationStateChangeListener = new TouchExplorationStateChangeListener() {
            @Override
            public void onTouchExplorationStateChanged(boolean enabled) {
                checkAccessibility();
            }
        };
        manager.addTouchExplorationStateChangeListener(mTouchExplorationStateChangeListener);
    }

    // Make the activity listen to policy change events
    getChromeApplication().addPolicyChangeListener(this);

    // Set up the animation placeholder to be the SurfaceView. This disables the
    // SurfaceView's 'hole' clipping during animations that are notified to the window.
    mWindowAndroid.setAnimationPlaceholderView(mCompositorViewHolder.getSurfaceView());

    // Inform the WindowAndroid of the keyboard accessory view.
    mWindowAndroid.setKeyboardAccessoryView((ViewGroup) findViewById(R.id.keyboard_accessory));
    initializeToolbar();
}
 

@SuppressLint("NewApi")
@Override
public void postInflationStartup() {
    super.postInflationStartup();

    mSnackbarManager = new SnackbarManager(this);
    mDataUseSnackbarController = new DataUseSnackbarController(this, getSnackbarManager());

    mAssistStatusHandler = createAssistStatusHandler();
    if (mAssistStatusHandler != null) {
        if (mTabModelSelector != null) {
            mAssistStatusHandler.setTabModelSelector(mTabModelSelector);
        }
        mAssistStatusHandler.updateAssistState();
    }

    // If a user had ALLOW_LOW_END_DEVICE_UI explicitly set to false then we manually override
    // SysUtils.isLowEndDevice() with a switch so that they continue to see the normal UI. This
    // is only the case for grandfathered-in svelte users. We no longer do so for newer users.
    if (!ChromePreferenceManager.getInstance(this).getAllowLowEndDeviceUi()) {
        CommandLine.getInstance().appendSwitch(
                BaseSwitches.DISABLE_LOW_END_DEVICE_MODE);
    }

    AccessibilityManager manager = (AccessibilityManager)
            getBaseContext().getSystemService(Context.ACCESSIBILITY_SERVICE);
    manager.addAccessibilityStateChangeListener(this);
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
        mTouchExplorationStateChangeListener = new TouchExplorationStateChangeListener() {
            @Override
            public void onTouchExplorationStateChanged(boolean enabled) {
                checkAccessibility();
            }
        };
        manager.addTouchExplorationStateChangeListener(mTouchExplorationStateChangeListener);
    }

    // Make the activity listen to policy change events
    CombinedPolicyProvider.get().addPolicyChangeListener(this);

    // Set up the animation placeholder to be the SurfaceView. This disables the
    // SurfaceView's 'hole' clipping during animations that are notified to the window.
    mWindowAndroid.setAnimationPlaceholderView(mCompositorViewHolder.getSurfaceView());

    // Inform the WindowAndroid of the keyboard accessory view.
    mWindowAndroid.setKeyboardAccessoryView((ViewGroup) findViewById(R.id.keyboard_accessory));
    initializeToolbar();
    initializeTabModels();
    if (!isFinishing() && getFullscreenManager() != null) {
        getFullscreenManager().initialize(
                (ControlContainer) findViewById(R.id.control_container),
                getTabModelSelector(),
                getControlContainerHeightResource());
    }
}
 

@SuppressLint("NewApi")
@Override
public void postInflationStartup() {
    super.postInflationStartup();

    mSnackbarManager = new SnackbarManager(this, null);
    mDataUseSnackbarController = new DataUseSnackbarController(this, getSnackbarManager());

    mAssistStatusHandler = createAssistStatusHandler();
    if (mAssistStatusHandler != null) {
        if (mTabModelSelector != null) {
            mAssistStatusHandler.setTabModelSelector(mTabModelSelector);
        }
        mAssistStatusHandler.updateAssistState();
    }

    // If a user had ALLOW_LOW_END_DEVICE_UI explicitly set to false then we manually override
    // SysUtils.isLowEndDevice() with a switch so that they continue to see the normal UI. This
    // is only the case for grandfathered-in svelte users. We no longer do so for newer users.
    if (!ChromePreferenceManager.getInstance().getAllowLowEndDeviceUi()) {
        CommandLine.getInstance().appendSwitch(
                BaseSwitches.DISABLE_LOW_END_DEVICE_MODE);
    }

    AccessibilityManager manager = (AccessibilityManager)
            getBaseContext().getSystemService(Context.ACCESSIBILITY_SERVICE);
    manager.addAccessibilityStateChangeListener(this);
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
        mTouchExplorationStateChangeListener = new TouchExplorationStateChangeListener() {
            @Override
            public void onTouchExplorationStateChanged(boolean enabled) {
                checkAccessibility();
            }
        };
        manager.addTouchExplorationStateChangeListener(mTouchExplorationStateChangeListener);
    }

    // Make the activity listen to policy change events
    CombinedPolicyProvider.get().addPolicyChangeListener(this);
    mDidAddPolicyChangeListener = true;

    // Set up the animation placeholder to be the SurfaceView. This disables the
    // SurfaceView's 'hole' clipping during animations that are notified to the window.
    getWindowAndroid().setAnimationPlaceholderView(mCompositorViewHolder.getCompositorView());

    // Inform the WindowAndroid of the keyboard accessory view.
    getWindowAndroid().setKeyboardAccessoryView(
            (ViewGroup) findViewById(R.id.keyboard_accessory));
    initializeToolbar();
    initializeTabModels();
    if (!isFinishing() && getFullscreenManager() != null) {
        getFullscreenManager().initialize(
                (ControlContainer) findViewById(R.id.control_container),
                getTabModelSelector(),
                getControlContainerHeightResource());
    }

    if (mBottomSheet != null) {
        mBottomSheet.setTabModelSelector(mTabModelSelector);
        mBottomSheet.setFullscreenManager(mFullscreenManager);

        mFadingBackgroundView = (FadingBackgroundView) findViewById(R.id.fading_focus_target);
        mBottomSheet.addObserver(new EmptyBottomSheetObserver() {
            @Override
            public void onTransitionPeekToHalf(float transitionFraction) {
                mFadingBackgroundView.setViewAlpha(transitionFraction);
            }
        });
        mFadingBackgroundView.addObserver(mBottomSheet);

        mBottomSheetContentController =
                (BottomSheetContentController) ((ViewStub) findViewById(R.id.bottom_nav_stub))
                        .inflate();
        int controlContainerHeight =
                ((ControlContainer) findViewById(R.id.control_container)).getView().getHeight();
        mBottomSheetContentController.init(
                mBottomSheet, controlContainerHeight, mTabModelSelector, this);
    }
    ((BottomContainer) findViewById(R.id.bottom_container)).initialize(mFullscreenManager);
}
 

public static boolean a(AccessibilityManager accessibilitymanager, Object obj)
{
    return accessibilitymanager.addAccessibilityStateChangeListener((android.view.accessibility.AccessibilityManager.AccessibilityStateChangeListener)obj);
}
 

public static boolean addAccessibilityStateChangeListener(AccessibilityManager manager,
        Object listener) {
    return manager.addAccessibilityStateChangeListener(
            (AccessibilityStateChangeListener)listener);
}
 

public static boolean addAccessibilityStateChangeListener(AccessibilityManager manager,
        Object listener) {
    return manager.addAccessibilityStateChangeListener(
            (AccessibilityStateChangeListener)listener);
}
 

public static boolean addAccessibilityStateChangeListener(AccessibilityManager manager,
        Object listener) {
    return manager.addAccessibilityStateChangeListener(
            (AccessibilityStateChangeListener)listener);
}
 

public static boolean addAccessibilityStateChangeListener(AccessibilityManager manager,
        Object listener) {
    return manager.addAccessibilityStateChangeListener(
            (AccessibilityStateChangeListener)listener);
}