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

下面列出了android.view.accessibility.AccessibilityManager#isEnabled ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。

源代码1 项目： PocketEOS-Android 文件： BaseWebView.java

public static void disableAccessibility(Context context) {
    if (Build.VERSION.SDK_INT == 17/*4.2 (Build.VERSION_CODES.JELLY_BEAN_MR1)*/) {
        if (context != null) {
            try {
                AccessibilityManager am = (AccessibilityManager) context.getSystemService(Context.ACCESSIBILITY_SERVICE);
                if (!am.isEnabled()) {
                    //Not need to disable accessibility
                    return;
                }

                Method setState = am.getClass().getDeclaredMethod("setState", int.class);
                setState.setAccessible(true);
                setState.invoke(am, 0);/**{@link AccessibilityManager#STATE_FLAG_ACCESSIBILITY_ENABLED}*/
            } catch (Exception ignored) {
                ignored.printStackTrace();
            }
        }
    }
}

源代码2 项目： LaunchEnr 文件： Workspace.java

public ValueAnimator createHotseatAlphaAnimator(float finalValue) {
    if (Float.compare(finalValue, mHotseatAlpha[HOTSEAT_STATE_ALPHA_INDEX]) == 0) {
        // Return a dummy animator to avoid null checks.
        return ValueAnimator.ofFloat(0, 0);
    } else {
        ValueAnimator animator = ValueAnimator
                .ofFloat(mHotseatAlpha[HOTSEAT_STATE_ALPHA_INDEX], finalValue);
        animator.addUpdateListener(new AnimatorUpdateListener() {
            @Override
            public void onAnimationUpdate(ValueAnimator valueAnimator) {
                float value = (Float) valueAnimator.getAnimatedValue();
                setHotseatAlphaAtIndex(value, HOTSEAT_STATE_ALPHA_INDEX);
            }
        });

        AccessibilityManager am = (AccessibilityManager)
                mLauncher.getSystemService(Context.ACCESSIBILITY_SERVICE);
        final boolean accessibilityEnabled = am.isEnabled();
        animator.addUpdateListener(
                new AlphaUpdateListener(mLauncher.getHotseat(), accessibilityEnabled));
        animator.addUpdateListener(
                new AlphaUpdateListener(mPageIndicator, accessibilityEnabled));
        return animator;
    }
}

源代码3 项目： libcommon 文件： TalkBackHelper.java

/**
 * 指定したテキストをTalkBackで読み上げる(TalkBackが有効な場合)
 * @param context
 * @param text
 * @throws IllegalStateException
 */
public static void announceText(@NonNull final Context context,
	@Nullable final CharSequence[] text) throws IllegalStateException {

	if ((text == null) || (text.length == 0) || (context == null)) return;
	final AccessibilityManager manager
		= ContextUtils.requireSystemService(context, AccessibilityManager.class);
	if ((manager != null) && manager.isEnabled()) {
		final AccessibilityEvent event = AccessibilityEvent.obtain();
		if (event != null) {
			event.setEventType(AccessibilityEventCompat.TYPE_ANNOUNCEMENT);
			event.setClassName(TalkBackHelper.class.getName());
			event.setPackageName(context.getPackageName());
			for (final CharSequence t: text) {
				event.getText().add(t);
			}
			manager.sendAccessibilityEvent(event);
		} else {
			throw new IllegalStateException("failed to obtain AccessibilityEvent");
		}
	} else {
		throw new IllegalStateException("AccessibilityManager is not available/or disabled");
	}
}

源代码4 项目： SuperToasts 文件： AccessibilityUtils.java

/**
 * Try to send an {@link AccessibilityEvent}
 * for a {@link View}.
 *
 * @param view The View that will dispatch the AccessibilityEvent
 * @return true if the AccessibilityEvent was dispatched
 */
@SuppressWarnings("UnusedReturnValue")
public static boolean sendAccessibilityEvent(View view) {
    final AccessibilityManager accessibilityManager = (AccessibilityManager)
            view.getContext().getSystemService(Context.ACCESSIBILITY_SERVICE);

    if (!accessibilityManager.isEnabled()) return false;

    final AccessibilityEvent accessibilityEvent = AccessibilityEvent
            .obtain(AccessibilityEvent.TYPE_NOTIFICATION_STATE_CHANGED);
    accessibilityEvent.setClassName(view.getClass().getName());
    accessibilityEvent.setPackageName(view.getContext().getPackageName());

    view.dispatchPopulateAccessibilityEvent(accessibilityEvent);
    accessibilityManager.sendAccessibilityEvent(accessibilityEvent);

    return true;
}

源代码5 项目： rexxar-android 文件： WebViewCompatUtils.java

/**
 * m:lorss
 * 关闭辅助功能，针对4.2.1和4.2.2 崩溃问题
 * java.lang.NullPointerException
 * at android.webkit.AccessibilityInjector$TextToSpeechWrapper$1.onInit(AccessibilityInjector.java:753)
 * ... ...
 * at android.webkit.CallbackProxy.handleMessage(CallbackProxy.java:321)
 */
private static void disableAccessibility(Context context) {
    if (Build.VERSION.SDK_INT == 17/*4.2 (Build.VERSION_CODES.JELLY_BEAN_MR1)*/) {
        if (context != null) {
            try {
                AccessibilityManager am = (AccessibilityManager) context.getSystemService(Context.ACCESSIBILITY_SERVICE);
                if (!am.isEnabled()) {
                    //Not need to disable accessibility
                    return;
                }

                Method setState = am.getClass().getDeclaredMethod("setState", int.class);
                setState.setAccessible(true);
                setState.invoke(am, 0);/**{@link AccessibilityManager#STATE_FLAG_ACCESSIBILITY_ENABLED}*/
            } catch (Exception ignored) {
                ignored.printStackTrace();
            }
        }
    }
}

源代码6 项目： android_9.0.0_r45 文件： Toast.java

private void trySendAccessibilityEvent() {
    AccessibilityManager accessibilityManager =
            AccessibilityManager.getInstance(mView.getContext());
    if (!accessibilityManager.isEnabled()) {
        return;
    }
    // treat toasts as notifications since they are used to
    // announce a transient piece of information to the user
    AccessibilityEvent event = AccessibilityEvent.obtain(
            AccessibilityEvent.TYPE_NOTIFICATION_STATE_CHANGED);
    event.setClassName(getClass().getName());
    event.setPackageName(mView.getContext().getPackageName());
    mView.dispatchPopulateAccessibilityEvent(event);
    accessibilityManager.sendAccessibilityEvent(event);
}

源代码7 项目： JsDroidCmd 文件： JsWindow.java

private void trySendAccessibilityEvent() {
	AccessibilityManager accessibilityManager = AccessibilityManager
			.getInstance(mView.getContext());
	if (!accessibilityManager.isEnabled()) {
		return;
	}
	// treat toasts as notifications since they are used to
	// announce a transient piece of information to the user
	AccessibilityEvent event = AccessibilityEvent
			.obtain(AccessibilityEvent.TYPE_NOTIFICATION_STATE_CHANGED);
	event.setClassName(getClass().getName());
	event.setPackageName(mView.getContext().getPackageName());
	mView.dispatchPopulateAccessibilityEvent(event);
	accessibilityManager.sendAccessibilityEvent(event);
}

源代码8 项目： Noyze 文件： Utils.java

/**
 * @return True if system-wide Accessibility is enabled.
 */
public static boolean isAccessibilityEnabled(Context context) {
    // Also see Settings.Secure.ACCESSIBILITY_ENABLED, alternative method.
    AccessibilityManager aManager = (AccessibilityManager)
            context.getSystemService(Context.ACCESSIBILITY_SERVICE);
    return (null != aManager && aManager.isEnabled());
}

源代码9 项目： LB-Launcher 文件： DragLayer.java

private void sendTapOutsideFolderAccessibilityEvent(boolean isEditingName) {
    AccessibilityManager accessibilityManager = (AccessibilityManager)
            getContext().getSystemService(Context.ACCESSIBILITY_SERVICE);
    if (accessibilityManager.isEnabled()) {
        int stringId = isEditingName ? R.string.folder_tap_to_rename : R.string.folder_tap_to_close;
        AccessibilityEvent event = AccessibilityEvent.obtain(
                AccessibilityEvent.TYPE_VIEW_FOCUSED);
        onInitializeAccessibilityEvent(event);
        event.getText().add(getContext().getString(stringId));
        accessibilityManager.sendAccessibilityEvent(event);
    }
}

源代码10 项目： NewXmPluginSDK 文件： NumberPicker.java

private void sendAccessibilityEventForVirtualButton(int virtualViewId, int eventType, String text) {
    AccessibilityManager acm = (AccessibilityManager) getContext().getSystemService(Context.ACCESSIBILITY_SERVICE);
    if (acm.isEnabled()) {
        AccessibilityEvent event = AccessibilityEvent.obtain(eventType);
        event.setClassName(Button.class.getName());
        event.setPackageName(getContext().getPackageName());
        event.getText().add(text);
        event.setEnabled(NumberPicker.this.isEnabled());
        event.setSource(NumberPicker.this, virtualViewId);
        requestSendAccessibilityEvent(NumberPicker.this, event);
    }
}

源代码11 项目： Telegram-FOSS 文件： AndroidUtilities.java

public static void makeAccessibilityAnnouncement(CharSequence what) {
    AccessibilityManager am = (AccessibilityManager) ApplicationLoader.applicationContext.getSystemService(Context.ACCESSIBILITY_SERVICE);
    if (am.isEnabled()) {
        AccessibilityEvent ev = AccessibilityEvent.obtain();
        ev.setEventType(AccessibilityEvent.TYPE_ANNOUNCEMENT);
        ev.getText().add(what);
        am.sendAccessibilityEvent(ev);
    }
}

源代码12 项目： talkback 文件： TalkBackKeyboardShortcutPreferencesActivity.java

/** Utility method for announcing text via accessibility event. */
public static void announceText(String text, Context context) {
  AccessibilityManager accessibilityManager =
      (AccessibilityManager) context.getSystemService(Context.ACCESSIBILITY_SERVICE);
  if (accessibilityManager.isEnabled()) {
    AccessibilityEvent event = AccessibilityEvent.obtain(AccessibilityEvent.TYPE_ANNOUNCEMENT);
    event.setContentDescription(text);
    accessibilityManager.sendAccessibilityEvent(event);
  }
}

源代码13 项目： LaunchEnr 文件： Utilities.java

public static void sendCustomAccessibilityEvent(View target, int type, String text) {
    AccessibilityManager accessibilityManager = (AccessibilityManager)
            target.getContext().getSystemService(Context.ACCESSIBILITY_SERVICE);
    if (accessibilityManager.isEnabled()) {
        AccessibilityEvent event = AccessibilityEvent.obtain(type);
        target.onInitializeAccessibilityEvent(event);
        event.getText().add(text);
        accessibilityManager.sendAccessibilityEvent(event);
    }
}

源代码14 项目： MaterialPreference 文件： CheckBoxPreference.java

private void syncViewIfAccessibilityEnabled(View view) {
    AccessibilityManager accessibilityManager = (AccessibilityManager)
            getContext().getSystemService(Context.ACCESSIBILITY_SERVICE);
    if (!accessibilityManager.isEnabled()) {
        return;
    }

    View checkboxView = view.findViewById(android.R.id.checkbox);
    syncCheckboxView(checkboxView);

    View summaryView = view.findViewById(android.R.id.summary);
    syncSummaryView(summaryView);
}

源代码15 项目： Trebuchet 文件： WorkspaceStateTransitionAnimation.java

public AnimatorSet getAnimationToState(Workspace.State fromState, Workspace.State toState,
        int toPage, boolean animated, HashMap<View, Integer> layerViews) {
    AccessibilityManager am = (AccessibilityManager)
            mLauncher.getSystemService(Context.ACCESSIBILITY_SERVICE);
    final boolean accessibilityEnabled = am.isEnabled();
    TransitionStates states = new TransitionStates(fromState, toState);
    int workspaceDuration = getAnimationDuration(states);
    animateWorkspace(states, toPage, animated, workspaceDuration, layerViews,
            accessibilityEnabled);
    animateBackgroundGradient(states, animated, BACKGROUND_FADE_OUT_DURATION);
    return mStateAnimator;
}

源代码16 项目： delion 文件： AccessibilityUtil.java

/**
 * Checks to see that this device has accessibility and touch exploration enabled.
 * @param context A {@link Context} instance.
 * @return        Whether or not accessibility and touch exploration are enabled.
 */
@CalledByNative
public static boolean isAccessibilityEnabled(Context context) {
    AccessibilityManager manager = (AccessibilityManager)
            context.getSystemService(Context.ACCESSIBILITY_SERVICE);
    return manager != null && manager.isEnabled() && manager.isTouchExplorationEnabled();
}

源代码17 项目： LB-Launcher 文件： PagedView.java

protected boolean computeScrollHelper() {
    if (mScroller.computeScrollOffset()) {
        // Don't bother scrolling if the page does not need to be moved
        if (getScrollX() != mScroller.getCurrX()
            || getScrollY() != mScroller.getCurrY()
            || mOverScrollX != mScroller.getCurrX()) {
            float scaleX = mFreeScroll ? getScaleX() : 1f;
            int scrollX = (int) (mScroller.getCurrX() * (1 / scaleX));
            scrollTo(scrollX, mScroller.getCurrY());
        }
        invalidate();
        return true;
    } else if (mNextPage != INVALID_PAGE) {
        sendScrollAccessibilityEvent();

        mCurrentPage = validateNewPage(mNextPage);
        mNextPage = INVALID_PAGE;
        notifyPageSwitchListener();

        // Load the associated pages if necessary
        if (mDeferLoadAssociatedPagesUntilScrollCompletes) {
            loadAssociatedPages(mCurrentPage);
            mDeferLoadAssociatedPagesUntilScrollCompletes = false;
        }

        // We don't want to trigger a page end moving unless the page has settled
        // and the user has stopped scrolling
        if (mTouchState == TOUCH_STATE_REST) {
            pageEndMoving();
        }

        onPostReorderingAnimationCompleted();
        AccessibilityManager am = (AccessibilityManager)
                getContext().getSystemService(Context.ACCESSIBILITY_SERVICE);
        if (am.isEnabled()) {
            // Notify the user when the page changes
            announceForAccessibility(getCurrentPageDescription());
        }
        return true;
    }
    return false;
}

源代码18 项目： AgentWeb 文件： AgentWebView.java

private boolean isAccessibilityEnabled() {
    AccessibilityManager am = (AccessibilityManager) getContext().getSystemService(Context.ACCESSIBILITY_SERVICE);
    return am.isEnabled();
}

源代码19 项目： TurboLauncher 文件： AppsCustomizePagedView.java

protected void onResume() {
    AccessibilityManager am = (AccessibilityManager)
            getContext().getSystemService(Context.ACCESSIBILITY_SERVICE);
    sAccessibilityEnabled = am.isEnabled();
}

源代码20 项目： libcommon 文件： TalkBackHelper.java

/**
 * Accessibilityが有効になっているかどうかを取得
 * @param context
 * @return
 */
public static boolean isEnabled(@NonNull final Context context) {
	final AccessibilityManager manager
		= ContextUtils.requireSystemService(context, AccessibilityManager.class);
	return manager.isEnabled();
}

方法所在类

android.view.accessibility.AccessibilityManager