Examples with AccessibilityManager android.view.accessibility.AccessibilityManager used on opensource projects

Example 71 with AccessibilityManager

use of android.view.accessibility.AccessibilityManager in project ZI by yixia.

the class Manager method announceForAccessibilityCompat.

/**
 * Generates and dispatches an SDK-specific spoken announcement.
 * <p>
 * For backwards compatibility, we're constructing an event from scratch
 * using the appropriate event type. If your application only targets SDK
 * 16+, you can just call View.announceForAccessibility(CharSequence).
 * </p>
 * <p/>
 * note: AccessibilityManager is only available from API lvl 4.
 * <p/>
 * Adapted from https://http://eyes-free.googlecode.com/files/accessibility_codelab_demos_v2_src.zip
 * via https://github.com/coreform/android-formidable-validation
 *
 * @param context
 *   Used to get {@link AccessibilityManager}
 * @param text
 *   The text to announce.
 */
public static void announceForAccessibilityCompat(Context context, CharSequence text) {
    if (Build.VERSION.SDK_INT >= 4) {
        AccessibilityManager accessibilityManager = (AccessibilityManager) context.getSystemService(Context.ACCESSIBILITY_SERVICE);
        if (!accessibilityManager.isEnabled()) {
            return;
        }
        // Prior to SDK 16, announcements could only be made through FOCUSED
        // events. Jelly Bean (SDK 16) added support for speaking text verbatim
        // using the ANNOUNCEMENT event type.
        final int eventType;
        if (Build.VERSION.SDK_INT < 16) {
            eventType = AccessibilityEvent.TYPE_VIEW_FOCUSED;
        } else {
            eventType = AccessibilityEventCompat.TYPE_ANNOUNCEMENT;
        }
        // Construct an accessibility event with the minimum recommended
        // attributes. An event without a class name or package may be dropped.
        final AccessibilityEvent event = AccessibilityEvent.obtain(eventType);
        event.getText().add(text);
        event.setClassName(Manager.class.getName());
        event.setPackageName(context.getPackageName());
        // Sends the event directly through the accessibility manager. If your
        // application only targets SDK 14+, you should just call
        // getParent().requestSendAccessibilityEvent(this, event);
        accessibilityManager.sendAccessibilityEvent(event);
    }
}

Example 72 with AccessibilityManager

use of android.view.accessibility.AccessibilityManager in project Crouton by keyboardsurfer.

the class Manager method announceForAccessibilityCompat.

/**
   * Generates and dispatches an SDK-specific spoken announcement.
   * <p>
   * For backwards compatibility, we're constructing an event from scratch
   * using the appropriate event type. If your application only targets SDK
   * 16+, you can just call View.announceForAccessibility(CharSequence).
   * </p>
   * <p/>
   * note: AccessibilityManager is only available from API lvl 4.
   * <p/>
   * Adapted from https://http://eyes-free.googlecode.com/files/accessibility_codelab_demos_v2_src.zip
   * via https://github.com/coreform/android-formidable-validation
   *
   * @param context
   *     Used to get {@link AccessibilityManager}
   * @param text
   *     The text to announce.
   */
public static void announceForAccessibilityCompat(Context context, CharSequence text) {
    if (Build.VERSION.SDK_INT >= 4) {
        AccessibilityManager accessibilityManager = null;
        if (null != context) {
            accessibilityManager = (AccessibilityManager) context.getSystemService(Context.ACCESSIBILITY_SERVICE);
        }
        if (null == accessibilityManager || !accessibilityManager.isEnabled()) {
            return;
        }
        // Prior to SDK 16, announcements could only be made through FOCUSED
        // events. Jelly Bean (SDK 16) added support for speaking text verbatim
        // using the ANNOUNCEMENT event type.
        final int eventType;
        if (Build.VERSION.SDK_INT < 16) {
            eventType = AccessibilityEvent.TYPE_VIEW_FOCUSED;
        } else {
            eventType = AccessibilityEvent.TYPE_ANNOUNCEMENT;
        }
        // Construct an accessibility event with the minimum recommended
        // attributes. An event without a class name or package may be dropped.
        final AccessibilityEvent event = AccessibilityEvent.obtain(eventType);
        event.getText().add(text);
        event.setClassName(Manager.class.getName());
        event.setPackageName(context.getPackageName());
        // Sends the event directly through the accessibility manager. If your
        // application only targets SDK 14+, you should just call
        // getParent().requestSendAccessibilityEvent(this, event);
        accessibilityManager.sendAccessibilityEvent(event);
    }
}

Example 73 with AccessibilityManager

use of android.view.accessibility.AccessibilityManager in project Launcher3 by chislon.

the class Workspace method onResume.

protected void onResume() {
    if (getPageIndicator() != null) {
        // In case accessibility state has changed, we need to perform this on every
        // attach to window
        OnClickListener listener = getPageIndicatorClickListener();
        if (listener != null) {
            getPageIndicator().setOnClickListener(listener);
        }
    }
    AccessibilityManager am = (AccessibilityManager) getContext().getSystemService(Context.ACCESSIBILITY_SERVICE);
    sAccessibilityEnabled = am.isEnabled();
}

Example 74 with AccessibilityManager

use of android.view.accessibility.AccessibilityManager in project Launcher3 by chislon.

the class DragLayer method onInterceptHoverEvent.

@Override
public boolean onInterceptHoverEvent(MotionEvent ev) {
    if (mLauncher == null || mLauncher.getWorkspace() == null) {
        return false;
    }
    Folder currentFolder = mLauncher.getWorkspace().getOpenFolder();
    if (currentFolder == null) {
        return false;
    } else {
        AccessibilityManager accessibilityManager = (AccessibilityManager) getContext().getSystemService(Context.ACCESSIBILITY_SERVICE);
        if (accessibilityManager.isTouchExplorationEnabled()) {
            final int action = ev.getAction();
            boolean isOverFolder;
            switch(action) {
                case MotionEvent.ACTION_HOVER_ENTER:
                    isOverFolder = isEventOverFolder(currentFolder, ev);
                    if (!isOverFolder) {
                        sendTapOutsideFolderAccessibilityEvent(currentFolder.isEditingName());
                        mHoverPointClosesFolder = true;
                        return true;
                    } else if (isOverFolder) {
                        mHoverPointClosesFolder = false;
                    } else {
                        return true;
                    }
                case MotionEvent.ACTION_HOVER_MOVE:
                    isOverFolder = isEventOverFolder(currentFolder, ev);
                    if (!isOverFolder && !mHoverPointClosesFolder) {
                        sendTapOutsideFolderAccessibilityEvent(currentFolder.isEditingName());
                        mHoverPointClosesFolder = true;
                        return true;
                    } else if (isOverFolder) {
                        mHoverPointClosesFolder = false;
                    } else {
                        return true;
                    }
            }
        }
    }
    return false;
}

Example 75 with AccessibilityManager

use of android.view.accessibility.AccessibilityManager in project Launcher3 by chislon.

the class DragLayer method sendTapOutsideFolderAccessibilityEvent.

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);
    }
}