Java Code Examples for android.view.accessibility.AccessibilityEvent#TYPE_VIEW_TEXT_TRAVERSED_AT_MOVEMENT_GRANULARITY

The following examples show how to use android.view.accessibility.AccessibilityEvent#TYPE_VIEW_TEXT_TRAVERSED_AT_MOVEMENT_GRANULARITY . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: EventFilter.java    From talkback with Apache License 2.0 5 votes vote down vote up 
private boolean shouldSkipCursorMovementEvent(AccessibilityEvent event) {
  AccessibilityEvent lastKeptTextSelection = textEventHistory.getLastKeptTextSelection();
  if (lastKeptTextSelection == null) {
    return false;
  }

  // If event is at least X later than previous event, then keep it.
  if (event.getEventTime() - lastKeptTextSelection.getEventTime()
      > CURSOR_MOVEMENT_EVENTS_DELAY) {
    textEventHistory.setLastKeptTextSelection(null);
    return false;
  }

  // If event has the same type as previous, it is from a different action, so keep it.
  if (event.getEventType() == lastKeptTextSelection.getEventType()) {
    return false;
  }

  // If text-selection-change is followed by text-move-with-granularity, skip movement.
  if (lastKeptTextSelection.getEventType() == AccessibilityEvent.TYPE_VIEW_TEXT_SELECTION_CHANGED
      && event.getEventType()
          == AccessibilityEvent.TYPE_VIEW_TEXT_TRAVERSED_AT_MOVEMENT_GRANULARITY) {
    return true;
  }

  return false;
}
Example 2
Source File: TextEventInterpreter.java    From talkback with Apache License 2.0 5 votes vote down vote up 
/** Extract a text event interpretation data from event. May return null. */
public @Nullable TextEventInterpretation interpret(AccessibilityEvent event) {
  // Interpret more specific event type.
  @Compositor.Event int eventType = event.getEventType();
  TextEventInterpretation interpretation;
  boolean isTextEvent = false;
  switch (eventType) {
    case AccessibilityEvent.TYPE_VIEW_TEXT_CHANGED:
      interpretation = interpretTextChange(event);
      isTextEvent = true;
      break;

    case AccessibilityEvent.TYPE_VIEW_TEXT_SELECTION_CHANGED:
    case AccessibilityEvent.TYPE_VIEW_TEXT_TRAVERSED_AT_MOVEMENT_GRANULARITY:
      interpretation = interpretSelectionChange(event);
      isTextEvent = true;
      break;

    default:
      return null;
  }

  // Display interpretation, seal interpretation.
  interpretation.setReadOnly();
  if (isTextEvent) {
    LogUtils.i(TAG, "interpretation: %s", interpretation);
  }
  return interpretation;
}
Example 3
Source File: AccessibilityEventUtils.java    From talkback with Apache License 2.0 5 votes vote down vote up 
public static int[] getAllEventTypes() {
  return new int[] {
    AccessibilityEvent.TYPE_ANNOUNCEMENT,
    AccessibilityEvent.TYPE_ASSIST_READING_CONTEXT,
    AccessibilityEvent.TYPE_GESTURE_DETECTION_END,
    AccessibilityEvent.TYPE_GESTURE_DETECTION_START,
    AccessibilityEvent.TYPE_NOTIFICATION_STATE_CHANGED,
    AccessibilityEvent.TYPE_TOUCH_EXPLORATION_GESTURE_END,
    AccessibilityEvent.TYPE_TOUCH_EXPLORATION_GESTURE_START,
    AccessibilityEvent.TYPE_TOUCH_INTERACTION_END,
    AccessibilityEvent.TYPE_TOUCH_INTERACTION_START,
    AccessibilityEvent.TYPE_VIEW_ACCESSIBILITY_FOCUSED,
    AccessibilityEvent.TYPE_VIEW_ACCESSIBILITY_FOCUS_CLEARED,
    AccessibilityEvent.TYPE_VIEW_CLICKED,
    AccessibilityEvent.TYPE_VIEW_CONTEXT_CLICKED,
    AccessibilityEvent.TYPE_VIEW_FOCUSED,
    AccessibilityEvent.TYPE_VIEW_HOVER_ENTER,
    AccessibilityEvent.TYPE_VIEW_HOVER_EXIT,
    AccessibilityEvent.TYPE_VIEW_LONG_CLICKED,
    AccessibilityEvent.TYPE_VIEW_SCROLLED,
    AccessibilityEvent.TYPE_VIEW_SELECTED,
    AccessibilityEvent.TYPE_VIEW_TEXT_CHANGED,
    AccessibilityEvent.TYPE_VIEW_TEXT_SELECTION_CHANGED,
    AccessibilityEvent.TYPE_VIEW_TEXT_TRAVERSED_AT_MOVEMENT_GRANULARITY,
    AccessibilityEvent.TYPE_WINDOWS_CHANGED,
    AccessibilityEvent.TYPE_WINDOW_CONTENT_CHANGED,
    AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED
  };
}
Example 4
Source File: AccessibilityEventUtils.java    From talkback with Apache License 2.0 4 votes vote down vote up 
public static boolean isCharacterTraversalEvent(AccessibilityEvent event) {
  return (event.getEventType()
          == AccessibilityEvent.TYPE_VIEW_TEXT_TRAVERSED_AT_MOVEMENT_GRANULARITY
      && event.getMovementGranularity()
          == AccessibilityNodeInfoCompat.MOVEMENT_GRANULARITY_CHARACTER);
}
Example 5
Source File: AccessibilityEventUtils.java    From talkback with Apache License 2.0 4 votes vote down vote up 
public static String typeToString(int eventType) {
  switch (eventType) {
    case AccessibilityEvent.TYPE_ANNOUNCEMENT:
      return "TYPE_ANNOUNCEMENT";
    case AccessibilityEvent.TYPE_ASSIST_READING_CONTEXT:
      return "TYPE_ASSIST_READING_CONTEXT";
    case AccessibilityEvent.TYPE_GESTURE_DETECTION_END:
      return "TYPE_GESTURE_DETECTION_END";
    case AccessibilityEvent.TYPE_GESTURE_DETECTION_START:
      return "TYPE_GESTURE_DETECTION_START";
    case AccessibilityEvent.TYPE_NOTIFICATION_STATE_CHANGED:
      return "TYPE_NOTIFICATION_STATE_CHANGED";
    case AccessibilityEvent.TYPE_TOUCH_EXPLORATION_GESTURE_END:
      return "TYPE_TOUCH_EXPLORATION_GESTURE_END";
    case AccessibilityEvent.TYPE_TOUCH_EXPLORATION_GESTURE_START:
      return "TYPE_TOUCH_EXPLORATION_GESTURE_START";
    case AccessibilityEvent.TYPE_TOUCH_INTERACTION_END:
      return "TYPE_TOUCH_INTERACTION_END";
    case AccessibilityEvent.TYPE_TOUCH_INTERACTION_START:
      return "TYPE_TOUCH_INTERACTION_START";
    case AccessibilityEvent.TYPE_VIEW_ACCESSIBILITY_FOCUSED:
      return "TYPE_VIEW_ACCESSIBILITY_FOCUSED";
    case AccessibilityEvent.TYPE_VIEW_ACCESSIBILITY_FOCUS_CLEARED:
      return "TYPE_VIEW_ACCESSIBILITY_FOCUS_CLEARED";
    case AccessibilityEvent.TYPE_VIEW_CLICKED:
      return "TYPE_VIEW_CLICKED";
    case AccessibilityEvent.TYPE_VIEW_CONTEXT_CLICKED:
      return "TYPE_VIEW_CONTEXT_CLICKED";
    case AccessibilityEvent.TYPE_VIEW_FOCUSED:
      return "TYPE_VIEW_FOCUSED";
    case AccessibilityEvent.TYPE_VIEW_HOVER_ENTER:
      return "TYPE_VIEW_HOVER_ENTER";
    case AccessibilityEvent.TYPE_VIEW_HOVER_EXIT:
      return "TYPE_VIEW_HOVER_EXIT";
    case AccessibilityEvent.TYPE_VIEW_LONG_CLICKED:
      return "TYPE_VIEW_LONG_CLICKED";
    case AccessibilityEvent.TYPE_VIEW_SCROLLED:
      return "TYPE_VIEW_SCROLLED";
    case AccessibilityEvent.TYPE_VIEW_SELECTED:
      return "TYPE_VIEW_SELECTED";
    case AccessibilityEvent.TYPE_VIEW_TEXT_CHANGED:
      return "TYPE_VIEW_TEXT_CHANGED";
    case AccessibilityEvent.TYPE_VIEW_TEXT_SELECTION_CHANGED:
      return "TYPE_VIEW_TEXT_SELECTION_CHANGED";
    case AccessibilityEvent.TYPE_VIEW_TEXT_TRAVERSED_AT_MOVEMENT_GRANULARITY:
      return "TYPE_VIEW_TEXT_TRAVERSED_AT_MOVEMENT_GRANULARITY";
    case AccessibilityEvent.TYPE_WINDOWS_CHANGED:
      return "TYPE_WINDOWS_CHANGED";
    case AccessibilityEvent.TYPE_WINDOW_CONTENT_CHANGED:
      return "TYPE_WINDOW_CONTENT_CHANGED";
    case AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED:
      return "TYPE_WINDOW_STATE_CHANGED";
    default:
      return "(unhandled)";
  }
}