public String waitToast(final String pkg, final long timeout) {
	final StringBuffer result = new StringBuffer();
	final Runnable emptyRunnable = new Runnable() {
		@Override
		public void run() {
		}
	};
	final UiAutomation.AccessibilityEventFilter checkWindowUpdate = (UiAutomation.AccessibilityEventFilter) new UiAutomation.AccessibilityEventFilter() {
		public boolean accept(final AccessibilityEvent event) {
			if (event.getEventType() == 64) {
				final String sourcePackageName = (String) event
						.getPackageName();
				if (sourcePackageName.equals(pkg)) {
					final Parcelable parcelable = event.getParcelableData();
					if (!(parcelable instanceof Notification)) {
						final String toastMsg = (String) event.getText()
								.get(0);
						if (toastMsg != null) {
							result.append(toastMsg);
						}
						return true;
					}
				}
			}
			return false;
		}
	};
	try {
		this.getAutomatorBridge()
				.executeCommandAndWaitForAccessibilityEvent(emptyRunnable,
						checkWindowUpdate, timeout);
	} catch (TimeoutException ex) {
	} catch (Exception ex2) {
	}
	return result.toString();
}
 

public AccessibilityEvent executeCommandAndWaitForAccessibilityEvent(Runnable command,
        AccessibilityEventFilter filter, long timeoutMillis) throws TimeoutException {
    return mUiAutomation.executeAndWaitForEvent(command,
            filter, timeoutMillis);
}
 

public AccessibilityEvent executeCommandAndWaitForAccessibilityEvent(
		Runnable command, AccessibilityEventFilter filter,
		long timeoutMillis) throws TimeoutException {
	return mUiAutomation.executeAndWaitForEvent(command, filter,
			timeoutMillis);
}