open close notification-bar

collpasePanel.java

/*
   For opening and closing the notification-bar programmatically. Here is an example for closing.
   <uses-permission android:name=“android.permission.EXPAND_STATUS_BAR” />
   It might be an unofficial info.

   http://stackoverflow.com/questions/5029354/how-can-i-programmatically-open-close-notifications-in-android http://stackoverflow.com/questions/13766789/android-how-to-collapse-status-bar-on-android-4-2
 */

private static void collpasePanel(Context _context) {
	try {
		Object sbservice = _context.getSystemService("statusbar");
		Class<?> statusbarManager;
		statusbarManager = Class.forName("android.app.StatusBarManager");
		Method showsb;
		if (Build.VERSION.SDK_INT >= 17) {
			showsb = statusbarManager.getMethod("collapsePanels");
		} else {
			showsb = statusbarManager.getMethod("collapse");
		}
		showsb.invoke(sbservice);
	} catch (ClassNotFoundException _e) {
		_e.printStackTrace();
	} catch (NoSuchMethodException _e) {
		_e.printStackTrace();
	} catch (IllegalArgumentException _e) {
		_e.printStackTrace();
	} catch (IllegalAccessException _e) {
		_e.printStackTrace();
	} catch (InvocationTargetException _e) {
		_e.printStackTrace();
	}
}

Getting this exception android.app.StatusBarManager.collapsePanels []