ranbims

 boolean hasNotificationAccess()
    {
        ContentResolver contentResolver = this.getContentResolver();
        String enabledNotificationListeners = Settings.Secure.getString(contentResolver, "enabled_notification_listeners");
        String packageName = this.getPackageName();

        // check to see if the enabledNotificationListeners String contains our package name
        return !(enabledNotificationListeners == null || !enabledNotificationListeners.contains(packageName));
    } 

ranbims

<!-- You can change the parent around to whatever you normally use -->
<style name="DebugColors" parent="Theme.AppCompat">

    <!-- System colors -->
    <item name="android:windowBackground">@color/__debugWindowBackground</item>

    <item name="android:colorPressedHighlight">#FF4400</item>
    <item name="android:colorLongPressedHighlight">#FF0044</item>
    <item name="android:colorFocusedHighlight">#44FF00</item>
    <item name="android:colorActivatedHighlight">#00FF44</item>