SecurityException (@Parcel:readException:1327) {AdWorker #1}

From my research, this bug seems to be introduced when admob was integrated into Google Play service. You would see this exception when you use r15, r16 of Google Play services.

Currently, there's no solution. But the Google Team is aimming to fix this in r17.

More information here https://groups.google.com/forum/#!topic/google-admob-ads-sdk/sePctoDJbRg%5B101-125-false%5D

NullPointerException (@ActionBarImplICS:getThemedContext:287) {main}

This most likely shows up when you are trying to hide the actionbar in your app's activities.

You may be using:

requestWindowFeature(Window.FEATURE_NO_TITLE);

However, you may see NullPointerException (@ActionBarImplICS:getThemedContext:287) {main} when users press the menu button in their devices. Some Android devices have the menu button as the hardware button, while Kindle Fire devices have the menu button as a software button.

To prevent the crash from happening, you can override the menu button key code to do nothing:

@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
   if ( keyCode == KeyEvent.KEYCODE_MENU ) {
       // do nothing
       return true;
   }
   return super.onKeyDown(keyCode, event);
}