Unable To Pause Activity Exception In Android

Hi I am developing small android application. So my application contains following things. 3 Activities consider A1, A2, A3. A1 is my launcher activity. my application also contain

Solution 1:

It happens because your A2 Activity is not started. You need to check that onCreate() and onStart() method are finished in your A2 Activity and only after that you have to start A3 Activity.