[android-developers] Null Pointer Exception

Hi, I'm facing a problem with the Intent Null Pointer Exception firstly i have Started first activity then second activity when i want to come back to the second activity it's give the Null Pointer Exception .. My First activity is Intent screenIntent = new Intent(Main.this, TabHome.class); s

[android-developers] not able to pause the activity

hi, i have made a dialer class(activity) when user press the dial button he get navigate form this activity to other activity on which i have given a disconnect button but when user press on disconnect button my application crash and show the error of null pointer exception