To Visible State :
On Activity starting for the first time - onCreate > onStart > onResume
To Partially visible state :
On Dialog Activity open - onPause
On Dialog Activity dismiss - onRestart
To Invisible state :
On screen off - onPause > onStop
On minimising Activity - onPause > onStop
On reopening a minimised Activity - onRestart > onStart > onResume
On opening other activity through Intent - onPause > onStop
On moving back to previous activity - onRestart > onStart > onResume
On Destroyed state :
On back button pressed - onPause > onStop > onDestroy
On finish - onPause > onStop > onDestroy
What happens when you keep on opening new Activity from existing Activity :
