The fragments onResume() or onPause() will be called only when the Activities onResume() or onPause() is called. They are tightly coupled to the Activity. Read the Handling the Fragment Lifecycle section of this article.
My suggestion would be to finish the activity that you don’t want the users to go back to. For instance, in your sign in activity, right after you call startActivity, call finish(). When the users hit the back button, they will not be able to go to the sign in activity because it has been … Read more
Look at the getFragmentManager().popBackStack() methods (there are several to choose from) http://developer.android.com/reference/android/app/FragmentManager.html#popBackStack()
In API level 11 a new Intent Flag was added just for this: Intent.FLAG_ACTIVITY_CLEAR_TASK Just to clarify, use this: Java intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK); Kotlin intent.flags = Intent.FLAG_ACTIVITY_NEW_TASK or Intent.FLAG_ACTIVITY_CLEAR_TASK Unfortunately for API lvl <= 10, I haven’t yet found a clean solution to this. The “DontHackAndroidLikeThis” solution is indeed pure hackery. You should not do … Read more