Which one to use NavUtils.navigateUpFromSameTask() vs. onBackPressed()

Question

I have two activities A and B. The A has a ListFragment which uses LoaderManager, whereas B activity shows a details about the item selected in the A\'s ListFragment. I\'ve

Answer 1

check out this presentation: https://speakerdeck.com/jgilfelt/this-way-up-implementing-effective-navigation-on-android. It answers to all of your problems.