Proper way to handle action bar up button?

Question

I use ActionBarSherlock (although I don\'t think it matters).

I have a Main activity and an About activity. I want the About activity to show the back-arrow by its l

Answer 1

Found out the root of my problem was a change in the manifest I made a while ago: I added this line:

android:launchMode="singleInstance"

so my main activity wouldn't be relaunched. Changing it to:

android:launchMode="singleTask"

solved my problems, and I was able to remove all the onOptionsItemSelected stuff. I knew there was something wrong, that Android should have been able to handle this better, and I was right. Check the manifest :P