Back button behavior with tabs and ActivityGroup

Question

I have an Activity (Main) which shows tabs like this:

private void initTabs(){
    mTabHost = getTabHost(); // The activity TabHost

    Intent inte         


        

Answer 1

So I found the answer.

I have an admob adview in my Main, which seems the cause of this problem. This is the xml:

When I remove the adview, the problem doesn't occur.

Now to solve this, I've changed the xml into this: