What is the ID of the back arrow drawable in the ActionBar?

Question

The following code causes a back arrow to appear in the ActionBar:

getSupportActionBar().setDisplayShowHomeEnabled(true);
getSupportActionBar().setDisplayHomeAsU         


        

Answer 1

If you have the support library in your project, you can make a back button in any place in your applicaction like this:

Specifically the resource for the back arrow is ?attr/homeAsUpIndicator.