How do I make the app icon appear in the action bar?

Question

by default it was to appear but it is not appearing I found this question Application icon does not appear but the answer did not answer me.

Answer 1

Use the method setDisplayShowHomeEnabled() to view the home button space:

getSupportActionBar().setDisplayShowHomeEnabled(true);

Then the method setIcon() to set the icon you want to view:

getSupportActionBar().setIcon(R.drawable.ic_launcher);

Look at this response in the gringo OS.