The application icon does not show on action bar

Question

I followed up the instructions of building a new android project and I got a runnable one except a problem with action bar. The problem is that the application icon is not s

Answer 1

Make sure you have the icon set in the manifest.xml file, in the application tag as:

    android:icon="@drawable/launcher_icon"

Then in the onCreate method insert the following lines:

    ActionBar ab =getSupportActionBar(); 
    ab.setDisplayShowHomeEnabled(true);
    ab.setIcon(R.drawable.launcher_icon);