Android: Custom action bar,How to use entire width?

Question

Here is an image of my custom action bar:

I want to use the entire wid

Answer 1

 ActionBar action = getSupportActionBar();
        action.setDisplayOptions(ActionBar.DISPLAY_SHOW_CUSTOM);

 Toolbar toolbar=(Toolbar)action.getCustomView().getParent();
        toolbar.setContentInsetsAbsolute(0, 0);
        toolbar.getContentInsetEnd();
        toolbar.setPadding(0, 0, 0, 0);