How can I position my actionbar list navigation on the right side?

Question

This image demonstrats what I need to do. I need the dropdown menu to always s

Answer 1

Add UI components at the Right side of Actionbar using ToolBar:

Check this link for more details of ToolBar.

Screenshot attached.

toolbar.xml

Style for Application

Include xml in activity_main.xml

Your Activity must be extends AppCompatActivity

on onCreate of Activity

Toolbar mToolbar = (Toolbar) findViewById(R.id.toolbar_actionbar);
setSupportActionBar(mToolbar);
getSupportActionBar().setDisplayShowHomeEnabled(true);

on onCreateView of Fragment

Toolbar  mToolBar = (Toolbar) getActivity().findViewById(R.id.toolbar_actionbar);
RelativeLayout rlToolBarMain = (RelativeLayout)mToolBar.findViewById(R.id.rlToolBarMain);

Spinner mSpinner = new Spinner(getActivity());
String[] frags = new String[]{
                "category1",
                "category2",
                "category3",
        };
ArrayAdapter arrayAdapter = new ArrayAdapter(getActivity(),android.R.layout.simple_list_item_1,frags);
mSpinner.setAdapter(arrayAdapter);
rlToolBarMain.addView(mSpinner);

Done