Last days I start working on new Android app, working name is PassGen (Password generator) and plan to place spinner onto the ActionBar. Since API 21 ActionBar replaced to more flexible Toolbar with you can put widgets similar to regular layout. I plan to use spinner but by default it look not fine for me. Starting from modify colors, my mind moving me to add second line and icon to each item. Finally, it looks like this: Almost changes are in XML files. In MainActivity: < android.support.v7.widget.Toolbar android :id= "@+id/toolbar" android :layout_width= "match_parent" android :background= "@color/colorPrimaryDark" android :layout_height= "?attr/actionBarSize" > < Spinner android :id= "@+id/spinner" style= "@style/SpinnerTheme" android :layout_width= "wrap_content" android :layout_height= "wrap_content" android :layout_marginEnd= &q