use enum in android

public abstract class ActionBar {
	...
	@IntDef({NAVIGATION_MODE_STANDARD, NAVIGATION_MODE_LIST, NAVIGATION_MODE_TABS})
	@Retention(RetentionPolicy.SOURCE)
	public @interface NavigationMode {}

	public static final int NAVIGATION_MODE_STANDARD = 0;
	public static final int NAVIGATION_MODE_LIST = 1;
	public static final int NAVIGATION_MODE_TABS = 2;

	@NavigationMode
	public abstract int getNavigationMode();

	public abstract void setNavigationMode(@NavigationMode int mode);
	...
}