Java tutorial
//package com.java2s; //License from project: Apache License import android.annotation.SuppressLint; import android.app.Activity; import android.graphics.drawable.ColorDrawable; import android.graphics.drawable.Drawable; public class Main { @SuppressLint("NewApi") @SuppressWarnings("deprecation") public static void setBackground(Activity activity, int background) { activity.getActionBar() .setIcon(new ColorDrawable(activity.getResources().getColor(android.R.color.transparent))); Drawable draw; if (android.os.Build.VERSION.SDK_INT >= 21) { draw = activity.getResources().getDrawable(background, activity.getTheme()); activity.getActionBar().setBackgroundDrawable(draw); } else { draw = activity.getResources().getDrawable(background); activity.getActionBar().setBackgroundDrawable(draw); } } }