Java tutorial
//package com.java2s; import android.graphics.*; import android.graphics.Bitmap.Config; public class Main { public static final Bitmap EMPTY_BITMAP = Bitmap.createBitmap(1, 1, Config.ARGB_8888); public static boolean isEmpty(Bitmap image) { return image == null || image == EMPTY_BITMAP || (image.getWidth() == 1 && image.getHeight() == 1); } }