Java tutorial
//package com.java2s; import android.graphics.*; import android.os.Build; public class Main { /** * Get the size in bytes of a bitmap. * @param bitmap * @return size in bytes */ public static int getBitmapSize(Bitmap bitmap) { if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB_MR1) { return bitmap.getByteCount(); } // Pre HC-MR1 return bitmap.getRowBytes() * bitmap.getHeight(); } }