Java tutorial
//package com.java2s; import android.graphics.Bitmap; import android.os.Build; public class Main { public static int getSize(Bitmap image) { int size = 0; if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) { //API 19 size = image.getAllocationByteCount(); } else if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB_MR1) {//API 12 size = image.getByteCount(); } else { size = image.getRowBytes() * image.getHeight(); } return size; } }