Java tutorial
//package com.java2s; /** * Copyright 2014 sailaway(https://github.com/sailaway) * * Licensed under theGNU GENERAL PUBLIC LICENSE Version 3 (the "License"); * Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/> * Everyone is permitted to copy and distribute verbatim copies * of this license document, but changing it is not allowed. * */ import android.graphics.Bitmap; import android.graphics.Canvas; public class Main { public static Bitmap converttoBitmap565(Bitmap b) { if (b == null) { return null; } if (b.getConfig() == Bitmap.Config.RGB_565) { return b; } Bitmap b565 = Bitmap.createBitmap(b.getWidth(), b.getHeight(), Bitmap.Config.RGB_565); Canvas c = new Canvas(b565); c.drawBitmap(b, 0, 0, null); return b565; } }