Java tutorial
//package com.java2s; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.graphics.drawable.BitmapDrawable; import android.graphics.drawable.Drawable; public class Main { public static Bitmap getBitmap(byte[] byteArray) { return byteArray == null ? null : BitmapFactory.decodeByteArray(byteArray, 0, byteArray.length); } public static Bitmap getBitmap(Drawable drawable) { return drawable == null ? null : ((BitmapDrawable) drawable).getBitmap(); } }