Java tutorial
//package com.java2s; //License from project: Apache License import android.graphics.Bitmap; import android.graphics.Canvas; import android.graphics.PixelFormat; import android.graphics.drawable.Drawable; public class Main { /** * Drawable convert to Bitmap */ public static Bitmap drawableToBitmap(Drawable drawable) { if (drawable == null) { throw new NullPointerException("drawableToBitmap()-->drawable is null."); } int width = drawable.getIntrinsicWidth(); int height = drawable.getIntrinsicHeight(); Bitmap bitmap = Bitmap.createBitmap(width, height, drawable.getOpacity() != PixelFormat.OPAQUE ? Bitmap.Config.ARGB_8888 : Bitmap.Config.RGB_565); Canvas canvas = new Canvas(bitmap); drawable.setBounds(0, 0, width, height); drawable.draw(canvas); return bitmap; } }