Java tutorial
//package com.java2s; //License from project: LGPL import android.graphics.Bitmap; import android.graphics.Canvas; import android.graphics.PixelFormat; import android.graphics.drawable.BitmapDrawable; import android.graphics.drawable.Drawable; public class Main { private static Bitmap drawableToBitMap(Drawable drawable) { if (drawable == null) { return null; } if (drawable instanceof BitmapDrawable) { BitmapDrawable bitmapDrawable = ((BitmapDrawable) drawable); return bitmapDrawable.getBitmap(); } else { Bitmap bitmap = Bitmap.createBitmap(drawable.getIntrinsicWidth(), drawable.getIntrinsicHeight(), drawable.getOpacity() != PixelFormat.OPAQUE ? Bitmap.Config.ARGB_8888 : Bitmap.Config.RGB_565); Canvas canvas = new Canvas(bitmap); drawable.setBounds(0, 0, drawable.getIntrinsicWidth(), drawable.getIntrinsicHeight()); drawable.draw(canvas); return bitmap; } } }