Java tutorial
//package com.java2s; /* * Copyright 2013 Google Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import android.content.Context; import android.graphics.Bitmap; import android.graphics.Canvas; import android.graphics.PorterDuff; import android.graphics.drawable.BitmapDrawable; import android.graphics.drawable.Drawable; public class Main { public static final int EXTENSION_ICON_SIZE = 128; public static Bitmap flattenExtensionIcon(Drawable baseIcon, int color) { if (baseIcon == null) { return null; } Bitmap outBitmap = Bitmap.createBitmap(EXTENSION_ICON_SIZE, EXTENSION_ICON_SIZE, Bitmap.Config.ARGB_8888); Canvas canvas = new Canvas(outBitmap); baseIcon.setBounds(0, 0, EXTENSION_ICON_SIZE, EXTENSION_ICON_SIZE); baseIcon.setColorFilter(color, PorterDuff.Mode.SRC_IN); baseIcon.draw(canvas); baseIcon.setColorFilter(null); baseIcon.setCallback(null); // free up any references return outBitmap; } public static Bitmap flattenExtensionIcon(Context context, Bitmap baseIcon, int color) { return flattenExtensionIcon(new BitmapDrawable(context.getResources(), baseIcon), color); } }