Android dev challenge week2 countdown timer:#AndroidDevChallenge 源码

简单倒数计时器 :scroll: 描述 简单倒数计时器。 您可以开始,暂停,继续,重置。 当结局到来时,您可以看到炸弹。 :light_bulb: 动机与情境 使用画布。 使用动画Apis。 :camera_with_flash: 屏幕截图 执照 Copyright 2020 The Android Open Source Project 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 https://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agree