右下角弹出窗体，可以自定义图片，也可以重新绘制窗体-Lower right corner of the pop-up form, you can customize images, etc.

android自定义弹出窗口的实现，对于作出自己特色效果的界面有一定帮助。-android implementation of a custom pop-up window for the effect of making its own characteristics, the interface has some help.