android 按钮特效 波纹 Android button effects ripple 作者:韩梦飞沙 Author:han_meng_fei_sha 邮箱:313134555@qq.com E-mail: 313134555 @qq.com 在drawable下 新建一个xml文件,比如ripple.xml Create a new XML file, such as ripple. XML, under drawable 内容如下: The contents are as follows