iOS风格SwitchButton。 只涉及到一个类文件，异常容易集成进入你的项目。支持开关的"延时和回滚"操作。only one class file, very easy to integrate into your program. support the delay operation and rolling
iOS风格SwitchButton。 只涉及到一个类文件，异常容易集成进入你的项目。支持开关的"延时和回滚"操作。only one class file, very easy to integrate into your program. support the delay operation and rolling back action of the switch