标题: [教学] 旋转荧幕就错误 Unable to instantiate fragment [打印本页] 作者: 资讯王 时间: 2012-12-25 13:26 标题: [教学] 旋转荧幕就错误 Unable to instantiate fragment 旋转荧幕就错误 - Caused by: android.support.v4.app.Fragment$InstantiationException: Unable to instantiate fragment com.example.Tab2Fragment: make sure class name exists, is public, and has an empty constructor that is public