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Fragment中再嵌套Fragment(java.lang.IllegalStateException: FragmentManager is already executing transact)

项目需求在主页面几个TabFragment中再嵌套Fragment,这里用Viewpager实现,最后报错,但是程序未崩溃,切换Tab后前两个Fragment会遗失,报错如下:

Caused by: java.lang.IllegalStateException: FragmentManager is already executing transactions

最后发现问题处在这里getFragmentManager(),后面用getChildFragmentManager()解决问题,这里记录一下

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