Fragment要点总结

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  1. 四种状态:运行状态(可见,有焦点)

                      暂停状态(可见,无焦点)

                      停止状态(不可见,无焦点)

                       销毁状态(删除或所在Activity结束)

  1. 11个生命周期方法:onAttach()

                                       onCreate()

                                      onCreateView()

                                      onActivityCreated()

                                       onStart()

                                       onResume()

 

                                       onPause()

                                       onStop()

                                      onDestroyView()

                                      onDestroy()

                                       onDetach()

  1. getFragmentManager beginTransaction replace/add/removepopBackStack/addOnBackStack commit
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