关于 android：那么，为什么我的日志信息显示 Activity-Fragment 关系之间的行为完全错误？

So, why does my log info shows completely wrong behaviour between Activity-Fragment relation?

我只是在大多数活动和片段方法上添加了日志标签，结果如下：

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06-19 16:33:11.934: I/Fragment Activity:MainMenuPager(15820): onCreate - BEGIN
06-19 16:33:11.958: I/Fragment Activity:MainMenuPager(15820): onCreate - END
06-19 16:33:11.958: I/Fragment Activity:MainMenuPager(15820): onStart - BEGIN
06-19 16:33:11.958: I/Fragment Activity:MainMenuPager(15820): onStart - END
06-19 16:33:11.958: I/Fragment Activity:MainMenuPager(15820): onResume - BEGIN
06-19 16:33:11.958: I/Fragment Activity:MainMenuPager(15820): onResume - END
06-19 16:33:11.973: I/HomeFragment(15820): onAttach- BEGIN
06-19 16:33:11.973: I/HomeFragment(15820): onAttach- BEGIN
06-19 16:33:11.973: I/HomeFragment(15820): onCreate- BEGIN
06-19 16:33:11.973: I/HomeFragment(15820): onCreate- END
06-19 16:33:11.973: I/HomeFragment(15820): onCreateView- BEGIN
06-19 16:33:11.981: I/HomeFragment(15820): onCreateView- END
06-19 16:33:11.989: I/HomeFragment(15820): onActivityCreated- BEGIN
06-19 16:33:11.989: I/HomeFragment(15820): onActivityCreated- END
06-19 16:33:11.989: I/HomeFragment(15820): onStart- BEGIN
06-19 16:33:11.989: I/HomeFragment(15820): onStart- END
06-19 16:33:11.989: I/MyProcessListFragment(15820): onAttach- BEGIN
06-19 16:33:11.989: I/MyProcessListFragment(15820): onAttach- BEGIN
06-19 16:33:11.989: I/MyProcessListFragment(15820): onCreate- BEGIN
06-19 16:33:11.989: I/MyProcessListFragment(15820): onCreate- END
06-19 16:33:11.989: I/MyProcessListFragment(15820): onCreateView- BEGIN
06-19 16:33:12.012: I/MyProcessListFragment(15820): onCreateView- END
06-19 16:33:12.012: I/MyProcessListFragment(15820): onActivityCreated- BEGIN
06-19 16:33:12.012: I/MyProcessListFragment(15820): onActivityCreated- END
06-19 16:33:12.012: I/MyProcessListFragment(15820): onStart- BEGIN
06-19 16:33:12.012: I/MyProcessListFragment(15820): onStart- END

那么为什么所有记录的活动方法都首先运行，然后是所有片段的？片段应该在各种活动状态之间运行吗？？？