一个FragmentActivity多个Fragment的生命周期事件记录

初次打开FragmentActivity时

 1 VisitTaskManagerActivity(8473): onCreate
 2 VisitTaskManagerActivity(8473): onStart
 3 VisitTaskManagerActivity(8473): onResume
 4 
 5 Fragment1(8473): onAttach
 6 Fragment1(8473): onCreate
 7 Fragment1(8473): onCreateView
 8 Fragment1(8473): onViewCreated
 9 Fragment1(8473): onActivityCreated
10 Fragment1(8473): onViewStateRestored
11 Fragment1(8473): onStart
12 Fragment1(8473): onResume
13 
14 Fragment2(8473): onAttach
15 Fragment2(8473): onCreate
16 Fragment2(8473): onCreateView
17 Fragment2(8473): onViewCreated
18 Fragment2(8473): onActivityCreated
19 Fragment2(8473): onViewStateRestored
20 
21 Fragment3(8473): onAttach
22 Fragment3(8473): onCreate
23 Fragment3(8473): onCreateView
24 Fragment3(8473): onViewCreated
25 Fragment3(8473): onActivityCreated
26 Fragment3(8473): onViewStateRestored
27 
28 Fragment4(8473): onAttach
29 Fragment4(8473): onCreate
30 Fragment4(8473): onCreateView
31 Fragment4(8473): onViewCreated
32 Fragment4(8473): onActivityCreated
33 Fragment4(8473): onViewStateRestored
34 
35 Fragment2(8473): onStart
36 Fragment2(8473): onResume
37 
38 Fragment3(8473): onStart
39 Fragment3(8473): onResume
40 
41 Fragment4(8473): onStart
42 Fragment4(8473): onResume

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系统按HOME键到桌面时

VisitTaskManagerActivity(7275): onPause
Fragment1(7275): onPause
Fragment2(7275): onPause
Fragment3(7275): onPause
Fragment4(7275): onPause
VisitTaskManagerActivity(7275): onStop
Fragment1(7275): onStop
Fragment2(7275): onStop
Fragment3(7275): onStop
Fragment4(7275): onStop

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从桌面返回FragmentActivity时

 1 VisitTaskManagerActivity(8473): onStart
 2 Fragment1(8473): onStart
 3 Fragment2(8473): onStart
 4 Fragment3(8473): onStart
 5 Fragment4(8473): onStart
 6 VisitTaskManagerActivity(8473): onResume
 7 Fragment1(8473): onResume
 8 Fragment2(8473): onResume
 9 Fragment3(8473): onResume
10 Fragment4(8473): onResume

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自动切换横竖屏时（或者按HOME键到桌面时，杀掉进程，再从桌面返回FragmentActivity时）

VisitTaskManagerActivity(8504): onCreate

Fragment1(8504): onAttach
Fragment1(8504): onCreate

Fragment2(8504): onAttach
Fragment2(8504): onCreate

Fragment3(8504): onAttach
Fragment3(8504): onCreate

Fragment4(8504): onAttach
Fragment4(8504): onCreate

VisitTaskManagerActivity(8504): onStart

Fragment1(8504): onCreateView
Fragment1(8504): onViewCreated
Fragment1(8504): onActivityCreated
Fragment1(8504): onViewStateRestored

Fragment2(8504): onCreateView
Fragment2(8504): onViewCreated
Fragment2(8504): onActivityCreated
Fragment2(8504): onViewStateRestored

Fragment3(8504): onCreateView
Fragment3(8504): onViewCreated
Fragment3(8504): onActivityCreated
Fragment3(8504): onViewStateRestored

Fragment4(8504): onCreateView
Fragment4(8504): onViewCreated
Fragment4(8504): onActivityCreated
Fragment4(8504): onViewStateRestored

Fragment1(8504): onStart
Fragment2(8504): onStart
Fragment3(8504): onStart
Fragment4(8504): onStart

VisitTaskManagerActivity(8504): onResume
Fragment1(8504): onResume
Fragment2(8504): onResume
Fragment3(8504): onResume
Fragment4(8504): onResume

View Code

在此使用onSaveInstanceState来保存临时状态的需留意的：

根据官方文档的说明，onSaveInstanceState的调用时机为非正常finish()情况下，可能在onPause到onDestroy之间的任意时刻调用。
onSaveInstanceState | Android Developers

作者：Asion Tang

出处：http://asiontang.cnblogs.com

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