Activity的生命週期

Fragment的生命週期

Activity與Fragment生命週期的區別

測試程式碼

1. package com.goso.testapp;  
2. import android.app.Activity;  
3. import android.app.ListFragment;  
4. import android.os.Bundle;  
5. import android.util.Log;  
6. import android.view.LayoutInflater;  
7. import android.view.View;  
8. import android.view.ViewGroup;  
9. import android.widget.ArrayAdapter;  
10. import android.widget.ListView;  
11. /** 
12.  * Demonstration of using ListFragment to show a list of items 
13.  * from a canned array. 
14.  */
15. publicclass FragmentListArray extends Activity {  
16.     @Override
17.     protectedvoid onCreate(Bundle savedInstanceState) {  
18.         super.onCreate(savedInstanceState);  
19.         Log.e("HJJ", "Activity &&&& onCreate...");  
20.         // Create the list fragment and add it as our sole content.
21.         if (getFragmentManager().findFragmentById(android.R.id.content) == null) {  
22.             ArrayListFragment list = new ArrayListFragment();  
23.             getFragmentManager().beginTransaction().add(android.R.id.content, list).commit();  
24.         }  
25.     }  
26.     @Override
27.     protectedvoid onStart() {  
28.         // TODO Auto-generated method stub
29.         super.onStart();  
30.         Log.e("HJJ", "Activity &&&& onStart...");  
31.     }  
32.     @Override
33.     protectedvoid onResume() {  
34.         // TODO Auto-generated method stub
35.         super.onResume();  
36.         Log.e("HJJ", "Activity &&&& onResume...");  
37.     }  
38.     @Override
39.     protectedvoid onStop() {  
40.         // TODO Auto-generated method stub
41.         super.onStop();  
42.         Log.e("HJJ", "Activity &&&& onStop...");  
43.     }  
44.     @Override
45.     protectedvoid onPause() {  
46.         // TODO Auto-generated method stub
47.         super.onPause();  
48.         Log.e("HJJ", "Activity &&&& onPause...");  
49.     }  
50.     @Override
51.     protectedvoid onDestroy() {  
52.         // TODO Auto-generated method stub
53.         super.onDestroy();  
54.         Log.e("HJJ", "Activity &&&& onDestroy...");  
55.     }  
56.     publicstaticclass ArrayListFragment extends ListFragment {  
57.         @Override
58.         publicvoid onAttach(Activity activity) {  
59.             // TODO Auto-generated method stub
60.             Log.e("HJJ", "ArrayListFragment **** onAttach...");  
61.             super.onAttach(activity);  
62.         }  
63.         @Override
64.         publicvoid onCreate(Bundle savedInstanceState) {  
65.             // TODO Auto-generated method stub
66.             Log.e("HJJ", "ArrayListFragment **** onCreate...");  
67.             super.onCreate(savedInstanceState);  
68.         }  
69.         @Override
70.         public View onCreateView(LayoutInflater inflater, ViewGroup container,  
71.                 Bundle savedInstanceState) {  
72.             // TODO Auto-generated method stub
73.             Log.e("HJJ", "ArrayListFragment **** onCreateView...");  
74.             returnsuper.onCreateView(inflater, container, savedInstanceState);  
75.         }  
76.         @Override
77.         publicvoid onActivityCreated(Bundle savedInstanceState) {  
78.             super.onActivityCreated(savedInstanceState);  
79.             Log.e("HJJ", "ArrayListFragment **** onActivityCreated...");  
80.             String[] array = new String[]{"C++", "JAVA", "PYTHON"};  
81.             setListAdapter(new ArrayAdapter<String>(getActivity(),  
82.                     android.R.layout.simple_list_item_1, array));  
83.         }  
84.         @Override
85.         publicvoid onStart() {  
86.             // TODO Auto-generated method stub
87.             Log.e("HJJ", "ArrayListFragment **** onStart...");  
88.             super.onStart();  
89.         }  
90.         @Override
91.         publicvoid onResume() {  
92.             Log.e("HJJ", "ArrayListFragment **** onResume...");  
93.             // TODO Auto-generated method stub
94.             super.onResume();  
95.         }  
96.         @Override
97.         publicvoid onPause() {  
98.             Log.e("HJJ", "ArrayListFragment **** onPause...");  
99.             // TODO Auto-generated method stub
100.             super.onPause();  
101.         }  
102.         @Override
103.         publicvoid onStop() {  
104.             Log.e("HJJ", "ArrayListFragment **** onStop...");  
105.             // TODO Auto-generated method stub
106.             super.onStop();  
107.         }  
108.         @Override
109.         publicvoid onDestroyView() {  
110.             Log.e("HJJ", "ArrayListFragment **** onDestroyView...");  
111.             // TODO Auto-generated method stub
112.             super.onDestroyView();  
113.         }  
114.         @Override
115.         publicvoid onDestroy() {  
116.             // TODO Auto-generated method stub
117.             Log.e("HJJ", "ArrayListFragment **** onDestroy...");  
118.             super.onDestroy();  
119.         }  
120.         @Override
121.         publicvoid onDetach() {  
122.             Log.e("HJJ", "ArrayListFragment **** onDetach...");  
123.             // TODO Auto-generated method stub
124.             super.onDetach();  
125.         }  
126.         @Override
127.         publicvoid onListItemClick(ListView l, View v, int position, long id) {  
128.             Log.i("FragmentList", "Item clicked: " + id);  
129.         }  
130.     }  
131. } 
     

結果

1. onCreate過程  
2. 01-2215:30:28.091: E/HJJ(10315): Activity &&&& onCreate...  
3. 01-2215:30:28.091: E/HJJ(10315): ArrayListFragment **** onAttach...  
4. 01-2215:30:28.091: E/HJJ(10315): ArrayListFragment **** onCreate...  
5. 01-2215:30:28.115: E/HJJ(10315): ArrayListFragment **** onCreateView...  
6. 01-2215:30:28.123: E/HJJ(10315): ArrayListFragment **** onActivityCreated...  
7. onStart過程  
8. 01-2215:30:28.123: E/HJJ(10315): Activity &&&& onStart...  
9. 01-2215:30:28.123: E/HJJ(10315): ArrayListFragment **** onStart...  
10. onResume過程  
11. 01-2215:30:28.123: E/HJJ(10315): Activity &&&& onResume...  
12. 01-2215:30:28.123: E/HJJ(10315): ArrayListFragment **** onResume...  
13. onPause過程  
14. 01-2215:31:26.748: E/HJJ(10315): ArrayListFragment **** onPause...  
15. 01-2215:31:26.748: E/HJJ(10315): Activity &&&& onPause...  
16. onStop過程  
17. 01-2215:31:27.638: E/HJJ(10315): ArrayListFragment **** onStop...  
18. 01-2215:31:27.638: E/HJJ(10315): Activity &&&& onStop...  
19. onStart過程  
20. 01-2215:31:57.537: E/HJJ(10315): Activity &&&& onStart...  
21. 01-2215:31:57.537: E/HJJ(10315): ArrayListFragment **** onStart...  
22. onResume過程  
23. 01-2215:31:57.537: E/HJJ(10315): Activity &&&& onResume...  
24. 01-2215:31:57.537: E/HJJ(10315): ArrayListFragment **** onResume...  
25. onPause過程  
26. 01-2215:32:47.412: E/HJJ(10315): ArrayListFragment **** onPause...  
27. 01-2215:32:47.412: E/HJJ(10315): Activity &&&& onPause...  
28. onStop過程  
29. 01-2215:32:47.865: E/HJJ(10315): ArrayListFragment **** onStop...  
30. 01-2215:32:47.865: E/HJJ(10315): Activity &&&& onStop...  
31. onDestroy過程  
32. 01-2215:32:47.865: E/HJJ(10315): ArrayListFragment **** onDestroyView...  
33. 01-2215:32:47.865: E/HJJ(10315): ArrayListFragment **** onDestroy...  
34. 01-2215:32:47.865: E/HJJ(10315): ArrayListFragment **** onDetach...  
35. 01-2215:32:47.865: E/HJJ(10315): Activity &&&& onDestroy...