AppManager类，管理Activity和App

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
// 添加Activity到堆栈
AppManager.getAppManager().addActivity(this);
}
@Override
protected void onDestroy() {
super.onDestroy();
// 结束Activity&从堆栈中移除
AppManager.getAppManager().finishActivity(this);
}
* 应用程序Activity管理类：用于Activity管理和应用程序退出
2. * @author liux (http://my.oschina.net/liux)
3. * @version 1.0
4. * @created 2012-3-21
5. */
6. public class AppManager {
7. private static Stack<Activity> activityStack;
8. private static AppManager instance;
9. private AppManager(){}
10. /**
11. * 单一实例
12. */
13. public static AppManager getAppManager(){
14. if(instance==null){
15. instance=new AppManager();
16. }
17. return instance;
18. }
19. /**
20. * 添加Activity到堆栈
21. */
22. public void addActivity(Activity activity){
23. if(activityStack==null){
24. activityStack=new Stack<Activity>();
25. }
26. activityStack.add(activity);
27. }
28. /**
29. * 获取当前Activity（堆栈中最后一个压入的）
30. */
31. public Activity currentActivity(){
32. Activity activity=activityStack.lastElement();
33. return activity;
34. }
35. /**
36. * 结束当前Activity（堆栈中最后一个压入的）
37. */
38. public void finishActivity(){
39. Activity activity=activityStack.lastElement();
40. finishActivity(activity);
41. }
42. /**
43. * 结束指定的Activity
44. */
45. public void finishActivity(Activity activity){
46. if(activity!=null){
47. activityStack.remove(activity);
48. activity.finish();
49. activity=null;
50. }
51. }
52. /**
53. * 结束指定类名的Activity
54. */
55. public void finishActivity(Class<?> cls){
56. for (Activity activity : activityStack) {
57. if(activity.getClass().equals(cls) ){
58. finishActivity(activity);
59. }
60. }
61. }
62. /**
63. * 结束所有Activity
64. */
65. public void finishAllActivity(){
66. for (int i = 0, size = activityStack.size(); i < size; i++){
67. if (null != activityStack.get(i)){
68. activityStack.get(i).finish();
69. }
70. }
71. activityStack.clear();
72. }
73. /**
74. * 退出应用程序
75. */
76. public void AppExit(Context context) {
77. try {
78. finishAllActivity();
79. ActivityManager activityMgr= (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
80. activityMgr.restartPackage(context.getPackageName());
81. System.exit(0);
82. } catch (Exception e) { }
83. }
84. }

巴特西

AppManager类，管理Activity和App

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