02-更改窗口的根控制器 Demo示例程序源代码

 

1. 源代码下载链接:02-更改窗口的根控制器.zip
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2. // MJAppDelegate.h

3. //
4. //  MJAppDelegate.h
5. //  02-更改窗口的根控制器
6. //
7. //  Created by apple on 13-12-11.
8. //  Copyright (c) 2013年itcast. All rights reserved.
9. //
10. #import<UIKit/UIKit.h>
11. @interfaceMJAppDelegate : UIResponder <UIApplicationDelegate>
12. @property(strong,nonatomic) UIWindow *window;
13. @end

14. // MJAppDelegate.m Map

15. //
16. //  MJAppDelegate.m
17. //  02-更改窗口的根控制器
18. //
19. //  Created by apple on 13-12-11.
20. //  Copyright (c) 2013年itcast. All rights reserved.
21. //
22. #import"MJAppDelegate.h"
23. #import"MJViewController.h"
24. @implementationMJAppDelegate
25. MJViewController *mj;
26. - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
27. {
28.    self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
29.    
30. //    mj = ;
31.     MJViewController *haha = [[MJViewController alloc] init];
32.    
33.    self.window.rootViewController = haha;
34.    
35.     [self.window makeKeyAndVisible];
36.    returnYES;
37. }
38. - (void)applicationWillResignActive:(UIApplication *)application
39. {
40.    // Sent when the application is about to move from active to inactive state. This can occur for certain types of temporary interruptions (such as an incoming phone call or SMS message) or when the user quits the application and it begins the transition to the background state.
41.    // Use this method to pause ongoing tasks, disable timers, and throttle down OpenGL ES frame rates. Games should use this method to pause the game.
42. }
43. - (void)applicationDidEnterBackground:(UIApplication *)application
44. {
45.    // Use this method to release shared resources, save user data, invalidate timers, and store enough application state information to restore your application to its current state in case it is terminated later.
46.    // If your application supports background execution, this method is called instead of applicationWillTerminate: when the user quits.
47. }
48. - (void)applicationWillEnterForeground:(UIApplication *)application
49. {
50.    // Called as part of the transition from the background to the inactive state; here you can undo many of the changes made on entering the background.
51. }
52. - (void)applicationDidBecomeActive:(UIApplication *)application
53. {
54.    // Restart any tasks that were paused (or not yet started) while the application was inactive. If the application was previously in the background, optionally refresh the user interface.
55. }
56. - (void)applicationWillTerminate:(UIApplication *)application
57. {
58.    // Called when the application is about to terminate. Save data if appropriate. See also applicationDidEnterBackground:.
59. }
60. @end

61. // MJTwoViewController.h Map

62. //
63. //  MJTwoViewController.h
64. //  02-更改窗口的根控制器
65. //
66. //  Created by apple on 13-12-11.
67. //  Copyright (c) 2013年itcast. All rights reserved.
68. //
69. #import<UIKit/UIKit.h>
70. @interfaceMJTwoViewController : UIViewController
71. @end

72. // MJTwoViewController.m Map

73. //
74. //  MJTwoViewController.m
75. //  02-更改窗口的根控制器
76. //
77. //  Created by apple on 13-12-11.
78. //  Copyright (c) 2013年itcast. All rights reserved.
79. //
80. #import"MJTwoViewController.h"
81. @interfaceMJTwoViewController ()
82. @end
83. @implementationMJTwoViewController
84. - (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
85. {
86.    self= [superinitWithNibName:nibNameOrNil bundle:nibBundleOrNil];
87.    if(self) {
88.        // Custom initialization
89.     }
90.    returnself;
91. }
92. - (void)viewDidLoad
93. {
94.     [superviewDidLoad];
95.    // Do any additional setup after loading the view from its nib.
96. }
97. - (void)didReceiveMemoryWarning
98. {
99.     [superdidReceiveMemoryWarning];
100.    // Dispose of any resources that can be recreated.
101. }
102. @end

103. // MJViewController.h Map

104. //
105. //  MJViewController.h
106. //  02-更改窗口的根控制器
107. //
108. //  Created by apple on 13-12-11.
109. //  Copyright (c) 2013年itcast. All rights reserved.
110. //
111. #import<UIKit/UIKit.h>
112. @interfaceMJViewController : UIViewController
113. - (IBAction)jump2;
114. @end

115. // MJViewController.m Map

116. //
117. //  MJViewController.m
118. //  02-更改窗口的根控制器
119. //
120. //  Created by apple on 13-12-11.
121. //  Copyright (c) 2013年itcast. All rights reserved.
122. //
123. #import"MJViewController.h"
124. #import"MJTwoViewController.h"
125. @interfaceMJViewController ()
126. @end
127. @implementationMJViewController
128. - (void)dealloc
129. {
130.     NSLog(@"MJViewController---挂了");
131. }
132. - (IBAction)jump2 {
133.     MJTwoViewController *two = [[MJTwoViewController alloc] init];
134.    //本文永久链接,转载请注明出处:http://www.cnblogs.com/ChenYilong/p/3490675.html
135. //    [UIApplication sharedApplication].keyWindow;
136.    
137.    self.view.window.rootViewController = two;
138.    
139. //    [self presentViewController:two animated:YES completion:nil];
140. }
141. @end

 

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