IOS

1、project -> Build settings -> Apple LLVM complier 3.0 - Language -> objective-C Automatic Reference Counting设置为NO;

2、修改main.m

1. @autoreleasepool {  
2.         return UIApplicationMain(argc, argv, nil,    NSStringFromClass([LTAppDelegate class]));  
3.  }  

修改为：

1. NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];  
2.     int retVal = UIApplicationMain(argc, argv, nil, NSStringFromClass([AppDelegate class]));  
3.     [pool release];  
4.     return retVal;  

3、修改AppDelegate

1. @property (retain, nonatomic) UIWindow *window;  

 将strong修改为retain。

1. -(void)dealloc  
2. {  
3.     [_window release];  
4.     [super dealloc];  
5. }