pcwiki的部落格

-(BOOL)application:(UIApplication*)application didFinishLaunchingWithOptions:(NSDictionary*)launchOptions
{if(![[NSUserDefaults standardUserDefaults] boolForKey:@"HasLaunchedOnce"]){[[NSUserDefaults standardUserDefaults] setBool:YES forKey:@"HasLaunchedOnce"];[[NSUserDefaults standardUserDefaults] synchronize];}return YES;}