IOS Application生命周期

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {NSLog(@"application加载完毕");return YES;}//这个失去焦点的时候- (void)applicationWillRsesignActive:(UIApplication *)application{NSLog(@"applicationWillResignActive失去焦点");}//当应用进入后台的时候- (void)applicationDidEnterBackground:(UIApplication *)application {NSLog(@"applicationDidEnterBackground进入后台");}//home-->回到应用类- (void)applicationWillEnterForeground:(UIApplication *)application {NSLog(@"applicationWillEnterForeground重新回到应用");}//当应用程序获取焦点的时候调用- (void)applicationDidBecomeActive:(UIApplication *)application {NSLog(@"applicationDidBecomeActive获取焦点");}//应用程序终止的时候- (void)applicationWillTerminate:(UIApplication *)application {NSLog(@"applicationWillTerminate程序终止");}