IOS生命周期

 

 

 //运行时调用

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions{}

 //进入前台

- (void)applicationWillEnterForeground:(UIApplication *)application{}

 //进入后台

- (void)applicationDidEnterBackground:(UIApplication *)application{}

 //激活

- (void)applicationDidBecomeActive:(UIApplication *)application{}

 //释放激活

- (void)applicationWillResignActive:(UIApplication *)application{}

 //结束

- (void)applicationWillTerminate:(UIApplication *)application{}