iOS AppDelegate 代理详解（启动，打开App,推送，通知）

//App将要启动- (BOOL)application:(UIApplication *)application willFinishLaunchingWithOptions:(nullable NSDictionary *)launchOptions{    return YES;}//App已经启动- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {    //若由其他应用程序通过openURL:启动    NSURL *url = [launchOptions objectForKey:UIApplicationLaunchOptionsURLKey];    if(url){    }    //启动的源应用程序的 bundle ID    NSString *bundleId = [launchOptions objectForKey:UIApplicationLaunchOptionsSourceApplicationKey];    if(bundleId){    }    //若由本地通知启动    UILocalNotification * localNotification = [launchOptions objectForKey:UIApplicationLaunchOptionsLocalNotificationKey];    if(localNotification){    }    //若由远程通知启动    NSDictionary * remoteNotification = [launchOptions objectForKey:UIApplicationLaunchOptionsRemoteNotificationKey];    if(remoteNotification){    }    return YES;}//App将要进入前台- (void)applicationWillResignActive:(UIApplication *)application {}//App已经进入前台- (void)applicationDidBecomeActive:(UIApplication *)application {}//App将要进入后台- (void)applicationWillEnterForeground:(UIApplication *)application {}//App已经进入后台- (void)applicationDidEnterBackground:(UIApplication *)application {}//App将要退出- (void)applicationWillTerminate:(UIApplication *)application {}//App内存警告-  (void)applicationDidReceiveMemoryWarning:(UIApplication *)application{    NSLog(@"系统内存不足");}/*这个方法是其它应用通过url唤醒你的应用时调用的另外,需要在plist中添加自己的url协议 第一步：找到Info中的 “URL types” 第二步：增加一个URL identifier，建议用反域名(com.jingjin.myApp)，URL Schemes(myApp),URL Schemes就是唤醒自己应用的URL的开头。 */- (BOOL)application:(UIApplication *)application handleOpenURL:(NSURL *)url{    if (!url) {//如果时没有链接        return NO;    }    NSLog(@"handleOpenURL: %@", [url absoluteString]);    //判断能否打开你的应用    if ([[UIApplication sharedApplication] canOpenURL:[NSURL URLWithString:@"myapp://"]]) {        //做处理        return YES;    } else {        return NO;    }    return YES;}//StatusBar框方向将要变化-  (void)application:(UIApplication*)application willChangeStatusBarOrientation:(UIInterfaceOrientation)newStatusBarOrientation duration:(NSTimeInterval)duration{}//StatusBar框方向已经变化-  (void)application:(UIApplication*)application  didChangeStatusBarOrientation:(UIInterfaceOrientation)oldStatusBarOrientation{}//StatusBar框坐标将要变化-  (void)application:(UIApplication*)application willChangeStatusBarFrame:(CGRect)newStatusBarFrame{}//StatusBar框坐标已经变化-  (void)application:(UIApplication*)application didChangeSetStatusBarFrame:(CGRect)oldStatusBarFrame{}//当系统时间发生改变时执行- (void)applicationSignificantTimeChange:(UIApplication *)application{}//已经注册远远程通知- (void)application:(UIApplication *)application didRegisterUserNotificationSettings:(UIUserNotificationSettings *)notificationSettings{}//当应用程序成功的注册一个推送服务-(void)application:(UIApplication *)application didRegisterForRemoteNotificationsWithDeviceToken:(NSData *) deviceToken{    NSString *tokenStr = [NSString stringWithFormat:@"%@",deviceToken];    //将其中的<>去掉    tokenStr = [tokenStr stringByTrimmingCharactersInSet:[NSCharacterSet characterSetWithCharactersInString:@"<>"]];    //将其中的空格去掉    tokenStr = [tokenStr stringByReplacingOccurrencesOfString:@" " withString:@""];}//当 APS无法成功的完成向 程序进程推送时-(void) application:(UIApplication *) application didFailToRegisterForRemoteNotificationsWithError:(NSError *) error{}//当一个运行着的应用程序收到一个本地的通知- (void)application:(UIApplication *)application didReceiveLocalNotification:(UILocalNotification *)notification{}//程序运收远程通知- (void)application:(UIApplication *)application didReceiveRemoteNotification:(NSDictionary *)userInfo fetchCompletionHandler:(void (^)(UIBackgroundFetchResult result))completionHandler{    if (application.applicationState == UIApplicationStateActive) {//程序当前正处于前台    }else if(application.applicationState == UIApplicationStateInactive){//程序处于后台    }    AudioServicesPlaySystemSound(1007);//系统的通知声音    AudioServicesPlayAlertSound(kSystemSoundID_Vibrate);//震动    //自定义声音    NSString *path = [[NSBundle mainBundle] pathForResource:@"message" ofType:@"wav"];    //组装并播放音效    SystemSoundID soundID;    NSURL *filePath = [NSURL fileURLWithPath:path isDirectory:NO];    AudioServicesCreateSystemSoundID((__bridge CFURLRef)filePath, &soundID);    AudioServicesPlaySystemSound(soundID);    //声音停止    AudioServicesDisposeSystemSoundID(soundID);    /*    关于userInfo的结构，参照苹果的官方结构：    {        "aps" : {            "alert" : "",            "badge" : 10,//推送信息            "sound" : ""//app的icon右上角的数字        },        "acme1" : "bar",        "acme2" : 42//两个参数    }     */}//- (void)application:(UIApplication *)application handleActionWithIdentifier:(nullable NSString *)identifier forRemoteNotification:(NSDictionary *)userInfo withResponseInfo:(NSDictionary *)responseInfo completionHandler:(void(^)())completionHandler{}- (void)application:(UIApplication *)application handleActionWithIdentifier:(nullable NSString *)identifier forRemoteNotification:(NSDictionary *)userInfo completionHandler:(void(^)())completionHandler{}//处理本地通知- (void)application:(UIApplication *)application handleActionWithIdentifier:(nullable NSString *)identifier forLocalNotification:(UILocalNotification *)notification withResponseInfo:(NSDictionary *)responseInfo completionHandler:(void(^)())completionHandler{}