1.
- (void)application:(UIApplication *)application didRegisterUserNotificationSettings:(UIUserNotificationSettings *)notificationSettings
// 执行任意的下载
- (void)application:(UIApplication *)application performFetchWithCompletionHandler:(void (^)(UIBackgroundFetchResult result))completionHandler
//处理我们这个3D Touch
触发事件的
- (void)application:(UIApplication *)application performActionForShortcutItem:(UIApplicationShortcutItem *)shortcutItem completionHandler:(void(^)(BOOL succeeded))completionHandler
2. 4个推送:用户推送,本地推送,远程推送,地理位置推送
http://blog.csdn.net/apple_app/article/details/39228221