/// 一般在在啟動時注冊通知，程序被殺死，點擊通知后調用此程序
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
 if ([[UIDevice currentDevice].systemVersion floatValue] >= 8.0) { // iOS8
 UIUserNotificationSettings *setting = [UIUserNotificationSettings settingsForTypes:UIUserNotificationTypeBadge | UIUserNotificationTypeAlert | UIUserNotificationTypeSound categories:nil];
 [application registerUserNotificationSettings:setting];
 }

 if (launchOptions[UIApplicationLaunchOptionsLocalNotificationKey]) {
 // 這里添加處理代碼
 }
 return YES;
}
/// 程序沒有被殺死（處于前臺或后臺），點擊通知后會調用此程序
- (void)application:(UIApplication *)application didReceiveLocalNotification:(UILocalNotification *)notification {
 // 這里添加處理代碼
}

- (IBAction)addLocalNotification {
 // 1.創(chuàng)建一個本地通知
 UILocalNotification *localNote = [[UILocalNotification alloc] init];

 // 1.1.設置通知發(fā)出的時間
 localNote.fireDate = [NSDate dateWithTimeIntervalSinceNow:5];

 // 1.2.設置通知內容
 localNote.alertBody = @"這是一個推送這是一個推送";

 // 1.3.設置鎖屏時,字體下方顯示的一個文字
 localNote.alertAction = @"趕緊!!!!!";
 localNote.hasAction = YES;

 // 1.4.設置啟動圖片(通過通知打開的)
 localNote.alertLaunchImage = @"../Documents/IMG_0024.jpg";

 // 1.5.設置通過到來的聲音
 localNote.soundName = UILocalNotificationDefaultSoundName;

 // 1.6.設置應用圖標左上角顯示的數(shù)字
 localNote.applicationIconBadgeNumber = 999;

 // 1.7.設置一些額外的信息
 localNote.userInfo = @{@"qq" : @"704711253", @"msg" : @"success"};

 // 2.執(zhí)行通知
 [[UIApplication sharedApplication] scheduleLocalNotification:localNote];
}

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
 // iOS8之后和之前應區(qū)別對待
 if ([[UIDevice currentDevice].systemVersion floatValue] >= 8.0) {
 UIUserNotificationSettings *settings = [UIUserNotificationSettings settingsForTypes:UIUserNotificationTypeBadge | UIUserNotificationTypeAlert | UIUserNotificationTypeSound categories:nil];
 [[UIApplication sharedApplication] registerUserNotificationSettings:settings];
 } else {
 [application registerForRemoteNotificationTypes:UIRemoteNotificationTypeAlert | UIRemoteNotificationTypeBadge | UIUserNotificationTypeSound];
 }

 return YES;
}
/// 這個函數(shù)存在的意義在于：當用戶在設置中關閉了通知時，程序啟動時會調用此函數(shù)，我們可以獲取用戶的設置
- (void)application:(UIApplication *)application didRegisterUserNotificationSettings:(UIUserNotificationSettings *)notificationSettings {
 [application registerForRemoteNotifications];
}

/// 注冊失敗調用
- (void)application:(UIApplication *)application didFailToRegisterForRemoteNotificationsWithError:(NSError *)error {
 NSLog(@"遠程通知注冊失敗：%@",error);
}

/// 用戶同意后，會調用此程序，獲取系統(tǒng)的deviceToken，應把deviceToken傳給服務器保存，此函數(shù)會在程序每次啟動時調用(前提是用戶允許通知)
- (void)application:(UIApplication *)application didRegisterForRemoteNotificationsWithDeviceToken:(NSData *)deviceToken {
 NSLog(@"deviceToken = %@",deviceToken);
}

- (void)application:(UIApplication *)application didReceiveRemoteNotification:(NSDictionary *)userInfo fetchCompletionHandler:(void (^)(UIBackgroundFetchResult))completionHandler {
 // userInfo
} 

 - (void)application:(UIApplication*)application didReceiveRemoteNotification:(NSDictionary*)userInfo fetchCompletionHandler:(void(^)(UIBackgroundFetchResult))completionHandler 

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
 // 獲取遠程推送消息
 NSDictionary *userInfo = launchOptions[UIApplicationLaunchOptionsRemoteNotificationKey];
 if (userInfo) {
 // 有推送的消息，處理推送的消息
 }
 return YES;
}
/// iOS3之后才有，只有在程序處于后臺時，用戶點擊了通知后才會被調用，應搭配didFinishLaunchingWithOptions使用
- (void)application:(UIApplication *)application didReceiveRemoteNotification:(NSDictionary *)userInfo {
 // userInfo
}

{
 "aps" : {   // 必須有
 "alert" : "string",
 "body" : "string",
 "badge" : number,
 "sound" : "string"
 },
 "NotiId" : 20150821, // 自定義key值
}