無聲推送通知

Question

只需要確認。如果我使用了靜默推送通知服務（如用於詢問何時使用推送通知），應用程序是否會請求用戶權限？任何幫助，將不勝感激

Answer 1

不，這是沉默的，這意味着它在後臺工作，沒有用戶確認在通知時。

在應用程序安裝時，它要求確認，如正常的推送通知。

Answer 2

對於必須設置JSON像這樣的（PHP文件）沉默推，

$body['aps'] = array(
    'sound' => '', 
    'content-available' => 1 
    ); 

不發送警報和徽章。

在Xcode文件選擇目標 - >能力和啓用後臺模式，在appdelegate.m文件打勾遠程通知

只使用該消息接收無聲推

- (void)application:(UIApplication *)application didReceiveRemoteNotification:(NSDictionary *)userInfo fetchCompletionHandler:(void (^)(UIBackgroundFetchResult result))handler 
{ 
    //Success this method will automatically call when device receives push notification 
    handler(UIBackgroundFetchResultNewData); 
} 

// eg code to register for apps 
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions { 
    // Override point for customization after application launch. 

    if ([application respondsToSelector:@selector(registerUserNotificationSettings:)]) { 
     UIUserNotificationSettings *settings = [UIUserNotificationSettings settingsForTypes:(UIRemoteNotificationTypeBadge 
                          |UIRemoteNotificationTypeSound 
                          |UIRemoteNotificationTypeAlert) categories:nil]; 
     [application registerUserNotificationSettings:settings]; 
    } else { 
     UIRemoteNotificationType myTypes = UIRemoteNotificationTypeBadge | UIRemoteNotificationTypeAlert | UIRemoteNotificationTypeSound; 
     [application registerForRemoteNotificationTypes:myTypes]; 
    } 

    return YES; 
} 


#ifdef __IPHONE_8_0 
- (void)application:(UIApplication *)application didRegisterUserNotificationSettings:(UIUserNotificationSettings *)notificationSettings 
{ 
    //register to receive notifications 
    [application registerForRemoteNotifications]; 
} 

- (void)application:(UIApplication *)application handleActionWithIdentifier:(NSString *)identifier forRemoteNotification:(NSDictionary *)userInfo completionHandler:(void(^)())completionHandler 
{ 
    //handle the actions 
    if ([identifier isEqualToString:@"declineAction"]){ 
    } 
    else if ([identifier isEqualToString:@"answerAction"]){ 
    } 
} 
#endif 

- (void)application:(UIApplication*)application didRegisterForRemoteNotificationsWithDeviceToken:(NSData*)deviceToken 
{ 
    NSLog(@"My token is: %@", deviceToken); 
} 

- (void)application:(UIApplication*)application didFailToRegisterForRemoteNotificationsWithError:(NSError*)error 
{ 
    NSLog(@"Failed to get token, error: %@", error); 
}