iOS 8 体验推送

一直更新了iOS8，但是一直没有开始研究这个iOS8，今天因为项目用到了推送，于是体验了iOS8的推送，先讲讲这个推送。目前分为四个推送：用户推送，本地推送，远程推送，地理位置推送。

推送界面

用户推送

我们先开始讲这个用户推送,我们要使用之前必须先注册这个推送，用户要允许这个程序进行推送

注册过程：

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- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
    // Override point for customization after application launch.
    UIUserNotificationType  types = UIUserNotificationTypeBadge | UIUserNotificationTypeSound | UIUserNotificationTypeAlert ;
    UIUserNotificationSettings  *mySettings  = [UIUserNotificationSettings settingsForTypes:types categories:nil];
    [[UIApplication sharedApplication] registerUserNotificationSettings:mySettings];
    return YES;
}


- (void)application:(UIApplication *)application didRegisterUserNotificationSettings:(UIUserNotificationSettings *)notificationSettings
{
    UIUserNotificationType allowTypes = [notificationSettings types];
}


- (void)getReadyForNotification
{
    UIUserNotificationSettings *currentNotificationSettings = [[UIApplication sharedApplication] currentUserNotificationSettings];
    [self checkSetting:currentNotificationSettings];

}

总结就是三个方法进行注册

推送注册三个方法

我们现在仅仅是注册了通知的设置，还要注册推送通知的行为，在iOS8中，行为能直接在推送消息进行，如回复消息，拒绝消息等

直接在推送消息进行回复

这个真心碉堡了

我们如何能进行这些行为，首先我们需注册这些行为。

  • Actions
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    UIMutableUserNotificationAction *acceptAction = [[UIMutableUserNotificationAction alloc] init];
acceptAction.identifier = @"RickAction";
acceptAction.title = @"Accept";
acceptAction.activationMode = UIUserNotificationActivationModeBackground;
acceptAction.destructive = NO;
acceptAction.authenticationRequired = NO;
  • Categories
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    UIMutableUserNotificationCategory *inviteCategory = [[UIMutableUserNotificationCategory alloc] init];
inviteCategory.identifier = @"INVITE_CATEGORY";
[inviteCategory setActions:@[acceptAction] forContext:UIUserNotificationActionContextDefault];

    我们需要注意这个UIUserNotificationActionContextDefault,如果我们使用这个，我们会得到这个推送行为，Maybe和Accept

    Maybe和Accept

    我们还可以使用UIUserNotificationActionContextMinimal得到的是Decline和Accept行为

    Decline和Accept

  • Settings

    • 在这些行为注册之后，我们加上之前提到的推送设置就完成了注册推送的这个流程了

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    NSSet *categories = [NSSet setWithObjects:inviteCategory, nil];
UIUserNotificationType  types = UIUserNotificationTypeBadge | UIUserNotificationTypeSound | UIUserNotificationTypeAlert ;
UIUserNotificationSettings  *mySettings  = [UIUserNotificationSettings settingsForTypes:types categories:categories];
[[UIApplication sharedApplication] registerUserNotificationSettings:mySettings];

    远程推送

    远程推送，所有消息大小不超过2KB,我们获取远程推送的json格式的消息，解析这个消息就是我们的远程推送了：

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    {
    “aps”: {
        "content-available": 1,
        "alert": "This is the alert text",
        "badge": 1,
        "sound": "default"
    }
}

    若要使用远程推送，满足两个条件：一、用户需要调用注册用户推送registerUserNotificationSettings;二、在info.plist文件中UIBackgroundModes必须包含远程通知。

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    [[UIApplication sharedApplication] registerForRemoteNotifications];

    这个注册通知的方法开始更改了

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    - (void)application:(UIApplication *)application didRegisterForRemoteNotificationsWithDeviceToken:(NSData *)deviceToken
{
}

- (void)application:(UIApplication *)application didFailToRegisterForRemoteNotificationsWithError:(NSError *)error
{
}

    iOS7通知代理方法

    iOS6的通知代理方法

    后来又增加了本地通知的代理方法

    添加本地推送的通知代理方法

    iOS8的推送代理方法只有两个了

    iOS 8推送的通知代理方法

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    - (void)application:(UIApplication *)application handleActionWithIdentifier:(NSString *)identifier forLocalNotification:(UILocalNotification *)notification completionHandler:(void (^)())completionHandler
{
}

- (void)application:(UIApplication *)application handleActionWithIdentifier:(NSString *)identifier forRemoteNotification:(NSDictionary *)userInfo completionHandler:(void (^)())completionHandler
{
}

- (void)application:(UIApplication *)application handleActionWithIdentifier:(NSString *)identifier forLocalNotification:(UILocalNotification *)notification completionHandler:(void (^)())completionHandler
{
    if ([identifier isEqualToString:@"RickAction"]) {
        [self handleAcceptActionWithNotification:notification];
    }
    completionHandler();
}

- (void)handleAcceptActionWithNotification:(UILocalNotification*)notification
{
}

    地理位置推送

    这个推送是新的API才有的特性,必须配合CLLocation定位一起使用。

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    //Location Notification
    CLLocationManager *locMan = [[CLLocationManager alloc] init];
    locMan.delegate = self;
    [locMan requestWhenInUseAuthorization];

#pragma mark - CLLocationManager

- (void)locationManager:(CLLocationManager *)manager didChangeAuthorizationStatus:(CLAuthorizationStatus)status

{
    BOOL canUseLocationNotifications = (status == kCLAuthorizationStatusAuthorizedWhenInUse);
    if (canUseLocationNotifications) {
        [self startShowLocationNotification];
    }
}
- (void)application:(UIApplication *)application didReceiveLocalNotification:(UILocalNotification *)notification

{
    CLRegion *region = notification.region;
    if (region) {
    }
}

- (void)startShowLocationNotification

{
    CLLocationCoordinate2D local2D ;
    local2D.latitude = 123.0;
    local2D.longitude = 223.0;
    UILocalNotification *locNotification = [[UILocalNotification alloc] init];
    locNotification.alertBody = @"你接收到了";
    locNotification.regionTriggersOnce = YES;
    locNotification.region = [[CLCircularRegion alloc] initWithCenter:local2D radius:45 identifier:@"local-identity"];
    [[UIApplication sharedApplication] scheduleLocalNotification:locNotification];
}

    如果没有开启Core Location 那么上面的didReceiveLocalNotification不会被调用

    最后再总结一下，整个推送流程我觉得是这样子的，先注册推送，然后推送消息，客户端接收推送消息，执行推送行为。如果有错误，还请在文章下面评论，欢迎指正。

    推送的流程

    written by Rick posted at http://ITMonkeyLife.github.io/Blog

    iOS
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