iOS 通知分为当地推送和远程推送两类
一. 当地推送使用流程
1. 注册通知
- //请求通知权限
- UNUserNotificationCenter *center = [UNUserNotificationCenter currentNotificationCenter];
- [center requestAuthorizationWithOptions:(UNAuthorizationOptionBadge | UNAuthorizationOptionSound | UNAuthorizationOptionAlert) completionHandler:^(BOOL granted, NSError * _Nullable error) {
- if (error) { NSLog(@"request authorization error: %@", error); }
- }];
- //注册通知
- [[UIApplication sharedApplication] registerForRemoteNotifications];
复制代码 2.推送通知
- UNUserNotificationCenter *center = [UNUserNotificationCenter currentNotificationCenter];
- UNMutableNotificationContent *content = [[UNMutableNotificationContent alloc] init]; //标题
- content.sound = [UNNotificationSound defaultSound];
-
- NSInteger badge = [UIApplication sharedApplication].applicationIconBadgeNumber + 1;
- content.badge = @(badge);
- content.body = message;// 本地推送一定要有内容,即body不能为空。
- #if __IPHONE_OS_VERSION_MAX_ALLOWED >= 150000
- if (@available(iOS 15.0, *))
- {
- content.interruptionLevel = UNNotificationInterruptionLevelTimeSensitive;//会使手机亮屏且会播放声音;可能会在免打扰模式(焦点模式)下展示
- // @"{"aps":{"interruption-level":"time-sensitive"}}";
- // @"{"aps":{"interruption-level":"active"}}";
- content.body = message;// 本地推送一定要有内容,即body不能为空。
- }
- #endif
- // repeats,是否重复,如果重复的话时间必须大于60s,要不会报错
- //UNCalendarNotificationTrigger 如果是时间触发
- //UNLocationNotificationTrigger 地点触发
- UNTimeIntervalNotificationTrigger *trigger = [UNTimeIntervalNotificationTrigger triggerWithTimeInterval:0.01 repeats:NO];
- /* */
- //添加通知的标识符,可以用于移除,更新等搡作
- NSString * identifier = [[NSUUID UUID] UUIDString];
- UNNotificationRequest *request = [UNNotificationRequest requestWithIdentifier:identifier content:content trigger:trigger];
- [center addNotificationRequest:request withCompletionHandler:^(NSError *_Nullable error)
- {
- if(!error)
- {
- dispatch_async(dispatch_get_main_queue(), ^{
-
- });
- }
- }];
- //点击本地通知回调
- /*API_DEPRECATED("Use UserNotifications Framework's -[UNUserNotificationCenterDelegate willPresentNotification:withCompletionHandler:] or -[UNUserNotificationCenterDelegate didReceiveNotificationResponse:withCompletionHandler:]"*/
- - (void) application:(UIApplication *)application didReceiveLocalNotification:(UILocalNotification *)notification
- {
- //
- }
复制代码 二.远程推送(APNS)
1. 远程推送的五步骤
1).应该步伐注册APNS消息推送
2).ios 从APNS Server得到devicetoken.
3).应用程将devicetoken发送从自己的服务器。
4).服务器将消息发送给APNS服务器。
5).APNS发送给app
苹果官司方给机制解释图
2. 远程推送大小限定
远程通知负载的大小根据服务器使用的API不同而不同
当使用HTTP/2 provider API时,负载最大为4kB;当使用legacy binary interface时,负载最大为2kB。当负载大小凌驾规定的负载大小时,APNs会拒绝发送此通知
3.推送通知实现
1)首先 设置 app 的bundle Id 支持 通知推送
2)申请推送通知证书,这个证书主要是服务器必要使用的
推送证书的申请过程和别的证书类似
3)app 注册通知 这部分和当地通知是一样的。
- //请求通知权限
- UNUserNotificationCenter *center = [UNUserNotificationCenter currentNotificationCenter];
- [center requestAuthorizationWithOptions:(UNAuthorizationOptionBadge | UNAuthorizationOptionSound | UNAuthorizationOptionAlert) completionHandler:^(BOOL granted, NSError * _Nullable error) {
- if (error) { NSLog(@"request authorization error: %@", error); }
- }];
- //注册通知
- [[UIApplication sharedApplication] registerForRemoteNotifications];
复制代码 4)收到APNS 发送的token 并发送给服务器
- - (void) application:(UIApplication *)application didRegisterForRemoteNotificationsWithDeviceToken:(NSData *)deviceToken
- {
- //注册推送消息成功
- //收到deviceToken并发送给服务器
- NSLog(@"deviceToken = %@", deviceToken);
- }
- - (void)application:(UIApplication *)application didFailToRegisterForRemoteNotificationsWithError:(NSError *)error API_AVAILABLE(ios(3.0))
- {
- //注册推送消息失败
- }
复制代码 服务器收到token后,必要发送消息时,就可以把token,消息内容和证书一起发送给
APNS服务器,APNS就推送给app了。
5)app收到推送通知后的处置惩罚
1> app被杀死时,用户点击通知会在didFinishLaunchingWithOptions获取通知内容
- - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
- ...
-
- // 注册通知类型
- UNUserNotificationCenter *center = [UNUserNotificationCenter currentNotificationCenter];
- [center requestAuthorizationWithOptions:(UNAuthorizationOptionBadge | UNAuthorizationOptionSound | UNAuthorizationOptionAlert) completionHandler:^(BOOL granted, NSError * _Nullable error) {
- if (error) { NSLog(@"request authorization error: %@", error); }
- }];
- [[UIApplication sharedApplication] registerForRemoteNotifications];
- // app 被杀死时用户点击通知 获取推送内容
- NSDictionary *userInfo = launchOptions[UIApplicationLaunchOptionsRemoteNotificationKey];
- if (userInfo) {
- //能过点击通知启动app
- NSLog(@"userInfo = %@", userInfo);
- }
- ...
- }
复制代码 2> app在背景,点击通知
- //老版处理
- /*- (void)application:(UIApplication *)application didReceiveRemoteNotification:(NSDictionary *)userInfo
- {
- DDLogDebug(@"userInfo ----->%@",userInfo);
- }*/
- //新版处理
- - (void) application:(UIApplication *)application didReceiveRemoteNotification:(nonnull NSDictionary *)userInfo fetchCompletionHandler:(nonnull void (^)(UIBackgroundFetchResult))completionHandler
- {
- DDLogDebug(@"userInfo ----->%@",userInfo);
- }
复制代码
三.推送功能的测试
有个推送测试的工具 SmartPush
下载地址:
1、Github地址:https://github.com/shaojiankui/SmartPush
2、release安装包:https://github.com/shaojiankui/SmartPush/releases
3、消息体格式:
- {
- "aps": {
- "alert": {
- "title": "新消息",
- "body": "您有一条新的消息!"
- },
- "badge": 1,
- "sound": "default"
- },
- "customData": {
- "type": "message",
- "id": "12345"
- }
- }
复制代码
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