ios推送--apns

ios推送–apns

前言

• 使用极光推送或友盟推送在ios上只能推送普通的信息，普通推送在用户点击通知栏时这时才唤醒app,于是看到app从启动页开始加载，这对于一些场景下可能不适用，比如我想在点击时就可以马上显示想要的画面，在做语音通话时这点显得比较重要
• 普通推送是做不到了，callkit在中国又是被禁的，那么就只剩下VOIP了
• 但VOIP需要证书这点还是比较麻烦的，搞到证书后要通过苹果审核也只能看运气了（详见 iOS审核被拒大全：https://www.cnblogs.com/YolvinBlog/p/6296091.html）

准备

• 向苹果申请pc12格式的证书（一年有效，到期需重新申请）

步骤

• 本次使用的github上的库pushy(另外一个库java-apns据说在jdk8上有问题，因此没使用)

添加依赖

• 以下以gradle方式示例

  	// https://mvnrepository.com/artifact/com.turo/pushy
      compile group: 'com.turo', name: 'pushy', version: '0.13.7'
  

获得ApnsClient

• 通过设置证书和密码获得ApnsClient对象

  //证书路径
  Resource resource = new ClassPathResource("static/ACS_Landlord_VoIP_2019-03-14.p12");
  File file = resource.getFile();
  final ApnsClient apnsClient = new ApnsClientBuilder()
                .setApnsServer(ApnsClientBuilder.DEVELOPMENT_APNS_HOST) //生产环境还是开发环境
                .setClientCredentials(file, "123456") //证书密码
                .build();
  

• 其中ApnsClientBuilder.DEVELOPMENT_APNS_HOST表示在测试环境中使用，假如ios使用的是生产环境，那么则要改为ApnsClientBuilder.PRODUCTION_APNS_HOST，否则推送会失败

推送

• 获得设备码后开始推送

final SimpleApnsPushNotification pushNotification;

        final String token = TokenUtil.sanitizeTokenString("9e3a8da155d97e14ab459923d8992bf48e2807a4defb9517d6534311c82c1d57");

        pushNotification = new SimpleApnsPushNotification(token, "com.xxx.xxx.voip", "这是推送内容");

        final PushNotificationFuture<SimpleApnsPushNotification, PushNotificationResponse<SimpleApnsPushNotification>>
                sendNotificationFuture =  apnsClient.sendNotification(pushNotification);
        try {
            final PushNotificationResponse<SimpleApnsPushNotification> pushNotificationResponse =
                    sendNotificationFuture.get();

            if (pushNotificationResponse.isAccepted()) {
                System.out.println("Push notification accepted by APNs gateway.");
            } else {
                System.out.println("Notification rejected by the APNs gateway: " +
                        pushNotificationResponse.getRejectionReason());

                if (pushNotificationResponse.getTokenInvalidationTimestamp() != null) {
                    System.out.println("\t…and the token is invalid as of " +
                            pushNotificationResponse.getTokenInvalidationTimestamp());
                }
            }
        } catch (final ExecutionException e) {
            System.err.println("Failed to send push notification.");
            e.printStackTrace();
        } catch (InterruptedException e) {
            e.printStackTrace();
        }

• 其中的token则是ios的设备码，topic则应用的bundle id加上后缀.voip,比如bundle id为com.xxx.xxx，那么则填写com.xxx.xxx.voip
• 更多用法请详看 https://github.com/relayrides/pushy

参考

relayrides/pushy: A Java library for sending APNs (iOS/macOS/Safari) push notifications
https://github.com/relayrides/pushy
notnoop/java-apns: Java Apple Push Notification Service Provider
https://github.com/notnoop/java-apns