app推送选购

// 初始化推送服务
PushManager.getInstance().initialize(this.getApplicationContext(), new InitializationListener() {
    @Override
    public void initialized(boolean success) {
        if (success) {
            // 注册推送服务
            PushManager.getInstance().registerPushIntentService(this.getApplicationContext(), MyPushIntentService.class);
        }
    }
});

// 发送推送消息
PushManager.getInstance().sendMessage("Hello, World!", "user_id_123");

// 配置推送通知
UNUserNotificationCenter.current().requestAuthorization(options: [.alert, .sound, .badge]) { granted, error in
    if granted {
        DispatchQueue.main.async {
            UIApplication.shared.registerForRemoteNotifications()
        }
    }
}

// 发送推送消息
let content = UNMutableNotificationContent()
content.title = "Hello"
content.body = "World"
let trigger = UNTimeIntervalNotificationTrigger(timeInterval: 5, repeats: false)
let request = UNNotificationRequest(identifier: "notification_id", content: content, trigger: trigger)
UNUserNotificationCenter.current().add(request)