前提：1.需要vpn 2.带有google 服务的手机
注意！！！ 这个在2023年6月30日时还是测试版，所以手机有概率接收不到消息

编写代码前需要在https://console.firebase.google.com/ 配置好参数

这里的token值需要填写代码内的initFCM()的token值测试

这里需要填入FirebaseInstallations.getInstance().getId().addOnCompleteListener(）返回的id测试

需要引入的依赖
implementation platform(‘com.google.firebase:firebase-bom:32.1.1’)
implementation ‘com.google.firebase:firebase-analytics’
implementation ‘com.google.firebase:firebase-crashlytics’
implementation ‘com.google.firebase:firebase-config’
implementation ‘com.google.firebase:firebase-perf’
implementation ‘com.google.firebase:firebase-messaging’
implementation ‘com.google.firebase:firebase-inappmessaging-display’

    public static FirebaseRemoteConfig sRemoteConfig = null;

    public static FirebaseRemoteConfig getRemoteConfig() {
        if (sRemoteConfig == null) {
            sRemoteConfig = FirebaseRemoteConfig.getInstance();
        }
        return sRemoteConfig;
    }

    public static FirebaseAnalytics sAnalytics = null;
    public static FirebaseAnalytics getAnalytics() {
        if (sAnalytics == null) {
            sAnalytics = FirebaseAnalytics.getInstance(UIUtils.getContext());
        }
        return sAnalytics;
    }

    //    初始化firebase 配置
    public static void acquireRemoteConfig() {
        sRemoteConfig = getRemoteConfig();
        String confTime = sRemoteConfig.getString("remote_config_request_time");
        int cacheExpiration = Integer.parseInt(confTime.isEmpty() ? "12" : confTime) * 60 * 60;
        FirebaseRemoteConfigSettings configSettings = new FirebaseRemoteConfigSettings.Builder()
                .setMinimumFetchIntervalInSeconds(cacheExpiration)
                .build();
        sRemoteConfig.setConfigSettingsAsync(configSettings);
        sRemoteConfig.setDefaultsAsync(R.xml.remote_config_default);
        sRemoteConfig.fetchAndActivate()
                .addOnCompleteListener(task -> {
                    if (task.isSuccessful()) {
                        Slog.d("fetchAndActivate  success");
                    }
                    // 是否初始化firebase的 In App Message功能
                    Boolean showInAppMessaging = FBRCUtils.getIsOpenInAppMessage();
                    FirebaseInAppMessaging.getInstance().setMessagesSuppressed(!showInAppMessaging);
                    Slog.d("fetchAndActivate  success="+showInAppMessaging);
                });

        // 实时RemoteConfig监听
        sRemoteConfig.addOnConfigUpdateListener(new ConfigUpdateListener() {
            @Override
            public void onUpdate(@NonNull ConfigUpdate configUpdate) {
                sRemoteConfig.fetchAndActivate().addOnCompleteListener (task -> {
                    if (task.isSuccessful()) {
                        Slog.d("fetchAndActivate  success");
                    } else {
                        Slog.d("fetchAndActivate  fail");
                    }
                });
            }

            @Override
            public void onError(@NonNull FirebaseRemoteConfigException error) {
                Slog.d("Config update error with code: " +  error);
            }
        });

    }
    private void initFCM() {
        FirebaseMessaging.getInstance().getToken().addOnCompleteListener( task -> {
                    if (!task.isSuccessful()) {
                        Slog.d("Fetching FCM registration token failed ${task.exception}");
                        return;
                    }
                    //TokenResult token = task.getResult();
                    Slog.d("Fetching FCM FirebaseMessaging token：{}\n"+task.getResult());
        });
    }

      FirebaseAnalytics firebaseAnalytics = OsportApplication.getAnalytics();
        if (!btdevice.isEmpty()) {
            firebaseAnalytics.setUserProperty("btdevice", btdevice);
            firebaseAnalytics.setUserProperty("protoID", protoID);
            firebaseAnalytics.setUserProperty("adapterID", adapterId);
            firebaseAnalytics.setUserProperty("curVersion", curVersion);
        }

     FirebaseInstallations.getInstance().getId().addOnCompleteListener(task -> {
                    if (task.isSuccessful()) {
                        Slog.d("Installation ID: " + task.getResult());
                        OsportApplication.serverParameter.setFiId(task.getResult());
                        Slog.d("serverParameter => ${OSportApplciation.serverParameter.toString()}");
                    } else {
                        Slog.e("Installations", "Unable to get Installation ID");
                    }
            }  );