Firebase远程配置获取不会从云中更新值 [英] Firebase Remote Config fetch doesn't update values from the Cloud

问题描述

我正在尝试为我的项目设置Firebase远程配置.我通过助手添加了Firebase.我在Google Cloud Console的服务器值中添加了值:

I'm trying to set up Firebase Remote Config for my project. I added Firebase via the Assistant. I added values to the server values on Google Cloud Console:

我已经在res/xml中创建了默认值xml

I've created default values xml in res/xml

<defaultsMap>

<!-- Strings-->
<entry >
    <key>textView_send_text</key>
    <value >your phrase goes here.</value>
</entry>

</defaultsMap>

那是我的MainActivity:

Thats my MainActivity:

final private FirebaseRemoteConfig mFirebaseRemoteConfig = FirebaseRemoteConfig.getInstance();

protected void onCreate(Bundle savedInstanceState) {
    //..code..

    //fetch from Firebase
    fetchAll();
}

private void fetchAll(){
     final FirebaseRemoteConfig mFirebaseRemoteConfig = FirebaseRemoteConfig.getInstance();

    FirebaseRemoteConfigSettings configSettings = new FirebaseRemoteConfigSettings.Builder()
            .setDeveloperModeEnabled(BuildConfig.DEBUG)
            .build();
    mFirebaseRemoteConfig.setConfigSettings(configSettings);

    mFirebaseRemoteConfig.setDefaults(R.xml.defaults);

    mFirebaseRemoteConfig.fetch()
            .addOnCompleteListener(this, new OnCompleteListener<Void>() {
                @Override
                public void onComplete(@NonNull Task<Void> task) {
                    if(task.isSuccessful()){
                        Toast.makeText(MainActivity.this, "Fetch Succeeded",
                                Toast.LENGTH_SHORT).show();

                        mFirebaseRemoteConfig.activateFetched();
                    }else{
                        Toast.makeText(MainActivity.this, "Fetch Failed",
                                Toast.LENGTH_SHORT).show();
                    }

                    displayWelcomeMessage();

                }
            });





}

private void displayWelcomeMessage(){
    String welcomeMessage = mFirebaseRemoteConfig.getString("textView_send_text");

    Toast.makeText(this, welcomeMessage,
            Toast.LENGTH_SHORT).show();
}

吐司输出:

因此，Toast从xml/defaults中获取值，而不是从Cloud中获取值.如果有人发现我犯了一个错误，将不胜感激.

So Toast gets the value from xml/defaults not from the Cloud. It'd be much appreciated if somebody found where I made a mistake.

推荐答案

对于开发测试，请指定缓存过期时间为零，以强制立即获取:

For development testing, specify a cache expiration time of zero to force an immediate fetch:

mFirebaseRemoteConfig.fetch(0) // <- add the zero
        .addOnCompleteListener(this, new OnCompleteListener<Void>() {
            ...
        });

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