從Firebase中提取值Android

我嘗試從Firebase中的遠程配置中獲取特定值，但它始終爲我提供第一次在客戶端定義的值。從Firebase中提取值Android

這裏是我的代碼：

public static final int DEFAULT_MSG_LENGTH_LIMIT = 1000; 
private static final String FRIENDLY_MSG_LENGTH_KEY ="friendly_msg_length"; 

protected void onCreate(Bundle savedInstanceState) { 
    super.onCreate(savedInstanceState); 
    setContentView(R.layout.activity_main); 

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

    Map<String, Object> defaultConfigMap = new HashMap<>(); 
    defaultConfigMap.put(FRIENDLY_MSG_LENGTH_KEY, DEFAULT_MSG_LENGTH_LIMIT); 
    mFirebaseRemoteConfig.setDefaults(defaultConfigMap); 
    fetchCnfig(); 
} 

private void fetchCnfig() { 
    long cacheExpiration = 3600; 
    if(mFirebaseRemoteConfig.getInfo().getConfigSettings().isDeveloperModeEnabled()){ 
     cacheExpiration = 0; 
    } 
    mFirebaseRemoteConfig.fetch(cacheExpiration) 
      .addOnCompleteListener(new OnCompleteListener<Void>() { 
       @Override 
       public void onComplete(@NonNull Task<Void> task) { 
        if(task.isSuccessful()){ 
         mFirebaseRemoteConfig.activateFetched(); 
         applyRetrievedLengthLimit(); 
        }else{ 
         Log.w(TAG, "error fetching config" + task.getException().getMessage()); 
         applyRetrievedLengthLimit(); 
        } 
       } 
      }); 
} 

private void applyRetrievedLengthLimit() { 
    long friendly_msg_length = mFirebaseRemoteConfig.getLong(FRIENDLY_MSG_LENGTH_KEY); 
    mMessageEditText.setFilters(new InputFilter[]{new InputFilter.LengthFilter(((int) friendly_msg_length))}); 
}

任何想法可能是錯誤的將被評估

來源

2017-01-20 yaffa