Unity/Firebase/Realtimedatabase/基本

サンプル

SampleScene.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

using Firebase;
using Firebase.Database;
using Firebase.Unity.Editor;

public class SampleScene : MonoBehaviour
{
    void Start()
    {
        // Get the root reference location of the database.
        DatabaseReference reference = FirebaseDatabase.DefaultInstance.RootReference;

        // 書き込み
        FirebaseDatabase.DefaultInstance.GetReference("users")
        .Child("name")
        .SetValueAsync("taro");

        // 読み込み
        FirebaseDatabase.DefaultInstance.GetReference("users")
        .Child("name")
        .GetValueAsync().ContinueWith(task =>
        {
            if (task.IsFaulted)
            {
                Debug.LogError("not found users");
            }
            else if (task.IsCompleted)
            {
                DataSnapshot snapShot = task.Result;
                Debug.Log(snapShot.Value);
            }
        });

    }
}

参考：https://firebase.google.com/docs/database/unity/retrieve-data?hl=ja

参考：http://siguma-sig.hatenablog.com/entry/2018/09/30/213822

階層

/で区切ったり、

.Child("na/me")

Childでつなげたり。

.Child("na").Child("me")

keyを生成

userに存在しないキーを生成

string key = FirebaseDatabase.DefaultInstance.GetReference("user").Push().Key;