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| 行22: |
行22: |
| | string key = FirebaseDatabase.DefaultInstance.GetReference("user").Push().Key; | | string key = FirebaseDatabase.DefaultInstance.GetReference("user").Push().Key; |
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| − | ==リスト==
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| − | 追加、更新、削除を検知
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| − | <pre>
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| − | using UnityEngine;
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| − | using UnityEngine.UI;
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| − | using Firebase.Database;
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| − | using System.Collections.Generic;
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| − | using System;
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| − |
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| − | public class SampleScene : MonoBehaviour
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| − | {
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| − | void Start()
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| − | {
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| − | DatabaseReference userReference = FirebaseDatabase.DefaultInstance.GetReference("user");
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| − | userReference.ChildAdded += HandleChildAdded;
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| − | userReference.ChildChanged += HandleChildChanged;
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| − | userReference.ChildRemoved += HandleChildRemoved;
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| − |
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| − | InputField input = GameObject.Find("/Canvas/InputField").GetComponent<InputField>();
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| − | GameObject.Find("AddButton").GetComponent<Button>().onClick.AddListener(delegate {
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| − | AddUser(input.text);
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| − | });
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| − | }
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| − | // 受信 追加された時
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| − | void HandleChildAdded(object sender, ChildChangedEventArgs args)
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| − | {
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| − | if (args.DatabaseError != null)
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| − | {
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| − | Debug.LogError(args.DatabaseError.Message);
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| − | return;
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| − | }
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| − | string json = args.Snapshot.GetRawJsonValue();
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| − | Debug.Log("HandleChildAdded=" + json); // {"email":"ttt@example","username":"ttt"}
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| − |
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| − | User user = JsonUtility.FromJson<User>(json);
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| − | Debug.Log("HandleChildAdded username=" + user.username);
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| − | }
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| − | // 受信 更新された時
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| − | void HandleChildChanged(object sender, ChildChangedEventArgs args)
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| − | {
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| − | if (args.DatabaseError != null)
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| − | {
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| − | Debug.LogError(args.DatabaseError.Message);
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| − | return;
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| − | }
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| − | string json = args.Snapshot.GetRawJsonValue();
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| − | Debug.Log("HandleChildChanged=" + json); // {"email":"ttt@example","username":"ttt"}
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| − |
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| − | User user = JsonUtility.FromJson<User>(json);
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| − | Debug.Log("HandleChildChanged username=" + user.username);
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| − | }
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| − | // 受信 削除された時
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| − | void HandleChildRemoved(object sender, ChildChangedEventArgs args)
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| − | {
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| − | if (args.DatabaseError != null)
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| − | {
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| − | Debug.LogError(args.DatabaseError.Message);
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| − | return;
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| − | }
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| − | string json = args.Snapshot.GetRawJsonValue();
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| − | Debug.Log("HandleChildRemoved=" + json); // {"email":"ttt@example","username":"ttt"}
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| − |
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| − | User user = JsonUtility.FromJson<User>(json);
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| − | Debug.Log("HandleChildRemoved username=" + user.username);
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| − | }
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| − | void AddUser(string name)
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| − | {
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| − | User user = new User(name, name + "@example");
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| − | string json = JsonUtility.ToJson(user); // {"email":"ttt@example","username":"ttt"}
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| − | // userに存在しないキーを生成
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| − | // FirebaseDatabase.DefaultInstance.GetReference("user").Push().Key;
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| − | #if Unity_EDITOR
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| − | string userId = "pc";
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| − | #elif UNITY_ANDROID
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| − | string userId = "android";
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| − | #elif UNITY_IPHONE
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| − | string userId = "iphone";
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| − | #endif
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| − | FirebaseDatabase.DefaultInstance.GetReference("user").Child(userId)
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| − | .SetRawJsonValueAsync(json);
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| − | }
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| − | }
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| − | </pre>
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| | | | |
| | ==切断== | | ==切断== |
