我决定在Firebase for Unity中试用Quickstart示例。我没有更改代码中的任何内容，但我在UIHandler脚本中默认收到此错误：
Assets / TestApp / UIHandler.cs（27,12）：错误CS0234：命名空间“Firebase”中不存在类型或命名空间名称“Auth”。你错过了装配参考吗？
我在下载时遗漏了什么，或者我应该添加任何行吗？请帮助！
// Copyright 2016 Google Inc. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
using System;
using System.Collections;
using System.Threading.Tasks;
using UnityEngine;
using UnityEngine.UI;
// Handler for UI buttons on the scene. Also performs some
// necessary setup (initializing the firebase app, etc) on
// startup.
public class UIHandler : MonoBehaviour {
Firebase.Auth.FirebaseAuth auth;
Firebase.Auth.FirebaseUser user;
public GUISkin fb_GUISkin;
private string logText = "";
private string email = "";
private string password = "";
// Enable / disable password input box.
// NOTE: In some versions of Unity the password input box does not work in
// iOS simulators.
public bool usePasswordInput = false;
private Vector2 controlsScrollViewVector = Vector2.zero;
private Vector2 scrollViewVector = Vector2.zero;
bool UIEnabled = true;
const int kMaxLogSize = 16382;
Firebase.DependencyStatus dependencyStatus = Firebase.DependencyStatus.UnavailableOther;
// When the app starts, check to make sure that we have
// the required dependencies to use Firebase, and if not,
// add them if possible.
void Start() {
dependencyStatus = Firebase.FirebaseApp.CheckDependencies();
if (dependencyStatus != Firebase.DependencyStatus.Available) {
Firebase.FirebaseApp.FixDependenciesAsync().ContinueWith(task => {
dependencyStatus = Firebase.FirebaseApp.CheckDependencies();
if (dependencyStatus == Firebase.DependencyStatus.Available) {
InitializeFirebase();
} else {
// This should never happen if we're only using Firebase Analytics.
// It does not rely on any external dependencies.
Debug.LogError(
"Could not resolve all Firebase dependencies: " + dependencyStatus);
}
});
} else {
InitializeFirebase();
}
}
// Handle initialization of the necessary firebase modules:
void InitializeFirebase() {
DebugLog("Setting up Firebase Auth");
auth = Firebase.Auth.FirebaseAuth.DefaultInstance;
auth.StateChanged += AuthStateChanged;
}
// Exit if escape (or back, on mobile) is pressed.
void Update() {
if (Input.GetKeyDown(KeyCode.Escape)) {
Application.Quit();
}
}
void OnDestroy() {
auth.StateChanged -= AuthStateChanged;
auth = null;
}
void DisableUI() {
UIEnabled = false;
}
void EnableUI() {
UIEnabled = true;
}
// Output text to the debug log text field, as well as the console.
public void DebugLog(string s) {
Debug.Log(s);
logText += s + "\n";
while (logText.Length > kMaxLogSize) {
int index = logText.IndexOf("\n");
logText = logText.Substring(index + 1);
}
scrollViewVector.y = int.MaxValue;
}
// Track state changes of the auth object.
void AuthStateChanged(object sender, System.EventArgs eventArgs) {
if (auth.CurrentUser != user) {
if (user == null && auth.CurrentUser != null) {
DebugLog("Signed in " + auth.CurrentUser.DisplayName);
} else if (user != null && auth.CurrentUser == null) {
DebugLog("Signed out " + user.DisplayName);
}
user = auth.CurrentUser;
}
}
public void CreateUser() {
DebugLog(String.Format("Attempting to create user {0}...", email));
DisableUI();
auth.CreateUserWithEmailAndPasswordAsync(email, password)
.ContinueWith(HandleCreateResult);
}
void HandleCreateResult(Task<Firebase.Auth.FirebaseUser> authTask) {
EnableUI();
if (authTask.IsCanceled) {
DebugLog("User Creation canceled.");
} else if (authTask.IsFaulted) {
DebugLog("User Creation encountered an error.");
DebugLog(authTask.Exception.ToString());
} else if (authTask.IsCompleted) {
DebugLog("User Creation completed.");
if (auth.CurrentUser != null) {
DebugLog("User Info: " + auth.CurrentUser.Email + " " + auth.CurrentUser.ProviderId);
}
DebugLog("Signing out.");
auth.SignOut();
}
}
public void Signin() {
DebugLog(String.Format("Attempting to sign in as {0}...", email));
DisableUI();
auth.SignInWithEmailAndPasswordAsync(email, password)
.ContinueWith(HandleSigninResult);
}
// This is functionally equivalent to the Signin() function. However, it
// illustrates the use of Credentials, which can be aquired from many
// different sources of authentication.
public void SigninWithCredential() {
DebugLog(String.Format("Attempting to sign in as {0}...", email));
DisableUI();
Firebase.Auth.Credential cred = Firebase.Auth.EmailAuthProvider.GetCredential(email, password);
auth.SignInWithCredentialAsync(cred).ContinueWith(HandleSigninResult);
}
// Attempt to sign in anonymously.
public void SigninAnonymously() {
DebugLog("Attempting to sign anonymously...");
DisableUI();
auth.SignInAnonymouslyAsync().ContinueWith(HandleSigninResult);
}
void HandleSigninResult(Task<Firebase.Auth.FirebaseUser> authTask) {
EnableUI();
if (authTask.IsCanceled) {
DebugLog("SignIn canceled.");
} else if (authTask.IsFaulted) {
DebugLog("Login encountered an error.");
DebugLog(authTask.Exception.ToString());
} else if (authTask.IsCompleted) {
DebugLog("Login completed.");
DebugLog("Signing out.");
auth.SignOut();
}
}
public void DeleteUser() {
DebugLog(String.Format("Attempting to delete user {0}...", email));
DisableUI();
auth.SignInWithEmailAndPasswordAsync(email, password)
.ContinueWith(HandleDeleteSigninResult);
}
void HandleDeleteSigninResult(Task<Firebase.Auth.FirebaseUser> authTask) {
EnableUI();
if (authTask.IsCanceled) {
DebugLog("Delete signin canceled.");
} else if (authTask.IsFaulted) {
DebugLog("Delete signin encountered an error while signing in.");
DebugLog(authTask.Exception.ToString());
} else if (authTask.IsCompleted) {
DisableUI();
auth.CurrentUser.DeleteAsync().ContinueWith(HandleDeleteResult);
DebugLog("Signed in - deleting user.");
}
}
void HandleDeleteResult(Task authTask) {
EnableUI();
if (authTask.IsCanceled) {
DebugLog("Delete canceled.");
} else if (authTask.IsFaulted) {
DebugLog("Delete encountered an error while signing in.");
DebugLog(authTask.Exception.ToString());
} else if (authTask.IsCompleted) {
DebugLog("Delete completed.");
}
}
// Render the log output in a scroll view.
void GUIDisplayLog() {
scrollViewVector = GUILayout.BeginScrollView(scrollViewVector);
GUILayout.Label(logText);
GUILayout.EndScrollView();
}
// Render the buttons and other controls.
void GUIDisplayControls(){
if (UIEnabled) {
controlsScrollViewVector =
GUILayout.BeginScrollView(controlsScrollViewVector);
GUILayout.BeginVertical();
GUILayout.BeginHorizontal();
GUILayout.Label("Email:", GUILayout.Width(Screen.width * 0.20f));
email = GUILayout.TextField(email);
GUILayout.EndHorizontal();
GUILayout.Space(20);
GUILayout.BeginHorizontal();
GUILayout.Label("Password:", GUILayout.Width(Screen.width * 0.20f));
password = usePasswordInput ? GUILayout.PasswordField(password, '*') :
GUILayout.TextField(password);
GUILayout.EndHorizontal();
GUILayout.Space(20);
if (GUILayout.Button("Create User")) {
CreateUser();
}
if (GUILayout.Button("Sign In Anonymously")) {
SigninAnonymously();
}
if (GUILayout.Button("Sign In With Email")) {
Signin();
}
if (GUILayout.Button("Sign In With Credentials")) {
SigninWithCredential();
}
if (GUILayout.Button("Delete User")) {
DeleteUser();
}
GUILayout.EndVertical();
GUILayout.EndScrollView();
}
}
// Render the GUI:
void OnGUI() {
GUI.skin = fb_GUISkin;
if (dependencyStatus != Firebase.DependencyStatus.Available) {
GUILayout.Label("One or more Firebase dependencies are not present.");
GUILayout.Label("Current dependency status: " + dependencyStatus.ToString());
return;
}
Rect logArea, controlArea;
if (Screen.width < Screen.height) {
// Portrait mode
controlArea = new Rect(0.0f, 0.0f, Screen.width, Screen.height * 0.5f);
logArea = new Rect(0.0f, Screen.height * 0.5f, Screen.width, Screen.height * 0.5f);
} else {
// Landscape mode
controlArea = new Rect(0.0f, 0.0f, Screen.width * 0.5f, Screen.height);
logArea = new Rect(Screen.width * 0.5f, 0.0f, Screen.width * 0.5f, Screen.height);
}
GUILayout.BeginArea(logArea);
GUIDisplayLog();
GUILayout.EndArea();
GUILayout.BeginArea(controlArea);
GUIDisplayControls();
GUILayout.EndArea();
}
}
答案 0 :(得分：2)
快速入门不靠自己工作。您还必须从Firebase SDK导入相应的unitypackage，以使每个工作都可以使用。例如，Auth快速入门还需要导入FirebaseAuth.unitypackage。