尝试使用 LibGDX 登录 GooglePlay 游戏服务时出现“signInSilently(): failure”

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【中文标题】尝试使用 LibGDX 登录 GooglePlay 游戏服务时出现“signInSilently(): failure”【英文标题】:"signInSilently(): failure" when trying to sign in to GooglePlay Game Services with LibGDX 【发布时间】:2018-06-16 13:26:56 【问题描述】:

在过去的 3 天里,我一直在尝试将 Google Game Services 添加到我的 LibGDX 项目中,现在起初我尝试了 LibGDX 教程,但它们似乎都已经过时了。然后我被建议使用谷歌游戏服务官方代码

LibGDX: How to Implement Google Play Game Services?

我导入了示例项目 TypeANumber 并尝试将代码添加到我的项目中,但是当我尝试登录时,我得到了 "signInSilently(): failure" error,当我尝试打开排行榜和成就时它崩溃了调试和签名的 APKS。

这是我的代码:

android 启动器:

     private void signInSilently() 
            Log.d(TAG, "signInSilently()");

            mGoogleSignInClient.silentSignIn().addOnCompleteListener(this,
                    new OnCompleteListener<GoogleSignInAccount>() 
                        @Override
                        public void onComplete(@NonNull Task<GoogleSignInAccount> task) 
                            if (task.isSuccessful()) 
                                Log.d(TAG, "signInSilently(): success");
                                onConnected(task.getResult());
                             else 
                                Log.d(TAG, "signInSilently(): failure", task.getException());
                                onDisconnected();
                            
                        
                    );
        

    @Override
    public void showLeaderboards()
        runOnUiThread(new Runnable() 
            public void run() 
                onShowLeaderboardsRequested();
            
        );
    

    @Override
    public void showAchievements()
        runOnUiThread(new Runnable() 
            public void run() 
                onShowAchievementsRequested();
            
        );
    

清单:

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.harrybanda.blaster" >

    <uses-sdk android:minSdkVersion="14" android:targetSdkVersion="27" />

    <uses-permission android:name="android.permission.INTERNET"/>
    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />

    <meta-data android:name="com.google.android.gms.games.APP_ID"
        android:value="@string/app_id" />

    <meta-data android:name="com.google.android.gms.version"
        android:value="@integer/google_play_services_version"/>

    <application
        android:allowBackup="true"
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name"
        android:theme="@style/GdxTheme" >

        <activity
            android:name="com.google.android.gms.ads.AdActivity"
            android:configChanges="keyboard|keyboardHidden|orientation|screenLayout|uiMode|screenSize|smallestScreenSize"
            android:theme="@android:style/Theme.Translucent" />

        <activity
            android:name="com.harrybanda.blaster.AndroidLauncher"
            android:label="@string/app_name" 
            android:screenOrientation="portrait"
            android:configChanges="keyboard|keyboardHidden|orientation|screenSize">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />
                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>

</manifest>

在我的 build.gradle 中我添加了:

 compile "com.google.android.gms:play-services-games:11.8.0"
 compile "com.google.android.gms:play-services-auth:11.8.0"

Logcat:

01-07 09:56:30.011 618-618/? D/Blaster: onResume()
01-07 09:56:30.011 618-618/? D/Blaster: signInSilently()
01-07 09:56:30.512 618-618/? D/Blaster: signInSilently(): failure
                                            com.google.android.gms.common.api.b: 4: 
                                                at com.google.android.gms.common.internal.y.a(Unknown Source)
                                                at com.google.android.gms.common.internal.ae.a(Unknown Source)
                                                at com.google.android.gms.common.internal.af.a(Unknown Source)
                                                at com.google.android.gms.common.api.internal.BasePendingResult.c(Unknown Source)
                                                at com.google.android.gms.common.api.internal.BasePendingResult.a(Unknown Source)
                                                at com.google.android.gms.auth.api.signin.internal.g.a(Unknown Source)
                                                at com.google.android.gms.auth.api.signin.internal.r.onTransact(Unknown Source)
                                                at android.os.Binder.execTransact(Binder.java:451)
01-07 09:56:30.512 618-618/? D/Blaster: onDisconnected()

【问题讨论】:

当它失败时你打印一个异常。有什么例外? 请阅读minimal reproducible example 并相应地增强您的问题。就像添加异常堆栈跟踪一样。 我已经更新了这个问题,但有例外 【参考方案1】:

从 1st 看您的问题,您似乎将元数据保留在应用程序标记之外,但应该在 AndroidManifest.xml 文件中的应用程序标记内

像这样:

  <application
        android:allowBackup="true"
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name"
        android:theme="@style/GdxTheme" >

        <activity
            android:name="com.google.android.gms.ads.AdActivity"
            android:configChanges="keyboard|keyboardHidden|orientation|screenLayout|uiMode|screenSize|smallestScreenSize"
            android:theme="@android:style/Theme.Translucent" />

        <activity
            android:name="com.harrybanda.blaster.AndroidLauncher"
            android:label="@string/app_name" 
            android:screenOrientation="portrait"
            android:configChanges="keyboard|keyboardHidden|orientation|screenSize">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />
                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>

      <meta-data android:name="com.google.android.gms.games.APP_ID"
                 android:value="@string/app_id" />

      <meta-data android:name="com.google.android.gms.version"
                 android:value="@integer/google_play_services_version"/>
    </application>

StatusCode 4 (SIGN_IN_REQUIRED) 错误意味着客户端试图 连接到服务,但用户未登录。


这是我的AndroidLauncher 课程

public class AndroidLauncher extends AndroidApplication implements MyServices 

    private GoogleSignInClient mGoogleSignInClient;
    private LeaderboardsClient mLeaderboardsClient;
    private PlayersClient mPlayersClient;

    private static final String TAG=AndroidLauncher.class.getSimpleName();

    private static final int RC_SIGN_IN = 9001;
    private static final int RC_UNUSED = 5001;
    private static final int RC_LEADERBOARD_UI = 9004;

    private String greetingMsg="Welcome, ";
    private boolean greetingDisplayed;

   @Override
   protected void onCreate (Bundle savedInstanceState) 
      super.onCreate(savedInstanceState);

      greetingDisplayed=false;
      AndroidApplicationConfiguration config = new AndroidApplicationConfiguration();
      initialize(new GdxGame(this), config);

      mGoogleSignInClient = GoogleSignIn.getClient(this,
            new GoogleSignInOptions.Builder(GoogleSignInOptions.DEFAULT_GAMES_SIGN_IN).build());

   

   @Override
   public boolean isSignedIn() 
       return GoogleSignIn.getLastSignedInAccount(this) != null;
   

   private void signInSilently() 

      mGoogleSignInClient.silentSignIn().addOnCompleteListener(this,
            new OnCompleteListener<GoogleSignInAccount>() 
                @Override
                public void onComplete(@NonNull Task<GoogleSignInAccount> task) 
                    if (task.isSuccessful()) 
                        greetingMsg="Welcome back, ";
                        onConnected(task.getResult());
                     else 
                        onDisconnected();
                    
                
            );
    

    private void onConnected(GoogleSignInAccount googleSignInAccount) 

       mLeaderboardsClient = Games.getLeaderboardsClient(this, googleSignInAccount);
       mPlayersClient = Games.getPlayersClient(this, googleSignInAccount);

        mPlayersClient.getCurrentPlayer()
            .addOnCompleteListener(new OnCompleteListener<Player>() 
                @Override
                public void onComplete(@NonNull Task<Player> task) 
                    String displayName;
                    if (task.isSuccessful()) 
                        displayName = task.getResult().getDisplayName();
                     else 
                        Exception e = task.getException();
                        handleException(e, getString(R.string.players_exception));
                        displayName = "???";
                    

                    if(!greetingDisplayed)
                       welcomeMessage(displayName);
                
            );
    

    private void welcomeMessage(String name)

        Toast toast = Toast.makeText(this, greetingMsg + name, Toast.LENGTH_LONG);
        toast.setGravity(Gravity.TOP, 0, 0);
        View view = toast.getView();
        TextView text = (TextView) view.findViewById(android.R.id.message);
        toast.show();
        greetingDisplayed=true;
    

    @Override
    public void startSignInIntent() 
        startActivityForResult(mGoogleSignInClient.getSignInIntent(), RC_SIGN_IN);
    

    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent intent) 
        super.onActivityResult(requestCode, resultCode, intent);

        if (requestCode == RC_SIGN_IN) 
          Task<GoogleSignInAccount> task = GoogleSignIn.getSignedInAccountFromIntent(intent);

          try 
             GoogleSignInAccount account = task.getResult(ApiException.class);
             greetingMsg="Welcome, ";
             onConnected(account);
           catch (ApiException apiException) 
             String message = apiException.getMessage();
             if (message == null || message.isEmpty()) 
                message = getString(R.string.signin_other_error);
             

             onDisconnected();
           
        
    

    @Override
    protected void onResume() 
       super.onResume();
       signInSilently();
   

   private void signOut() 

      if (!isSignedIn()) 
          Log.w(TAG, "signOut() called, but was not signed in!");
          return;
      

      mGoogleSignInClient.signOut().addOnCompleteListener(this,
            new OnCompleteListener<Void>() 
                @Override
                public void onComplete(@NonNull Task<Void> task) 
                    boolean successful = task.isSuccessful();
                    Log.d(TAG, "signOut(): " + (successful ? "success" : "failed"));

                    onDisconnected();
                
            );
   

    private void onDisconnected() 

       mLeaderboardsClient = null;
       mPlayersClient = null;
    

    @Override
    public void submitScore(int score)
        if(isSignedIn())
         mLeaderboardsClient.submitScore(getString(R.string.leaderboard_id), score);
    

    @Override
    public void showLeaderBoard() 
       if(isSignedIn())
          mLeaderboardsClient.getLeaderboardIntent(getString(R.string.leaderboard_id))
            .addOnSuccessListener(new OnSuccessListener<Intent>() 
                @Override
                public void onSuccess(Intent intent) 
                    startActivityForResult(intent, RC_LEADERBOARD_UI);
                
            );
   

   private void handleException(Exception e, String details) 
       int status = 0;

      if (e instanceof ApiException) 
          ApiException apiException = (ApiException) e;
          status = apiException.getStatusCode();
      

      String message = getString(R.string.status_exception_error, details, status, e);

      new AlertDialog.Builder(this)
            .setMessage(message)
            .setNeutralButton(android.R.string.ok, null)
            .show();
       

还有MyServices接口

interface MyServices

    void startSignInIntent();
    boolean isSignedIn();
    void showLeaderBoard();
    void submitScore(int score);

用户安装应用后我第一次自己调用接口的startSignInIntent()

【讨论】:

我添加了完整的AndroidLauncher 类,其中包含用于平台特定接口的核心模块接口。确保您的 appId 和包正确,并且您已为您的游戏/应用启用 OAuth 2.0 客户端 ID。 你好,@Aryan。感谢您分享您的代码。最初的问题不是我的,但我遇到了同样的问题。我不明白,在这种情况下StatusCode 4 (SIGN_IN_REQUIRED) 有什么意义?我的意思是,它基本上是说“您无法登录,因为您没有登录”。 此外,通常的交互式登录也可以正常工作。只有silentSignIn() 会抛出异常。 silentSignIn() 仅在用户之前使用您之前设置和登录的范围登录时才给出 +ve 结果。 感谢您的帮助,您说得对,问题是我的密钥我从控制台中删除了项目并重新开始。【参考方案2】:

我想我明白了。 这是来自 Google Play 游戏服务official docs:

您可以调用silentSignIn() 来检索当前登录的 玩家的帐户,并尝试在不显示用户的情况下让玩家登录 界面,如果他们已成功登录到您的应用程序 不同的设备。

...

如果静默登录尝试失败,您可以选择发送登录意图以显示登录用户界面,如执行交互式登录中所述。

...

如果静默登录尝试失败,您可以调用 getException() 获取带有详细状态码的 ApiException。 CommonStatusCodes.SIGN_IN_REQUIRED 的状态码表示玩家需要采取明确的操作才能登录。在这种情况下,您的应用应启动交互式登录流程,如下一节所述。

正如@Aryan 所指出的,您会得到CommonStatusCodes.SIGN_IN_REQUIRED,这意味着用户未登录。在这种情况下,silentSignIn() 不成功是故意的。只有当用户已经在任何设备上登录时,它才会成功。

【讨论】:

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