Totally reworking login and acess token management. Also adding a check for access token expire date.

MusicApp/MainActivity.cs

@@ -29,7 +29,6 @@ using MusicApp.Resources.Portable_Class;
 using MusicApp.Resources.values;
 using Newtonsoft.Json.Linq;
 using SQLite;
-using Square.OkHttp;
 using Square.Picasso;
 using System;
 using System.Collections.Generic;
@@ -40,10 +39,10 @@ using System.Threading.Tasks;
 using YoutubeExplode;
 using CursorLoader = Android.Support.V4.Content.CursorLoader;
 using Fragment = Android.Support.V4.App.Fragment;
-using ICallback = Square.OkHttp.ICallback;
 using Playlist = MusicApp.Resources.Portable_Class.Playlist;
 using Request = Square.OkHttp.Request;
 using SearchView = Android.Support.V7.Widget.SearchView;
+using Toolbar = Android.Support.V7.Widget.Toolbar;
 using TransportType = Android.Net.TransportType;
 
 namespace MusicApp
@@ -52,18 +51,15 @@ namespace MusicApp
     [IntentFilter(new[] {Intent.ActionSend }, Categories = new[] { Intent.CategoryDefault }, DataHost = "www.youtube.com", DataMimeType = "text/*")]
     [IntentFilter(new[] {Intent.ActionSend }, Categories = new[] { Intent.CategoryDefault }, DataHost = "m.youtube.com", DataMimeType = "text/plain")]
     [IntentFilter(new[] { Intent.ActionView }, Categories = new[] { Intent.CategoryDefault }, DataMimeTypes = new[] { "audio/*", "application/ogg", "application/x-ogg", "application/itunes" })]
-    public class MainActivity : AppCompatActivity, GoogleApiClient.IOnConnectionFailedListener, ICallback, IResultCallback, IMenuItemOnActionExpandListener, View.IOnFocusChangeListener, ISessionManagerListener
+    public class MainActivity : AppCompatActivity, GoogleApiClient.IOnConnectionFailedListener, IResultCallback, IMenuItemOnActionExpandListener, View.IOnFocusChangeListener, ISessionManagerListener
     {
         public static MainActivity instance;
         public new static int Theme = 1;
         public static int dialogTheme;
 
-        public Android.Support.V7.Widget.Toolbar ToolBar;
         public bool NoToolbarMenu = false;
         public IMenu menu;
         public SwipeRefreshLayout contentRefresh;
-        public bool usePager;
-        public bool HomeDetails = false;
         public bool Paused = false;
 
         public bool prepared = false;
@@ -75,9 +71,9 @@ namespace MusicApp
         private const string versionURI = "https://raw.githubusercontent.com/AnonymusRaccoon/MusicApp/master/MusicApp/Assets/Version.txt";
 
         public static GoogleSignInAccount account;
-        public GoogleApiClient googleClient;
-        private bool canAsk;
+        private Intent AskIntent;
         public bool waitingForYoutube;
+        private DateTime NextRefreshDate;
         private bool? PermissionGot;
         public bool ResumeKiller;
 
@@ -98,8 +94,7 @@ namespace MusicApp
 
             int statusHeight = Resources.GetDimensionPixelSize(Resources.GetIdentifier("status_bar_height", "dimen", "android"));
             FindViewById(Resource.Id.contentLayout).SetPadding(0, statusHeight, 0, 0);
-            ToolBar = (Android.Support.V7.Widget.Toolbar)FindViewById(Resource.Id.toolbar);
-            SetSupportActionBar(ToolBar);
+            SetSupportActionBar(FindViewById<Toolbar>(Resource.Id.toolbar));
             SupportActionBar.Title = "MusicApp";
             ((CoordinatorLayout.LayoutParams)FindViewById(Resource.Id.contentLayout).LayoutParameters).TopMargin = -Resources.GetDimensionPixelSize(Resources.GetIdentifier("status_bar_height", "dimen", "android"));
 
@@ -196,27 +191,27 @@ namespace MusicApp
         {
             waitingForYoutube = true;
 
+            if(account == null)
+                account = GoogleSignIn.GetLastSignedInAccount(this);
+
+
             if (account != null)
             {
                 CreateYoutube();
                 return;
             }
 
-            if(googleClient == null)
-            {
             GoogleSignInOptions gso = new GoogleSignInOptions.Builder(GoogleSignInOptions.DefaultSignIn)
                 .RequestIdToken(GetString(Resource.String.clientID))
                 .RequestServerAuthCode(GetString(Resource.String.clientID))
-                    .RequestEmail()
                 .RequestScopes(new Scope(YouTubeService.Scope.Youtube))
                 .Build();
 
-                googleClient = new GoogleApiClient.Builder(this)
+            GoogleApiClient googleClient = new GoogleApiClient.Builder(this)
                 .AddApi(Auth.GOOGLE_SIGN_IN_API, gso)
                 .Build();
 
             googleClient.Connect();
-            }
 
             if (!skipSilentLog)
             {
@@ -233,7 +228,7 @@ namespace MusicApp
                 }
                 else if (silentLog != null)
                 {
-                    this.canAsk = canAsk;
+                    AskIntent = Auth.GoogleSignInApi.GetSignInIntent(googleClient);
                     silentLog.SetResultCallback(this);
                 }
                 else if (canAsk)
@@ -241,10 +236,8 @@ namespace MusicApp
                     ResumeKiller = true;
                     StartActivityForResult(Auth.GoogleSignInApi.GetSignInIntent(googleClient), 1598);
                 }
-
-                return;
             }
-            if (canAsk)
+            else if (canAsk)
             {
                 ResumeKiller = true;
                 StartActivityForResult(Auth.GoogleSignInApi.GetSignInIntent(googleClient), 1598);
@@ -278,41 +271,73 @@ namespace MusicApp
                 RunOnUiThread(() => { Picasso.With(this).Load(account.PhotoUrl).Transform(new CircleTransformation()).Into(new AccountTarget()); });
                 CreateYoutube();
             }
-            else if(canAsk)
+            else if(AskIntent != null)
             {
                 ResumeKiller = true;
-                StartActivityForResult(Auth.GoogleSignInApi.GetSignInIntent(googleClient), 1598);
+                StartActivityForResult(AskIntent, 1598);
+                AskIntent = null;
             }
         }
 
-        void CreateYoutube()
+        public async void CreateYoutube()
         {
-            OkHttpClient client = new OkHttpClient();
-            RequestBody body = new FormEncodingBuilder()
-                .Add("grant_type", "authorization_code")
-                .Add("client_id", GetString(Resource.String.clientID))
-                .Add("client_secret", GetString(Resource.String.clientSecret))
-                .Add("redirect_uri", "")
-                .Add("code", account.ServerAuthCode)
-                .Add("id_token", account.IdToken)
-                .Build();
-            Request request = new Request.Builder()
-                .Url("https://www.googleapis.com/oauth2/v4/token")
-                .Post(body)
-                .Build();
-            client.NewCall(request).Enqueue(this);
+            ISharedPreferences prefManager = PreferenceManager.GetDefaultSharedPreferences(this);
+            string refreshToken = prefManager.GetString("refresh-token", null);
+            Console.WriteLine("&Current refresh token: " + refreshToken);
 
-            Console.WriteLine("&Requesting access token");
-        }
-        
-        public void OnResponse(Square.OkHttp.Response response)
+            //This method do not return refresh-token if the app has already been aprouved by google for this user, should force request
+            if (refreshToken == null)
             {
-            string jsonFile = response.Body().String();
-            Console.WriteLine(jsonFile);
-            if (jsonFile.Contains("error"))
+                Console.WriteLine("&Getting refresh-token and creating a youtube service");
+                Console.WriteLine("&Code = " + account.ServerAuthCode);
+
+                if(account.ServerAuthCode == null)
+                {
+                    Login(true);
                     return;
+                }
 
-            JToken json = JObject.Parse(jsonFile);
+                Dictionary<string, string> fields = new Dictionary<string, string>
+                {
+                    { "grant_type", "authorization_code" },
+                    { "client_id", GetString(Resource.String.clientID) },
+                    { "client_secret", GetString(Resource.String.clientSecret) },
+                    { "redirect_uri", "" },
+                    { "code", account.ServerAuthCode },
+                    { "id_token", account.IdToken },
+                };
+
+                var items = from kvp in fields
+                            select kvp.Key + "=" + kvp.Value;
+
+                string content = string.Join("&", items);
+
+                try
+                {
+                    HttpWebRequest request = (HttpWebRequest)WebRequest.Create("https://www.googleapis.com/oauth2/v4/token");
+                    request.Host = "www.googleapis.com";
+
+                    request.Method = "POST";
+                    request.ContentType = "application/x-www-form-urlencoded";
+                    request.ContentLength = content.Length;
+
+                    using (StreamWriter writer = new StreamWriter(request.GetRequestStream()))
+                    {
+                        writer.Write(content);
+                    }
+
+                    Console.WriteLine("&Content: " + content);
+
+                    HttpWebResponse resp = (HttpWebResponse)await request.GetResponseAsync();
+
+                    string response;
+                    using (StreamReader responseReader = new StreamReader(request.GetResponse().GetResponseStream()))
+                    {
+                        response = responseReader.ReadToEnd();
+                        Console.WriteLine("&" + response);
+                    }
+
+                    JToken json = JObject.Parse(response);
                     GoogleCredential credential = GoogleCredential.FromAccessToken((string)json.SelectToken("access_token"));
                     YoutubeEngine.youtubeService = new YouTubeService(new BaseClientService.Initializer()
                     {
@@ -320,7 +345,85 @@ namespace MusicApp
                         ApplicationName = "MusicApp"
                     });
 
-            Console.WriteLine("&Youtube created");
+                    refreshToken = (string)json.SelectToken("refresh_token");
+                    if(refreshToken != null)
+                    {
+                        ISharedPreferencesEditor editor = prefManager.Edit();
+                        editor.PutString("refresh-token", refreshToken);
+                        editor.Apply();
+                    }
+
+                    int expireIn = (int)json.SelectToken("expires_in");
+                    NextRefreshDate = DateTime.UtcNow.AddSeconds(expireIn - 30); //Should refresh a bit before the expiration of the acess token
+                }
+                catch (WebException ex)
+                {
+                    Console.WriteLine("&Refresh token get error: " + ex.Message);
+                    UnknowError(new Action(() => { CreateYoutube(); }));
+                }
+            }
+            else if(account != null)
+            {
+                Console.WriteLine("&Getting a new access-token and creating a youtube service");
+                Dictionary<string, string> fields = new Dictionary<string, string>
+                {
+                    { "refresh_token", refreshToken },
+                    { "client_id", GetString(Resource.String.clientID) },
+                    { "client_secret", GetString(Resource.String.clientSecret) },
+                    { "grant_type", "refresh_token" },
+                };
+
+                var items = from kvp in fields
+                            select kvp.Key + "=" + kvp.Value;
+
+                string content = string.Join("&", items);
+
+                try
+                {
+                    HttpWebRequest request = (HttpWebRequest)WebRequest.Create("https://www.googleapis.com/oauth2/v4/token");
+                    request.Host = "www.googleapis.com";
+
+                    request.Method = "POST";
+                    request.ContentType = "application/x-www-form-urlencoded";
+                    request.ContentLength = content.Length;
+
+                    using (StreamWriter writer = new StreamWriter(request.GetRequestStream()))
+                    {
+                        writer.Write(content);
+                    }
+
+                    Console.WriteLine("&Content: " + content);
+
+                    HttpWebResponse resp = (HttpWebResponse)await request.GetResponseAsync();
+
+                    string response;
+                    using (StreamReader responseReader = new StreamReader(request.GetResponse().GetResponseStream()))
+                    {
+                        response = responseReader.ReadToEnd();
+                        Console.WriteLine("&" + response);
+                    }
+
+                    JToken json = JObject.Parse(response);
+                    GoogleCredential credential = GoogleCredential.FromAccessToken((string)json.SelectToken("access_token"));
+                    YoutubeEngine.youtubeService = new YouTubeService(new BaseClientService.Initializer()
+                    {
+                        HttpClientInitializer = credential,
+                        ApplicationName = "MusicApp"
+                    });
+
+                    int expireIn = (int)json.SelectToken("expires_in");
+                    NextRefreshDate = DateTime.UtcNow.AddSeconds(expireIn - 30); //Should refresh a bit before the expiration of the acess token
+                }
+                catch (WebException ex)
+                {
+                    Console.WriteLine("&New access token get error: " + ex.Message);
+                    UnknowError(new Action(() => { CreateYoutube(); }));
+                }
+            }
+            else
+            {
+                Login(true);
+            }
         }
 
         public void OnFailure(Request request, Java.IO.IOException iOException)
@@ -350,6 +453,11 @@ namespace MusicApp
                     await Task.Delay(10);
                 }
             }
+            else if(NextRefreshDate <= DateTime.UtcNow) //Acess token has expired
+            {
+                waitingForYoutube = true;
+                CreateYoutube();
+            }
             waitingForYoutube = false;
             return true;
         }
@@ -816,9 +924,12 @@ namespace MusicApp
             snackBar.Show();
         }
 
-        public void Unknow()
+        public void UnknowError(Action action = null)
         {
             Snackbar snackBar = Snackbar.Make(FindViewById(Resource.Id.snackBar), Resource.String.unknow, Snackbar.LengthIndefinite);
+            if (action != null)
+                snackBar.SetAction("Try Again", (sender) => { action.Invoke();  snackBar.Dismiss(); });
+            else
                 snackBar.SetAction("Dismiss", (sender) => { snackBar.Dismiss(); });
             snackBar.View.FindViewById<TextView>(Resource.Id.snackbar_text).SetTextColor(Color.White);
             snackBar.Show();

MusicApp/MusicApp.csproj

@@ -94,20 +94,20 @@
     <Reference Include="ExoPlayer.UI, Version=2.8.8.0, Culture=neutral, processorArchitecture=MSIL">
       <HintPath>..\packages\Xam.Plugins.Android.ExoPlayer.UI.2.8.8\lib\monoandroid81\ExoPlayer.UI.dll</HintPath>
     </Reference>
-    <Reference Include="Google.Apis, Version=1.37.0.0, Culture=neutral, PublicKeyToken=4b01fa6e34db77ab, processorArchitecture=MSIL">
-      <HintPath>..\packages\Google.Apis.1.37.0\lib\netstandard2.0\Google.Apis.dll</HintPath>
+    <Reference Include="Google.Apis, Version=1.38.0.0, Culture=neutral, PublicKeyToken=4b01fa6e34db77ab, processorArchitecture=MSIL">
+      <HintPath>..\packages\Google.Apis.1.38.0\lib\netstandard2.0\Google.Apis.dll</HintPath>
     </Reference>
-    <Reference Include="Google.Apis.Auth, Version=1.37.0.0, Culture=neutral, PublicKeyToken=4b01fa6e34db77ab, processorArchitecture=MSIL">
-      <HintPath>..\packages\Google.Apis.Auth.1.37.0\lib\netstandard2.0\Google.Apis.Auth.dll</HintPath>
+    <Reference Include="Google.Apis.Auth, Version=1.38.0.0, Culture=neutral, PublicKeyToken=4b01fa6e34db77ab, processorArchitecture=MSIL">
+      <HintPath>..\packages\Google.Apis.Auth.1.38.0\lib\netstandard2.0\Google.Apis.Auth.dll</HintPath>
     </Reference>
-    <Reference Include="Google.Apis.Auth.PlatformServices, Version=1.37.0.0, Culture=neutral, PublicKeyToken=4b01fa6e34db77ab, processorArchitecture=MSIL">
-      <HintPath>..\packages\Google.Apis.Auth.1.37.0\lib\netstandard2.0\Google.Apis.Auth.PlatformServices.dll</HintPath>
+    <Reference Include="Google.Apis.Auth.PlatformServices, Version=1.38.0.0, Culture=neutral, PublicKeyToken=4b01fa6e34db77ab, processorArchitecture=MSIL">
+      <HintPath>..\packages\Google.Apis.Auth.1.38.0\lib\netstandard2.0\Google.Apis.Auth.PlatformServices.dll</HintPath>
     </Reference>
-    <Reference Include="Google.Apis.Core, Version=1.37.0.0, Culture=neutral, PublicKeyToken=4b01fa6e34db77ab, processorArchitecture=MSIL">
-      <HintPath>..\packages\Google.Apis.Core.1.37.0\lib\netstandard2.0\Google.Apis.Core.dll</HintPath>
+    <Reference Include="Google.Apis.Core, Version=1.38.0.0, Culture=neutral, PublicKeyToken=4b01fa6e34db77ab, processorArchitecture=MSIL">
+      <HintPath>..\packages\Google.Apis.Core.1.38.0\lib\netstandard2.0\Google.Apis.Core.dll</HintPath>
     </Reference>
-    <Reference Include="Google.Apis.YouTube.v3, Version=1.37.0.1469, Culture=neutral, PublicKeyToken=4b01fa6e34db77ab, processorArchitecture=MSIL">
-      <HintPath>..\packages\Google.Apis.YouTube.v3.1.37.0.1469\lib\netstandard2.0\Google.Apis.YouTube.v3.dll</HintPath>
+    <Reference Include="Google.Apis.YouTube.v3, Version=1.38.0.1488, Culture=neutral, PublicKeyToken=4b01fa6e34db77ab, processorArchitecture=MSIL">
+      <HintPath>..\packages\Google.Apis.YouTube.v3.1.38.0.1488\lib\netstandard2.0\Google.Apis.YouTube.v3.dll</HintPath>
     </Reference>
     <Reference Include="Java.Interop" />
     <Reference Include="Microsoft.CSharp" />

MusicApp/Resources/Portable Class/AccountPreference.cs

@@ -13,6 +13,7 @@ using MusicApp;
 using MusicApp.Resources.Portable_Class;
 using Square.Picasso;
 using System;
+using System.Threading.Tasks;
 
 public class AccountPreference : Preference, IResultCallback
 {
@@ -60,6 +61,27 @@ public class AccountPreference : Preference, IResultCallback
         }
     }
 
+    private async void LogIn()
+    {
+        GoogleSignInOptions gso = new GoogleSignInOptions.Builder(GoogleSignInOptions.DefaultSignIn)
+            .RequestIdToken(Preferences.instance.GetString(Resource.String.clientID))
+            .RequestServerAuthCode(Preferences.instance.GetString(Resource.String.clientID))
+            .RequestEmail()
+            .RequestScopes(new Scope(YouTubeService.Scope.Youtube))
+            .Build();
+
+        GoogleApiClient googleClient = new GoogleApiClient.Builder(Preferences.instance)
+            .AddApi(Auth.GOOGLE_SIGN_IN_API, gso)
+            .Build();
+
+        googleClient.Connect();
+
+        while (!googleClient.IsConnected)
+            await Task.Delay(10);
+
+        Preferences.instance.StartActivityForResult(Auth.GoogleSignInApi.GetSignInIntent(googleClient), 5981);
+    }
+
     public void OnSignedIn()
     {
         Button log = (Button)view.FindViewById(Resource.Id.logButton);
@@ -70,6 +92,37 @@ public class AccountPreference : Preference, IResultCallback
         log.Click -= logIn;
     }
 
+
+    private async void LogOut()
+    {
+        MainActivity.account = null;
+        YoutubeEngine.youtubeService = null;
+
+        GoogleSignInOptions gso = new GoogleSignInOptions.Builder(GoogleSignInOptions.DefaultSignIn)
+                .RequestIdToken(Preferences.instance.GetString(Resource.String.clientID))
+                .RequestServerAuthCode(Preferences.instance.GetString(Resource.String.clientID))
+                .RequestEmail()
+                .RequestScopes(new Scope(YouTubeService.Scope.Youtube))
+                .Build();
+
+        GoogleApiClient googleClient = new GoogleApiClient.Builder(Preferences.instance)
+                .AddApi(Auth.GOOGLE_SIGN_IN_API, gso)
+                .Build();
+
+        googleClient.Connect();
+
+        while (!googleClient.IsConnected)
+            await Task.Delay(10);
+
+        Auth.GoogleSignInApi.RevokeAccess(googleClient).SetResultCallback(this);
+
+        ISharedPreferences prefManager = PreferenceManager.GetDefaultSharedPreferences(Preferences.instance);
+        ISharedPreferencesEditor editor = prefManager.Edit();
+        editor.Remove("refresh-token");
+        editor.Apply();
+    }
+
+    //Log out result
     public void OnResult(Java.Lang.Object result)
     {
         Button log = (Button)view.FindViewById(Resource.Id.logButton);
@@ -84,32 +137,4 @@ public class AccountPreference : Preference, IResultCallback
         log.Click -= logOut;
         MainActivity.instance.InvalidateOptionsMenu();
     }
-
-    void LogIn()
-    {
-        if (MainActivity.instance.googleClient == null)
-        {
-            GoogleSignInOptions gso = new GoogleSignInOptions.Builder(GoogleSignInOptions.DefaultSignIn)
-                    .RequestIdToken(Preferences.instance.GetString(Resource.String.clientID))
-                    .RequestServerAuthCode(Preferences.instance.GetString(Resource.String.clientID))
-                    .RequestEmail()
-                    .RequestScopes(new Scope(YouTubeService.Scope.Youtube))
-                    .Build();
-
-            MainActivity.instance.googleClient = new GoogleApiClient.Builder(Preferences.instance)
-                    .AddApi(Auth.GOOGLE_SIGN_IN_API, gso)
-                    .Build();
-
-            MainActivity.instance.googleClient.Connect();
-        }
-
-        Preferences.instance.StartActivityForResult(Auth.GoogleSignInApi.GetSignInIntent(MainActivity.instance.googleClient), 5981);
-    }
-
-    void LogOut()
-    {
-        MainActivity.account = null;
-        YoutubeEngine.youtubeService = null;
-        Auth.GoogleSignInApi.SignOut(MainActivity.instance.googleClient).SetResultCallback(this);
-    }
 }

MusicApp/Resources/Portable Class/Downloader.cs

@@ -196,7 +196,7 @@ namespace MusicApp.Resources.Portable_Class
             }
             catch
             {
-                MainActivity.instance.Unknow();
+                MainActivity.instance.UnknowError();
                 Cancel();
             }
         }

MusicApp/Resources/Portable Class/PlaylistTracks.cs

@@ -20,6 +20,7 @@ using static Android.Provider.MediaStore.Audio;
 using CursorLoader = Android.Support.V4.Content.CursorLoader;
 using PopupMenu = Android.Support.V7.Widget.PopupMenu;
 using RecyclerView = Android.Support.V7.Widget.RecyclerView;
+using Toolbar = Android.Support.V7.Widget.Toolbar;
 
 namespace MusicApp.Resources.Portable_Class
 {
@@ -835,7 +836,7 @@ namespace MusicApp.Resources.Portable_Class
             if (instance == null)
                 return;
 
-            if (System.Math.Abs(verticalOffset) <= appBarLayout.TotalScrollRange - MainActivity.instance.ToolBar.Height)
+            if (System.Math.Abs(verticalOffset) <= appBarLayout.TotalScrollRange - MainActivity.instance.FindViewById<Toolbar>(Resource.Id.toolbar).Height)
             {
                 Activity.FindViewById<RelativeLayout>(Resource.Id.playlistHeader).Visibility = ViewStates.Visible;
                 MainActivity.instance.SupportActionBar.SetDisplayShowTitleEnabled(false);

MusicApp/Resources/Portable Class/Preferences.cs

@@ -106,6 +106,7 @@ namespace MusicApp.Resources.Portable_Class
                 {
                     MainActivity.account = result.SignInAccount;
                     PreferencesFragment.instance?.SignedIn();
+                    MainActivity.instance.CreateYoutube();
                 }
                 else
                 {

MusicApp/Resources/Portable Class/YoutubeEngine.cs

@@ -976,7 +976,7 @@ namespace MusicApp.Resources.Portable_Class
                 if (ex is System.Net.Http.HttpRequestException)
                     MainActivity.instance.Timout();
                 else
-                    MainActivity.instance.Unknow();
+                    MainActivity.instance.UnknowError();
 
                 return;
             }

MusicApp/app.config

@@ -16,11 +16,11 @@
       </dependentAssembly>
       <dependentAssembly>
         <assemblyIdentity name="Google.Apis.Core" publicKeyToken="4b01fa6e34db77ab" culture="neutral" />
-        <bindingRedirect oldVersion="0.0.0.0-1.36.1.0" newVersion="1.36.1.0" />
+        <bindingRedirect oldVersion="0.0.0.0-1.38.0.0" newVersion="1.38.0.0" />
       </dependentAssembly>
       <dependentAssembly>
         <assemblyIdentity name="Google.Apis" publicKeyToken="4b01fa6e34db77ab" culture="neutral" />
-        <bindingRedirect oldVersion="0.0.0.0-1.36.1.0" newVersion="1.36.1.0" />
+        <bindingRedirect oldVersion="0.0.0.0-1.38.0.0" newVersion="1.38.0.0" />
       </dependentAssembly>
       <dependentAssembly>
         <assemblyIdentity name="PInvoke.BCrypt" publicKeyToken="9e300f9f87f04a7a" culture="neutral" />

MusicApp/packages.config

@@ -1,10 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="AngleSharp" version="0.9.11" targetFramework="monoandroid90" />
-  <package id="Google.Apis" version="1.37.0" targetFramework="monoandroid90" />
-  <package id="Google.Apis.Auth" version="1.37.0" targetFramework="monoandroid90" />
-  <package id="Google.Apis.Core" version="1.37.0" targetFramework="monoandroid90" />
-  <package id="Google.Apis.YouTube.v3" version="1.37.0.1469" targetFramework="monoandroid90" />
+  <package id="Google.Apis" version="1.38.0" targetFramework="monoandroid90" />
+  <package id="Google.Apis.Auth" version="1.38.0" targetFramework="monoandroid90" />
+  <package id="Google.Apis.Core" version="1.38.0" targetFramework="monoandroid90" />
+  <package id="Google.Apis.YouTube.v3" version="1.38.0.1488" targetFramework="monoandroid90" />
   <package id="Karamunting.Android.AnderWeb.DiscreteSeekBar" version="1.0.1.1" targetFramework="monoandroid81" />
   <package id="Microsoft.CSharp" version="4.5.0" targetFramework="monoandroid81" />
   <package id="Microsoft.NETCore.Platforms" version="2.2.0" targetFramework="monoandroid81" />