question

Here is the code that im using

package playfabcheck.brightmoon.com.playfabtest;

import android.net.Uri;
import android.os.AsyncTask;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;
import android.widget.Toast;

import com.google.android.gms.appindexing.Action;
import com.google.android.gms.appindexing.AppIndex;
import com.google.android.gms.appindexing.Thing;
import com.google.android.gms.common.api.GoogleApiClient;
import com.playfab.PlayFabClientAPI;
import com.playfab.PlayFabClientModels.*;
import com.playfab.PlayFabErrors;
import com.playfab.PlayFabSettings;
import java.util.List;
import java.util.Map;
import java.util.concurrent.FutureTask;

public class MainActivity extends AppCompatActivity {
                

    /**     * ATTENTION: This was auto-generated to implement the App Indexing API.     * See https://g.co/AppIndexing/AndroidStudio for more information.     */   // private GoogleApiClient client;@Overrideprotected void onCreate(Bundle savedInstanceState) {
                
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);


        PlayFabSettings.TitleId = "2FB";

         login();
        //LoginPlayfab();}


    public void login() {
                
        LoginWithCustomIDRequest request = new LoginWithCustomIDRequest();
        request.CustomId = "asd";
        request.CreateAccount = true;

        //   var request = new LoginWithCustomIDRequest { CustomId = "GettingStartedGuide", CreateAccount = true};        //  PlayFabClientAPI.LoginWithCustomID(request, OnLoginSuccess, OnLoginFailure);        // There are several approaches on getting unique android device id.        // https://stackoverflow.com/questions/2785485/is-there-a-unique-android-device-id        //request.AndroidDeviceId = "qwerty";PlayFabErrors.PlayFabResult<LoginResult> response = PlayFabClientAPI.LoginWithCustomID(request);
        if (response.Error != null) {
                
            Toast.makeText(this, "error ", Toast.LENGTH_LONG).show();

            Log.d("Foo PlayFab App", CompileErrorsFromResult(response.Error));
            //return false;} else {
                

            Toast.makeText(this, "Success ", Toast.LENGTH_LONG).show();

        }
        // return true;}

    private String CompileErrorsFromResult(PlayFabErrors.PlayFabError error) {
                
        if (error == null)
            return null;

        String errorMessage = "";
        if (error.errorMessage != null)
            errorMessage += error.errorMessage;
        if (error.errorDetails != null)
            for (Map.Entry<String, List<String>> pair : error.errorDetails.entrySet())
                for (String msg : pair.getValue())
                    errorMessage += "\n" + pair.getKey() + ": " + msg;
        Toast.makeText(this, errorMessage, Toast.LENGTH_LONG).show();

        return errorMessage;
    }

    
    public void LoginPlayfab() {
                
        LoginWithCustomIDRequest request = new LoginWithCustomIDRequest();
        request.CustomId = "ahmadabad";
        request.CreateAccount = true;

        FutureTask<PlayFabErrors.PlayFabResult<LoginResult>> loginTask = PlayFabClientAPI.LoginWithCustomIDAsync(request);
        loginTask.run();


        while (_running) {
                
            if (loginTask.isDone()) { // You would probably want a more sophisticated way of tracking pending async API calls in a real gameOnLoginComplete(loginTask);
            }

            // Presumably this would be your main game loop, doing other thingstry {
                
                Thread.sleep(1);
            } catch (Exception e) {
                
                System.out.println("Critical error in the example main loop: " + e);
            }
        }

    }

    private static boolean _running = true;

    private static void OnLoginComplete(FutureTask<PlayFabErrors.PlayFabResult<LoginResult>> loginTask) {
                
        PlayFabErrors.PlayFabResult<LoginResult> result = null;
        try {
                
            result = loginTask.get(); // Wait for the result from the async call} catch (Exception e) {
                
            System.out.println("Exception in PlayFab api call: " + e); // Did you assign your PlayFabSettings.TitleId correctly?}

        if (result != null && result.Result != null) {
                
            System.out.println("Congratulations, you made your first successful API call!");
        } else if (result != null && result.Error != null) {
                
            System.out.println("Something went wrong with your first API call.");
            System.out.println("Here's some debug information:");
            System.out.println(CompileErrorsFromResult(result));
        }

        _running = false; // Because this is just an example, successful login triggers the end of the program}

    // This is a utility function we haven't put into the core SDK yet.  Feel free to use it.private static <RT> String CompileErrorsFromResult(PlayFabErrors.PlayFabResult<RT> result) {
                
        if (result == null || result.Error == null)
            return null;

        String errorMessage = "";
        if (result.Error.errorMessage != null)
            errorMessage += result.Error.errorMessage;
        if (result.Error.errorDetails != null)
            for (Map.Entry<String, List<String>> pair : result.Error.errorDetails.entrySet())
                for (String msg : pair.getValue())
                    errorMessage += "\n" + pair.getKey() + ": " + msg;
        return errorMessage;
    }







}