AppConstants.java

package com.innovus.doomi;

/**
 * Created by Jorge Viveros on 11/11/2014.
 */

import android.accounts.Account;
import android.accounts.AccountManager;
import android.app.Activity;
import android.app.Dialog;
import android.content.Context;
import android.support.annotation.Nullable;

import com.appspot.domi_app.domi.Domi;
import com.google.android.gms.auth.GoogleAuthUtil;
import com.google.android.gms.common.GooglePlayServicesUtil;
import com.google.api.client.extensions.android.http.AndroidHttp;
import com.google.api.client.extensions.android.json.AndroidJsonFactory;
import com.google.api.client.googleapis.extensions.android.gms.auth.GoogleAccountCredential;
import com.google.api.client.http.HttpTransport;
import com.google.api.client.json.JsonFactory;

/**
 * Application constants.
 */
public class AppConstants {
    /**
     * Your WEB CLIENT ID from the API Access screen of the Developer Console for your project. This
     * is NOT the Android client id from that screen.
     *
     * @see <a href="https://developers.google.com/console">https://developers.google.com/console</a>
     */
    public static final String WEB_CLIENT_ID = "204916157214-1hho3fgafmt30l9kt7rljls1qttbeb3n.apps.googleusercontent.com";

    public static final String AUDIENCE = "server:client_id:" + WEB_CLIENT_ID;

    public static final JsonFactory JSON_FACTORY = new AndroidJsonFactory();

    public static final HttpTransport HTTP_TRANSPORT = AndroidHttp.newCompatibleTransport();

    public static Domi getApiServiceHandle(@Nullable GoogleAccountCredential credential) {
        // Use a builder to help formulate the API request.
        Domi.Builder helloWorld = new Domi.Builder(AppConstants.HTTP_TRANSPORT,
                AppConstants.JSON_FACTORY,credential);
        return helloWorld.build();
    }

    //Agrega un metodo para contar el numero de cuentas de google
    public static int countGoogleAccounts(Context context) {
        AccountManager am = AccountManager.get(context);
        Account[] accounts = am.getAccountsByType(GoogleAuthUtil.GOOGLE_ACCOUNT_TYPE);
        if (accounts == null || accounts.length < 1) {
            return 0;
        } else {
            return accounts.length;
        }
    }
    public static boolean checkGooglePlayServicesAvailable(Activity activity) {
        final int connectionStatusCode = GooglePlayServicesUtil.isGooglePlayServicesAvailable(activity);
        if (GooglePlayServicesUtil.isUserRecoverableError(connectionStatusCode)) {
            // GooglePlayServicesUtil.showErrorDialogFragment(connectionStatusCode, activity);
            showGooglePlayServicesAvailabilityErrorDialog(activity, connectionStatusCode);
            return false;
        }
        return true;
    }
    public static void showGooglePlayServicesAvailabilityErrorDialog(final Activity activity,
                                                                     final int connectionStatusCode) {
        final int REQUEST_GOOGLE_PLAY_SERVICES = 0;
        activity.runOnUiThread(new Runnable() {
            @Override
            public void run() {
                Dialog dialog = GooglePlayServicesUtil.getErrorDialog(
                        connectionStatusCode, activity, REQUEST_GOOGLE_PLAY_SERVICES);
                dialog.show();
            }
        });
    }

}