GoogleApiHelper

package com.yalantis.foxrey.transporter.util;

import android.content.Context;
import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;

import com.google.android.gms.auth.api.Auth;
import com.google.android.gms.auth.api.signin.GoogleSignInOptions;
import com.google.android.gms.common.ConnectionResult;
import com.google.android.gms.common.Scopes;
import com.google.android.gms.common.api.GoogleApiClient;
import com.google.android.gms.common.api.Scope;
import com.yalantis.foxrey.transporter.R;

import timber.log.Timber;

/**
 * @author Penzykov Kyrylo (06.05.2016).
 */
public class GoogleApiHelper implements GoogleApiClient.ConnectionCallbacks, GoogleApiClient.OnConnectionFailedListener{
    private GoogleApiClient mGoogleApiClient;
    private Context mContext;

    public GoogleApiHelper(Context context) {
        mContext = context;
        buildGoogleApiClient();
        connect();
    }

    public GoogleApiClient getGoogleApiClient() {
        return this.mGoogleApiClient;
    }

    @Override
    public void onConnected(@Nullable Bundle bundle) {
        Timber.d("onConnected: googleApiClient.connected");
    }

    @Override
    public void onConnectionSuspended(int i) {
        Timber.d("onConnectionSuspended: googleApiClient.connect()");
        mGoogleApiClient.connect();
    }

    @Override
    public void onConnectionFailed(@NonNull ConnectionResult connectionResult) {

    }

    public void connect() {
        if (mGoogleApiClient != null) {
            mGoogleApiClient.connect();
        }
    }

    public boolean isConnected() {
        if (mGoogleApiClient != null) {
            return mGoogleApiClient.isConnected();
        } else {
            return false;
        }
    }

    public void disconnect() {
        if (mGoogleApiClient != null && mGoogleApiClient.isConnected()) {
            mGoogleApiClient.disconnect();
        }
    }

    private void buildGoogleApiClient() {
        GoogleSignInOptions gso = new GoogleSignInOptions.Builder(GoogleSignInOptions.DEFAULT_SIGN_IN)
                .requestScopes(new Scope(Scopes.PLUS_LOGIN))
                .requestScopes(new Scope(Scopes.PLUS_ME))
                .requestIdToken(mContext.getString(R.string.google_server_client_id))
                .requestServerAuthCode(mContext.getString(R.string.google_server_client_id))
                .requestEmail()
                .build();

        // Build a GoogleApiClient with access to the Google Sign-In API and the
        // options specified by gso.
        mGoogleApiClient = new GoogleApiClient.Builder(mContext)
                .addApi(Auth.GOOGLE_SIGN_IN_API, gso)
                .addConnectionCallbacks(this)
                .addOnConnectionFailedListener(this)
                .build();
    }
}