NetworkUtil.java

package in.mvpstarter.sample.util;

import android.content.Context;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;

import com.jakewharton.retrofit2.adapter.rxjava2.HttpException;


public class NetworkUtil {

    /**
     * Returns true if the Throwable is an instance of RetrofitError with an
     * http status code equals to the given one.
     */
    public static boolean isHttpStatusCode(Throwable throwable, int statusCode) {
        return throwable instanceof HttpException
                && ((HttpException) throwable).code() == statusCode;
    }

    public static boolean isNetworkConnected(Context context) {
        ConnectivityManager cm =
                (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
        NetworkInfo activeNetwork = cm.getActiveNetworkInfo();
        return activeNetwork != null && activeNetwork.isConnectedOrConnecting();
    }

}