network utils Class of an application

NetworkUtils.java

package com.karconnect.app.utils;

import android.content.Context;
import android.content.DialogInterface;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.support.v7.app.AlertDialog;

public class NetworkUtils {

	public static boolean isInternetAvailable(Context ctx) {
		ConnectivityManager cm = (ConnectivityManager) ctx
				.getSystemService(Context.CONNECTIVITY_SERVICE);
		NetworkInfo netInfo = cm.getActiveNetworkInfo();
		if (netInfo != null && netInfo.isConnectedOrConnecting()
				&& cm.getActiveNetworkInfo().isAvailable()
				&& cm.getActiveNetworkInfo().isConnected()) {
			return true;
		} else {
			return false;
		}
	}

	public static void showNetworkAlertDialog(Context mCtx) {
		AlertDialog.Builder builder = new AlertDialog.Builder(mCtx);
		builder.setCancelable(false);
		builder.setTitle("Connection");
		builder.setMessage("No internet available");
		builder.setPositiveButton("OK",
				new DialogInterface.OnClickListener() {

					@Override
					public void onClick(DialogInterface dialog, int which) {
						dialog.dismiss();
					}
				});
		builder.create().show();
	}
}