Error in Remote Webdriver desired Capabilities

Hello All, Below is my script to launch my app. I’m getting Error in the line where im mentioning RemoteWebdriver.
import org.openqa.selenium.By;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.WebElement;
import org.openqa.selenium.remote.DesiredCapabilities;
import org.openqa.selenium.remote.RemoteWebDriver;
import org.testng.annotations.AfterClass;
import org.testng.annotations.BeforeClass;
import org.testng.annotations.Test;


public class Allcouplesignup {

WebDriver driver;

public void Launch() {

DesiredCapabilities capabilities = new DesiredCapabilities();
// Set version name

capabilities.setCapability(“version”, “4.3”);
// set platform name
capabilities.setCapability(“PlatformName”, “Andriod”);
// set devicename
capabilities.setCapability(“deviceName”, “motorola”);
// set app package name

capabilities.setCapability(“appPackage”, “com.hl.allcouple”);
// set Launcher Activity
driver = new WebDriver (new URL(“’:4723/wd/hub”),capabilities);
//Error is “The Consturctor URL is undefined,Cannot intantiate the Webdriver”
// Please Guide me Show less

AppiumDriver driver; driver = new AndroidDriver(new URL(...), capabilities);

Thnx … resolved the issue