Text is not being recorded by the Appium inspector in IOS?

Text is not being recorded by the appium inspector in IOS using the XPath locator. Following is the code generated by the appium inspector. Button is clicked but text is not send to the textfield.

import io.appium.java_client.AppiumDriver;
import org.openqa.selenium.remote.DesiredCapabilities;
import java.net.URL;

public class {scriptName} {
public static void main(String[] args) {
DesiredCapabilities capabilities = new DesiredCapabilities();
capabilities.setCapability(“appium-version”, “1.0”);
capabilities.setCapability(“platformName”, “iOS”);
capabilities.setCapability(“platformVersion”, “7.1”);
capabilities.setCapability(“deviceName”, “iPhone 5”);
capabilities.setCapability(“app”, “/Users/rafyulislam/Desktop/TestApp/TestApp.app”);
wd = new AppiumDriver(new URL(“http://127.0.0.1:4723/wd/hub”), capabilities);
wd.manage().timeouts().implicitlyWait(60, TimeUnit.SECONDS);
wd.findElement(By.xpath("//UIAApplication[1]/UIAWindow[1]/UIATextField[1]/UIATextField[1]")).sendKeys(“1”);
wd.findElement(By.xpath("//UIAApplication[1]/UIAWindow[1]/UIATextField[2]/UIATextField[1]")).sendKeys(“3”);
wd.findElement(By.name(“ComputeSumButton”)).click();
wd.close();
}
}