Automated App Testing Using Appium With TestNG [Tutorial]

Helper Classes.java

package com.lambdatest.appium.sample.utils;
 
import static io.appium.java_client.touch.WaitOptions.waitOptions;
import static io.appium.java_client.touch.offset.PointOption.point;
import static java.time.Duration.ofMillis;
 
import io.appium.java_client.AppiumDriver;
import io.appium.java_client.MobileElement;
import io.appium.java_client.TouchAction;
import io.appium.java_client.touch.offset.PointOption;
import org.openqa.selenium.Dimension;
 
// 1.
@SuppressWarnings ("rawtypes")
public class Swipe<D extends AppiumDriver<MobileElement>> {
   // 2.
   private final D driver;
 
   public Swipe (final D driver) {
       this.driver = driver;
   }
 
   // 3.
   public void down () {
       final Dimension screenDimension = this.driver.manage ()
           .window ()
           .getSize ();
       final PointOption startPoint = point (screenDimension.getWidth () / 2, 10);
       final PointOption endPoint = point (screenDimension.getWidth () / 2, screenDimension.getHeight () / 2);
       perform (startPoint, endPoint);
   }
 
   // 4.
   public void up () {
       final Dimension screenDimension = this.driver.manage ()
           .window ()
           .getSize ();
       final PointOption startPoint = point (screenDimension.getWidth () / 2, screenDimension.getHeight () - 10);
       final PointOption endPoint = point (screenDimension.getWidth () / 2, 10);
       perform (startPoint, endPoint);
   }
 
   // 5.
   private void perform (final PointOption startPoint, final PointOption endPoint) {
       final TouchAction action = new TouchAction (this.driver);
       action.press (startPoint)
           .waitAction (waitOptions (ofMillis (200)))
           .moveTo (endPoint)
           .release ()
           .perform ();
   }
}