Katalon Studio custom Keyword for filling out numbers via Android Virtual Keyboard

Keyboard.groovy

package nl.zarif
import static com.kms.katalon.core.testobject.ObjectRepository.findTestObject

import com.kms.katalon.core.annotation.Keyword
import com.kms.katalon.core.mobile.keyword.MobileBuiltInKeywords as Mobile
import com.kms.katalon.core.mobile.keyword.internal.MobileDriverFactory
import com.kms.katalon.core.model.FailureHandling
import com.kms.katalon.core.util.KeywordUtil

import io.appium.java_client.AppiumDriver as AppiumDriver
import io.appium.java_client.android.AndroidDriver as AndroidDriver
import io.appium.java_client.android.AndroidKeyCode as AndroidKeyCode

/**
 * Used to fill numbers via the Android virtual keyboard.
 * 
 * @author Murat Dönmez
 *
 */
class Keyboard {

	/** Offset for the int value of numbers. Number 1 equals: offset + 1 and so on */
	static int KEYCODE_NUMBER_OFFSET = AndroidKeyCode.KEYCODE_0
	
	/**
	 * Fills numbers ( one by one) via the Android virtual keyboard.
	 * 
	 * @param numberArray array of int's
	 * @return void
	 */
	@Keyword
	def static fill(int[] numberArray) {		

 		if (numberArray == null) {
			KeywordUtil.markFailed('input cannot be null')
		}

		AppiumDriver<?> driver = MobileDriverFactory.getDriver()
		println('Driver type: ' + driver.getClass().getCanonicalName())

		if (driver instanceof AndroidDriver) {

			AndroidDriver androidDriver = ((driver) as AndroidDriver)

			for (int oneNumber : numberArray) {
				androidDriver.pressKeyCode(oneNumber + KEYCODE_NUMBER_OFFSET)
			}

			androidDriver.pressKeyCode(AndroidKeyCode.ENTER)
			KeywordUtil.markPassed('Numbers filled out successfully: ' + numberArray)
		} else {
			String msg = 'Currently only AndroidDriver is supported'
			KeywordUtil.markFailed(msg)
		}
	}
}