package com.smartapp.mobile.testcases;

import java.io.File;
import java.io.IOException;
import java.net.URL;

import org.apache.commons.io.FileUtils;
import org.openqa.selenium.OutputType;
import org.openqa.selenium.TakesScreenshot;
import org.openqa.selenium.WebElement;
import org.openqa.selenium.remote.DesiredCapabilities;
import org.openqa.selenium.support.ui.WebDriverWait;
import org.testng.ITestResult;
import org.testng.annotations.AfterMethod;
import org.testng.annotations.AfterTest;
import org.testng.annotations.BeforeTest;
import org.testng.annotations.Parameters;

import io.appium.java_client.AppiumDriver;
import io.appium.java_client.android.AndroidDriver;

/**
 * 
 * @author bmadhu
 *
 */
public class TestBase {
	
	protected static AppiumDriver<WebElement> driver=null;	
	protected WebDriverWait wait = null;
	DesiredCapabilities capabilities = null;
	
	@Parameters({"appiumDriverPort","deviceName", })		
	@BeforeTest(alwaysRun = true)
	public void driverSetUp(String driverUrl,String device) throws Exception {
		
	
			capabilities = new DesiredCapabilities();
	
			capabilities.setCapability("platformName","ANDROID" );				
			capabilities.setCapability("deviceName",device );				
			capabilities.setCapability("noReset", true);
			capabilities.setCapability("fullReset", false);	
			capabilities.setCapability("autoGrantPermissions", true);	
			capabilities.setCapability("clearSystemFiles", true);	
			capabilities.setCapability("autoAcceptAlerts", true);						
			capabilities.setCapability("autoWebviewTimeout", 30000);		   
			capabilities.setCapability("recreateChromeDriverSessions", true);
			capabilities.setCapability("recreateChromeDriverTimeout", 6000);				
			
			capabilities.setCapability("appPackage","com.XXXXX.iqmobile");
			capabilities.setCapability("appActivity", "com.XXXXXX.XXXXX.SplashActivity");  
			capabilities.setCapability("appWaitActivity", "com.XXXXX.XXXXX.IQMobile");
			driver = new AndroidDriver<WebElement>(new URL("http://localhost:"+driverUrl+"/wd/hub"), capabilities);
			//driver.manage().timeouts().implicitlyWait(40, TimeUnit.SECONDS);
	
	
	}

	@AfterMethod
	public void captureScreenShots(ITestResult result) throws Exception {
		if(ITestResult.FAILURE == result.getStatus() || ITestResult.SKIP == result.getStatus()){	
			
			String destDir = "";		
			try{
				if(ITestResult.FAILURE == result.getStatus()){
					
					File scrFile = ((TakesScreenshot)driver).getScreenshotAs(OutputType.FILE);
					String screenshotname = null;
					if(result.getParameters() != null && result.getParameters().length > 0){
						screenshotname = (String)result.getParameters()[0];
						
					}else{
						screenshotname = result.getMethod().getMethodName();
					}
					
					destDir = "screenshots/failed";
					System.out.println("Screenshot captured");
					
					new File(destDir).mkdirs();
					
					String destFile = screenshotname+ ".png";
					FileUtils.copyFile(scrFile, new File(destDir + "/" + destFile));
				
					 
				}
			}catch (IOException e) {
				e.printStackTrace();
				System.out.println("Exception while taking screenshot "+e.getMessage());
				
			}
		
		}
		driver.resetApp();		
		driver.getCapabilities();
		Thread.sleep(10000);	
		
	}

			
	@AfterTest
	public void tearDown() throws IOException, InterruptedException{

		driver.quit();
	}
	
	public static AppiumDriver<WebElement> getDriver(){
	
	    return driver;
	
	}

		
}

Test Scenarios:

Step1: I have to run this scenario paralley in 6 devices with 6 different users
Steps2: Login to application 
Step3: Choose any app zone central and Click on it
Step4: verify the App zone is loaded or not 
/**************************************************/
package com.smartapp.mobile.testcases;

import org.openqa.selenium.support.ui.ExpectedConditions;
import org.openqa.selenium.support.ui.WebDriverWait;
import org.testng.Assert;
import org.testng.annotations.BeforeClass;
import org.testng.annotations.Factory;
import org.testng.annotations.Test;

import com.smartapp.mobile.helpers.CoreServices;
import com.smartapp.mobile.helpers.DataProviderRepository;
import com.smartapp.mobile.pages.AppsIntilizationPage;
import com.smartapp.mobile.pages.BasePage;
import com.smartapp.mobile.pages.ZoneCentralPage;

public class VerifyZoneCentralLoading extends TestBase{

	
	CoreServices coreServices;	
	BasePage basePage;
	AppsIntilizationPage appsIntilizationPage;
	ZoneCentralPage zoneCentralPage;
	
	String usrName ="";
	String usrPwd ="";
	String zoneName ="";
	
	@Factory(dataProviderClass=DataProviderRepository.class,dataProvider="userLoginData")
    public VerifyZoneCentralLoading(String usrName,String usrPwd, String zoneName) {
        this.usrName = usrName;
        this.usrPwd = usrPwd;
        this.zoneName = zoneName;
    }
	@BeforeClass
	public void intiatePageObjects() throws Exception {
		
		driver = super.getDriver();			
		coreServices = new CoreServices(driver);
		basePage =new BasePage(driver);
		appsIntilizationPage =new AppsIntilizationPage(driver);
		zoneCentralPage = new ZoneCentralPage(driver);
		wait = new WebDriverWait(driver,90);	
		Thread.sleep(8000);	
		
		
	}
  @Test(description = "Zone central access with different user roles")
  public void zoneCentralLoadingPerformance() throws Exception {
	  System.out.println("TestData:"+usrName+"--"+usrPwd+"--"+zoneName);
	  boolean percentageflag = true;	  
	  coreServices.switchContext(driver, "WEBVIEW_com.inquesttechnologies.iqmobile");
	  try {
		wait.until(ExpectedConditions.visibilityOf(basePage.loginButton));	
	  }catch(Exception e1) {}
	  
	  basePage.userLogin(usrName, usrPwd);
	  Thread.sleep(7000);	
	  
	  try {
		  coreServices.tapOnWebElement(driver, basePage.loginButton);
		 		  
	  }catch(Exception e) {			 
	  }	 
	  Thread.sleep(7000);		  		 		
	  wait.until(ExpectedConditions.visibilityOfAllElements(zoneCentralPage.appsZoneList));
	  zoneCentralPage.selectAppZone(zoneName);
	  
	  coreServices.switchContext(driver, "NATIVE_APP");
	  Thread.sleep(5000);
	  try {
		  wait.until(ExpectedConditions.invisibilityOf(appsIntilizationPage.appsLoadIntialProgressBar));
	  }catch(Exception e) {}
	  
		while(percentageflag) {
			try {
				 appsIntilizationPage.appsLoadingPerentage.isDisplayed();			          
								
			}	
			catch(Exception e) {
				percentageflag = false;	
				try {
					Assert.assertTrue(appsIntilizationPage.appsLoadingAlertImg.isDisplayed());
					coreServices.tapOnWebElement(driver, appsIntilizationPage.zoneRetryYesButton);					
				}catch(Exception e1){}
					
												
					
			}
		}	
		Thread.sleep(5000);			
		Assert.assertTrue(zoneCentralPage.zoneCentralBackButton.isDisplayed(), "Zone central home screen is not displayed");
	
	
  }
  
}

/********************************/
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE suite SYSTEM "http://testng.org/testng-1.0.dtd">
<suite name="SmartApp-Mobile Automation Suite" verbose="2" thread-count="6" parallel="tests" data-provider-thread-count="10"> <!-- instances-->

  <test  name="Device1-Google Nexus6-7.0" >  
	<parameter name="appiumDriverPort" value="4723"/>
	<parameter name="deviceName" value="genymotion"/>	
	
	<classes >
				
	  	<class name="com.smartapp.mobile.testcases.VerifyZoneCentralLoading"/>        
    	    	 
	 </classes>
  </test>
   
  <test name="Device2-Google Nexus5-7.1">  	
	<parameter name="appiumDriverPort" value="4733"/>	
	<parameter name="deviceName" value="genymotion"/>	
			
	<classes>				
	  	<class name="com.smartapp.mobile.testcases.VerifyZoneCentralLoading"/>     	 
	 </classes>
  </test>   
  <test name="Device3-SamsungS7-7.1">  
   
	<parameter name="appiumDriverPort" value="4743"/>	
	<parameter name="deviceName" value="genymotion"/>		
	<classes>				
	  	<class name="com.smartapp.mobile.testcases.VerifyZoneCentralLoading"/>           
     	 
	 </classes>
  </test>  
  <test name="Device4">  
	<parameter name="appiumDriverPort" value="4753"/>	
	<parameter name="deviceName" value="genymotion"/>	
			
	<classes>				
	  	<class name="com.smartapp.mobile.testcases.ZoneCentralLoading"/>            
     	
	 </classes>
  </test>  
   <test name="Device5">  
  
	<parameter name="appiumDriverPort" value="4763"/>	
	<parameter name="deviceName" value="genymotion"/>	
			
	<classes>				
	  	<class name="com.smartapp.mobile.testcases.ZoneCentralLoading"/>            
     
	 </classes>
  </test>  

</suite>