BrowserStackAndroid.java

import java.net.URL;
import java.util.List;
import java.net.MalformedURLException;

import io.appium.java_client.MobileBy;
import io.appium.java_client.android.AndroidDriver;
import io.appium.java_client.android.AndroidElement;

import org.openqa.selenium.support.ui.ExpectedConditions;
import org.openqa.selenium.support.ui.WebDriverWait;
import org.openqa.selenium.remote.DesiredCapabilities;

public class BrowserStackAndroid {

    public static String accessKey = "BROWSERSTACK_USERNAME";
    public static String userName = "BROWSERSTACK_ACCESS_KEY";

    public static void main(String args[]) throws MalformedURLException, InterruptedException {
        DesiredCapabilities capabilities = new DesiredCapabilities();

        capabilities.setCapability("device", "Samsung Galaxy S7");
        capabilities.setCapability("app", "bs://<hashed app-id>");

        AndroidDriver<AndroidElement> driver = new AndroidDriver<AndroidElement>(new URL("https://"+userName+":"+accessKey+"@hub.browserstack.com/wd/hub"), capabilities);

        AndroidElement searchElement = (AndroidElement) new WebDriverWait(driver, 30).until(
            ExpectedConditions.elementToBeClickable(MobileBy.AccessibilityId("Search Wikipedia")));
        searchElement.click();
        AndroidElement insertTextElement = (AndroidElement) new WebDriverWait(driver, 30).until(
            ExpectedConditions.elementToBeClickable(MobileBy.id("org.wikipedia.alpha:id/search_src_text")));
        insertTextElement.sendKeys("BrowserStack");
        Thread.sleep(5000);

        List<AndroidElement> allProductsName = driver.findElementsByClassName("android.widget.TextView");
        assert(allProductsName.size() > 0);

        driver.quit();
    }
}