App使用H5编写，默认方式找不到元素。启动后获取所有上下文，找到webivew_xxxx的，然后进行切换。

源码：

1 package MyAppium; 2  3 import io.appium.java_client.android.AndroidDriver; 4 import org.openqa.selenium.By; 5 import org.openqa.selenium.WebElement; 6 import org.openqa.selenium.remote.DesiredCapabilities; 7  8 import java.net.MalformedURLException; 9 import java.net.URL;10 import java.util.Set;11 12 /**13  * @Auther:GongXingRui14  * @Date:2018/11/115  * @Description: 测试App应用（H5）16  **/17 public class ZBuyAppTest {18     public static void main(String[] args) throws MalformedURLException, InterruptedException {19 20         DesiredCapabilities capabilities = new DesiredCapabilities();21         capabilities.setCapability("deviceName", "Android Sum");22         capabilities.setCapability("automationName", "Appium");23         capabilities.setCapability("platformName", "Android");24         capabilities.setCapability("noReset", true);25 //        安卓版本号，保持默认即可26 //        capabilities.setCapability("platformVersion", "7.0");27         //启动包名，使用SDK的uiautomatorviewer查看28         capabilities.setCapability("appPackage", "cn.com.shopping.halmar");29         capabilities.setCapability("appActivity", "com.weshare.jiekuan.activity.LoadActivity");30 31         AndroidDriver driver = new AndroidDriver(new URL("http://127.0.0.1:4723/wd/hub"), capabilities);32         Thread.sleep(5000);33 34 //        获取所有窗口35         Set
     
       contexts = driver.getContextHandles();36         System.out.println("所有窗口上下文：" + contexts);37 38 //        切换窗口到WEBVIEW39         driver.context("WEBVIEW_cn.com.shopping.halmar");40 41         WebElement webElement = (WebElement) driver.findElements(By.className("_2G-P4GHfk8agQ8HDMa3Who")).get(1);42         webElement.click();43         Thread.sleep(3000);44 45         String result = driver.findElement(By.className("_3vza4fqJTJUBxJqQm687vB")).getText();46         System.out.println("结果：" + result);47 48         driver.quit();49     }50 }