AppiumDriver升级到2.0.0版本引发的问题--Cannot instantiate the type AppiumDriver
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1. 问题描述和起因
在使用Appium1.7.0及其以下版本的时候,我们可以直接使用如下代码来创建一个AppiumDriver实例进行对安卓设备的操作。
- driver = new AndroidDriver(new URL("http://127.0.0.1:4723/wd/hub"), capabilities);
当前的pom.xml相关设置如下:记得把1.7.0改成2.0.0或者是将来更高级版本
- <dependency>
- <groupId>io.appium</groupId>
- <artifactId>java-client</artifactId>
- <version>2.0.0</version>
- <del><version>1.7.0</version></del>
- </dependency>
2.问题分析
究其原因,发现Appium2.0.0把AppiumDriver这个类改成了抽象函数,所以到导致了这个问题- public <span style="color:#ff0000;">abstract </span>class AppiumDriver extends RemoteWebDriver implements MobileDriver,
- ContextAware, Rotatable, FindsByAccessibilityId, LocationContext,
- DeviceActionShortcuts, TouchShortcuts, InteractsWithFiles,
- InteractsWithApps, ScrollsTo {
- private final static ErrorHandler errorHandler = new ErrorHandler(
- new ErrorCodesMobile(), true);
- private URL remoteAddress;
- private RemoteLocationContext locationContext;
- private ExecuteMethod executeMethod;
- // frequently used command parameters
- protected final String KEY_CODE = "keycode";
- protected final String PATH = "path";
- private final String SETTINGS = "settings";
- Changelog
- 2.0.0
- <ul><li><span style="font-family: Arial, Helvetica, sans-serif;">AppiumDriver is now an abstract class, use IOSDriver and AndroidDriver which both extend it. You no longer need to include the PLATFORM_NAME desired capability since it's automatic for each class. Thanks to @TikhomirovSergey for all their work</span></li></ul><span style="font-family:Arial, Helvetica, sans-serif;"><span style="white-space:pre"> </span><span style="color:#3366ff;">AppiumDriver现在变成了一个抽象类,请使用从它继承下来的IOSDriver和AndroidDriver。你不再需要加上PLATFORM_NAME这个capability,因为代码会根据你使用的是IOSDriver或者AndroidDriver来确定究竟是哪个平台。</span>
- </span><ul><li><span style="font-family: Arial, Helvetica, sans-serif;">ScrollTo() and ScrollToExact() methods reimplemented</span></li><li><span style="font-family: Arial, Helvetica, sans-serif;">Zoom() and Pinch() are now a little smarter and less likely to fail if you element is near the edge of the screen. Congratulate @BJap on their first PR!</span></li></ul>
3.问题解决
根据问题分析,把代码修改如下,使用AndroidDriver而非原来的AppiumDriver。
- public class NoetPadTest {
- /**
- * Create the test case
- *
- * @param testName name of the test case
- */
- private <span style="color:#ff0000;">AndroidDriver </span>driver;
- @Before
- public void setUp() throws Exception {
- // set up appium
- File classpathRoot = new File(System.getProperty("user.dir"));
- File appDir = new File(classpathRoot, "apps");
- File app = new File(appDir, "NotePad.apk");
- DesiredCapabilities capabilities = new DesiredCapabilities();
- capabilities.setCapability("deviceName","Android");
- //capabilities.setCapability("platformVersion", "4.2");
- capabilities.setCapability("platformName", "Android");
- //capabilities.setCapability("app", app.getAbsolutePath());
- capabilities.setCapability("appPackage", "com.example.android.notepad");
- capabilities.setCapability("appActivity", "com.example.android.notepad.NotesList");
- //capabilities.setCapability("appActivity", ".NotesList");
- driver = new <span style="color:#ff0000;">AndroidDriver</span>(new URL("http://127.0.0.1:4723/wd/hub"), capabilities);
- }
- @After
- public void tearDown() throws Exception {
- driver.quit();
- }
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- AppiumDriver升级到2.0.0版本引发的问题--Cannot instantiate the type AppiumDriver
- AppiumDriver升级到2.0.0版本引发的问题--Cannot instantiate the type AppiumDriver
- AppiumDriver升级到2.0.0版本引发的问题--Cannot instantiate the type AppiumDriver
- AppiumDriver升级到2.0.0版本引发的问题--Cannot instantiate the type AppiumDriver
- AppiumDriver升级到2.0.0版本引发的问题--Cannot instantiate the type AppiumDriver
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