您好，请教下楼主，我在使用 driver.manage().window().getSize()，总是会报错：麻烦您帮我看下，是版本不支持嘛？
org.openqa.selenium.WebDriverException: unknown error: operation is unsupported on Android
(Session info: webview=33.0.0.0)
(Driver info: chromedriver=2.16.333243 (0bfa1d3575fc1044244f21ddb82bf870944ef961),platform=Windows NT 6.1 SP1 x86_64) (WARNING: The server did not provide any stacktrace information)
Command duration or timeout: 32 milliseconds
Build info: version: '2.48.2', revision: '41bccdd10cf2c0560f637404c2d96164b67d9d67', time: '2015-10-09 13:08:06'
System info: host: 'GTP-LAB6324', ip: '192.168.69.44', os.name: 'Windows 7', os.arch: 'amd64', os.version: '6.1', java.version: '1.7.0_55'
Session ID: 9c45ec78-59e0-4597-a6f3-9be36b0e8ff3
Driver info: io.appium.java_client.android.AndroidDriver
Capabilities [{platform=LINUX, app=E:\GLM_appium\apps\GLM.apk, javascriptEnabled=true, browserName=, networkConnectionEnabled=true, udid=192.168.56.101:5555, desired={autoAcceptAlerts=true, app=E:\GLM_appium\apps\GLM.apk, platformVersion=4.4, deviceName=Android Emulator, platformName=Android, browserName=, unicodeKeyboard=true, resetKeyboard=true, udid=192.168.56.101:5555}, locationContextEnabled=false, autoAcceptAlerts=true, platformVersion=4.4.4, databaseEnabled=false, platformName=Android, deviceName=192.168.56.101:5555, webStorageEnabled=false, unicodeKeyboard=true, resetKeyboard=true, warnings={}, takesScreenshot=true}]
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
at org.openqa.selenium.remote.ErrorHandler.createThrowable(ErrorHandler.java:206)
at org.openqa.selenium.remote.ErrorHandler.throwIfResponseFailed(ErrorHandler.java:158)
at org.openqa.selenium.remote.RemoteWebDriver.execute(RemoteWebDriver.java:647)
at io.appium.java_client.DefaultGenericMobileDriver.execute(DefaultGenericMobileDriver.java:42)
at io.appium.java_client.AppiumDriver.execute(AppiumDriver.java:1)
at io.appium.java_client.android.AndroidDriver.execute(AndroidDriver.java:1)
at org.openqa.selenium.remote.RemoteWebDriver$RemoteWebDriverOptions$RemoteWindow.getSize(RemoteWebDriver.java:876)
at com.glm.task.Team_Task.swipeToDown(Team_Task.java:119)
at com.glm.testcase.team.TestP0_TeamSearcher.setUp(TestP0_TeamSearcher.java:36)

info: <-- POST /wd/hub/session/9c45ec78-59e0-4597-a6f3-9be36b0e8ff3/execute 200
1249.488 ms - 72
info: --> GET /wd/hub/session/9c45ec78-59e0-4597-a6f3-9be36b0e8ff3/window/curren
t/size {}
info: JSONWP Proxy: Proxying [GET /wd/hub/session/9c45ec78-59e0-4597-a6f3-9be36b
0e8ff3/window/current/size] to [GET http://127.0.0.1:9515/wd/hub/session/7ec9537
7e7edf1f5576beb0b362f881d/window/current/size] with body: {}
info: JSONWP Proxy: Got response with status 200: {"sessionId":"7ec95377e7edf1f5
576beb0b362f881d","status":13,"value":{"message":"unknown error: operation is un
supported on Android\n (Session info: webview=33.0.0.0)\n (Driver info: chrome
driver=2.1...
info: <-- GET /wd/hub/session/9c45ec78-59e0-4597-a6f3-9be36b0e8ff3/window/curren
t/size 200 23.960 ms - 290
info: [debug] Didn't get a new command in 60 secs, shutting down...

@532589730 ，你好，我问个比较二的问题哈，命令行 npm 安装的 appium 怎么打开图形界面啊