Launching lib\main.dart on SM G9209 in debug mode...
Initializing gradle...
Finished with error: ProcessException: Process "E:\android\flutter_project\flutter_app\android\gradlew.bat" exited abnormally:
Downloading https://services.gradle.org/distributions/gradle-4.10.2-all.zip
Exception in thread "main" java.io.IOException: Unable to tunnel through proxy. Proxy returns "HTTP/1.1 400 Bad Request"
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:2124)
at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(AbstractDelegateHttpsURLConnection.java:183)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1546)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1474)
at sun.net.www.protocol.https.HttpsURLConnectionImpl.getInputStream(HttpsURLConnectionImpl.java:254)
at org.gradle.wrapper.Download.downloadInternal(Download.java:58)
at org.gradle.wrapper.Download.download(Download.java:44)
at org.gradle.wrapper.Install$1.call(Install.java:61)
at org.gradle.wrapper.Install$1.call(Install.java:48)
at org.gradle.wrapper.ExclusiveFileAccessManager.access(ExclusiveFileAccessManager.java:65)
at org.gradle.wrapper.Install.createDist(Install.java:48)
at org.gradle.wrapper.WrapperExecutor.execute(WrapperExecutor.java:128)
at org.gradle.wrapper.GradleWrapperMain.main(GradleWrapperMain.java:61)
Command: E:\android\flutter_project\flutter_app\android\gradlew.bat -v
现在才发现没写解决方法，根据提示可以看出就是gradle的问题，看一下flutter文件里面的gradle版本，应该是找不到，修改一下版本
