【发布时间】：2021-12-28 17:50:16
【问题描述】：
对于 Flutter 想要运行或构建 APK 的第一个项目，显示错误，flutter Doctor 一切正常，代理已关闭，SDK Android 为 Android 31，flutter.gradle 中有更多错误请帮助我
- 扑医生没事
- Android 项目中的 gradle 工作正常
- 代理出发
-
flutter.gradle文件中有更多错误 - 不支持设备连接（windows、chrome）
C:\Users\hp\Videos\mightyfirebasechat\android>gradlew
Downloading https://services.gradle.org/distributions/gradle-6.1.1-all.zip
Exception in thread "main" java.net.SocketException: Network is unreachable: connect
at java.base/sun.nio.ch.Net.connect0(Native Method)
at java.base/sun.nio.ch.Net.connect(Net.java:579)
at java.base/sun.nio.ch.Net.connect(Net.java:568)
at java.base/sun.nio.ch.NioSocketImpl.connect(NioSocketImpl.java:588)
at java.base/java.net.Socket.connect(Socket.java:633)
at java.base/java.net.Socket.connect(Socket.java:583)
at java.base/sun.net.NetworkClient.doConnect(NetworkClient.java:183)
at java.base/sun.net.www.http.HttpClient.openServer(HttpClient.java:498)
at java.base/sun.net.www.http.HttpClient$1.run(HttpClient.java:557)
at java.base/sun.net.www.http.HttpClient$1.run(HttpClient.java:555)
at java.base/java.security.AccessController.doPrivileged(AccessController.java:569)
at java.base/sun.net.www.http.HttpClient.privilegedOpenServer(HttpClient.java:554)
at java.base/sun.net.www.http.HttpClient.openServer(HttpClient.java:598)
at java.base/sun.net.www.protocol.https.HttpsClient.<init>(HttpsClient.java:266)
at java.base/sun.net.www.protocol.https.HttpsClient.New(HttpsClient.java:380)
at java.base/sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.getNewHttpClient(AbstractDelegateHttpsURLConnection.java:198)
at java.base/sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1263)
at java.base/sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1128)
at java.base/sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(AbstractDelegateHttpsURLConnection.java:175)
at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1665)
at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1589)
at java.base/sun.net.www.protocol.https.HttpsURLConnectionImpl.getInputStream(HttpsURLConnectionImpl.java:224)
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)
颤动-运行详细：
[ +222 ms]
#0 throwToolExit (package:flutter_tools/src/base/common.dart:10:3)
#1 RunCommand.validateCommand (package:flutter_tools/src/commands/run.dart:465:7)
<asynchronous suspension>
#2 FlutterCommand.verifyThenRunCommand (package:flutter_tools/src/runner/flutter_command.dart:1248:5)
<asynchronous suspension>
#3 FlutterCommand.run.<anonymous closure> (package:flutter_tools/src/runner/flutter_command.dart:1140:27)
<asynchronous suspension>
#4 AppContext.run.<anonymous closure> (package:flutter_tools/src/base/context.dart:150:19)
<asynchronous suspension>
#5 CommandRunner.runCommand (package:args/command_runner.dart:209:13)
<asynchronous suspension>
#6 FlutterCommandRunner.runCommand.<anonymous closure> (package:flutter_tools/src/runner/flutter_command_runner.dart:288:9)
<asynchronous suspension>
#7 AppContext.run.<anonymous closure> (package:flutter_tools/src/base/context.dart:150:19)
<asynchronous suspension>
#8 FlutterCommandRunner.runCommand (package:flutter_tools/src/runner/flutter_command_runner.dart:236:5)
<asynchronous suspension>
#9 run.<anonymous closure>.<anonymous closure> (package:flutter_tools/runner.dart:62:9)
<asynchronous suspension>
#10 AppContext.run.<anonymous closure> (package:flutter_tools/src/base/context.dart:150:19)
<asynchronous suspension>
#11 main (package:flutter_tools/executable.dart:94:3)
<asynchronous suspension>
[ +353 ms] ensureAnalyticsSent: 268ms
[ +5 ms] Running shutdown hooks
[ +1 ms] Shutdown hooks complete
[ +4 ms] exiting with code 1
【问题讨论】：