Flutter开发遇坑记录

问题1 Android Studio flutter 项目运行报错Launching lib/main.dart on Android SDK built for x86 in debug mode…Initializing gradle…Finished with error: ProcessException: Process “/Users//AndroidStudioProjects/flutter_app_one/android/gradlew” exited abnormally:Downloading https://services.gradle.org/distributions/gradle-4.10.2-all.zipException in thread “main” java.net.ConnectException: Operation timed out (Connection timed out) at java.net.PlainSocketImpl.socketConnect(Native Method) at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) at java.net.Socket.connect(Socket.java:589) at sun.security.ssl.SSLSocketImpl.connect(SSLSocketImpl.java:673) at sun.security.ssl.BaseSSLSocketImpl.connect(BaseSSLSocketImpl.java:173) at sun.net.NetworkClient.doConnect(NetworkClient.java:180) at sun.net.www.http.HttpClient.openServer(HttpClient.java:432) at sun.net.www.http.HttpClient.openServer(HttpClient.java:527) at sun.net.www.protocol.https.HttpsClient.<init>(HttpsClient.java:264) at sun.net.www.protocol.https.HttpsClient.New(HttpsClient.java:367) at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.getNewHttpClient(AbstractDelegateHttpsURLConnection.java:191) at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1138) at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1032) at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(AbstractDelegateHttpsURLConnection.java:177) 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: /Users//AndroidStudioProjects/flutter_app_one/android/gradlew -v主要看这句话Finished with error: ProcessException: Process “/Users/***/AndroidStudioProjects/flutter_app_one/android/gradlew” exited abnormally:Downloading https://services.gradle.org/distributions/gradle-4.10.2-all.zip由于网的问题（翻墙），Android构建工具 gradle 下载失败了。下载位置是//{AppName}/android/gradle/wrapper/gradle-wrapper.propertiesdistributionUrl=https://services.gradle.org/distributions/gradle-4.10.2-all.zip解决方法是，将这个文件 gradle-4.10.2-all.zip 下载到本地，再把上面的地址指向你本地的文件地址即可，记得重启。（持续更新……）