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Flutter 环境变量配置和flutter doctor中的错误解决

一、环境变量右键点击我的电脑-属性:然后找到环境变量 1.Android的SDK不在C盘的话需要额外配这个到用户环境变量:ANDROID_HOMED:\AndroidSDK2.然后在系统变量:Path中添加一条这样的值        D:\Flutter\flutter\bin             这个值写flutter包解压的实际地址即可 3.在系统变量中添加两个镜像变量:        变量名:FLUTTER_STORAGE_BASE_URL      变量值:https://storage.flutter-io.cn        变量名:PUB_HOSTED_URL      变量

java - Appium Doctor - 无法在 MacOS 10.12 上将 $JAVA_HOME/bin 设置为 PATH 变量

在MacOS10.12上用npm安装了appiumdoctor,它给了我一个错误:WARNAppiumDoctor✖Bindirectoryfor$JAVA_HOMEisnotset.到目前为止,我已经尽力了,请帮忙。这是我的.bash_profile:exportANDROID_HOME="/Users/sergei/Library/Android/sdk/"exportPATH=$ANDROID_HOME/platform-tools:$PATHexportPATH=$ANDROID_HOME/tools:$PATHexportJAVA_HOME="/Library/Java/Ja

MAC flutter doctor --android-licenses 报错解决方案

报错信息:!Doctorfoundissuesin1category.miqi@bogonmy_app%flutterdoctor--android-licenses错误:加载主类com.android.sdklib.tool.sdkmanager.SdkManagerCli时出现LinkageErrorjava.lang.UnsupportedClassVersionError:com/android/sdklib/tool/sdkmanager/SdkManagerClihasbeencompiledbyamorerecentversionoftheJavaRuntime(classfil

【Flutter】flutter doctor network resources 报错,解决国内开发环境问题

目录三大资源站分别是解决maven.google.com的问题解决pub.dev的问问题解决github.com的问题flutterdoctornetworkresources主要检查flutter开发工具运行过程中依赖的网络资源来源站是否可以正常访问,但国内通常都是无法访问的下面介绍windows下的设置方法,如果你熟练使用mac或linux,通常会更自由,环境变量不会出现不识别的情况,参考本文档依旧可以完成配置三大资源站分别是maven.google.comgoogle的maven库资源站pub.devdart和flutter的官方开放库资源站github.com不用多说解决maven.g

flutter doctor检测过程中出现网络超时的问题

 flutter安装过程中遇到的问题时:Networkresources   XAnetworkerroroccurredwhilechecking"https://maven.google.com/":AnHTTPerroroccurredwhilechecking"https://github.com/": 网络超时打开flutter根目录1.找到配置flutter的目录,并且通过cd切换进去即可;当找不到时,可以通过find命令查找如下文件名即可:find/-name"*.http_host_validator.dart"2.vimflutter/packages/flutter_too

android - "tns doctor""You need to have the Android SDK Build-tools installed on your system."但一切都已安装

我已经安装了AndroidStudio并通过AndroidStudio进一步安装了SDK和工具。他们在这里:我的$ANDROID_HOME路径如下:/Users/USER/Library/Android/sdk在终端和AndroidStudio中。但是,当运行tnsdoctor时,我得到以下信息:(...)VerifyingCocoaPods.Thismaytakesometime,pleasebepatient◟VerifyingCocoaPods.Thismaytakesometime,pleasebepatient◜VerifyingCocoaPods.Thismaytakeso

Flutter执行flutter doctor报错HTTP Host Availability

问题描述[!]HTTPHostAvailability✗HTTPhosthttps://maven.google.com/isnotreachable.Reason:AnerroroccurredwhilecheckingtheHTTPhost:Operationtimedout解决方案将文件flutter/packages/flutter_tools/lib/src/http_host_validator.dart中的https://maven.google.com/改为https://dl.google.com/dl/android/maven2/。%vimflutter/packages

mysql - mysql 5.5 中 'having clause' 中的未知列

我尝试运行一个查询:SELECT`doctors`.*,(SELECTGROUP_CONCAT(`areas`.`areaName`SEPARATOR',')FROM`areas_has_doctors`INNERJOIN`areas`ON`areas`.`areaId`=`areas_has_doctors`.`areaId`WHERE`areas_has_doctors`.`doctorId`=`doctors`.`doctorId`)as`areas`,(SELECTGROUP_CONCAT(`areas`.`areaId`)FROM`areas_has_doctors`INNE

flutter doctor --android-licenses报错解决方案

C:\Users\32148>flutterdoctor--android-licensesFlutterassetswillbedownloadedfromhttps://storage.flutter-io.cn.Makesureyoutrustthissource!����:��������com.android.sdklib.tool.sdkmanager.SdkManagerCliʱ����LinkageError    java.lang.UnsupportedClassVersionError:com/android/sdklib/tool/sdkmanager/SdkManag

解决运行flutter doctor --android-licenses时报错

问题描述:配置flutter环境时,会使用flutterdoctor命令来检查运行flutter的相关依赖是否配好。能看到还差 Androidlicensestatusunknown.未解决。C:\Users\ipkiss.wu>flutterdoctorFlutterassetswillbedownloadedfromhttps://storage.flutter-io.cn.Makesureyoutrustthissource!Doctorsummary(toseealldetails,runflutterdoctor-v):[√]Flutter(Channelstable,3.10.6,