Minimum supported Gradle version is 6.x.x. Current version is 4.10.3.

使用ionic编译项目时有的项目会提示

 Minimum supported Gradle version is 6.1.1. Current version is 4.10.3. If using the gradle wrapper, try editing the distributionUrl in /Users/jason/develop/industics/ibrain-app/in-mom-pda/gradle/wrapper/gradle-wrapper.properties to gradle-6.1.1-all.zip

为什么自己明明安装了5.6.3 还是报4.10.3这个错呢.
一直没搞清楚原因, 今天感觉搞不下去了.

就在项目里搜索了4.10.3

截屏2020-07-15 21.19.51.png

在node_moules的ProjectBuilder.js中发现如下代码

prepEnv (opts) {
        var self = this;
        return check_reqs.check_gradle()
            .then(function (gradlePath) {
                return self.runGradleWrapper(gradlePath);
            }).then(function () {
                return self.prepBuildFiles();
            }).then(function () {
                // If the gradle distribution URL is set, make sure it points to version we want.
                // If it's not set, do nothing, assuming that we're using a future version of gradle that we don't want to mess with.
                // For some reason, using ^ and $ don't work.  This does the job, though.
                var distributionUrlRegex = /distributionUrl.*zip/;
                var distributionUrl = process.env['CORDOVA_ANDROID_GRADLE_DISTRIBUTION_URL'] || 'https\\://services.gradle.org/distributions/gradle-4.10.3-all.zip';
                var gradleWrapperPropertiesPath = path.join(self.root, 'gradle', 'wrapper', 'gradle-wrapper.properties');
                shell.chmod('u+w', gradleWrapperPropertiesPath);
                shell.sed('-i', distributionUrlRegex, 'distributionUrl=' + distributionUrl, gradleWrapperPropertiesPath);

                var propertiesFile = opts.buildType + SIGNING_PROPERTIES;
                var propertiesFilePath = path.join(self.root, propertiesFile);
                if (opts.packageInfo) {
                    fs.writeFileSync(propertiesFilePath, TEMPLATE + opts.packageInfo.toProperties());
                } else if (isAutoGenerated(propertiesFilePath)) {
                    shell.rm('-f', propertiesFilePath);
                }
            });
    }

其中又一行代码

 var distributionUrl = process.env['CORDOVA_ANDROID_GRADLE_DISTRIBUTION_URL'] || 'https\\://services.gradle.org/distributions/gradle-4.10.3-all.zip';

感觉问题就处在这.
感觉应该要将其设置为环境变量.可是要设置什么值呢？
上网搜索下CORDOVA_ANDROID_GRADLE_DISTRIBUTION_URL＂　果然在 https://www.jianshu.com/p/7a465d169486 找到了答案
在～/.bash_profile 或者 ~/.zshrc [如果使用ohmyzsh的话]

 export GRADLE_HOME=$HOME/apps/gradle-5.6.4
export CORDOVA_ANDROID_GRADLE_DISTRIBUTION_URL=file://$GRADLE_HOME
export PATH=$GRADLE_HOME/bin:$ANDROID_HOME/tools:$ANDROID_HOME/platform-tools:$PATH

注意 $GRADLE_HOME 前面的 file:// 本身需要的是file:///User/..... 但是$ GRADLE_HOME 是/开头的所以这里要加上file://