Android 从其他gradle脚本调用方法

我希望有方法在build.gradle之外生成版本号和版本。我已经创建了build-versioning.gradle：

def getNewBuildCode = { ->
    def stdout = new ByteArrayOutputStream()
    exec {
        commandLine 'git', 'rev-list', 'HEAD', '--count'
        standardOutput = stdout
    }
    def version = stdout.toString().trim().toInteger()
    println("versionCode: $version")
    return version
}

def getVersionNameFromTag = { ->
    def stdout = new ByteArrayOutputStream()
    exec {
        commandLine 'git', 'describe', '--tags'
        standardOutput = stdout
    }
    return stdout.toString().trim()
}

然后我将其应用于build.gradle中：

apply from: '../../signing.gradle'

并在defaultConfig中使用：

versionName getVersionNameFromTag()

我收到了：

Error:Could not find method getVersionNameFromTag() for arguments [] on ProductFlavor_Decorated{name=main, dimension=null, minSdkVersion=DefaultApiVersion{mApiLevel=17, mCodename='null'}, targetSdkVersion=DefaultApiVersion{mApiLevel=24, mCodename='null'}, renderscriptTargetApi=null, renderscriptSupportModeEnabled=null, renderscriptSupportModeBlasEnabled=null, renderscriptNdkModeEnabled=null, versionCode=157, versionName=null, applicationId=ae.propertyfinder, testApplicationId=null, testInstrumentationRunner=android.support.test.runner.AndroidJUnitRunner, testInstrumentationRunnerArguments={}, testHandleProfiling=null, testFunctionalTest=null, signingConfig=null, resConfig=null, mBuildConfigFields={}, mResValues={}, mProguardFiles=[], mConsumerProguardFiles=[], mManifestPlaceholders={}} of type com.android.build.gradle.internal.dsl.ProductFlavor. 

GetNewBuilderCode也是如此。

---

如何解决这个问题？

应该是这样的：

// build.gradle file
task build(type: GradleBuild) {
    buildFile = 'other.gradle'
    tasks = ['hello from main file']
}
// other.gradle file
task hello << {
    println "method from another file here."
}

//build.gradle文件
任务生成（类型：GradleBuild）{
构建文件='other.gradle'
tasks=['hello from main file']
}
//其他.gradle文件
任务hellodef表示本地函数/变量，因此必须导出它们。这可以通过ext属性完成。请在此处查找更多信息：

就是这样！谢谢
ext.getNewBuildCode = { ->
    def stdout = new ByteArrayOutputStream()
    exec {
        commandLine 'git', 'rev-list', 'HEAD', '--count'
        standardOutput = stdout
    }
    def version = stdout.toString().trim().toInteger()
    println("versionCode: $version")
    return version
}

ext.getVersionNameFromTag = { ->
    def stdout = new ByteArrayOutputStream()
    exec {
        commandLine 'git', 'describe', '--tags'
        standardOutput = stdout
    }
    return stdout.toString().trim()
}