Cannot set the value of read-only property 'outputFile'

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更新Android Studio 3.0之后，出现Cannot set the value of read-only property ‘outputFile’报错，也就是用来打包后重命名的gradle出现了问题

旧版本

AS 2.3时用的代码：

applicationVariants.all { variant ->        variant.outputs.each { output ->            def outputFile = output.outputFile            if (outputFile != null && outputFile.name.endsWith('.apk')) {                def fileName = "driver_${variant.productFlavors[0].name}_v${defaultConfig.versionName}.apk"                output.outputFile = new File(outputFile.parent, fileName)            }        }    }

修改之后：

    flavorDimensions 'api'    productFlavors {        ...    }    android.applicationVariants.all { variant ->        variant.outputs.all {            outputFileName = "driver_${variant.productFlavors[0].name}_v${variant.versionName}.apk"        }    }

关于flavorDimensions可查看官方文档
https://developer.android.google.cn/studio/build/build-variants.htm

参考资料

答案来源：https://stackoverflow.com/questions/44239235/android-gradle-3-0-0-alpha2-plugin-cannot-set-the-value-of-read-only-property
官方文档解析：https://developer.android.google.cn/studio/build/gradle-plugin-3-0-0-migration.html#variant_api

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