from: http://laole918.com/2016/07/12/gradle-output/

更改app的outputFile

• 方法一：编译完成之后，copy到指定目录，同时重命名

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  android {{...}applicationVariants.all { variant -> if (variant.buildType.name == 'release') { variant.assemble.doLast { variant.outputs.each { output -> def outputFile = output.outputFile if (outputFile != null && outputFile.name.endsWith('release.apk')) { def fileName = "${project.name}${variant.flavorName}_${defaultConfig.versionName}_${releaseTime()}" def outputPath = "../output/apk"; copy { from outputFile into outputPath rename { fileName + ".apk" } } } } } } } {...}}

• 方法二：直接改变output.outputFile的目录并重命名
  注意：没有 doLast{}

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  android {{...} applicationVariants.all { variant -> if (variant.buildType.name == 'release') { variant.outputs.each { output -> def outputFile = output.outputFile if (outputFile != null && outputFile.name.endsWith('release.apk')) { def fileName = "${project.name}${variant.flavorName}_${defaultConfig.versionName}_${releaseTime()}" def outputPath = "../output/apk"; output.outputFile = new File(outputPath, fileName + ".apk") } } } } {...}}

更改library的outputFile

• 方法一：编译完成之后，copy到指定目录，同时重命名

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  android{ libraryVariants.all { variant -> if (variant.buildType.name == 'release') { variant.assemble.doLast { variant.outputs.each { output -> def outputFile = output.outputFile if (outputFile != null && outputFile.name.endsWith('release.aar')) { def fileName = "${project.name}${variant.flavorName}_${android.defaultConfig.versionName}_${releaseTime()}" def outputPath = "../output/aar" copy { from outputFile into outputPath rename { fileName + ".aar" } } } } } } }}

• 方法二：直接改变output.outputFile的目录并重命名

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  android {libraryVariants.all { variant -> if (variant.buildType.name == 'release') { variant.outputs.each { output -> def outputFile = output.outputFile if (outputFile != null && outputFile.name.endsWith('release.aar')) { def fileName = "${project.name}${variant.flavorName}_${android.defaultConfig.versionName}_${releaseTime()}" def outputPath = "../output/aar" output.outputFile = new File(outputPath, fileName + ".aar") } } } }}

• 方法三：如果想要最终打出jar，兼容eclipse。

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  android {{...} libraryVariants.all { variant -> if (variant.buildType.name == 'release') { variant.assemble.doLast { variant.outputs.each { output -> def outputFile = output.outputFile if (outputFile != null && outputFile.name.endsWith('release.aar')) { def fileName = "${project.name}${variant.flavorName}_${android.defaultConfig.versionName}_${releaseTime()}" def outputPath = "../output/jar" def flavorBundlesPath = "build/intermediates/bundles/$variant.flavorName" tasks.create(name: "export", type: Jar) { from zipTree(flavorBundlesPath + '/release/classes.jar') from fileTree(dir: flavorBundlesPath + '/release', includes: ['assets/**']) baseName = fileName destinationDir = file(outputPath) } export.execute() } } } } } {...}}

注意：以上方法中用到的variant.flavorName是项目中有多渠道配置需要的，如果项目没有配置productFlavors，便可以省略。

参考

http://stormzhang.com/devtools/2015/01/15/android-studio-tutorial6/
http://stackoverflow.com/questions/19034466/how-to-create-an-android-library-jar-with-gradle-without-publicly-revealing-sour

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