參考：

https://stackoverflow.com/questions/40616077/using-proguard-in-java-modules-android-studio

https://segmentfault.com/a/1190000010338331

Project:

? ? -app (android application)

? ? -common (java library)

? ? ? ? -build.gradle

? ??????import proguard.gradle.ProGuardTask

? ??????buildscript {

? ??????????classpath"net.sf.proguard:proguard-gradle:5.3.3"

? ? ? ? }

? ??????task proguardFiles(type: ProGuardTask,dependsOn: compileJava) {

????????????// make jar task wait for proguardFiles task finish

? ? ????????tasks.jar.dependsOn.add(proguardFiles)

????????????println"proguarding"

? ? ????????// build\classes\java\main

? ? ????????println"${sourceSets.main.java.outputDir}"

? ????? ????// main classes

? ? ????????println"${sourceSets.main.output}"

? ? ????????printmapping"$buildDir/mapping.txt"

? ? ????????configuration'proguard-rules.pro'

? ? ????????libraryjars files(configurations.compile.findAll {}.collect())

????????????injarssourceSets.main.output

? ? ????????// setup proguard output classes: output not .jar

? ? ????????outjars"$buildDir/libs/${project.name}"

? ? ????????// delete previous outputs

? ? ????????delete"$buildDir/libs/${project.name}"

? ? ????????// replace the original classes

? ? ????????doLast {

????????????????println"copying product"

? ? ? ? ????????// delete original classes in "${sourceSets.main.java.outputDir}"

? ? ? ? ????????delete"${sourceSets.main.java.outputDir}"? //"${sourceSets.main.output.classesDir}"

? ? ? ? ????????copy {

????????????????????from"$buildDir/libs/${project.name}"

? ? ? ? ? ? ????????// copy proguard outputs into "${sourceSets.main.java.outputDir}"

? ? ? ? ? ? ????????into"${sourceSets.main.java.outputDir}"? //"${sourceSets.main.output.classesDir}"

? ? ? ? ????????}

????????????}

????????}

依賴的jar需不需要打包進(jìn)來，如果需要怎么搞？

如何在該模塊內(nèi)區(qū)分release/debug，讓debug不混淆？