被虐死算了，从Multidex开始搞起，先阅读了dex加载的源码，然后开搞dex拆包，拆包涉及到基于Gradle的Android项目构建流程，主要集中在transformXXForNNRelease流程，如何自定义Plugin修改通过Javassist修改字节码的教程，这个教程被我整整实践了两天！晕死！坑越陷越深！两天才把自己救出来
这几篇教程都是坑 https://juejin.im/entry/577b03438ac2470061afb130 、http://blog.csdn.net/l2show/article/details/54846682
推荐这两篇 热补丁修复技术、Javassist简单应用小结
推荐Groovy教程
AndroidGradlePlugin 构建源码在哪里
AndroidGradlePlugin源码
比较重要的类 AppPlugin 、AppExtension、TaskManager、TransformManager、AndroidTask。
如何查看Task依赖树
apply plugin: "com.dorongold.task-tree"
| +--- :app:assembleRelease
| | \--- :app:assemblePitayaRelease
| | +--- :app:compilePitayaReleaseSources
| | | +--- :app:compilePitayaReleaseJavaWithJavac
| | | | +--- :app:generatePitayaReleaseSources
| | | | | +--- :app:compilePitayaReleaseAidl
| | | | | | \--- :app:preparePitayaReleaseDependencies
| | | | | | +--- :app:checkPitayaReleaseManifest
| | | | | | | \--- :app:prePitayaReleaseBuild *
| | | | | | +--- :app:prePitayaReleaseBuild *
| | | | | | +--- :app:prepareComAndroidSupportAnimatedVectorDrawable2511Library *
| | | | | | +--- :app:prepareComAndroidSupportAppcompatV72511Library *
| | | | | | +--- :app:prepareComAndroidSupportConstraintConstraintLayout100Alpha4Library *
| | | | | | +--- :app:prepareComAndroidSupportMultidex101Library *
| | | | | | +--- :app:prepareComAndroidSupportRecyclerviewV72511Library *
| | | | | | +--- :app:prepareComAndroidSupportSupportCompat2602Library *
| | | | | | +--- :app:prepareComAndroidSupportSupportCoreUi2602Library *
| | | | | | +--- :app:prepareComAndroidSupportSupportCoreUtils2602Library *
| | | | | | +--- :app:prepareComAndroidSupportSupportFragment2602Library *
| | | | | | +--- :app:prepareComAndroidSupportSupportMediaCompat2602Library *
| | | | | | +--- :app:prepareComAndroidSupportSupportV42602Library *
| | | | | | +--- :app:prepareComAndroidSupportSupportVectorDrawable2511Library *
| | | | | | +--- :app:prepareComAntfortuneFreelineRuntimeNoOp087Library
| | | | | | | +--- :app:prePitayaDebugUnitTestBuild
| | | | | | | | \--- :app:preBuild *
| | | | | | | +--- :app:prePitayaPreReleaseUnitTestBuild
| | | | | | | | +--- :app:extractProguardFiles *
| | | | | | | | \--- :app:preBuild *
| | | | | | | +--- :app:prePitayaReleaseBuild *
| | | | | | | +--- :app:prePitayaReleaseUnitTestBuild
| | | | | | | | +--- :app:extractProguardFiles *
| | | | | | | | \--- :app:preBuild *
| | | | | | | \--- :app:prePitayaStageUnitTestBuild
| | | | | | | +--- :app:extractProguardFiles *
| | | | | | | \--- :app:preBuild *
| | | | | | +--- :app:prepareComJakewhartonButterknife850Library *
| | | | | | +--- :app:prepareComTencentBuglyCrashreport_upgrade131Library *
| | | | | | +--- :app:prepareIoReactivexRxjava2Rxandroid201Library *
| | | | | | +--- :app:prepareNetZeteticAndroidDatabaseSqlcipher357Library *
| | | | | | +--- :app:prepareOrgXwalkXwalk_core_library23535894Library *
| | | | | | \--- :recycleviewlibrary:bundleRelease *
| | | | | +--- :app:compilePitayaReleaseRenderscript
| | | | | | +--- :app:checkPitayaReleaseManifest *
| | | | | | \--- :app:preparePitayaReleaseDependencies *
| | | | | +--- :app:generatePitayaReleaseBuildConfig
| | | | | | \--- :app:checkPitayaReleaseManifest *
| | | | | \--- :app:processPitayaReleaseResources
| | | | | +--- :app:mergePitayaReleaseResources
| | | | | | +--- :app:generatePitayaReleaseResources
| | | | | | | +--- :app:compilePitayaReleaseRenderscript *
| | | | | | | \--- :app:generatePitayaReleaseResValues
| | | | | | \--- :app:preparePitayaReleaseDependencies *
| | | | | \--- :app:processPitayaReleaseManifest
| | | | | \--- :app:preparePitayaReleaseDependencies *
| | | | +--- :app:greendao *
| | | | +--- :app:incrementalPitayaReleaseJavaCompilationSafeguard
| | | | +--- :app:javaPreCompilePitayaRelease
| | | | +--- :app:preparePitayaReleaseDependencies *
| | | | \--- :recycleviewlibrary:bundleRelease *
| | | \--- :app:compilePitayaReleaseNdk
| | | \--- :app:prePitayaReleaseBuild *
| | +--- :app:lintVitalPitayaRelease
| | | \--- :app:compilePitayaReleaseJavaWithJavac *
| | +--- :app:packagePitayaRelease
| | | +--- :app:compilePitayaReleaseJavaWithJavac *
| | | +--- :app:mergePitayaReleaseAssets
| | | | +--- :app:generatePitayaReleaseAssets
| | | | | \--- :app:compilePitayaReleaseShaders
| | | | | \--- :app:mergePitayaReleaseShaders
| | | | \--- :app:preparePitayaReleaseDependencies *
| | | +--- :app:processPitayaReleaseResources *
| | | +--- :app:transformClassesAndResourcesWithProguardForPitayaRelease
| | | | +--- :app:transformClassesWithMyTransformForPitayaRelease
| | | | | +--- :app:compilePitayaReleaseJavaWithJavac *
| | | | | +--- :app:preparePitayaReleaseDependencies *
| | | | | \--- :recycleviewlibrary:bundleRelease *
| | | | \--- :app:transformResourcesWithMergeJavaResForPitayaRelease
| | | | +--- :app:preparePitayaReleaseDependencies *
| | | | +--- :app:processPitayaReleaseJavaRes
| | | | \--- :recycleviewlibrary:bundleRelease *
| | | +--- :app:transformClassesWithDexForPitayaRelease
| | | | +--- :app:transformClassesAndResourcesWithProguardForPitayaRelease *
| | | | \--- :app:transformClassesWithMultidexlistForPitayaRelease
| | | | \--- :app:transformClassesAndResourcesWithProguardForPitayaRelease *
| | | +--- :app:transformNativeLibsWithMergeJniLibsForPitayaRelease
| | | | +--- :app:compilePitayaReleaseNdk *
| | | | +--- :app:mergePitayaReleaseJniLibFolders
| | | | | +--- :app:generatePitayaReleaseAssets *
| | | | | \--- :app:preparePitayaReleaseDependencies *
| | | | +--- :app:preparePitayaReleaseDependencies *
| | | | \--- :recycleviewlibrary:bundleRelease *
| | | \--- :app:validateSigningPitayaRelease
| | \--- :app:uploadPitayaReleaseSymtabFile
| | \--- :app:packagePitayaRelease *
存在循环依赖
* What went wrong:
Circular dependency between the following tasks:
:app:transformClassesAndResourcesWithProguardForPitayaRelease
\--- :app:transformClassesWithMyTransformForPitayaRelease
\--- :app:transformClassesWithMultidexlistForPitayaRelease
\--- :app:transformClassesAndResourcesWithProguardForPitayaRelease (*)
(*) - details omitted (listed previously)
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