Android垃圾代码生成插件

使用方法

buildscript {
 repositories {
 mavenCentral()
 }
 dependencies {
 classpath "com.github.qq549631030:android-junk-code:x.x.x" //x.x.x换成最新的插件版本号
 }
}

apply plugin: 'com.android.application'
apply plugin: 'android-junk-code'
androidJunkCode {
 variantConfig {
 release {
//注意:这里的release是变体名称,如果没有设置productFlavors就是buildType名称,如果有设置productFlavors就是flavor+buildType,例如(freeRelease、proRelease)
 packageBase = "cn.hx.plugin.ui" //生成java类根包名
 packageCount = 30 //生成包数量
 activityCountPerPackage = 3 //每个包下生成Activity类数量
 excludeActivityJavaFile = false
 //是否排除生成Activity的Java文件,默认false(layout和写入AndroidManifest.xml还会执行),主要用于处理类似神策全埋点编译过慢问题
 otherCountPerPackage = 50 //每个包下生成其它类的数量
 methodCountPerClass = 20 //每个类下生成方法数量
 resPrefix = "junk_" //生成的layout、drawable、string等资源名前缀
 drawableCount = 300 //生成drawable资源数量
 stringCount = 300 //生成string数量
 }
 }
}

plugins {
 //插件id和前面mavenCentral的不一样
 //开头是io.github不是com.github
 id "io.github.qq549631030.android-junk-code" version "x.x.x"
}
androidJunkCode {
 variantConfig {
 release {
 //...
 }
 }
}

androidJunkCode {
 def config = {
 packageBase = "cn.hx.plugin.ui"
 packageCount = 30
 activityCountPerPackage = 3
 excludeActivityJavaFile = false
 otherCountPerPackage = 50
 methodCountPerClass = 20
 resPrefix = "junk_"
 drawableCount = 300
 stringCount = 300
 }
 variantConfig {
 //注意:这里的debug,release为变体名称,如果没有设置productFlavors就是buildType名称,如果有设置productFlavors就是flavor+buildType,例如(freeRelease、proRelease)
 debug config
 release config
 }
}

#cn.hx.plugin.ui为前面配置的packageBase
-keep class cn.hx.plugin.ui.** {*;}

androidJunkCode {
 variantConfig {
 release {
 packageBase = "cn.hx.plugin.ui"
 packageCount = 30
 activityCountPerPackage = 30
 excludeActivityJavaFile = false
 otherCountPerPackage = 50
 methodCountPerClass = 20
 resPrefix = "junk_"
 drawableCount = 300
 stringCount = 300
 //自定义生成包名(设置此项后packageBase将无效)
 //注意,要把生成的包名加入混淆文件
 packageCreator = { tuple2 ->
 //int:下标 [0,packageCount)
 def index = tuple2.first
 //StringBuilder: 生成包名格式xx.xx.xx
 def packageNameBuilder = tuple2.second
 packageNameBuilder.append("cn.hx.package" + index)
 }
 /**
 * 自定义生成Activity
 */
 activityCreator = { tuple4 ->
 //int:下标 [0,activityCountPerPackage)
 def index = tuple4.first
 //StringBuilder: 生成Activity文件名
 def activityNameBuilder = tuple4.second
 //StringBuilder: 生成layout文件名
 def layoutNameBuilder = tuple4.third
 //StringBuilder: 生成layout内容
 def layoutContentBuilder = tuple4.fourth
 //例
 activityNameBuilder.append("Activity${index}")
 layoutNameBuilder.append("activity_${index}")
 layoutContentBuilder.append('''<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
 android:layout_width="match_parent"
 android:layout_height="match_parent"
 android:orientation="vertical">

 <TextView
 android:layout_width="wrap_content"
 android:layout_height="wrap_content"
 android:layout_gravity="center" />
</LinearLayout>''')
 }
 //自定义生成类名(Activity除外)
 classNameCreator = { tuple2 ->
 //int:下标 [0,otherCountPerPackage)
 def index = tuple2.first
 //StringBuilder: 生成Java文件名
 def classNameBuilder = tuple2.second
 //例
 classNameBuilder.append("Class${index}")
 }
 //自定义生成方法名
 methodNameCreator = { tuple2 ->
 //int:下标 [0,methodCountPerClass)
 def index = tuple2.first
 //StringBuilder: 生成的方法名
 def classNameBuilder = tuple2.second
 //例
 classNameBuilder.append("method${index}")
 }
 //自定义生成drawable(只支持xml)
 drawableCreator = { tuple3 ->
 //int:下标 [0,drawableCount)
 def index = tuple3.first
 //StringBuilder: 生成drawable文件名
 def fileNameBuilder = tuple3.second
 //StringBuilder: 生成drawable文件内容
 def contentBuilder = tuple3.third
 //例
 fileNameBuilder.append("drawable${index}")
 contentBuilder.append('''<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android">
 <corners android:radius="4dp" />
 <stroke
 android:width="1dp"
 android:color="#333333" />
</shape>
''')
 }
 //自定义生成 string
 stringCreator = { tuple3 ->
 //int:下标 [0,drawableCount)
 def index = tuple3.first
 //StringBuilder: 生成string名
 def keyBuilder = tuple3.second
 //StringBuilder: 生成string值
 def valueBuilder = tuple3.third
 //例
 keyBuilder.append("string${index}")
 valueBuilder.append("value${index}")
 }
 //自定义生成keep.xm
 keepCreator = { tuple2 ->
 //StringBuilder:生成文件名
 def fileNameBuilder = tuple2.first
 //StringBuilder: 生成的文件内容
 def contentBuilder = tuple2.second
 //例
 fileNameBuilder.append("android_junk_code_keep")
 contentBuilder.append( "<resources xmlns:tools=\"http://schemas.android.com/tools\"\n" +
 " tools:keep=\"@layout/junk_*, @drawable/junk_*\" />\n")
 }
 //自定义类实现(类名已经实现随机,Activity类已经实现了onCreate,其它自己实现随机)
 //注意设置了此实现将忽略 methodGenerator,methodCountPerClass
 //TypeSpec.Builder用法请参考(https://github.com/square/javapoet)
// typeGenerator = { typeBuilder ->
// //例
// for (i in 0..<10) {
// typeBuilder.addMethod(MethodSpec.methodBuilder("method" + i)
// .addCode("" + "int total = 0;\n" + "for (int i = 0; i < 10; i++) {\n" + " total += i;\n" + "}\n")
// .build())
// }
// }
 //自定义方法实现(方法名已经实现随机,其它自己实现随机)
 //MethodSpec.Builder用法请参考(https://github.com/square/javapoet)
// methodGenerator = { methodBuilder ->
// //例
// methodBuilder.addCode("" + "int total = 0;\n" + "for (int i = 0; i < 10; i++) {\n" + " total += i;\n" + "}\n")
// }
 }
 }
}

androidJunkCode {
 variantConfig {
 release {
 javaGenerator = { javaDir ->
 //File:java目录
 //把你生成的所有java文件放到这个目录下
 }
 resGenerator = { resDir ->
 //File:res目录
 //把你生成的所有资源文件放到这个目录下
 }
 manifestGenerator = { manifestFile ->
 //File:AndroidManifest.xml文件
 //把你生成的AndroidManifest.xml内容写入到这个文件
 }
 }
 }
}

打包

生成文件所在目录

使用插件methodCount对比

未加垃圾代码

加了垃圾代码