apk压缩

1.png，jpg转webp
androidStudio选中所有图片直接强转,大图可转,小图会转换失败

2./app/src/build.gradle
中
android{
default{
 resConfigs "en"//去除多语言只保留英语减少了大概 200 kb
}
}

3. 微信的AndResGuard
https://github.com/shwenzhang/AndResGuard
参考:
https://github.com/shwenzhang/AndResGuard/blob/master/AndResGuard-example/app/build.gradle

4.删除无用资源,移除无用资源 shinkResource
Analyze > Run Inspection By Name > unused resources
shrinkResources = true 

5.开启混淆

6.so优化/app/src/build.gradle
android{ 
 ... 
 defaultConfig{ 
 ... 
 ndk { 
 //设置支持的SO库架构 (根据业务需要)
 abiFilters "armeabi-v7a" 
 } 
} 
} 

参考
https://www.jianshu.com/p/77cbe147aea8