1.打开项目根目录的build.gradle 在 buildscript中添加仓库及依赖
buildscript {
    repositories {
        ...
        //add repository
        maven { url 'https://www.jitpack.io' }
    }
    dependencies {
        ...
        //add dependency
        classpath 'com.github.mywonson:StringEncodingPlugin:main-SNAPSHOT'
    }
}2.在项目模块的build.gradle使用插件:
...
// use plugin
apply plugin:'com.wonson.encodeString'
...3.效果:打包生成的apk中字符串明文将被简单加密