1. 把Arr copy 到指定目录

xxx/app/libs/

2. 在build.gradle(Module app)文件中设置依赖，额，或许有其他名字：

如下红色字体部分为新增

dependencies { compile fileTree(include: ['*.jar'],dir: 'libs') compile(name: 'mylib-debug',ext: 'aar') androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.1',{ exclude group: 'com.android.support',module: 'support-annotations'  }) testCompile 'junit:junit:4.12' }