# gradle 跨工程引用

由于项目需要，SDK的工程和主工程需要在不同的目录：

```
root

    |-SDK-project

     ----|-lib

    |-App-project

     ----|-app
```

模块app需要SDK-project工程目录下的lib，但在`settings.gradle`中是不能直接include ‘:SDK-project:lib’的。 这时候就需要一个特殊方法：`includeFlat` `includeFlat`可以引入和当前工程同一级上的工程，但不能引入模块。模块还是需要`include`来引入。

`settings.gradle`中修改为：

```
includeFlat 'SDK-project'  

include ':app'  
include ':SDK-project:lib'
```

在 app 的build.gradle中的 dependencies的引用：

```
dependencies {  
    compile project(':SDK-project:lib')
```


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