Android layout下分包

model下的build.gradle 

android{

sourceSets {

main {

jniLibs.srcDirs= ['libs']

res.srcDirs= [

'src/main/res/layouts/fragment',

'src/main/res/layouts/activity',

'src/main/res/layouts/holder',

'src/main/res/layouts',

'src/main/res']

}

}