Android Studio添加aar依赖的两种方式

android{
    repositories {
        flatDir {
            dirs 'libs'
        }
    }
}
dependencies {
    implementation fileTree(include: ['*.jar'], dir: 'libs')
    implementation (name: 'barcode_scanner_library_v2.3.2.0', ext: 'aar') 
}
android{
    repositories {
        fla