Android Studio如何快速导入jar和.so文件

sourceSets{
    main {
      jniLibs.srcDirs = ['libs']
    }
  }

apply plugin: 'com.android.application'
apply plugin: 'kotlin-android'
apply plugin: 'kotlin-android-extensions'
android {
  compileSdkVersion 26
  defaultConfig {
    applicationId "com.example.administrator.xxx"
    minSdkVersion 21
    targetSdkVersion 26
    versionCode 1
    versionName "1.0"
    testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
  }
  buildTypes {
    release {
      minifyEnabled false
      proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
    }
  }
  sourceSets{
    main {
      jniLibs.srcDirs = ['libs']
    }
  }
}
dependencies {
  implementation fileTree(include: ['*.jar'], dir: 'libs')
  implementation "org.jetbrains.kotlin:kotlin-stdlib-jre7:$kotlin_version"
  implementation 'com.android.support:appcompat-v7:26.0.0-beta1'
  implementation 'com.android.support.constraint:constraint-layout:1.0.2'
  testImplementation 'junit:junit:4.12'
  androidTestImplementation 'com.android.support.test:runner:1.0.1'
  androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'
}