Android Studio Build Junitlibs

Apply plugin: ' Com.android.application '

Android {
compilesdkversion
buildtoolsversion "25.0.0"


Sourcesets {
Main {
jnilibs.srcdirs = [' Libs ']
        }
    }

Defaultconfig {
ApplicationID "Com.lt.bottomtabdemo"
Minsdkversion 9
Targetsdkversion 24
Versioncode 1
Versionname "1.0"
}
Buildtypes {
Release {
Minifyenabled false
Proguardfiles getdefaultproguardfile (' proguard-android.txt '), ' proguard-rules.txt '
}
}
}
repositories {
Flatdir {
Dirs ' Libs '
}
}
Dependencies {
compile filetree (include: ' *.jar ', dir: ' Libs ')
compile ' com.android.support:support-v4:25.0.1 '
testcompile ' junit:junit:4.12 '

}

The default Android StudioDefaultconfig node inside the Android node, put the Defaultconfig node out, and then add the Sourcesets node inside the android node.then add the compiler code Testcompile ' junit:junit:4.12 ' in dependencies

Android Studio Build Junitlibs