try to use webrtc throw exception

[clarkshu1016]

FATAL EXCEPTION: main
Process: it.rfazi.webrtcexample, PID: 22547
java.lang.UnsatisfiedLinkError: dlopen failed: library "libjingle_peerconnection_so.so" not found
at java.lang.Runtime.loadLibrary0(Runtime.java:1081)
at java.lang.Runtime.loadLibrary0(Runtime.java:1003)
at java.lang.System.loadLibrary(System.java:1765)
at org.webrtc.NativeLibrary$DefaultLoader.load(NativeLibrary.java:20)
at org.webrtc.NativeLibrary.initialize(NativeLibrary.java:41)
at org.webrtc.PeerConnectionFactory.initialize(PeerConnectionFactory.java:296)
at it.rfazi.webrtcexample.MainActivity.initWebRTC(MainActivity.kt:49)
at it.rfazi.webrtcexample.MainActivity.onCreate(MainActivity.kt:31)
at android.app.Activity.performCreate(Activity.java:9002)
at android.app.Activity.performCreate(Activity.java:8980)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1526)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:4030)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:4235)
at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:112)
at android.app.servertransaction.TransactionExecutor.executeNonLifecycleItem(TransactionExecutor.java:174)
at android.app.servertransaction.TransactionExecutor.executeTransactionItems(TransactionExecutor.java:109)
at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:81)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2636)
at android.os.Handler.dispatchMessage(Handler.java:107)
at android.os.Looper.loopOnce(Looper.java:232)
at android.os.Looper.loop(Looper.java:317)
at android.app.ActivityThread.main(ActivityThread.java:8705)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:580)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:886)

[rfazi]

Have you included 'libs' folder in the project?