안드로이드 웹보기 예제 URL

http://www.viralandroid.com/2015/08/simple-android-webview-example.html

오류

protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

    WebView myWebView = (WebView)
            findViewById(R.id.myWebView);
    myWebView.loadUrl("http://www.viw.co.kr");

<WebView
    android:id="@+id/myWebView"
    android:layout_width="375dp"
    android:layout_height="400dp"
    tools:layout_editor_absoluteX="7dp"
    tools:layout_editor_absoluteY="55dp"
    xmlns:android="http://schemas.android.com/apk/res/android"/>