##웹뷰와 자바스크립트 통신
Webview in Android is like hybrid App.
Javascript in webview deals with fuction in native android App.
This is simple html code.
<script type="text/javascript">
function showAndroidToast(toast) {
Android.showToast(toast);
}
</script>
This is From http://202psj.tistory.com/923