Java와 Javascript간 통신

gistfile1.txt

# Android

mWebView.getSettings().setJavaScriptEnabled(true);
mWebView.addJavascriptInterface(new JsInterface(), "androidJs");

public class JsInterface {
  @JavascriptInterface
  public void callback(String message) {
    // 자바스크립트에서 호출 됨
  }
}


# Javascript

<script>
function clicked() {
    // alert('hello');
    androidJs.callback('hello');
}
</script>

<button onclick="clicked()">눌러라</button>