webview와 web과 Android Bridge를 이용하여 통신 * 인터넷접속 퍼미션 설정 (AndroidManifest.xml) * 메인 액티비티 (MainActivity.java) @SuppressLint({"SetJavaScriptEnabled", "JavascriptInterface"}) public class MainActivity extends AppCompatActivity { private WebView webView; TextView mTextView; private WebSettings settings; Button mButton; private final Handler handler = new Handler(); SimpleDateFormat dayTime = new SimpleD..