private WebView mWebView;

  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    setContentView(R.layout.activity_fullscreen);

    mWebView = (WebView) findViewById(R.id.webView1);
 // Enable Javascript
    WebSettings webSettings = mWebView.getSettings();
    webSettings.setJavaScriptEnabled(true);
    webSettings.setDomStorageEnabled(true);
    mWebView.setWebContentsDebuggingEnabled(true);
    mWebView.getSettings().setPluginState(PluginState.ON);
    mWebView.getSettings().setAllowFileAccess(true);
    mWebView.getSettings().setAllowContentAccess(true);
    mWebView.getSettings().setAllowFileAccessFromFileURLs(true);
    mWebView.getSettings().setAllowUniversalAccessFromFileURLs(true);
    .
    .

mWebView.loadUrl("file:///android_asset/www/18.html");