Los mejores fragmentos de código de Java que utilizan WebView.setWebViewClient

MyAppWebViewClient.java

package com.example.alfa.tutoriales(Esto lo cambia por el nombre tu tu App);

import android.content.Intent;
import android.net.Uri;
import android.webkit.WebView;
import android.webkit.WebViewClient;

// INI AGREGADO
public class MyAppWebViewClient extends WebViewClient {
@Override
 public boolean shouldOverrideUrlLoading(WebView view, String url) {
if(url.startsWith("tel:")){
Intent intent = new Intent(Intent.ACTION_DIAL);
intent.setData(Uri.parse(url));
startActivity(intent);
return true;
}
Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(url));
 view.getContext().startActivity(intent);
 return true;
 }
}
// FIN AGREGADO

Android WebView inicia el navegador al llamar a loadurl

@Override
protected void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  setContentView(R.layout.activity_dedline);

  WebView myWebView = (WebView) findViewById(R.id.webView1);
  myWebView.setWebViewClient(new WebViewClient());
  myWebView.loadUrl("https://google.com");
}

WebViewActivity.onCreate(...)

 @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_webview);

    final PullScrollView refreshLayout = (PullScrollView) findViewById(R.id.refresh_layout);
    final WebView webView = (WebView) findViewById(R.id.webview);
    webView.getSettings().setjаvascriptEnabled(true);
    webView.setWebChromeClient(new WebChromeClient());
    webView.setWebViewClient(new WebViewClient());
    //设置头部加载颜色 - Establecer el color de carga de la cabeza
    refreshLayout.setHeaderViewColor(R.color.colorAccent, R.color.dark ,android.R.color.white);
    refreshLayout.setRefreshProgressStyle(ProgressStyle.LineSpinFadeLoader);
    refreshLayout.setRefreshListener(new PullScrollView.RefreshListener() {
      @Override
      public void onRefresh() {
        new Handler().postDelayed(new Runnable() {
          @Override
          public void run() {
            webView.loadUrl("http://www.stay4it.com");
            refreshLayout.setRefreshCompleted();
          }
        }, 1000);
      }
    });

    refreshLayout.refreshWithPull();
  }
}

¿Cómo cargar un url para webview en Android?

WebSettings settings = webview.getSettings();
settings.setjаvascriptEnabled(true);
webview.setScrollBarStyle(WebView.SCROLLBARS_OUTSIDE_OVERLAY);
webview.setWebViewClient(new WebViewClient() {
  public boolean shouldOverrideUrlLoading(WebView view, String url) {
    Log.i(TAG, "Processing webview url click...");
webview.loadUrl("http://www.google.com");

Android: carga de la salida de WebView en el Widget de la aplicación

  webView = new WebView(this);
  webView.setVerticalScrollBarEnabled(false);
  webView.setWebViewClient(client);
  winManager.addView(frame, params);
  webView.loadUrl("http://stackoverflow.com");
private final WebViewClient client = new WebViewClient() {
  public void onPageFinished(WebView view, String url) {
    final Point p = new Point();

Autorización Oauth 2.0 para LinkedIn en Android

webView.setWebViewClient(new WebViewClient(){
   @Override
   public void onPageFinished(WebView view, String url) {
      webView.loadUrl(authorizationUrl);
Log.i("Authorize","Loading Auth Url: "+authUrl);
webView.loadUrl(authUrl);

¿Cómo puedo obtener el evento onclick en webview en Android?

webView.setOnTouchListener(this);
client = new WebViewClient(){ 
  @Override public boolean shouldOverrideUrlLoading(WebView view, String url) { 
    handler.sendEmptyMessage(CLICK_ON_URL);
webView.setWebViewClient(client);
webView.setVerticalScrollBarEnabled(false);
webView.loadUrl("http://www.example.com");

¿Es posible acceder a los datos del formulario HTML POSTADOS a través de un WebView?

setContentView(R.layout.browser);
WebView browser = (WebView)findViewById(R.id.browser_window);
browser.getSettings().setjаvascriptEnabled(true);
browser.addjаvascriptInterface(new jаvascriptInterface(), "HTMLOUT");
browser.setWebViewClient(new WebViewClient() {
@Override
public boolean shouldOverrideUrlLoading(WebView view, String url) {

inyectar CSS a un sitio con webview en Android

webView.getSettings().setjаvascriptEnabled(true);
webView.setWebViewClient(new WebViewClient() {
webView.loadUrl("https://www.google.com");
  inputStream.close();
  String encoded = Base64.encodeToString(buffer, Base64.NO_WRAP);
  webView.loadUrl("jаvascript:(function() {" +
      "var parent = document.getElementsByTagName('head').item(0);" +
      "var style = document.createElement('style');" +

¿Cómo configurar diferentes títulos para el cuadro de diálogo de alerta cuando se carga la página WebView?

super.onCreate(savedInstanceState);
WebView web=new WebView(this);
web.setWebViewClient(new WebViewClient(){
web.loadUrl("http://www.google.com");
builder=new AlertDialog.Builder(this);
builder.setView(web);

Android WebView no carga la URL

public class WebViewDemo extends Activity {
 private WebView webView;
 Activity activity ;
 private ProgressDialog progDailog; 
 @SuppressLint("NewApi")
 @Override
 public void onCreate(Bundle savedInstanceState) {
   super.onCreate(savedInstanceState);
   setContentView(R.layout.main);
   activity = this;
   progDailog = ProgressDialog.show(activity, "Loading","Please wait...", true);
   progDailog.setCancelable(false);
   webView = (WebView) findViewById(R.id.webview_compontent);
   webView.getSettings().setjаvascriptEnabled(true);     
   webView.getSettings().setLoadWithOverviewMode(true);
   webView.getSettings().setUseWideViewPort(true);        
   webView.setWebViewClient(new WebViewClient(){
     @Override
     public boolean shouldOverrideUrlLoading(WebView view, String url) {
       progDailog.show();
       view.loadUrl(url);
       return true;                
     }
     @Override
     public void onPageFinished(WebView view, final String url) {
       progDailog.dismiss();
     }
   });
   webView.loadUrl("https://tutorialesenlinea.es");
   }

WebActivity.initWebView()

private void initWebView() {
  webView.setWebChromeClient(new WebChromeClient() {
    @Override
    public void onprogressChanged(WebView view, int newProgress) {
      super.onprogressChanged(view, newProgress);
      if (newProgress == 100) {
        swipeRefreshLayout.setRefreshing(false);
        if (contentLayout != null)
          contentLayout.showContent();
        if (webView != null)
          url = webView.getUrl();
      } else {
        if (contentLayout != null)
          contentLayout.showLoading();
      }
    }
  });
  webView.setWebViewClient(new WebViewClient());
  webView.getSettings().setBuiltInZoomControls(true);
  webView.getSettings().setjаvascriptEnabled(true);
  webView.getSettings().setDomStorageEnabled(true);
  webView.getSettings().setDatabaseEnabled(true);
  webView.getSettings().setCacheMode(WebSettings.LOAD_CACHE_ELSE_NETWORK);
  webView.getSettings().setAppCacheEnabled(true);
  webView.loadUrl(url);
}

DictionaryFragment.onViewCreated(...)

def = (TextView) view.findViewById(R.id.tv_def);
wikiWebView = (WebView) view.findViewById(R.id.wv_wiki);
wikiWebView.getSettings().setLoadsImagesAutomatically(true);
wikiWebView.setWebViewClient(new WebViewClient());
wikiWebView.getSettings().setjаvascriptEnabled(true);
wikiWebView.setScrollBarStyle(View.SCROLLBARS_INSIDE_OVERLAY);

¿Cómo obtener contenido html de una vista web?

setContentView(R.layout.webview);
final WebView webview = (WebView) findViewById(R.id.browser);
webview.getSettings().setjаvascriptEnabled(true);
webview.addjаvascriptInterface(new MyjаvascriptInterface(this), "HtmlViewer");
webview.setWebViewClient(new WebViewClient() {
  @Override
  public void onPageFinished(WebView view, String url) {
    webview.loadUrl("jаvascript:window.HtmlViewer.showHTML" +
        "('<html>'+document.getElementsByTagName('html')[0].innerHTML+'</html>');");
webview.loadUrl("http://android-in-action.com/index.php?post/" +
    "Common-errors-and-bugs-and-how-to-solve-avoid-them");

webChromeClient abre el enlace en el navegador

WebView web = (WebView)findViewById(R.id.web);
WebSettings webSettings = web.getSettings();
webSettings.setjаvascriptEnabled(true);
webSettings.setGeolocationEnabled(true);
webSettings.setSupportMultipleWindows(true); // This forces ChromeClient enabled.    

web.setWebChromeClient(new WebChromeClient(){
  @Override
  public void onReceivedTitle(WebView view, String title) {
     getWindow().setTitle(title); //Set Activity tile to page title.
  }
});

web.setWebViewClient(new WebViewClient() {
  @Override
  public boolean shouldOverrideUrlLoading(WebView view, String url) {
    view.loadUrl(url);
    return false;
  }
});

Que puede reemplazar la función capturePicture

webView.loadUrl("http://developer.android.com/reference/packages.html");
webView.setWebViewClient(new WebViewClient() {

¿Cómo escuchar un WebView terminando de cargar una URL?

private void setupWebViewClient() {
  webView.setWebViewClient(new WebViewClient() {
    private int running = 0; // Could be public if you want a timer to check.

    @Override
    public boolean shouldOverrideUrlLoading(WebView webView, String urlNewString) {
      running++;
      webView.loadUrl(urlNewString);
      return true;
    }

    @Override
    public void onPageStarted(WebView view, String url, Bitmap favicon) {
      running = Math.max(running, 1); // First request move it to 1.
    }

    @Override
    public void onPageFinished(WebView view, String url) {
      if(--running == 0) { // just "running--;" if you add a timer.
        // TODO: finished... if you want to fire a method.
      }
    }
  });
}

Abre la URL en WebView en lugar del navegador predeterminado

mWebView.setWebViewClient(new WebViewClient() {
  @Override
  public boolean shouldOverrideUrlLoading(WebView view, String url) {
mWebView.getSettings().setjаvascriptEnabled(true);   
mWebView.getSettings().setSupportZoom(true);      
mWebView.getSettings().setBuiltInZoomControls(true);
  String url = getURL();
  if (mWebView != null && url != null) {
    mWebView.loadUrl(url);

¿Cómo puedo realizar una captura de pantalla de una vista web mediante programación, capturando la página completa?

super.onCreate(savedInstanceState);
w = new WebView(this);
w.setWebViewClient(new WebViewClient()
w.loadUrl("http://google.com/search?p=android");

Muestra una fórmula matemática atractiva en Android

setContentView(R.layout.main);
final WebView w = (WebView) findViewById(R.id.webview);
w.getSettings().setjаvascriptEnabled(true);
w.getSettings().setBuiltInZoomControls(true);
w.loadDataWithBaseURL("http://bar", "<script type='text/x-mathjax-config'>" 
    + "MathJax.Hub.Config({ "
    + "src='file:///android_asset/MathJax/MathJax.js'"
    + "></script><span id='math'></span>", "text/html", "utf-8", "");
w.setWebViewClient(new WebViewClient() {
  @Override
  public void onPageFinished(WebView view, String url) {
    super.onPageFinished(view, url);
    if (!url.startsWith("http://bar")) return;
    w.loadUrl("jаvascript:document.getElementById('math').innerHTML='\\\\["
        + doubleEscapeTeX("sample string") + "\\\\]';");
    w.loadUrl("jаvascript:MathJax.Hub.Queue(['Typeset',MathJax.Hub]);");

Alerta no aparece desde la vista web en Android?

setContentView(R.layout.main);
   WebView webview = (WebView) findViewById(R.id.webview);
   WebSettings webSettings = webview.getSettings();
   webSettings.setjаvascriptEnabled(true);
   webSettings.setBuiltInZoomControls(true);
   webview.requestFocusFromTouch();
   webview.setWebViewClient(new WebViewClient());
   webview.setWebChromeClient(new WebChromeClient());    
  webview.loadUrl("file:///android_asset/test.html");