Develop Reference

WebViewClient shouldOverrideUrlLoading doesn't seem to work

I'm trying to listen to url changes from a WebView client and just log the updates. I'm navigating through my webView and shouldOverrideUrlLoading() is never called. I don't know why.
Here is my code :
public class WebViewActivity extends Activity {
private WebView webView;
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.webview);
Intent i = getIntent();
String url= i.getStringExtra("url");
webView = (WebView) findViewById(R.id.webview);
webView.getSettings().setJavaScriptEnabled(true);
webView.setWebViewClient(new WebViewClient() {
#Override
public boolean shouldOverrideUrlLoading(WebView view, String url) {
String currentUrl = url;
Log.i("currentUrl",": " + currentUrl);
view.loadUrl(url);
return true;
}
});
webView.loadUrl(url);
}
}

How to get url after loading page in webview

I need to take url after loading a web page in my web view to check condition and if I use onPageFinished() method, then where to use.

Just set a webview client and override onpagefinished as shown below
public class MainActivity extends AppCompatActivity {
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
WebView webView = findViewById(R.id.webview);
webView.loadUrl("http://www.google.com");
webView.setWebViewClient(new WebViewClient(){
#Override
public void onPageFinished(WebView view, String url) {
super.onPageFinished(view, url);
Toast.makeText(getApplicationContext(), url,Toast.LENGTH_LONG).show();
}
});
}
}
inside onpagefinished you have the url

insert the webview in android fragment

I am not able to insert a fragment in a tab android, would help when open, nothing appears is blank –
public class AndroidMobileAppSampleActivity extends Activity {
/** Called when the activity is first created. */
#Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
WebView mainWebView = (WebView) findViewById(R.id.mainWebView);
WebSettings webSettings = mainWebView.getSettings();
webSettings.setJavaScriptEnabled(true);
mainWebView.setWebViewClient(new MyCustomWebViewClient());
mainWebView.setScrollBarStyle(View.SCROLLBARS_INSIDE_OVERLAY);
mainWebView.loadUrl("http://mobile-sample-app.heroku.com");
}
private class MyCustomWebViewClient extends WebViewClient {
#Override
public boolean shouldOverrideUrlLoading(WebView view, String url) {
view.loadUrl(url);
return true;
}
}
}

Correct code:
public boolean shouldOverrideUrlLoading(WebView view, String url) {
// view.loadUrl(url); REMOVE!!!
return false;
}

facebook like on webview android shows blank screen after login

I utilize the facebook html like for my app to open a webview like this https://developers.facebook.com/docs/plugins/like-button/
The webview shows a Like and Share button, but after I login to facebook, it doesnt return to the Like and Share button, but a blank page, the share button works fine.
So how do I return to the facebook like url after logging in?
public class LikeFacebookActivity extends BaseActivity {
private WebView webView;
private final String URL = "facebookIDhere";
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.like_facebook_webview);
webView = (WebView) findViewById(R.id.webView1);
webView.getSettings().setJavaScriptEnabled(true);
webView.getSettings().setAppCacheEnabled(true);
webView.getSettings().setJavaScriptCanOpenWindowsAutomatically(true);
showLoading();
webView.setWebViewClient(new MyWebViewClient());
webView.loadUrl(URL);
ActionBar actionbar = getActionBar();
actionbar.setCustomView(R.layout.actionbar_top_like_facebook);
actionbar.setDisplayOptions(ActionBar.DISPLAY_SHOW_CUSTOM);
Button backButton = (Button) findViewById(R.id.buttonGeneralBack);
backButton.setOnClickListener(new OnClickListener() {
#Override
public void onClick(View v) {
onBackPressed();
}
});
}
#Override
public void onBackPressed() {
finish();
overridePendingTransition(R.anim.animation_slide_from_left,
R.anim.animation_slide_to_right);
}
public class MyWebViewClient extends WebViewClient {
#Override
public boolean shouldOverrideUrlLoading(WebView view, String url) {
if(url.contains("something")) return true;
return false;
}
public void onPageFinished(WebView view, String url) {
hideLoading();
}
}
}

I have solved this, just use system.out.println to see which page does facebook load after loggin in
public class MyWebViewClient extends WebViewClient {
#Override
public boolean shouldOverrideUrlLoading(WebView view, String url) {
if(url.contains("something")) return true;
return false; //Default is to not override unless our condition is met.
}
public void onPageFinished(WebView view, String url) {
hideLoading();
//String webUrl = webView.getUrl();
//System.out.println(webUrl);
if(url.startsWith("https://www.facebook.com/plugins/close_popup.php#_=_")){
String redirectUrl = URL;
view.loadUrl(redirectUrl);
return;
}
super.onPageFinished(view, url);
}
}

android WebView and web browser

I am opening a URL in web view. I want to prevent it from opeing in web browser. User may click anything it should be with in that web view. Can set that ? How ?
public class AcDetails extends Activity {
private String url;
#Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.acdetails);
url = getIntent().getExtras().getString("AC");
getWindow().setLayout(LayoutParams.FILL_PARENT, LayoutParams.FILL_PARENT);
WebView wv = (WebView) findViewById(R.id.webac);
wv.getSettings().setJavaScriptEnabled(true);
wv.loadUrl(url);
}
}

No need to write a new class, just do it in-line:
WebView wv = (WebView) findViewById(R.id.webac);
wv.setWebViewClient(new WebViewClient() {
#Override
public boolean shouldOverrideUrlLoading(WebView view, String url) {
view.loadUrl(url);
return false;
}
});
wv.getSettings().setJavaScriptEnabled(true);
wv.loadUrl(url);

http://developer.android.com/resources/tutorials/views/hello-webview.html
You have to write a new class, which should extend the Webviewclient class:
private class HelloWebViewClient extends WebViewClient {
#Override
public boolean shouldOverrideUrlLoading(WebView view, String url) {
view.loadUrl(url);
return true;
}
}
And change your code to:
#Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.acdetails);
url = getIntent().getExtras().getString("AC");
getWindow().setLayout(LayoutParams.FILL_PARENT, LayoutParams.FILL_PARENT);
WebView wv = (WebView) findViewById(R.id.webac);
wv.getSettings().setJavaScriptEnabled(true);
wv.setWebViewClient(new HelloWebViewClient());
wv.loadUrl(url);
}
}