Android Webview Server Error
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other. Join them; it only takes a minute: Sign up Detecting Webview Error and Show Message up vote 13 down vote favorite 3 I'd like to show an error message when there is an error loading a webview page (No connection). This is what I have so far, without the error handling code: public class TrackerPage extends Activity
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{ // @Override private WebView webview; private ProgressDialog progressDialog; private boolean error; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); // Get rid of the android title bar requestWindowFeature(Window.FEATURE_NO_TITLE); // Set the XML layout setContentView(R.layout.tracker_page); // Bundle objectbundle = this.getIntent().getExtras(); webview = (WebView) findViewById(R.id.tracker); final Activity activity = this; // Enable JavaScript and lets the browser go back webview.getSettings().setJavaScriptEnabled(true); webview.canGoBack(); webview.setWebViewClient(new WebViewClient() { public boolean shouldOverrideUrlLoading(WebView view, String url) { view.loadUrl(url); return true; } public void onLoadResource(WebView view, String url) { // Check to see if there is a progress dialog if (progressDialog == null) { // If no progress dialog, make one and set message progressDialog = new ProgressDialog(activity); progressDialog.setMessage("Loading please wait..."); progressDialog.show(); // Hide the webview while loading webview.setEnabled(false); } } public void onPageFinished(WebView view, String url) { // Page is done loading; // hide the progress dialog and show the webview if (progressDialog.isShowing()) { progressDialog.dismiss(); progressDialog = null; webview.setEnabled(true); } } }); // The URL that webview is loading webview.loadUrl("http://url.org/"); } } How would I do this? android user-interface error-hand
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Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, android webview javascript interface helping each other. Join them; it only takes a minute: Sign up How can I check from Android WebView if a page is a “404 page not found”? up vote 17 down vote favorite 4 I want to http://stackoverflow.com/questions/6392318/detecting-webview-error-and-show-message check a "404 page not found" from a WebView and if it's a 404 then I revert to the previous page. Ty for your help EDIT also the webpages I want to see are pure .jpg 1.jpg 2.jpg 3.jpg but I have no info of how many images exist. So if anyone can propose another method, he is welcome to do so. android webview share|improve this question edited Sep 6 '12 at 13:34 S.L. Barth 5,209113249 http://stackoverflow.com/questions/3181843/how-can-i-check-from-android-webview-if-a-page-is-a-404-page-not-found asked Jul 5 '10 at 19:56 weakwire 6,95464072 You may want to check out this thread from the android-developers group. –Tim Kryger Jul 5 '10 at 21:06 add a comment| 7 Answers 7 active oldest votes up vote -3 down vote accepted Attach a WebViewClient to your WebView, where you override onReceivedError() to find out about the 404 response -- though that will probably be returned as ERROR_FILE_NOT_FOUND. share|improve this answer answered Jul 5 '10 at 21:01 CommonsWare 590k7914021463 11 HTTP status errors are not reported over the onReceivedError method. See the documentation –Mannaz Aug 9 '11 at 10:51 The documentation you linked to does not agree with you. The ERROR_ constants are for various HTTP errors (e.g., ERROR_FILE_NOT_FOUND). –CommonsWare Aug 9 '11 at 11:32 5 The Paragraph says "The docs are wrong in this case. We'll update the docs to say that the errors are not HTTP errors but are unrecoverable resource errors (file not found, no network connection, server not found for the main resource, etc.).". So I guess the "Fixed in Froyo" comment is about the documentation. I'm trying this on API Level 8 and it does not recieve HTTP status errors. –Mannaz Aug 9 '11 at 12:12 4 @Mannaz thanks for the pointer! it saved me from continuing to bang my head against this annoying issue.