seems the page was reloaded after call goBack(), is there any way to prevent reload page after call goBack() ???
On 11月18日, 下午6时23分, alex <[email protected]> wrote: > I have a problem that when I click back button on a WebView, my > previous page losts all contents updated by JavaScript. > > My steps in WebView was below: > - after Main page loaded, JavaScript starts update contents, like > refresh shoppings with links; > - user will see some shopping lists after updated; > - then user click each link will load new url in same WebView; > - user click back to Main page; > > the problem is when user back to Main page, user cannot see any > shopping updated by JavaScript, they were gone! > I tried my page on IE and FF, both works fine, but had problem on > Android WebView. I'm not sure this issue caused by I'm not set some > settings correctly or other issues. > > My sample code as below: > > // set settings for webview > WebSettings webSettings = web.getSettings(); > webSettings.setBuiltInZoomControls(true); > webSettings.setJavaScriptEnabled(true); > webSettings.setUseWideViewPort(true); > webSettings.setDomStorageEnabled(true); > webSettings.setJavaScriptCanOpenWindowsAutomatically(true); > > // call JavaScript to update shoppings > webView.loadUrl("javascript:addShoppings(" + str + ");"); > > // add interface for callback > webView.addJavascriptInterface(new > BusinessJavaScriptInterface(), "business"); > > final class BusinessJavaScriptInterface > { > public void businessListReceived() > { > ... ... > } > > } > > // handle back key event > public boolean onKeyDown(int keyCode, KeyEvent event) > { > WebView web = (WebView) this.findViewById(R.id.browser); > if (web != null) > { > if ((keyCode == KeyEvent.KEYCODE_BACK) && web.canGoBack()) > { > web.goBack(); > return true; > } > return super.onKeyDown(keyCode, event); > } > return false; > } -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
