I have a html5 application that I wrap in a WebView. To store and retrieve
user input values between pages, I use the *localStorage* html5 feature.
It works fine on my Nexus 4 (Android 4.4.4), but it does not work on
Samsung Galaxy Tab 2 (Android 4.3.x) (= nothing happens, but also no error
in logcat). Or, to be more clear: *on Samsung, it does not work if the html
pages are loaded from within the app's asset folder*. It does work though
if I put the pages on a web server, as below in the outcommented line.
However, on Nexus 4, loading from file:///android_asset/ and also if I load
the pages on a desktop browser (Chrome, Firefox) from file:// path, it is
also working.
(I had another user reported the issue on a LG device, so it does not seem
to be Samsung specific).
Below are the settings of the web view.
webView = (WebView)this.findViewById(R.id.webView);
webViewClient = new MyWebViewClient(this);
webViewClient.setSm(sm);
webView.setWebViewClient(webViewClient);
WebSettings webSettings = webView.getSettings();
webSettings.setJavaScriptEnabled(true);
webSettings.setDomStorageEnabled(true);
webView.getSettings().setJavaScriptEnabled(true);
webView.getSettings().setDomStorageEnabled(true);
webView.getSettings().setPluginState(WebSettings.PluginState.ON);
webView.getSettings().setAppCacheEnabled(false);
webView.getSettings().setCacheMode(WebSettings.LOAD_NO_CACHE);
webView.getSettings().setUseWideViewPort(true);
webView.getSettings().setLoadWithOverviewMode(true);
webView.getSettings().setBuiltInZoomControls(false);
webView.getSettings().setSupportZoom(false);
webView.getSettings().setDefaultZoom(WebSettings.ZoomDensity.FAR);
webView.loadUrl("file:///android_asset/01_home.html"); // does NOT work!
// webView.loadUrl("http://192.168.178.33/01_home.html";); // does work!
Local storage code in the pages:
// storingvar data = document.getElementById('data').value;
window.localStorage.setItem((1), data);
// reading
document.getElementById('data').value = window.localStorage.getItem(1);
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