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POAndroid blank WebView after Application Restart
 

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  1. POAndroid blank WebView after Application Restart
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    <p>I have a problem with my WebView. When I start the Application with Eclispe it works fine on my Device (Samsung Galaxy S2, Android 4.1.2/API 16). It loads the Website I've passed with webview.loadUrl('my url'); and also graps some javascript alerts and stuff. When I leave the application an restart it, it only works once more. When I restart the App second time it wont load any URL. I guess that it has something to do with savedInstanceState, but even if I set that Bundle to null at the very beginning of the Activities, it does not reload the URL.</p> <pre><code>protected void onCreate(Bundle savedInstanceState) { savedInstanceState=null; super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); browser = (WebView) findViewById(R.id.browser); ... browser.loadUrl(url); } </code></pre> <p>I also tried to remove all Cookies with</p> <pre><code> CookieSyncManager.createInstance(this); CookieManager cookieManager = CookieManager.getInstance(); cookieManager.removeAllCookie(); </code></pre> <p>Still having the same Bug. I allready read much solved posts and questions about WebView in Android, but nothing helped. Does anyboby have any idea? I am confused...</p> <p>Whole onCreate Method:</p> <pre><code>@SuppressLint("SetJavaScriptEnabled") @Override protected void onCreate(Bundle savedInstanceState) { savedInstanceState=null; super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); browser = (WebView) findViewById(R.id.browser); // if (savedInstanceState != null) { // browser.restoreState(savedInstanceState); // } /* JavaScript must be enabled if you want it to work, obviously */ browser.getSettings().setJavaScriptEnabled(true); final Context myApp = this; final Communicator c = new Communicator(); /* WebChromeClient must be set BEFORE calling loadUrl! */ browser.setWebChromeClient(new WebChromeClient() { @Override public boolean onJsAlert(WebView view, String url, String message, final android.webkit.JsResult result) { Log.d(TAG, "onJsAlert"); try { JSONObject json = new JSONObject(message); if (json.has("func")) { if (json.getString("func").equals("onUserInfos")) { c.onUserInfos(json); Log.d(TAG, "JSON verarbeitet"); } } return true; } catch (JSONException e) { // TODO Auto-generated catch block e.printStackTrace(); } // TODO Log.v(TAG, "JavaScript Alert empfangen"); new AlertDialog.Builder(myApp) .setTitle("javaScript dialog") .setMessage(message) .setPositiveButton(android.R.string.ok, new AlertDialog.OnClickListener() { public void onClick(DialogInterface dialog, int which) { result.confirm(); } }).setCancelable(false).create().show(); return false; }; }); // Reset all Cookies CookieSyncManager.createInstance(this); CookieManager cookieManager = CookieManager.getInstance(); cookieManager.removeAllCookie(); /* load a web page which uses the alert() function */ String url = c.getGuiURL(); browser.loadUrl(url); } </code></pre>
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