StackOverflow2013

Note that there are some explanatory texts on larger screens.

plurals

POProgess Dialog not working perfectly in android using handler
text
Body
copied!<p>I am working in one app where i have assign progress dialog but after complete the loading also the listview is not visible after clicking some edit box the list view is visible..</p> <p>here is my code:</p> <pre><code> new Thread() { public void run() { try { URL userurl = new URL("https://api....."); BufferedReader in = new BufferedReader(new InputStreamReader(userurl.openStream())); String inputLine; String strJson1 = ""; while ((inputLine = in.readLine()) != null) { strJson1 += inputLine; } System.out.println("buffer"+strJson1); jsonobj = new JSONObject(strJson1); questionarray = jsonobj.getJSONArray("items"); } catch (MalformedURLException tagobject) { // TODO Auto-generated catch block tagobject.printStackTrace(); } catch (IOException tagobject) { // TODO Auto-generated catch block tagobject.printStackTrace(); }catch (JSONException e) { // TODO Auto-generated catch block e.printStackTrace(); } handler.sendEmptyMessage(0); } }.start(); handler = new Handler() { @Override public void handleMessage(Message msg) { try { for (int i = 0; i<questionarray.length(); i++) { ///Perform the operation get the data from WebService... } catch(Exception e) { System.out.println(e); } } }; </code></pre> <p>error:</p> <pre><code>02-23 16:32:10.178: E/AndroidRuntime(478): FATAL EXCEPTION: AsyncTask #1 02-23 16:32:10.178: E/AndroidRuntime(478): java.lang.RuntimeException: An error occured while executing doInBackground() 02-23 16:32:10.178: E/AndroidRuntime(478): at android.os.AsyncTask$3.done(AsyncTask.java:200) 02-23 16:32:10.178: E/AndroidRuntime(478): at java.util.concurrent.FutureTask$Sync.innerSetException(FutureTask.java:274) 02-23 16:32:10.178: E/AndroidRuntime(478): at java.util.concurrent.FutureTask.setException(FutureTask.java:125) 02-23 16:32:10.178: E/AndroidRuntime(478): at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:308) 02-23 16:32:10.178: E/AndroidRuntime(478): at java.util.concurrent.FutureTask.run(FutureTask.java:138) 02-23 16:32:10.178: E/AndroidRuntime(478): at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1088) 02-23 16:32:10.178: E/AndroidRuntime(478): at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:581) 02-23 16:32:10.178: E/AndroidRuntime(478): at java.lang.Thread.run(Thread.java:1019) 02-23 16:32:10.178: E/AndroidRuntime(478): Caused by: android.view.ViewRoot$CalledFromWrongThreadException: Only the original thread that created a view hierarchy can touch its views. 02-23 16:32:10.178: E/AndroidRuntime(478): at android.view.ViewRoot.checkThread(ViewRoot.java:2932) 02-23 16:32:10.178: E/AndroidRuntime(478): at android.view.ViewRoot.invalidateChild(ViewRoot.java:642) 02-23 16:32:10.178: E/AndroidRuntime(478): at android.view.ViewRoot.invalidateChildInParent(ViewRoot.java:668) 02-23 16:32:10.178: E/AndroidRuntime(478): at android.view.ViewGroup.invalidateChild(ViewGroup.java:2511) 02-23 16:32:10.178: E/AndroidRuntime(478): at android.view.View.invalidate(View.java:5279) 02-23 16:32:10.178: E/AndroidRuntime(478): at android.widget.AbsListView.resetList(AbsListView.java:1120) 02-23 16:32:10.178: E/AndroidRuntime(478): at android.widget.ListView.resetList(ListView.java:511) 02-23 16:32:10.178: E/AndroidRuntime(478): at android.widget.ListView.setAdapter(ListView.java:440) 02-23 16:32:10.178: E/AndroidRuntime(478): at com.example.stack.MainActivity.Callpagedetails(MainActivity.java:266) 02-23 16:32:10.178: E/AndroidRuntime(478): at com.example.stack.MainActivity$GetTask.doInBackground(MainActivity.java:104) 02-23 16:32:10.178: E/AndroidRuntime(478): at com.example.stack.MainActivity$GetTask.doInBackground(MainActivity.java:1) 02-23 16:32:10.178: E/AndroidRuntime(478): at android.os.AsyncTask$2.call(AsyncTask.java:185) 02-23 16:32:10.178: E/AndroidRuntime(478): at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:306) 02-23 16:32:10.178: E/AndroidRuntime(478): ... 4 more 02-23 16:32:11.048: E/WindowManager(478): Activity com.example.stack.MainActivity has leaked window com.android.internal.policy.impl.PhoneWindow$DecorView@4051f750 that was originally added here 02-23 16:32:11.048: E/WindowManager(478): android.view.WindowLeaked: Activity com.example.stack.MainActivity has leaked window com.android.internal.policy.impl.PhoneWindow$DecorView@4051f750 that was originally added here 02-23 16:32:11.048: E/WindowManager(478): at android.view.ViewRoot.<init>(ViewRoot.java:258) 02-23 16:32:11.048: E/WindowManager(478): at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:148) 02-23 16:32:11.048: E/WindowManager(478): at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:91) 02-23 16:32:11.048: E/WindowManager(478): at android.view.Window$LocalWindowManager.addView(Window.java:424) 02-23 16:32:11.048: E/WindowManager(478): at android.app.Dialog.show(Dialog.java:241) 02-23 16:32:11.048: E/WindowManager(478): at android.app.ProgressDialog.show(ProgressDialog.java:107) 02-23 16:32:11.048: E/WindowManager(478): at android.app.ProgressDialog.show(ProgressDialog.java:90) 02-23 16:32:11.048: E/WindowManager(478): at android.app.ProgressDialog.show(ProgressDialog.java:85) 02-23 16:32:11.048: E/WindowManager(478): at com.example.stack.MainActivity$GetTask.onPreExecute(MainActivity.java:96) 02-23 16:32:11.048: E/WindowManager(478): at android.os.AsyncTask.execute(AsyncTask.java:391) 02-23 16:32:11.048: E/WindowManager(478): at com.example.stack.MainActivity.onCreate(MainActivity.java:88) 02-23 16:32:11.048: E/WindowManager(478): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047) 02-23 16:32:11.048: E/WindowManager(478): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1611) 02-23 16:32:11.048: E/WindowManager(478): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1663) 02-23 16:32:11.048: E/WindowManager(478): at android.app.ActivityThread.access$1500(ActivityThread.java:117) 02-23 16:32:11.048: E/WindowManager(478): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:931) 02-23 16:32:11.048: E/WindowManager(478): at android.os.Handler.dispatchMessage(Handler.java:99) 02-23 16:32:11.048: E/WindowManager(478): at android.os.Looper.loop(Looper.java:123) 02-23 16:32:11.048: E/WindowManager(478): at android.app.ActivityThread.main(ActivityThread.java:3683) 02-23 16:32:11.048: E/WindowManager(478): at java.lang.reflect.Method.invokeNative(Native Method) 02-23 16:32:11.048: E/WindowManager(478): at java.lang.reflect.Method.invoke(Method.java:507) 02-23 16:32:11.048: E/WindowManager(478): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:839) 02-23 16:32:11.048: E/WindowManager(478): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597) 02-23 16:32:11.048: E/WindowManager(478): at dalvik.system.NativeStart.main(Native Method) </code></pre> <p>Could anybody help me..</p>

Querying!

Guidance

An individual column

Larger individual text columns get their own page to allow for proper reading.

SQuiL has stopped working due to an internal error.

If you are curious you may find further information in the browser console, which is accessible through the devtools (F12).

Reload