| java Programming Glossary: downloadfilestaskandroid - Caused by: android.view.ViewRootImpl$CalledFromWrongThreadException [duplicate] http://stackoverflow.com/questions/11204079/android-caused-by-android-view-viewrootimplcalledfromwrongthreadexception  R.layout.main if mWifi.isConnected   ndefMsg1 ndefMsg  new DownloadFilesTask .execute  ndefMsg null  else    AlertDialog.Builder dialog new.. dialog int whichButton      dialog.show    private class DownloadFilesTask extends AsyncTask Void Void Void protected void onPostExecute.. 
 How to use AsyncTask http://stackoverflow.com/questions/18289623/how-to-use-asynctask  you want for Params Progress and Result. private class DownloadFilesTask extends AsyncTask String Integer Long these Strings or String.. is used in the execute param method of AsyncTask . new DownloadFilesTask .execute Somestring some String as param Be aware that this.. will actually have a return value long myLong new DownloadFilesTask .execute somestring .get The .get call causes the UI thread.. 
 How to execute web request in its own thread? http://stackoverflow.com/questions/2022170/how-to-execute-web-request-in-its-own-thread  you're trying using code something list this private class DownloadFilesTask extends AsyncTask String List Product Integer protected List.. 
 |