Τη Παρασκευή, 23 Νοεμβρίου 2012 8:38:22 π.μ. UTC+2, ο χρήστης Antonis
Kanaris έγραψε:
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> Hello.I want to make an application for get web data every x secs i try
> this code but no work...where is the mistake?Thanks.
>
> public class ReadWebpageAsyncTask extends Activity {
> private TextView textView;
>
> private final Handler handler = new Handler();
>
> @Override
> public void onCreate(Bundle savedInstanceState) {
> super.onCreate(savedInstanceState);
> setContentView(R.layout.activity_read_webpage_async_task);
> textView = (TextView) findViewById(R.id.textView1);
> }
>
> private class DownloadWebPageTask extends AsyncTask<String, Void, String> {
> @Override
> protected String doInBackground(String... urls) {
> String response = "";
>
> .................
> } catch (Exception e) {
> e.printStackTrace();
> }
> }
> return response;
> }
>
> @Override
> protected void onPostExecute(String result) {
> textView.setText(result);
> }
> }
>
> public void readWebpage(View view) {
>
> DownloadWebPageTask task = new DownloadWebPageTask();
> task.execute(new String[] { "http://www.mysite.net/LEDstate.txt"; });
>
> }
>
> private final Runnable refreshRunnable = new Runnable() {
> public void run() {
>
> DownloadWebPageTask task = new DownloadWebPageTask();
> task.execute(new String[] { "http://www.mysite.net/LEDstate.txt"; });
> //new RefreshTask(param1, param2).execute();
> long TIME_DELAY= 3000;
> handler.postDelayed(refreshRunnable, TIME_DELAY);
> }
> };
>
>
> In main activity i have one text and two buttons the first button on
> click call readwebpage and work and the second button call refreshRunable
> and no work... i call refreshRunable with onClick....
>
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