Hello.I am new developer android and i want to make an application read
data from my webserver and control my arduino board...
I start with this example .....for get data...ok work but only when click
button....i want to convert to automatic update.How i make this?.
public class ReadWebpageAsyncTask extends Activity {
private TextView textView;
/** Called when the activity is first created. */
@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 = "";
for (String url : urls) {
DefaultHttpClient client = new DefaultHttpClient();
HttpGet httpGet = new HttpGet(url);
try {
HttpResponse execute = client.execute(httpGet);
InputStream content = execute.getEntity().getContent();
BufferedReader buffer = new BufferedReader(new
InputStreamReader(content));
String s = "";
while ((s = buffer.readLine()) != null) {
response += s;
}
} 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"; });
}
}
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