Hi all,
I'm trying to realize a little Feed in Android.... The problem is I got an
error and I don't know why.... The problem is on the onClick function inside
onCreate... I got an error connected with the EditText. Does anyone know
why????
Thks
Maurizio
package eu.reply.sytel;
import java.io.IOException;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLConnection;
import android.app.Activity;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;
public class GFeed extends Activity {
static final int SET_FEED = Menu.FIRST;
static final int XML_EXTRACTOR = 1;
private TextView feed_l;
private EditText feed_t;
private Button feed_b;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
// getting the UI IDs
feed_l = (TextView) this.findViewById(R.id.feed_l);
feed_t = (EditText) this.findViewById(R.id.feed_t);
feed_b = (Button) this.findViewById(R.id.feed_b);
// setting on click event on OK button
feed_b.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View arg0) {
String feed_URL = feed_t.getText().toString();
retrieveFeed(feed_URL);
}
});
}
protected void retrieveFeed(String feed_URL) {
try {
URL url = new URL(feed_URL);
URLConnection connection = url.openConnection();
HttpURLConnection httpConnection = (HttpURLConnection) connection;
int responseCode = httpConnection.getResponseCode();
if (responseCode == HttpURLConnection.HTTP_OK){
//InputStream in = httpConnection.getInputStream();
Toast.makeText(GFeed.this, "OK", Toast.LENGTH_LONG);
}
else {
Toast.makeText(GFeed.this, "Wrong", Toast.LENGTH_LONG);
}
} catch (MalformedURLException e) {
Toast.makeText(GFeed.this, "Wrong", Toast.LENGTH_LONG);
} catch (IOException e) {
Toast.makeText(GFeed.this, "Wrong", Toast.LENGTH_LONG);
}
}
/** Called to create the options menu **/
@Override
public boolean onCreateOptionsMenu(Menu menu) {
super.onCreateOptionsMenu(menu);
// adding menu items
menu.add(0, SET_FEED, Menu.NONE, R.string.setFeed);
return true;
}
/** Called when an options menu item is selected **/
@Override
public boolean onOptionsItemSelected(MenuItem item) {
super.onOptionsItemSelected(item);
switch (item.getItemId()) {
case (SET_FEED): {
showFeedPrompt();
return true;
}
}
return false;
}
private void showFeedPrompt() {
// showing the elements to set a new feed
feed_l.setVisibility(View.VISIBLE);
feed_t.setVisibility(View.VISIBLE);
feed_b.setVisibility(View.VISIBLE);
}
private void hideFeedPrompt() {
// hiding the elements to set a new feed
feed_l.setVisibility(View.GONE);
feed_t.setVisibility(View.GONE);
feed_b.setVisibility(View.GONE);
}
}
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