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| public class TabNewsJSONParsingActivity2 extends ListActivity
{
static{
StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builder().permitAll().build();
StrictMode.setThreadPolicy(policy);
}
// url to make request
private static String url = "http://www.example.com/GetEvents?zone=8";
//JSON names
private static final String TAG_content = "content";
private static final String TAG_zone = "zone";
private static final String TAG_id = "id";
private static final String TAG_area = "area";
private static final String TAG_title = "title";
private static final String TAG_date = "date";
private static final String TAG_author = "author";
@Override
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.onglet_news);
// selecting single ListView item
ListView lv = getListView();
// Launching new screen on Selecting Single ListItem
lv.setOnItemClickListener(new OnItemClickListener()
{
public void onItemClick(AdapterView<?> parent, View view,int position, long id) {
// getting values from selected ListItem
String name = ((TextView) view.findViewById(R.id.name)).getText().toString();
String cost = ((TextView) view.findViewById(R.id.email)).getText().toString();
String description = ((TextView) view.findViewById(R.id.mobile)).getText().toString();
// Starting new intent
Intent in = new Intent(getApplicationContext(), TabNewsSingleMenuItemActivity.class);
in.putExtra(TAG_content, name);
in.putExtra(TAG_title, cost);
in.putExtra(TAG_author, description);
startActivity(in);
}
});
new DownloadData().execute();
}
public boolean onOptionsItemSelected(MenuItem item)
{
//On regarde quel item a été cliqué grâce à son id et on déclenche une action
switch (item.getItemId())
{
case R.id.credits:
//pop up
Toast.makeText(TabNewsJSONParsingActivity2.this, "Un delire", Toast.LENGTH_SHORT).show();
return true;
case R.id.quitter:
//Pour fermer l'application il suffit de faire finish()
finish();
return true;
}
return false;
}
private class DownloadData extends AsyncTask<Void, Integer, ArrayList<HashMap<String, String>>>
{
ProgressDialog pd = null;
/* (non-Javadoc)
* @see android.os.AsyncTask#onPreExecute()
*/
@Override
protected void onPreExecute() {
// TODO Auto-generated method stub
super.onPreExecute();
pd = new ProgressDialog(TabNewsJSONParsingActivity2.this);
pd.setTitle("Downloading...");
pd.setMessage("Please wait...");
pd.setCancelable(false);
pd.show();
}
/* (non-Javadoc)
* @see android.os.AsyncTask#doInBackground(Params[])
*/
@Override
protected ArrayList<HashMap<String, String>> doInBackground(Void... params) {
// TODO Auto-generated method stub
// Hashmap for ListView
ArrayList<HashMap<String, String>> newsList = new ArrayList<HashMap<String, String>>();
// Creating JSON Parser instance
JSONParser jParser = new JSONParser();
// getting JSON string from URL
JSONArray json;
try {
json = jParser.getJSONFromUrl1(url);
for(int i=0; i < json.length(); i++)
{
JSONObject child = json.getJSONObject(i);
String id = child.getString(TAG_id);
String title = child.getString(TAG_title);
String content = child.getString(TAG_content);
String date = child.getString(TAG_date);
String author = child.getString(TAG_author);
String zone = child.getString(TAG_zone);
String area = child.getString(TAG_area);
// creating new HashMap
HashMap<String, String> map = new HashMap<String, String>();
// adding each child node to HashMap key => value
map.put(TAG_content, content);
map.put(TAG_title, title);
map.put(TAG_author, author);
// adding HashList to ArrayList
newsList.add(map);
}
}
catch (JSONException e) {
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return newsList;
}
/* (non-Javadoc)
* @see android.os.AsyncTask#onPostExecute(java.lang.Object)
*/
@Override
protected void onPostExecute(ArrayList<HashMap<String, String>> newsList) {
// TODO Auto-generated method stub
super.onPostExecute(newsList);
pd.dismiss();
/**
* Updating parsed JSON data into ListView
* */
ListAdapter adapter = new SimpleAdapter(this, newsList,R.layout.onglet_news_listitem,new String[] { TAG_content, TAG_title, TAG_author }, new int[] {R.id.name, R.id.email, R.id.mobile });
TabNewsJSONParsingActivity2.this.setListAdapter(adapter);
}
}
} |
