Reputation: 243
I am currently implementing a multi-select ListView
for my android app. My aim is to retrieve the selected items from the ArrayAdapter
associated with the ListView
when clicking the search button.
I am currently stumped on how to do this, I have found stuff online such as trying to set a MultiChoiceModeListener
, but this does not seem to come up as an option in Eclipse
. I am using Google API
s(level 10), Android 2.3.3
equivalent. Here is the code I have so far:
public class FindPlace extends Activity {
public FindPlace() {}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.list_places);
Button search = (Button) findViewById(R.id.search);
String[] categories = getResources().getStringArray(R.array.Categories);
ArrayAdapter ad = new ArrayAdapter(this,android.R.layout.simple_list_item_multiple_choice,categories);
final ListView list=(ListView)findViewById(R.id.List);
list.setAdapter(ad);
list.setChoiceMode(ListView.CHOICE_MODE_MULTIPLE);
list.setOnItemClickListener(new OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) { }
});
}
}
Upvotes: 1
Views: 2671
Reputation: 97148
Slightly more efficiently / correctly:
SparseBooleanArray checked = listView.getCheckedItemPositions();
for (int i = 0; i < checked.size(); ++i)
{
if (checked.valueAt(i))
{
int pos = checked.keyAt(i);
doSomethingWith(adapter.getItem(pos));
}
}
Upvotes: 2
Reputation: 1571
take the count of the selected item in the int and make for loop like below.
int len = listView.getCount();
SparseBooleanArray checked = listView.getCheckedItemPositions();
for (int i = 0; i < len; i++){
if (checked.get(i)) {
String item = cont_list.get(i);
/* do whatever you want with the checked item */
}
}
Upvotes: 0