Android Development - isChecked Checkbox using simple_list_item_multiple_choice and CHOICE_MODE_MULTIPLE

Question

I am using simple_list_item_multiple_choice with list.setChoiceMode(ListView.CHOICE_MODE_MULTIPLE); to create a list of check boxes populated from a database query. I am then using onListItemClick to handle the clicking of the list, again that is working fine. What I can find no way of doing (after 5 days) is writing an if statement based on whether or not the check box attached to the list item is checked. What I need is the equivalent of the example below which works perfectly for a check box where I can use the android:onClick element to fire the method below.

public void onCheckboxClicked(View v) {
        // Perform action on clicks, depending on whether it's now checked
        if (((CheckBox) v).isChecked()) {
            Toast.makeText(this, "Selected", Toast.LENGTH_SHORT).show();
        } else {
            Toast.makeText(this, "Not selected", Toast.LENGTH_SHORT).show();
        }
    }

This is critical to my app so any advice would be greatly appreciated. Below is the simpleCusrorAdapter is am using:

 Cursor cursor3 = db.rawQuery("SELECT _id, symname FROM tblsymptoms WHERE _id IN ("+sympresult+") ", null);

        adapter = new SimpleCursorAdapter(
                this, 
                android.R.layout.simple_list_item_multiple_choice,
                cursor3, 
                new String[] {"symname","_id"}, 
                new int[] {android.R.id.text1});
        setListAdapter(adapter);
        ListView list=getListView();
        list.setChoiceMode(ListView.CHOICE_MODE_MULTIPLE);

Answer 1

I have solved the problem after finding this very useful blog item

I changed my onListItemClick to the following and it works like a dream:

public void onListItemClick(ListView parent, View view, int position, long id) {


      CheckedTextView check = (CheckedTextView)view;
      check.setChecked(!check.isChecked());
      boolean click = !check.isChecked();
      check.setChecked(click);
      if (click) {
            Toast.makeText(this, "Not Selected", Toast.LENGTH_SHORT).show();
      } else {
          Toast.makeText(this, "Selected", Toast.LENGTH_SHORT).show();
      } 
}