Adding onListItemLick/onItemLongClick in a ListFragment

问题

SOLVED IN A COMMENT: Adding onListItemLick/onItemLongClick in a ListFragment The problem was generated from an ImageButton in the layout of the single element in the ListFragment that was stealing the input even with the focusable element set to false, so i had to remove it from the layout.

I've got a ListFragment populated by an extended class of SimpleCursorAdapter (mainly for overriding the newView method) but I wanted to add an AlertDialog when the user presses (or long presses) an item in the list the adapter generated. I've tryed both onListItemClick and onItemLongClick with a simple log write using Log.d method but nothing happens in both cases and i don't know where is the problem since the code is really simple:

public class FragmentD extends ListFragment {

private SQLiteDatabase db;

@Override
public void onActivityCreated (Bundle savedInstanceState) {

    super.onActivityCreated(savedInstanceState);

    myDatabase myDBHelper = new myDatabase(getActivity());
    db = myDBHelper.getWritableDatabase();

    Log.d("DB", "Insert fatto");

    String[] res_columns = new String[] {myDatabase.COLUMN2, myDatabase.COLUMN2,};
    String sortOrder = myDatabase.COLUMN1 + " DESC";

    String where = "*";

    Cursor testCursor = db.rawQuery("select * from " + database.DATABASE_TABLE, null);

    myAdapter adapter = new myAdapter(getActivity(),
            R.layout.list_element,
            testCursor,
            res_columns,
            new int[] { },
            0);

    setListAdapter(adapter);
}

@Override
public void onListItemClick (ListView l, View v, int pos, long id) {
    super.onListItemClick(l, v, pos, id);
        Log.d("CLICK", "pressed");
    }

回答1:

Edited Answer: Maybe the components of the layout were stealing the input from other components of the layout

回答2:

I have got two solution

Simply Override onListItemClick

@Override public void onListItemClick(ListView l, View v, int position, long id) { super.onListItemClick(l, v, position, id);
```
  Log.i("position",position);
```
}
On the root layout. Add this code

android:descendantFocusability="blocksDescendants"

Hope it helps

回答3:

Add the super constructor and override it:

@Override
public void onListItemClick (ListView l, View v, int pos, long id) {
    super.onListItemClick(l, v, pos, id);
    Log.d("CLICK", "pressed");
}

EDIT: try this code

public class FragmentD extends ListFragment {

private SQLiteDatabase db;

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
        Bundle savedInstanceState) {

    View v = inflater.inflate(YOUR LISTFRAGMENT LAYOUT HERE, container, false);

    myDatabase myDBHelper = new myDatabase(getActivity());
    db = myDBHelper.getWritableDatabase();

    Log.d("DB", "Insert fatto");

    String[] res_columns = new String[] {myDatabase.COLUMN2, myDatabase.COLUMN2,};
    String sortOrder = myDatabase.COLUMN1 + " DESC";

    String where = "*";

    Cursor testCursor = db.rawQuery("select * from " + database.DATABASE_TABLE, null);

    myAdapter adapter = new myAdapter(getActivity(),
            R.layout.list_element,
            testCursor,
            res_columns,
            new int[] { },
            0);

    setListAdapter(adapter);

    return v;
}

@Override
public void onListItemClick (ListView l, View v, int pos, long id) {
    super.onListItemClick(l, v, pos, id);
    Log.d("CLICK", "pressed");
}

来源：https://stackoverflow.com/questions/32402628/adding-onlistitemlick-onitemlongclick-in-a-listfragment

标签

android

android-listfragment

simplecursoradapter

onitemclicklistener