Question

I have a class that extends ListFragment, and it overrides the OnListItemClick method. I am also doing this in another ListFragment the same way (and the method gets called). I am wondering why the method does not get called when I click on the list item?

Here is the code:

package org.doraz.fdboard.activity;

import java.sql.SQLException;
import java.util.Collection;

import org.doraz.fdboard.FantasyDraftBoardApplication;
import org.doraz.fdboard.R;
import org.doraz.fdboard.activity.DraftBoardActivity.PlayerDetailsActivity;
import org.doraz.fdboard.domain.FantasyLeague;
import org.doraz.fdboard.domain.FantasyTeam;
import org.doraz.fdboard.domain.Player;
import org.doraz.fdboard.domain.Position;
import org.doraz.fdboard.repository.FantasyDraftBoardRepository;
import org.doraz.fdboard.view.PlayerAdapter;
import org.doraz.fdboard.view.PlayerCursorAdapter;

import android.app.FragmentTransaction;
import android.app.ListFragment;
import android.app.ProgressDialog;
import android.content.Intent;
import android.database.Cursor;
import android.os.AsyncTask;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Adapter;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ListView;

public class ListPlayersFragment extends ListFragment implements OnItemClickListener {

    private final static String TAG = "ListPlayersFragment";

    private boolean mDualPane;  
    private int curSelectedPlayerPosition = 0;
    private PlayerCursorAdapter playerAdapter;
    private QueryPlayersTask currentTask;

    private FantasyDraftBoardRepository repository;
    private FantasyLeague fantasyLeague;
    private FantasyTeam fantasyTeam;
    private Position position;
    private ProgressDialog progressDialog;


    /* (non-Javadoc)
     * @see android.app.ListFragment#onActivityCreated(android.os.Bundle)
     */
    @Override
    public void onActivityCreated(Bundle savedInstanceState) {
        super.onActivityCreated(savedInstanceState);

        //Check  for the view players view along with the pane
        View teamListFragment = getActivity().findViewById(R.id.team_list_fragment);
        mDualPane = teamListFragment != null && teamListFragment.getVisibility() == View.VISIBLE;

        if(mDualPane) {
            Log.i(TAG, "Setting list select mode to single");
            getListView().setChoiceMode(ListView.CHOICE_MODE_SINGLE);
        }

        getListView().setSmoothScrollbarEnabled(false);
    }

    /* (non-Javadoc)
     * @see android.app.ListFragment#onListItemClick(android.widget.ListView, android.view.View, int, long)
     */
    @Override
    public void onListItemClick(ListView l, View v, int position, long id) {
        super.onListItemClick(l, v, position, id);
        Log.i(TAG, "[onListItemClick] Selected Position "+ position);
        selectPlayer(position);
    }

    /* (non-Javadoc)
     * @see android.app.Fragment#onSaveInstanceState(android.os.Bundle)
     */
    @Override
    public void onSaveInstanceState(Bundle outState) {
        super.onSaveInstanceState(outState);
        outState.putInt("curSelectedPlayerPosition", curSelectedPlayerPosition);
        outState.putInt("fantasyLeague", fantasyLeague.getLeaguePID());

        if(!Position.ALL.equals(position)) {
            outState.putInt("position", position.getPositionPID());
        }

        if(!(FantasyTeam.ALL_AVAILABLE_TEAM.equals(fantasyTeam) || FantasyTeam.ALL_TEAM.equals(fantasyTeam))) {
            outState.putInt("fantasyTeam", fantasyTeam.getTeamPID());
        }
    }

    /**
     * Selects the player at this position in the current list
     * @param listPosition
     */
    public void selectPlayer(int listPosition) {
        curSelectedPlayerPosition = listPosition;

        Player player = (Player) playerAdapter.getItem(listPosition);

        Log.i(TAG, "Select Player ("+ listPosition +", "+ player.getName() +") called");

        //Get the player url
        String mPlayerUrl = player.getPlayerUrl();
        Log.d(TAG, "Selected Player URL: "+mPlayerUrl);

        if(mDualPane) {
            if(getListView().getSelectedItemPosition() == listPosition) {
                //Remove the selected item
                return;
            }

            //Select the item
            getListView().setItemChecked(listPosition, true);

            Log.d(TAG, "Creating ViewPlayerFragment");
            ViewPlayerFragment vpf = ViewPlayerFragment.newInstance(mPlayerUrl);
            ListTeamsFragment ltf = (ListTeamsFragment) getFragmentManager().findFragmentById(R.id.team_list_fragment);

            FragmentTransaction ft = getFragmentManager().beginTransaction();
            ft.replace(R.id.player_web_view_fragment, vpf);

            if(ltf != null && !ltf.isHidden()) {
                //Hide the list of teams
                ft.hide(ltf);
                ft.addToBackStack(null);
            }

            ft.setTransition(FragmentTransaction.TRANSIT_FRAGMENT_OPEN);
            ft.commit();
            Log.d(TAG, "Committed to ViewPlayerFragment");
        }
        else {
            Log.d(TAG, "Launching new activity to view player");
            Intent intent = new Intent();
            intent.setClass(getActivity(), PlayerDetailsActivity.class);
            intent.putExtra("playerURL", mPlayerUrl);
            startActivityForResult(intent, 0);
        }
    }

    public void clearSelectedPlayer() {
        Log.i(TAG, "Clearing selected player");

        curSelectedPlayerPosition = -1;

        //Clear the list view
        getListView().clearChoices();

        ViewPlayerFragment vpf = (ViewPlayerFragment) getFragmentManager().findFragmentById(R.id.player_web_view_fragment);
        if(vpf != null) {
            Log.d(TAG, "Closing ViewPlayerFragment");

            //Close the ViewPlayersFragment
            FragmentTransaction ft = getFragmentManager().beginTransaction();
            ft.remove(vpf);
            ft.setTransition(FragmentTransaction.TRANSIT_FRAGMENT_CLOSE);
            ft.commit();
            Log.d(TAG, "Closed ViewPlayerFragment");
        }
    }

    /**
     * Initializes the player adapter
     */
    private void initializePlayerAdapter(Cursor cursor) {
        if(playerAdapter != null)
            return;

        playerAdapter = new PlayerCursorAdapter(getActivity(), cursor, (DraftBoardActivity)getActivity(), repository);
        setListAdapter(playerAdapter);
        setEmptyText(getText(R.string.no_players_msg));
    }

    /**
     * Initializes the player adapter
     */
    public void setPlayersCursor(Cursor cursor) {
        if(playerAdapter == null) {
            initializePlayerAdapter(cursor);
        }
        else {
            playerAdapter.changeCursor(cursor);
        }
    }

    /**
     * Drafts a player
     * 
     * @param mPlayer       the player to draft
     * @param fantasyTeam   the fantasy team
     * @param value         the draft value
     */
    public void draftPlayer(Player mPlayer, FantasyTeam fantasyTeam, Double value) {

        mPlayer.setFantasyTeam(fantasyTeam);
        mPlayer.setDraftValue(value);
        mPlayer.setDrafted(true);
        fantasyTeam.draftPlayer(mPlayer);

        try {
            repository.savePlayer(mPlayer);
            repository.saveFantasyTeam(fantasyTeam);
        } catch (SQLException e) {
            Log.e(TAG, "Error drafting player", e);
        }

        //Refresh the query
        refresh();
    }

    /**
     * Refreshes the players list
     */
    public void refresh(){
        if(fantasyLeague == null) {
            fantasyLeague = ((FantasyDraftBoardApplication) (getActivity().getApplication())).getCurrentFantasyLeague();
        }

        if(fantasyTeam == null) {
            fantasyTeam = FantasyTeam.ALL_AVAILABLE_TEAM;
        }

        if(position == null) {
            position = Position.ALL;
        }

        if(currentTask != null) {
            currentTask.cancel(true);
        }

        if(progressDialog != null) {
            progressDialog.dismiss();
            progressDialog = null;
        }

        progressDialog = ProgressDialog.show(getActivity(), null, "Loading...");
        currentTask = new QueryPlayersTask(fantasyLeague, fantasyTeam, position, repository);
        currentTask.execute();
    }

    /**
     * Sets the fantasyLeague
     * @param fantasyLeague the fantasyLeague to set
     */
    public void setFantasyLeague(FantasyLeague fantasyLeague) {
        this.fantasyLeague = fantasyLeague;
    }

    /**
     * Sets the fantasyTeam
     * @param fantasyTeam the fantasyTeam to set
     */
    public void setFantasyTeam(FantasyTeam fantasyTeam) {
        this.fantasyTeam = fantasyTeam;
    }

    /**
     * Sets the position
     * @param position the position to set
     */
    public void setPosition(Position position) {
        this.position = position;
    }

    /**
     * Sets the repository
     * @param repository the repository to set
     */
    public void setRepository(FantasyDraftBoardRepository repository) {
        this.repository = repository;
    }

    private class QueryPlayersTask extends AsyncTask<Integer, Integer, Cursor> {

        private FantasyLeague fantasyLeague;
        private FantasyTeam fantasyTeam;
        private Position position;
        private FantasyDraftBoardRepository repository;

        public QueryPlayersTask(FantasyLeague fantasyLeague, FantasyTeam fantasyTeam, Position position, FantasyDraftBoardRepository repository) {
            this.fantasyLeague = fantasyLeague;
            this.fantasyTeam = fantasyTeam;
            this.position = position;
            this.repository = repository;
        }

        @Override
        protected Cursor doInBackground(Integer... params) {
            try {
                return repository.queryForPlayersCursor(position, fantasyLeague, fantasyTeam);
            } catch (SQLException e) {
                Log.e("QueryPlayersTask", "Unable to query for players", e);
            }

            return null;
        }

        /* (non-Javadoc)
         * @see android.os.AsyncTask#onPostExecute(java.lang.Object)
         */
        @Override
        protected void onPostExecute(Cursor result) {
            super.onPostExecute(result);

            if(!isCancelled()) {
                //Update the player cursor
                updatePlayerCursor(result);
            }
        }
    }

    /**
     * Updates the player cursor
     * @param c the player cursor
     */
    private final void updatePlayerCursor(Cursor c){
        Log.d(TAG, "Updating player cursor.");
        if(playerAdapter == null)
            initializePlayerAdapter(c);
        else
            playerAdapter.changeCursor(c);

        if(progressDialog != null) {
            progressDialog.dismiss();
            progressDialog = null;
        }

        //Clear the current task
        currentTask = null;
    }

    @Override
    public void onItemClick(AdapterView<?> adapter, View arg1, int listPosition, long id) {
        Log.d(TAG, "[onItemClick] Clicked item "+position);
        selectPlayer(listPosition);
    }


}

Any assistance would be much appreciated. I can get the desired effect by implementing a few other listeners and assigning it to each list item, but I think this is the correct way to do it and it SHOULD work. I just don’t know why it doesn’t

Thanks in Advance.

Answer 1

If you have an item in your layout that can steal input from other components like a CheckBox, that component needs to be defined as not focusable.