Java tutorial
/* * Copyright (C) 2010 Paul Watts (paulcwatts@gmail.com) * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package can.yrt.onebusaway; import com.actionbarsherlock.view.Menu; import com.actionbarsherlock.view.MenuInflater; import com.actionbarsherlock.view.MenuItem; import can.yrt.oba.provider.ObaContract; import android.database.Cursor; import android.net.Uri; import android.os.Bundle; import android.support.v4.content.Loader; import android.view.ContextMenu; import android.view.ContextMenu.ContextMenuInfo; import android.view.View; import android.widget.AdapterView.AdapterContextMenuInfo; public class MyRecentRoutesFragment extends MyRouteListFragmentBase { public static final String TAB_NAME = "recent"; @Override public Loader<Cursor> onCreateLoader(int id, Bundle args) { return QueryUtils.newRecentQuery(getActivity(), ObaContract.Routes.CONTENT_URI, QueryUtils.RouteList.Columns.PROJECTION, ObaContract.Routes.ACCESS_TIME, ObaContract.Routes.USE_COUNT); } @Override public void onActivityCreated(Bundle savedInstanceState) { super.onActivityCreated(savedInstanceState); setHasOptionsMenu(true); } private static final int CONTEXT_MENU_DELETE = 10; @Override public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) { super.onCreateContextMenu(menu, v, menuInfo); menu.add(0, CONTEXT_MENU_DELETE, 0, R.string.my_context_remove_recent); } @Override public boolean onContextItemSelected(android.view.MenuItem item) { AdapterContextMenuInfo info = (AdapterContextMenuInfo) item.getMenuInfo(); switch (item.getItemId()) { case CONTEXT_MENU_DELETE: ObaContract.Routes.markAsUnused(getActivity(), Uri.withAppendedPath(ObaContract.Routes.CONTENT_URI, QueryUtils.RouteList.getId(getListView(), info.position))); return true; default: return super.onContextItemSelected(item); } } @Override public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) { inflater.inflate(R.menu.my_recent_route_options, menu); } @Override public boolean onOptionsItemSelected(MenuItem item) { if (item.getItemId() == R.id.clear_recent) { new ClearDialog().show(getActivity().getSupportFragmentManager(), "confirm_clear_recent_routes"); return true; } return false; } @Override protected int getEmptyText() { return R.string.my_no_recent_routes; } public static class ClearDialog extends ClearConfirmDialog { @Override protected void doClear() { ObaContract.Routes.markAsUnused(getActivity(), ObaContract.Routes.CONTENT_URI); } } }