Java tutorial
/* CarLogbook. Copyright (C) 2014 Eugene Nadein This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. */ package com.enadein.carlogbook.ui; import android.database.Cursor; import android.os.Bundle; import android.support.v4.app.LoaderManager; import android.support.v4.content.CursorLoader; import android.support.v4.content.Loader; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.AdapterView; import android.widget.ListView; import com.enadein.carlogbook.CarLogbook; import com.enadein.carlogbook.R; import com.enadein.carlogbook.adapter.NotificationAdapter; import com.enadein.carlogbook.core.BaseFragment; import com.enadein.carlogbook.core.CarChangedListener; import com.enadein.carlogbook.db.DBUtils; import com.enadein.carlogbook.db.ProviderDescriptor; public class NotificationFragment extends BaseFragment implements LoaderManager.LoaderCallbacks<Cursor>, CarChangedListener { private NotificationAdapter notificationAdapter; @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { return inflater.inflate(R.layout.notification_fragment, container, false); } @Override public void onViewCreated(View view, Bundle savedInstanceState) { super.onViewCreated(view, savedInstanceState); notificationAdapter = new NotificationAdapter(getActivity(), null); ListView notifyListView = (ListView) view.findViewById(R.id.list); notifyListView.setAdapter(notificationAdapter); notifyListView.setOnItemClickListener(new AdapterView.OnItemClickListener() { @Override public void onItemClick(AdapterView<?> adapterView, View view, int position, long id) { getMediator().showEditNotifcation(id); // CommonUtils.createNotify(getActivity(),id); } }); view.findViewById(R.id.add).setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { getMediator().showAddNotification(); } }); } @Override public void onResume() { super.onResume(); getLoaderManager().restartLoader(CarLogbook.LoaderDesc.NOTIFY_ID, null, this); getMediator().showCarSelection(this); } @Override public String getSubTitle() { return getString(R.string.menu_item_notifications); } @Override public Loader<Cursor> onCreateLoader(int id, Bundle args) { Long carId = DBUtils.getActiveCarId(getActivity().getContentResolver()); CursorLoader cursorLoader = new CursorLoader(getActivity(), ProviderDescriptor.Notify.CONTENT_URI, null, DBUtils.CAR_SELECTION_NOTIFY, new String[] { String.valueOf(carId) }, null); return cursorLoader; } @Override public void onLoadFinished(Loader<Cursor> loader, Cursor data) { notificationAdapter.swapCursor(data); showNoItems(data.getCount() == 0); } @Override public void onLoaderReset(Loader<Cursor> loader) { notificationAdapter.swapCursor(null); } @Override public void onCarChanged(long id) { getLoaderManager().restartLoader(CarLogbook.LoaderDesc.NOTIFY_ID, null, this); } }