Java tutorial
/** * This file is part of MythTV Android Frontend * * MythTV Android Frontend 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. * * MythTV Android Frontend 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 MythTV Android Frontend. If not, see <http://www.gnu.org/licenses/>. * * This software can be found at <https://github.com/MythTV-Clients/MythTV-Android-Frontend/> */ package org.mythtv.client.ui.dvr; import org.joda.time.DateTime; import org.mythtv.R; import org.mythtv.client.ui.preferences.LocationProfile; import org.mythtv.client.ui.util.MythtvListFragment; import org.mythtv.client.ui.util.ProgramHelper; import org.mythtv.db.dvr.ProgramConstants; import org.mythtv.db.dvr.UpcomingDaoHelper; import org.mythtv.services.api.v027.beans.Program; import org.mythtv.db.preferences.LocationProfileDaoHelper; import org.mythtv.service.util.DateUtils; import android.content.Context; 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.util.Log; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.CursorAdapter; import android.widget.TextView; /** * @author Daniel Frey * */ public class UpcomingFragment extends MythtvListFragment implements LoaderManager.LoaderCallbacks<Cursor> { private static final String TAG = UpcomingFragment.class.getSimpleName(); private static final String START_DATE_KEY = "START_DATE_KEY"; private UpcomingCursorAdapter adapter; private LocationProfileDaoHelper mLocationProfileDaoHelper = LocationProfileDaoHelper.getInstance(); private ProgramHelper mProgramHelper = ProgramHelper.getInstance(); private UpcomingDaoHelper mUpcomingDaoHelper = UpcomingDaoHelper.getInstance(); public static UpcomingFragment newInstance(String formattedDay) { UpcomingFragment fragment = new UpcomingFragment(); Bundle args = new Bundle(); args.putString(START_DATE_KEY, formattedDay); fragment.setArguments(args); return fragment; } public UpcomingFragment() { } /* (non-Javadoc) * @see android.support.v4.app.LoaderManager.LoaderCallbacks#onCreateLoader(int, android.os.Bundle) */ @Override public Loader<Cursor> onCreateLoader(int id, Bundle args) { Log.v(TAG, "onCreateLoader : enter"); String startDate = args.getString(START_DATE_KEY); Log.v(TAG, "onCreateLoader : startDate=" + startDate); DateTime startDay = new DateTime(startDate).withTimeAtStartOfDay(); DateTime endDay = startDay.plusDays(1); DateTime now = new DateTime(System.currentTimeMillis()); //mainApplication = getMainApplication(); LocationProfile locationProfile = mLocationProfileDaoHelper.findConnectedProfile(getActivity()); Log.v(TAG, "onCreateLoader : loading upcoming for profile " + locationProfile.getHostname() + " [" + locationProfile.getUrl() + "]"); String[] projection = { ProgramConstants._ID, ProgramConstants.FIELD_TITLE, ProgramConstants.FIELD_SUB_TITLE, ProgramConstants.FIELD_START_TIME, ProgramConstants.FIELD_CATEGORY }; String selection = ProgramConstants.TABLE_NAME_UPCOMING + "." + ProgramConstants.FIELD_START_TIME + " >= ? AND " + ProgramConstants.TABLE_NAME_UPCOMING + "." + ProgramConstants.FIELD_START_TIME + " < ? AND " + ProgramConstants.TABLE_NAME_UPCOMING + "." + ProgramConstants.FIELD_START_TIME + " >= ? AND " + ProgramConstants.TABLE_NAME_UPCOMING + "." + ProgramConstants.FIELD_MASTER_HOSTNAME + " = ?"; String[] selectionArgs = new String[] { String.valueOf(startDay.getMillis()), String.valueOf(endDay.getMillis()), String.valueOf(now.getMillis()), locationProfile.getHostname() }; CursorLoader cursorLoader = new CursorLoader(getActivity(), ProgramConstants.CONTENT_URI_UPCOMING, projection, selection, selectionArgs, ProgramConstants.TABLE_NAME_UPCOMING + "." + ProgramConstants.FIELD_START_TIME); Log.v(TAG, "onCreateLoader : exit"); return cursorLoader; } /* (non-Javadoc) * @see android.support.v4.app.LoaderManager.LoaderCallbacks#onLoadFinished(android.support.v4.content.Loader, java.lang.Object) */ @Override public void onLoadFinished(Loader<Cursor> loader, Cursor cursor) { Log.v(TAG, "onLoadFinished : enter"); adapter.swapCursor(cursor); getListView().setFastScrollEnabled(true); Log.v(TAG, "onLoadFinished : exit"); } /* (non-Javadoc) * @see android.support.v4.app.LoaderManager.LoaderCallbacks#onLoaderReset(android.support.v4.content.Loader) */ @Override public void onLoaderReset(Loader<Cursor> loader) { Log.v(TAG, "onLoaderReset : enter"); adapter.swapCursor(null); Log.v(TAG, "onLoaderReset : exit"); } /* (non-Javadoc) * @see android.support.v4.app.Fragment#onActivityCreated(android.os.Bundle) */ @Override public void onActivityCreated(Bundle savedInstanceState) { Log.v(TAG, "onActivityCreated : enter"); super.onActivityCreated(savedInstanceState); setHasOptionsMenu(true); // setRetainInstance( true ); getLoaderManager().initLoader(0, getArguments(), this); adapter = new UpcomingCursorAdapter(getActivity().getApplicationContext()); setListAdapter(adapter); Log.v(TAG, "onActivityCreated : exit"); } // internal helpers @SuppressWarnings("unused") private class UpcomingCursorAdapter extends CursorAdapter { private Context mContext; private LayoutInflater mInflater; public UpcomingCursorAdapter(Context context) { super(context, null, false); mContext = context; mInflater = LayoutInflater.from(context); } /* (non-Javadoc) * @see android.support.v4.widget.CursorAdapter#newView(android.content.Context, android.database.Cursor, android.view.ViewGroup) */ @Override public View newView(Context context, Cursor cursor, ViewGroup parent) { //Log.v( TAG, "UpcomingCursorAdapter.newView : enter" ); View view = mInflater.inflate(R.layout.upcoming_row, parent, false); ViewHolder refHolder = new ViewHolder(); refHolder.category = (View) view.findViewById(R.id.upcoming_category); refHolder.title = (TextView) view.findViewById(R.id.upcoming_title); refHolder.subTitle = (TextView) view.findViewById(R.id.upcoming_sub_title); refHolder.channel = (TextView) view.findViewById(R.id.upcoming_channel); refHolder.startTime = (TextView) view.findViewById(R.id.upcoming_start_time); refHolder.duration = (TextView) view.findViewById(R.id.upcoming_duration); view.setTag(refHolder); //Log.v( TAG, "UpcomingCursorAdapter.newView : exit" ); return view; } /* (non-Javadoc) * @see android.support.v4.widget.CursorAdapter#bindView(android.view.View, android.content.Context, android.database.Cursor) */ @Override public void bindView(View view, Context context, Cursor cursor) { //Log.v( TAG, "UpcomingCursorAdapter.bindView : enter" ); Program program = mUpcomingDaoHelper.convertCursorToProgram(cursor); ViewHolder mHolder = (ViewHolder) view.getTag(); mHolder.category.setBackgroundColor(mProgramHelper.getCategoryColor(program.getCategory())); mHolder.title.setText(program.getTitle()); mHolder.subTitle.setText(program.getSubTitle()); mHolder.channel.setText(null != program.getChannel() ? program.getChannel().getChanNum() : ""); // FIXME: set duration mHolder.duration.setText( program. getDurationInMinutes() + " minutes" ); mHolder.startTime.setText(DateUtils.getTimeWithLocaleFormatting(program.getStartTime(), getMainApplication().getClockType())); //Log.v( TAG, "UpcomingCursorAdapter.bindView : exit" ); } } private static class ViewHolder { View category; TextView title; TextView subTitle; TextView channel; TextView startTime; TextView duration; ViewHolder() { } } }