Android Open Source - KDIC-Radio-Android Schedule Fragment

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Back to project page KDIC-Radio-Android.

License

The source code is released under:

GNU General Public License

Java Source Code

package edu.grinnell.kdic;
/* w  w w .j  a  va 2  s.  c  om*/
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Collections;
import java.util.Comparator;

import android.app.ListFragment;
import android.os.Bundle;
import android.os.Parcelable;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ListView;
import edu.grinnell.kdic.schedule.Show;

public class ScheduleFragment extends ListFragment {
  ScheduleListAdapter mAdapter;

  // These variables will be used to sort the list by the current date
  Calendar cal;
  // day stored as int, in accordance wirh android Calendar class
  protected int today;
  protected int current_time;
  double current_time_val;

  private static final String SCHEDULE_KEY = "schedule_key";
  public static ArrayList<Show> mSchedule;

  public static ScheduleFragment newInstance(ArrayList<Show> mSchedule) {
    ScheduleFragment fragment = new ScheduleFragment();
    Bundle bundle = new Bundle();
    bundle.putSerializable(SCHEDULE_KEY, mSchedule);
    fragment.setArguments(bundle);

    return fragment;
  }

  @Override
  public void onActivityCreated(Bundle savedInstanceState) {
    super.onActivityCreated(savedInstanceState);

    mAdapter = new ScheduleListAdapter((MainActivity) getActivity(),
        R.layout.show_row, mSchedule);

    setListAdapter(mAdapter);
  }

  @Override
  public void onListItemClick(ListView l, View v, int position, long id) {
    //Add a full show page for each item once we have more data
  }

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

    mSchedule = (ArrayList<Show>) getArguments().getSerializable(
        SCHEDULE_KEY);

    mSchedule = sortShows(mSchedule);

    return inflater.inflate(R.layout.fragment_schedule, container, false);
  }

  /*
   * Sort the shows such that they are ordered by how soon they will air
   */
  public ArrayList<Show> sortShows(ArrayList<Show> shows) {
    // set the calendar variables to the current time
    cal = Calendar.getInstance();
    today = cal.get(Calendar.DAY_OF_WEEK);
    current_time = cal.get(Calendar.HOUR_OF_DAY);

    /*
     * For purposes of comparision, the time will be converted to a simple
     * numerical format. The built-in Date and Calendar class formats are
     * not used because these are weekly shows, and have no static date/year
     * values.
     */
    current_time_val = today + (.01 * current_time);

    Collections.sort(shows, new Comparator<Show>() {
      public int compare(Show show1, Show show2) {

        double show1_time_val = show1.getDay()
            + (.01 * show1.getStartTime());

        double show2_time_val = show2.getDay()
            + (.01 * show2.getStartTime());

        return timeCompare(show1_time_val) > timeCompare(show2_time_val) ? 1
            : -1;
      }});
    return shows;
  }

  //Returns a value representing how soon the show will air in reference to the current time
  //The sooner the show will air, the lower the value
  public double timeCompare(double show_time_val) {
    if (current_time_val <= show_time_val)
      return show_time_val - current_time_val;
    else
      return 7 - (current_time_val - show_time_val);
  }
}

Java Source Code List

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