Android Open Source - tum-campus Silence Service

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License

The source code is released under:

GNU General Public License

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Java Source Code

?package de.tum.in.tumcampus.services;
/*w  w w.  j a  v a 2  s .c o m*/
import android.app.IntentService;
import android.content.Context;
import android.content.Intent;
import android.database.Cursor;
import android.media.AudioManager;
import de.tum.in.tumcampus.common.Const;
import de.tum.in.tumcampus.common.Utils;
import de.tum.in.tumcampus.common.Const.Settings;
import de.tum.in.tumcampus.models.LectureItemManager;

/**
 * Service used to silence the mobile during lectures
 */
public class SilenceService extends IntentService {

  /**
   * Interval in milliseconds to check for current lectures
   */
  public static int interval = 60000;

  /**
   * default init (run intent in new thread)
   */
  public SilenceService() {
    super("SilenceService");
  }

  @Override
  protected void onHandleIntent(Intent intent) {

    // loop until silence mode gets disabled in settings
    while (Utils.getSettingBool(this, Const.Settings.silence)) {

      AudioManager am = (AudioManager) getSystemService(Context.AUDIO_SERVICE);

      LectureItemManager lim = new LectureItemManager(this);
      if (!lim.hasLectures()) {
        // no lectures available
        return;
      }
      Cursor c = lim.getCurrentFromDb();
      if (c.getCount() != 0) {
        // if current lecture(s) found, silence the mobile
        Utils.setSettingBool(this, Settings.silence_on, true);

        Utils.log("set ringer mode: silent");
        am.setRingerMode(AudioManager.RINGER_MODE_SILENT);

      } else if (Utils.getSettingBool(this, Settings.silence_on)) {
        // default: no silence
        Utils.log("set ringer mode: normal");
        am.setRingerMode(AudioManager.RINGER_MODE_NORMAL);
        Utils.setSettingBool(this, Settings.silence_on, false);
      }

      // wait unteil next check
      synchronized (this) {
        try {
          wait(interval);
        } catch (Exception e) {
          Utils.log(e, "");
        }
      }
    }
  }

  @Override
  public void onDestroy() {
    super.onDestroy();
    Utils.log(""); // log destroy
  }

  @Override
  public void onCreate() {
    super.onCreate();
    Utils.log(""); // log create
  }
}

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