Android Open Source - lclock Alert Builder

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License

The source code is released under:

Apache License Version 2.0, January 2004 http://www.apache.org/licenses/ TERMS AND CONDITIONS FOR USE, REPRODUC...

Java Source Code

/*
 * Copyright 2013 Mark Injerd//from w ww. j  a va  2 s  .c  o m
 *
 * 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 com.pilot51.lclock;

import java.util.List;

import android.app.AlarmManager;
import android.app.PendingIntent;
import android.content.Context;
import android.content.Intent;
import android.util.Log;

public class AlertBuilder {
  private final Context context;
  private final Intent intent;
  private final AlarmManager am;
  private int n, alertTime;

  AlertBuilder(Context c) {
    context = c;
    am = (AlarmManager)c.getSystemService(Context.ALARM_SERVICE);
    intent = new Intent(c, AlarmReceiver.class);
    new Thread(new Runnable() {
      public void run() {
        cancelAlerts();
        ListActivity.loadCache();
        readAlertPref();
      }
    }).start();
  }

  private void readAlertPref() {
    try {
      alertTime = Integer.parseInt(Common.prefs.getString("alertTime", null));
      alertTime = alertTime * 60000;
    } catch (NumberFormatException e) {
      alertTime = -1;
    }
    if (alertTime != -1) {
      buildAlerts();
    }
    Common.extraPrefs.edit().putInt("nAlerts", n).commit();
  }

  private void cancelAlerts() {
    int n = Common.extraPrefs.getInt("nAlerts", 0);
    while (n > 0) {
      n--;
      PendingIntent pi = PendingIntent.getBroadcast(context, n, intent, PendingIntent.FLAG_UPDATE_CURRENT);
      pi.cancel();
    }
  }

  private void buildAlerts() {
    List<Event> list = ListActivity.listSfn;
    for (Event event : list) {
      try {
        if ((Integer) event.getCalAccuracy() >= ListActivity.ACC_MINUTE) {
          createAlarm(n, event.getCal().getTimeInMillis(), event.getVehicle());
          n++;
        }
      } catch (NullPointerException e) {
        Log.w(Common.TAG,
          "Time accuracy not available (likely because loaded cache from v0.6.0), skipping alert creation.");
        break;
      }
    }
  }

  private void createAlarm(int id, long time, String name) {
    intent.putExtra(AlarmReceiver.EXTRA_TIME, alertTime);
    intent.putExtra(AlarmReceiver.EXTRA_NAME, name);
    PendingIntent pi = PendingIntent.getBroadcast(context, id, intent, PendingIntent.FLAG_UPDATE_CURRENT);
    if (System.currentTimeMillis() < time - alertTime) {
      am.set(AlarmManager.RTC_WAKEUP, time - alertTime, pi);
    }
  }
}

Java Source Code List

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