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@ -1,9 +1,11 @@
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package com.timsu.astrid.utilities;
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import java.util.Date;
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import java.util.List;
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import java.util.Random;
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import android.app.Activity;
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import android.app.AlarmManager;
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import android.app.Notification;
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import android.app.NotificationManager;
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import android.app.PendingIntent;
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@ -21,53 +23,82 @@ import com.timsu.astrid.data.task.TaskModelForNotify;
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public class Notifications extends BroadcastReceiver {
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private static final int MIN_INTERVAL_SECONDS = 60;
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private static final String ID_KEY = "id";
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private static final int MIN_INTERVAL_SECONDS = 120;
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private static Random random = new Random();
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/** Something we can create a notification for */
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public interface Notifiable {
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public TaskIdentifier getTaskIdentifier();
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public Integer getNotificationIntervalSeconds();
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public Date getHiddenUntil();
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}
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@Override
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/** Startup intent */
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public void onReceive(Context context, Intent intent) {
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NotificationManager nm = (NotificationManager) context.
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getSystemService(Context.NOTIFICATION_SERVICE);
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Notification notification = new Notification(
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android.R.drawable.stat_notify_chat, "started up",
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System.currentTimeMillis());
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long id = intent.getLongExtra(ID_KEY, 0);
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Log.e("ALARM", "Alarm triggered id " + id);
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showNotification(context, id);
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}
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nm.notify(0, notification);
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// --- alarm manager stuff
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public static void scheduleAllAlarms(Context context) {
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TaskController controller = new TaskController(context);
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controller.open();
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List<TaskModelForNotify> tasks = controller.getTasksWithNotifications();
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for(TaskModelForNotify task : tasks)
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scheduleNextNotification(context, task);
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}
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public interface Notifiable {
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public TaskIdentifier getTaskIdentifier();
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public Integer getNotificationIntervalSeconds();
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scheduleNextAlarm(context, task);
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}
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/** Schedules the next notification for this task */
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public static void scheduleNextNotification(Context context,
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public static void scheduleNextAlarm(Context context,
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Notifiable task) {
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if(task.getNotificationIntervalSeconds() == null ||
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task.getNotificationIntervalSeconds() == 0 ||
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task.getTaskIdentifier() == null)
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return;
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// TODO if task is hidden, disregard
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if(task.getHiddenUntil() != null && task.getHiddenUntil().after(new Date()))
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return;
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// compute, and add a fudge factor to mix things up a bit
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int interval = task.getNotificationIntervalSeconds();
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int currentSeconds = (int)(System.currentTimeMillis() / 1000);
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int untilNextInterval = interval - currentSeconds % interval;
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untilNextInterval *= 0.2f + random.nextFloat() * 0.6f;
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if(untilNextInterval < MIN_INTERVAL_SECONDS)
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untilNextInterval = MIN_INTERVAL_SECONDS;
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long when = System.currentTimeMillis() + untilNextInterval * 1000;
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scheduleAlarm(context, task.getTaskIdentifier().getId(), when);
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}
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/** Delete the given alarm */
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public static void deleteAlarm(Context context, long id) {
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AlarmManager am = (AlarmManager)context.getSystemService(Context.ALARM_SERVICE);
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// add a fudge factor to mix things up a bit
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int nextSeconds = (int)((random.nextFloat() * 0.2f + 0.8f) *
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task.getNotificationIntervalSeconds()/60); // TODO remove /60
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if(nextSeconds < MIN_INTERVAL_SECONDS)
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nextSeconds = MIN_INTERVAL_SECONDS;
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long when = System.currentTimeMillis() + nextSeconds * 1000;
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scheduleNotification(context, task.getTaskIdentifier(), when);
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Intent intent = new Intent(context, Notifications.class);
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intent.putExtra(ID_KEY, id);
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PendingIntent sender = PendingIntent.getBroadcast(context, 0, intent, 0);
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am.cancel(sender);
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}
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/** Schedules a single alarm */
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public static void scheduleAlarm(Context context, long id, long when) {
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AlarmManager am = (AlarmManager)context.getSystemService(Context.ALARM_SERVICE);
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Intent intent = new Intent(context, Notifications.class);
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intent.putExtra(ID_KEY, id);
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PendingIntent sender = PendingIntent.getBroadcast(context, 0, intent, 0);
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Log.e("ALARM", "Alarm set for " + new Date(when));
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am.set(AlarmManager.RTC, when, sender);
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}
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// --- notification manager stuff
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/** Clear notifications associated with this application */
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public static void clearAllNotifications(Context context, TaskIdentifier taskId) {
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@ -77,16 +108,14 @@ public class Notifications extends BroadcastReceiver {
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}
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/** Schedule a new notification about the given task */
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public static void scheduleNotification(Context context,
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TaskIdentifier taskId, long when) {
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public static void showNotification(Context context, long id) {
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NotificationManager nm = (NotificationManager) context
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.getSystemService(Context.NOTIFICATION_SERVICE);
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Resources r = context.getResources();
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Intent notifyIntent = new Intent(context, TaskView.class);
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notifyIntent.putExtra(TaskView.LOAD_INSTANCE_TOKEN,
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taskId.getId());
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notifyIntent.putExtra(TaskView.LOAD_INSTANCE_TOKEN, id);
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notifyIntent.putExtra(TaskView.FROM_NOTIFICATION_TOKEN, true);
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PendingIntent pendingIntent = PendingIntent.getActivity(context,
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0, notifyIntent, PendingIntent.FLAG_ONE_SHOT);
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@ -98,7 +127,8 @@ public class Notifications extends BroadcastReceiver {
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String reminder = reminders[next];
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Notification notification = new Notification(
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android.R.drawable.stat_notify_chat, reminder, when);
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android.R.drawable.stat_notify_chat, reminder,
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System.currentTimeMillis());
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notification.setLatestEventInfo(context,
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appName,
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@ -109,9 +139,8 @@ public class Notifications extends BroadcastReceiver {
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notification.vibrate = new long[] { 300, 50, 50, 300, 100, 300, 100,
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100, 200 };
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Log.w("Notifications", "Logging notification: " + reminder + " for " +
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(when - System.currentTimeMillis())/1000 + " seconds from now");
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nm.notify((int)taskId.getId(), notification);
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Log.w("Notifications", "Logging notification: " + reminder);
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nm.notify((int)id, notification);
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}
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}
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Tim Su
16 years ago
