Skeleton for reengagement notifications

astrid/AndroidManifest.xml

@@ -209,6 +209,12 @@
             <action android:name="android.intent.action.PHONE_STATE"/>
         </intent-filter>
     </receiver>
+    
+    <receiver android:name="com.todoroo.astrid.reminder.ReengagementReceiver">
+        <intent-filter>
+            <action android:name="com.timsu.astrid.SHOW_REENGAGEMENT"/> 
+        </intent-filter>
+    </receiver>
 
     <!-- ======================================================== Services = -->
 

astrid/plugin-src/com/todoroo/astrid/reminders/ReengagementReceiver.java

@@ -0,0 +1,24 @@
+package com.todoroo.astrid.reminders;
+
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+
+import com.todoroo.andlib.utility.Preferences;
+
+public class ReengagementReceiver extends BroadcastReceiver {
+
+
+
+    @Override
+    public void onReceive(Context context, Intent intent) {
+
+        int reengagementReminders = Preferences.getInt(ReengagementService.PREF_REENGAGEMENT_COUNT, 1);
+        Preferences.setInt(ReengagementService.PREF_REENGAGEMENT_COUNT, reengagementReminders + 1);
+
+        // TODO: show dialog
+
+        ReengagementService.scheduleReengagementAlarm(context);
+    }
+
+}

astrid/plugin-src/com/todoroo/astrid/reminders/ReengagementService.java

@@ -0,0 +1,41 @@
+package com.todoroo.astrid.reminders;
+
+import android.app.AlarmManager;
+import android.app.PendingIntent;
+import android.content.Context;
+import android.content.Intent;
+
+import com.todoroo.andlib.utility.DateUtilities;
+import com.todoroo.andlib.utility.Preferences;
+import com.todoroo.astrid.utility.Constants;
+
+public final class ReengagementService {
+
+    private static final int REQUEST_CODE = 10;
+
+    public static final String PREF_REENGAGEMENT_COUNT = "pref_reengagement_count"; //$NON-NLS-1$
+
+    public static final String BROADCAST_SHOW_REENGAGEMENT = Constants.PACKAGE + ".SHOW_REENGAGEMENT"; //$NON-NLS-1$
+
+    public static void scheduleReengagementAlarm(Context context) {
+        AlarmManager am = (AlarmManager)context.getSystemService(Context.ALARM_SERVICE);
+        Intent intent = new Intent(BROADCAST_SHOW_REENGAGEMENT);
+        PendingIntent pendingIntent = PendingIntent.getBroadcast(context, REQUEST_CODE, intent, 0);
+        am.cancel(pendingIntent);
+
+        long time = getNextReminderTime();
+        am.set(AlarmManager.RTC_WAKEUP, time, pendingIntent);
+    }
+
+    private static long getNextReminderTime() {
+        int reengagementReminders = Preferences.getInt(PREF_REENGAGEMENT_COUNT, 1);
+        int days;
+        if (reengagementReminders >= 4)
+            days = 12;
+        else
+            days = 3 * reengagementReminders;
+
+        return DateUtilities.now() + DateUtilities.ONE_DAY * days;
+    }
+
+}