Some small tweaks.

HypoAlarm/src/main/java/za/org/treehouse/hypoalarm/AlarmAlertActivity.java

@@ -19,14 +19,18 @@ import java.util.TimerTask;
 
 // TODO See GlowPad.
 
+// TODO sound audible alarm -- see AlarmKlaxon.java
+// TODO Lower alarm volume if in phone call (and detect phone call!)
+// TODO set another alarm for the next half-hour (or grace_period / 2)?
+
 public class AlarmAlertActivity extends Activity {
     // TODO correct life
-    static int ALERT_LIFE = 1000*10;//1000*60*2; // 2 minutes
-    private Timer timer;
-    private PowerManager.WakeLock fullWl;
-    private AlarmManager graceManager;
-    private PendingIntent gracePendingIntent;
-    private Vibrator vibrator;
+    private static final int ALERT_LIFE = 1000*10;//1000*60*2; // 2 minutes
+    private static final Timer timer = new Timer();
+    private static PowerManager.WakeLock fullWl;
+    private static AlarmManager graceManager;
+    private static PendingIntent gracePendingIntent;
+    private static Vibrator vibrator;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -42,7 +46,6 @@ public class AlarmAlertActivity extends Activity {
             WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON );
 
         // Turn off the alert activity, and switch to a notification
-        timer = new Timer();
         timer.schedule(new TimerTask() {
             public void run() {
                 // Switch to notification