Add a grayscale image for the large notification icon.

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

@@ -14,9 +14,6 @@ import android.view.Window;
 import android.view.WindowManager;
 import android.widget.Button;
 
-import java.util.Timer;
-import java.util.TimerTask;
-
 // TODO See GlowPad.
 
 // TODO sound audible alarm -- see AlarmKlaxon.java
@@ -27,11 +24,9 @@ public class AlarmAlertActivity extends Activity {
     // TODO correct alert lifetime
     private static final int ALERT_LIFE = 1000*10; //1000*60*2; // 2 minutes
     private static final long[] vPattern = {500, 500};
-    private static AlarmManager graceManager;
-    private static PendingIntent gracePendingIntent;
-    private static Intent notifyIntent;
-    private static Vibrator vibrator;
     private static Boolean userCancelled;
+    private static Vibrator vibrator;
+    private static Intent notifyIntent;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -57,13 +52,12 @@ public class AlarmAlertActivity extends Activity {
         // Turn off the alert activity, and switch to a notification
         new Handler().postDelayed(new Runnable() {
             public void run() {
-                if (!userCancelled) {
                 // Close the dialogue and switch to notification
                 // if the Activity has not been closed by the user
-                    finish();
+                if (!userCancelled) {
                     startService(notifyIntent);
+                    finish();
                 }
-                Log.d("AlarmAlertActivity", "Started notification");
             }
         }, ALERT_LIFE);
     }
@@ -82,9 +76,37 @@ public class AlarmAlertActivity extends Activity {
         cancelButton.setOnClickListener (new View.OnClickListener() {
             @Override
             public void onClick(View view) {
-                graceManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
+                cancelGraceAlarm();
+            }
+        });
+    }
+
+    /**
+     * Handle the user pressing the back/return button
+     * TODO Do we want this to cancel the alarm and grace period?
+     * TODO Or do we trigger the notification and finish() right away?
+     * TODO probably most intuitive to cancel the alarms...
+     */
+    @Override
+    public void onBackPressed() {
+        cancelGraceAlarm();
+        /* OR:
+        // Ensure that the we don't trigger the notification a second time
+        userCancelled = true;
+        startService(notifyIntent);
+        finish();
+        */
+    }
+
+    public void onStop() {
+        vibrator.cancel();
+        super.onStop();
+    }
+
+    private void cancelGraceAlarm() {
+        AlarmManager graceManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
         Intent graceIntent = new Intent(getApplicationContext(), GraceReceiver.class);
-                gracePendingIntent = PendingIntent.getBroadcast(getApplicationContext(), MainActivity.GRACE_REQUEST, graceIntent, 0);
+        PendingIntent gracePendingIntent = PendingIntent.getBroadcast(getApplicationContext(), MainActivity.GRACE_REQUEST, graceIntent, 0);
         graceManager.cancel(gracePendingIntent);
         Log.d("AlarmAlertActivity", "Cancelled grace alarm.");
         // Ensure we don't load a notification now
@@ -92,11 +114,4 @@ public class AlarmAlertActivity extends Activity {
         // Close the dialogue (stop vibration &c)
         finish();
     }
-        });
-    }
-
-    public void onStop() {
-        vibrator.cancel();
-        super.onStop();
-    }
 }

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

@@ -9,13 +9,14 @@ import android.content.Intent;
 import android.content.SharedPreferences;
 import android.graphics.Bitmap;
 import android.graphics.BitmapFactory;
+import android.graphics.Canvas;
+import android.graphics.ColorMatrix;
+import android.graphics.ColorMatrixColorFilter;
+import android.graphics.Paint;
 import android.os.IBinder;
 import android.preference.PreferenceManager;
 import android.util.Log;
 
-import java.util.Timer;
-import java.util.TimerTask;
-
 public class AlarmNotify extends Service {
     public  static final int notifyID = 1;
     private volatile boolean threadRunning = false;
@@ -45,7 +46,7 @@ public class AlarmNotify extends Service {
         final long endTime = System.currentTimeMillis() + (gracePeriod * 60 * 1000);
 
         //Bitmap bm = BitmapFactory.decodeResource(getResources(), R.drawable.alarm_notification);
-        Bitmap bm = BitmapFactory.decodeResource(getResources(), R.drawable.ic_launcher);
+        Bitmap bm = BitmapFactory.decodeResource(getResources(), R.drawable.ic_grayscale);
         final NotificationManager nm = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
         final Notification.Builder notification = new Notification.Builder(this)
                 .setContentTitle(getString(R.string.app_name))
@@ -93,7 +94,6 @@ public class AlarmNotify extends Service {
                     if (!threadRunning) {
                         return;
                     }
-                    //Log.d("AlarmNotify", "secondsLeft is "+secondsLeft+" and progress is "+progress+" (gracePeriodSeconds is "+gracePeriodSeconds+")");
                     int minutesLeft = secondsLeft / 60;
                     notification.setContentText(String.format(getString(R.string.notificationText), MainActivity.MinutesToGracePeriodStr(minutesLeft)));
                     notification.setProgress(max, progress, false);
@@ -103,6 +103,7 @@ public class AlarmNotify extends Service {
                     secondsLeft = secondsLeft - (UPDATE_INTERVAL / 1000);
                     // Multiply each int by 1000 for greater progress resolution
                     progress = (((gracePeriodSeconds * 1000) - (secondsLeft * 1000)) * max) / (gracePeriodSeconds * 1000);
+                    Log.d("AlarmNotify", "secondsLeft is "+secondsLeft+" and progress is "+progress+" (gracePeriodSeconds is "+gracePeriodSeconds+")");
                     // Sleeps the thread, simulating an operation
                     // that takes time
                     try {
@@ -117,5 +118,4 @@ public class AlarmNotify extends Service {
 
 		return super.onStartCommand(intent, flags, startId);
     }
-
 }

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

@@ -302,7 +302,7 @@ public class MainActivity extends ActionBarActivity {
 
             if (alarmActive) {
                 // Initialise alarm, which displays a dialog and system alert, and
-                // calls CountDownTimer (or AlarmManager?) with grace_period as the delay
+                // calls AlarmManager with grace_period as the delay
                 // which in turn, sends SMS if dialog is not exited.
                 alarmManager = (AlarmManager) getActivity().getSystemService(Context.ALARM_SERVICE);
                 Intent alarmIntent = new Intent(getActivity(), AlarmReceiver.class);