added compass drawables to the lib

CompasOverlay.java
updated all methods that set mX and mY to use dip instead of px
updated default drawables to compass_sm.png and needle_sm.png

added RadiusOverlay.java and LocationSelectedListener.java to the library

LocationLib/gen/com/TwentyCodes/android/SkyHook/R.java

@@ -12,17 +12,23 @@ public final class R {
     }
     public static final class drawable {
         public static int compass=0x7f020000;
-        public static int logoidea3=0x7f020001;
-        public static int needle=0x7f020002;
-        public static int skyhook_logo=0x7f020003;
-        public static int skyhook_logo_alpha=0x7f020004;
-        public static int skyhook_logo_alpha_small=0x7f020005;
-        public static int tc_logo_complete=0x7f020006;
-        public static int user=0x7f020007;
-        public static int user_arrow_animation_1=0x7f020008;
-        public static int user_arrow_animation_2=0x7f020009;
-        public static int user_arrow_animation_3=0x7f02000a;
-        public static int userarrow=0x7f02000b;
+        public static int compass_lrg=0x7f020001;
+        public static int compass_med=0x7f020002;
+        public static int compass_sm=0x7f020003;
+        public static int logoidea3=0x7f020004;
+        public static int needle=0x7f020005;
+        public static int needle_lrg=0x7f020006;
+        public static int needle_med=0x7f020007;
+        public static int needle_sm=0x7f020008;
+        public static int skyhook_logo=0x7f020009;
+        public static int skyhook_logo_alpha=0x7f02000a;
+        public static int skyhook_logo_alpha_small=0x7f02000b;
+        public static int tc_logo_complete=0x7f02000c;
+        public static int user=0x7f02000d;
+        public static int user_arrow_animation_1=0x7f02000e;
+        public static int user_arrow_animation_2=0x7f02000f;
+        public static int user_arrow_animation_3=0x7f020010;
+        public static int userarrow=0x7f020011;
     }
     public static final class id {
         public static int skyhook_img=0x7f050000;

LocationLib/src/com/TwentyCodes/android/location/CompasOverlay.java

@@ -7,11 +7,13 @@
 package com.TwentyCodes.android.location;
 
 import android.content.Context;
+import android.content.res.Resources;
 import android.graphics.Bitmap;
 import android.graphics.BitmapFactory;
 import android.graphics.Canvas;
 import android.graphics.Matrix;
 import android.graphics.Point;
+import android.util.TypedValue;
 
 import com.TwentyCodes.android.SkyHook.R;
 import com.google.android.maps.GeoPoint;
@@ -30,10 +32,10 @@ public class CompasOverlay extends Overlay implements CompassListener {
 	private GeoPoint mLocation;
 	private boolean isEnabled;
 	private CompassSensor mCompassSensor;
-	private int mNeedleResId = R.drawable.needle;
-	private int mBackgroundResId = R.drawable.compass;
-	private int mX = 100;
-	private int mY = 100;
+	private int mNeedleResId = R.drawable.needle_sm;
+	private int mBackgroundResId = R.drawable.compass_sm;
+	private int mX;
+	private int mY;
 	private CompassListener mListener;
 
 	/**
@@ -43,6 +45,8 @@ public class CompasOverlay extends Overlay implements CompassListener {
 	public CompasOverlay(Context context) {
 		mContext = context;
 		mCompassSensor = new CompassSensor(context);
+		mX = convertDipToPx(40);
+		mY = mX;
 	}
 	
 	/**
@@ -56,6 +60,24 @@ public class CompasOverlay extends Overlay implements CompassListener {
 		mDestination = destination;
 	}
 
+	/**
+	 * Creates a new CompasOverlay
+	 * @param context
+	 * @param destination
+	 * @param needleResId
+	 * @param backgroundResId
+	 * @param x dip
+	 * @param y dip
+	 * @author ricky barrette
+	 */
+	public CompasOverlay(Context context, GeoPoint destination, int needleResId, int backgroundResId, int x, int y){
+		this(context, destination);
+		mX = convertDipToPx(x);
+		mY = convertDipToPx(y);
+		mNeedleResId = needleResId;
+		mBackgroundResId = backgroundResId;
+	}
+	
 	/**
 	 * Creates a new CompasOverlay
 	 * @param context
@@ -69,24 +91,6 @@ public class CompasOverlay extends Overlay implements CompassListener {
 		this(context, null, needleResId, backgroundResId, x, y);
 	}
 
-	/**
-	 * Creates a new CompasOverlay
-	 * @param context
-	 * @param destination
-	 * @param needleResId
-	 * @param backgroundResId
-	 * @param x
-	 * @param y
-	 * @author ricky barrette
-	 */
-	public CompasOverlay(Context context, GeoPoint destination, int needleResId, int backgroundResId, int x, int y){
-		this(context, destination);
-		mX = x;
-		mY = y;
-		mNeedleResId = needleResId;
-		mBackgroundResId = backgroundResId;
-	}
-	
 	/**
 	 * Calculated the bearing from the current location to the current destination, or returns the bearing for north if there is no destination
 	 * @return bearing
@@ -103,6 +107,17 @@ public class CompasOverlay extends Overlay implements CompassListener {
 		return bearing;
 	}
 	
+	/**
+	 * Converts dip to px
+	 * @param dip
+	 * @return px
+	 * @author ricky barrette
+	 */
+	private int convertDipToPx(int i) {
+		Resources r = mContext.getResources();
+		return (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, i, r.getDisplayMetrics());
+	}
+
 	/**
 	 * Disables the compass overlay
 	 * @author ricky barrette
@@ -214,11 +229,13 @@ public class CompasOverlay extends Overlay implements CompassListener {
 	/**
 	 * @param needleResId
 	 * @param backgroundResId
+	 * @param x dip
+	 * @param y dip
 	 * @author ricky barrette
 	 */
 	public void setDrawables(int needleResId, int backgroundResId, int x, int y){
-		mX = x;
-		mY = y;
+		mX = convertDipToPx(x);
+		mY = convertDipToPx(y);
 		mNeedleResId = needleResId;
 		mBackgroundResId = backgroundResId;
 	}

LocationLib/src/com/TwentyCodes/android/location/LocationSelectedListener.java

@@ -0,0 +1,12 @@
+package com.TwentyCodes.android.location;
+
+import com.google.android.maps.GeoPoint;
+
+/**
+ * This interface will be used to pass the selected location from the dialogs to the listening instance
+ * @author ricky barrette
+ */
+public interface LocationSelectedListener {
+
+	public void onLocationSelected(GeoPoint point);
+}

LocationLib/src/com/TwentyCodes/android/location/RadiusOverlay.java

@@ -0,0 +1,156 @@
+/**
+* @author Twenty Codes
+* @author ricky barrette
+*/
+
+package com.TwentyCodes.android.location;
+
+import android.graphics.Canvas;
+import android.graphics.Color;
+import android.graphics.Paint;
+import android.graphics.Paint.Style;
+import android.graphics.Point;
+import android.graphics.RectF;
+
+import com.google.android.maps.GeoPoint;
+import com.google.android.maps.MapView;
+import com.google.android.maps.Overlay;
+import com.google.android.maps.OverlayItem;
+import com.google.android.maps.Projection;
+
+/**
+ * This class will used to draw a radius of a specified size in a specified location, then inserted into 
+ * an overlay list to be displayed a map
+ * @author ricky barrette
+ */
+public class RadiusOverlay extends Overlay{
+
+	public OverlayItem mOverlayItem;
+	private GeoPoint mPoint;
+	private float mRadius = 0;
+	private int mColor = Color.GREEN;
+	private GeoPoint mRadiusPoint;
+	private LocationSelectedListener mListener;
+	
+	/**
+	 * Creates a new RadiusOverlay
+	 * @author ricky barrette
+	 */
+	public RadiusOverlay(){
+	}
+	
+	/**
+	 * Creates a new RadiusOverlay object that can be inserted into an overlay list.
+	 * @param point center of radius geopoint 
+	 * @param radius radius in meters
+	 * @param color desired color of the radius from Color API
+	 * @author ricky barrette
+	 */
+	public RadiusOverlay(GeoPoint point, float radius, int color) {
+		mPoint = point;
+		mRadius = radius;
+		mColor = color;
+	}
+	
+	/**
+	 * draws a specific radius on the mapview that is handed to it
+	 * @param canvas canvas to be drawn on
+	 * @param mapView 
+	 * @param shadow 
+	 * @param when
+	 */
+	@Override
+	public void draw(Canvas canvas, MapView mapView, boolean shadow){
+		if(mPoint != null){
+	    	Paint paint = new Paint();
+	    	Point center = new Point();
+	    	Point left = new Point();
+	        Projection projection = mapView.getProjection();
+	
+	        /*
+	         * Calculate a geopoint that is "radius" meters away from geopoint point and 
+	         * convert the given GeoPoint and leftGeo to onscreen pixel coordinates, 
+	         * relative to the top-left of the MapView that provided this Projection.
+	         */
+	        mRadiusPoint = GeoUtils.distanceFrom(mPoint , mRadius);
+	        projection.toPixels(mRadiusPoint, left);
+	        projection.toPixels(mPoint, center);
+	        
+	        /*
+	         * get radius of the circle being drawn by 
+	         */
+	        int circleRadius = center.x - left.x;
+	        if(circleRadius <= 0){
+	        	circleRadius = left.x - center.x;
+	        }
+	        
+	        /*
+	         * paint a circle on the map  
+	         */
+	        paint.setAntiAlias(true);
+	        paint.setStrokeWidth(2.0f);
+	        paint.setColor(mColor);
+	        paint.setStyle(Style.STROKE);
+	        canvas.drawCircle(center.x, center.y, circleRadius, paint);
+	
+	        //draw a dot over the geopoint 
+			RectF oval = new RectF(center.x - 2, center.y - 2, center.x + 2, center.y + 2);
+			canvas.drawOval(oval, paint);
+	
+			//fill the radius with a nice green
+			paint.setAlpha(25);
+	        paint.setStyle(Style.FILL);
+	        canvas.drawCircle(center.x, center.y, circleRadius, paint);   
+		}
+	}
+	
+	/**
+	 * @return the selected location
+	 * @author ricky barrette
+	 */
+	public GeoPoint getLocation(){
+		return mPoint;
+	}
+	
+	@Override
+	public boolean onTap(GeoPoint p, MapView mapView) {
+		mPoint = p;
+		if(this.mListener != null)
+			this.mListener.onLocationSelected(p);
+		return super.onTap(p, mapView);
+	}
+
+	/**
+	 * @param color
+	 * @author ricky barrette
+	 */
+	public void setColor(int color){
+		mColor = color;
+	}
+	
+	/**
+	 * @param location
+	 * @author ricky barrette
+	 */
+	public void setLocation(GeoPoint location){
+		mPoint = location;
+	}
+	
+	/**
+	 * @param radius in meters
+	 * @author ricky barrette
+	 * @param radius 
+	 */
+	public void setRadius(int radius){
+		mRadius = radius;
+	}
+
+	public int getZoomLevel() {
+//		GeoUtils.GeoUtils.distanceFrom(mPoint , mRadius)
+		return 0;
+	}
+
+	public void setLocationSelectedListener(LocationSelectedListener listener) {
+		this.mListener = listener;		
+	}
+}

LocationLib/src/com/TwentyCodes/android/location/UserOverlay.java

@@ -10,81 +10,136 @@ import android.app.ProgressDialog;
 import android.content.Context;
 import android.content.DialogInterface;
 import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
 import android.graphics.Canvas;
 import android.graphics.Color;
 import android.graphics.Matrix;
 import android.graphics.Paint;
 import android.graphics.Paint.Style;
 import android.graphics.Point;
-import android.graphics.drawable.AnimationDrawable;
-import android.graphics.drawable.BitmapDrawable;
-import android.location.Location;
 import android.os.Handler;
 import android.os.SystemClock;
+import android.util.Log;
 
 import com.TwentyCodes.android.SkyHook.R;
+import com.TwentyCodes.android.debug.Debug;
 import com.google.android.maps.GeoPoint;
 import com.google.android.maps.MapView;
-import com.google.android.maps.MyLocationOverlay;
+import com.google.android.maps.Overlay;
 import com.google.android.maps.Projection;
 
 /**
  * This is the standard version of the UserOverlay. 
  * @author ricky barrette
  */
-public class UserOverlay extends MyLocationOverlay {
+public class UserOverlay extends Overlay implements GeoPointLocationListener, CompassListener {
 	
+	private boolean isEnabled;
+	private int mUserArrow = R.drawable.user_arrow_animation_1;
+	private Thread mAnimationThread;
+
+	private float mBearing = 0;
+	private int mAccuracy;
+	private GeoPoint mPoint;
 	private Context mContext;
+	private AndroidGPS mAndroidGPS;
 	private MapView mMapView;
 	private ProgressDialog mGPSprogress;
-	private boolean isFirstFix = true;
+	private boolean isFistFix = true;
 	private GeoPointLocationListener mListener;
-	private boolean isFollowingUser = true;
-	private float myAzimuth;
-	private GeoPoint mUser;
-	private GeoPoint mDest;
-	private boolean isShowingCompass;
-	private AnimationDrawable mUserArrow;
+	public boolean isFollowingUser = true;
+	private final String TAG = "SkyHookUserOverlay";
+	private CompasOverlay mCompass;
+	private boolean isCompassEnabled;
+	private boolean isGPSDialogEnabled;
 	
 	/**
-	 * Creates a new UserOverlay
-	 * @param context
+	 * Construct a new SkyHookUserOverlaymFollowUser
 	 * @param mapView
+	 * @param context
 	 * @author ricky barrette
 	 */
-	public UserOverlay(Context context, MapView mapView) {
-		super(context, mapView);
-		mMapView = mapView;
+	public UserOverlay(MapView mapView, Context context) {
 		mContext = context;
-		mUserArrow = (AnimationDrawable) mContext.getResources().getAnimation(R.drawable.userarrow);
-    	mUserArrow.start();
+		mMapView = mapView;
+		mAndroidGPS = new AndroidGPS(context);
+		mCompass = new CompasOverlay(context);
+		mUserArrow = R.drawable.user_arrow_animation_1;
 	}
 	
 	/**
-	 * disables the compass view
-	 * (non-Javadoc)
-	 * @see com.google.android.maps.MyLocationOverlay#disableCompass()
+	 * Construct a new SkyHookUserOverlay
+	 * @param mapView
+	 * @param context
+	 * @param followUser
+	 * @author ricky barrette
+	 */
+	public UserOverlay(MapView mapView, Context context, boolean followUser) {
+		this(mapView, context);
+		isFollowingUser = followUser;
+	}
+	
+	/**
+	 * Disables the compass
 	 * @author ricky barrette
 	 */
-	@Override
 	public void disableCompass(){
-		isShowingCompass = false;
+		isCompassEnabled = false;
+		mMapView.getOverlays().remove(mCompass);
+		
 	}
 	
 	/**
-	 * called when the overlay is disabled. this will disable all progress dialogs, and location based servicess
+	 * Stops location updates and removes the overlay from view
+	 * @author ricky barrette
+	 */
+	public void disableMyLocation(){
+		Log.d(TAG,"disableMyLocation()");
+		mAndroidGPS.disableLocationUpdates();
+		isEnabled = false;
+		mCompass.disable();
+		if(mGPSprogress != null)
+			mGPSprogress.cancel();
+	}
+	
+	/**
+	 * Disables the Acquiring GPS dialog
+	 * @author ricky barrette
+	 */
+	public void disableGPSDialog(){
+		isGPSDialogEnabled = false;
+		if(mGPSprogress != null)
+			mGPSprogress.dismiss();
+	}
+	
+	/**
+	 * we override this methods so we can provide a drawable and a location to draw on the canvas.
 	 * (non-Javadoc)
-	 * @see com.google.android.maps.MyLocationOverlay#disableMyLocation()
+	 * @see com.google.android.maps.Overlay#draw(android.graphics.Canvas, com.google.android.maps.MapView, boolean)
+	 * @param canvas
+	 * @param mapView
+	 * @param shadow
 	 * @author ricky barrette
 	 */
 	@Override
-	public void disableMyLocation(){
-		super.disableCompass();
-		super.disableMyLocation();
-		mGPSprogress.dismiss();
+	public void draw(Canvas canvas, MapView mapView, boolean shadow){
+		if (isEnabled && mPoint != null) {
+			Point center = new Point();
+			Point left = new Point();
+			Projection projection = mapView.getProjection();
+			GeoPoint leftGeo = GeoUtils.distanceFrom(mPoint, mAccuracy);
+			projection.toPixels(leftGeo, left);
+			projection.toPixels(mPoint, center);
+			canvas = drawAccuracyCircle(center, left, canvas);
+			canvas = drawUser(center, mBearing, canvas);
+			/*
+			 * the following log is used to demonstrate if the leftGeo point is the correct
+			 */
+//			Log.d(SkyHook.TAG, (GeoUtils.distanceKm(mPoint, leftGeo) * 1000)+"m");
+		}
+		super.draw(canvas, mapView, shadow);
 	}
 
-	
 	/**
 	 * draws an accuracy circle onto the canvas supplied
 	 * @param center point of the circle
@@ -129,64 +184,7 @@ public class UserOverlay extends MyLocationOverlay {
         return canvas;
 	}
 	
-	/**
-	 * computes bearing to geopoint based on device oriantaion and draws the compass of what you want really really badly on screen
-	 * @param - canvas - the canvas to draw on
-	 * @param - bearing - bearing of user based on magnetic compass
-	 * @author ricky barrette
-	 */
-	@Override
-	protected void drawCompass(Canvas canvas, float bearing){
-		myAzimuth = bearing;
-
-		mMapView.invalidate();
-
-		if (isShowingCompass) {
-			/*
-			 * if the dest and user geopoint are not null, then draw the compass point to the dest geopoint
-			 * 
-			 * else draw the compass to point north
-			 */
-			if (mUser != null && mDest != null){
-				Double d = GeoUtils.bearing(mUser, mDest);
-				bearing = bearing - d.floatValue();
-			} else if (bearing != 0){
-				bearing = 360 - bearing;
-			}
-			
-			super.drawCompass(canvas, bearing);
-		}
-	}
-	
-	/**
-	 * we override this methods so we can provide a drawable and a location to draw on the canvas.
-	 * (non-Javadoc)
-	 * @see com.google.android.maps.Overlay#draw(android.graphics.Canvas, com.google.android.maps.MapView, boolean)
-	 * @param canvas
-	 * @param mapView
-	 * @param shadow
-	 * @author ricky barrette
-	 */
-	@Override
-	protected void drawMyLocation(Canvas canvas, MapView mapView, Location lastFix, GeoPoint point, long when){
-		if (point != null) {
-
-			Point center = new Point();
-			Point left = new Point();
-			Projection projection = mapView.getProjection();
-			GeoPoint leftGeo = GeoUtils.distanceFrom(point, lastFix.getAccuracy());
-			projection.toPixels(leftGeo, left);
-			projection.toPixels(point, center);
-			canvas = drawAccuracyCircle(center, left, canvas);
-			canvas = drawUser(center, myAzimuth, canvas);
-			/*
-			 * the following log is used to demonstrate if the leftGeo point is the correct
-			 */
-//			Log.d(SkyHook.TAG, (GeoUtils.distanceKm(mPoint, leftGeo) * 1000)+"m");
-		}
-	}
-	
-	/**
+    /**
      * draws user arrow that points north based on bearing onto the supplied canvas
      * @param point to draw user arrow on
      * @param bearing of the device
@@ -195,14 +193,14 @@ public class UserOverlay extends MyLocationOverlay {
      * @author ricky barrette
      */
     private Canvas drawUser(Point point, float bearing, Canvas canvas){
-        Bitmap arrowBitmap = ((BitmapDrawable)mUserArrow.getCurrent()).getBitmap();
+    	Bitmap user = BitmapFactory.decodeResource(mContext.getResources(), mUserArrow);
         Matrix matrix = new Matrix();
         matrix.postRotate(bearing);
         Bitmap rotatedBmp = Bitmap.createBitmap(
-            arrowBitmap, 
+            user, 
             0, 0, 
-            arrowBitmap.getWidth(), 
-            arrowBitmap.getHeight(), 
+            user.getWidth(), 
+            user.getHeight(), 
             matrix, 
             true
         );
@@ -215,55 +213,73 @@ public class UserOverlay extends MyLocationOverlay {
         return canvas;
     }
     
-	/**
-	 * enables the compass view
-	 * (non-Javadoc)
-	 * @see com.google.android.maps.MyLocationOverlay#enableCompass()
-	 * @author ricky barrette
-	 */
-	@Override
-	public boolean enableCompass(){
-		isShowingCompass = true;
-		return isShowingCompass;
-	}
+    /**
+     * Enables the compass
+     * @author ricky barrette
+     */
+    public synchronized void enableCompass(){
+    	if(! this.isCompassEnabled){
+    		this.mMapView.getOverlays().add(this.mCompass);
+    		this.isCompassEnabled = true;
+    	}
+    }
     
     /**
-	 * called when the user overlay is enabled, this will display the progress dialog
-	 * (non-Javadoc)
-	 * @see com.google.android.maps.MyLocationOverlay#enableMyLocation()
-	 * @author ricky barrette
-	 */
-	@Override
-	public boolean enableMyLocation(){
-		mGPSprogress = ProgressDialog.show(mContext, "", mContext.getText(R.string.gps_fix), true, true);
-		isFirstFix = true;
-		super.enableCompass();
+     * Enables the Acquiring GPS dialog if the location has not been acquired
+     * @author ricky barrette
+     */
+    public void enableGPSDialog(){
+    	isGPSDialogEnabled = true;
+    	if(isFistFix)
+    		if(mGPSprogress != null){
+    			if(! mGPSprogress.isShowing())
+    				mGPSprogress = ProgressDialog.show(mContext, "", mContext.getText(R.string.gps_fix), true, true);
+    		} else
+    			mGPSprogress = ProgressDialog.show(mContext, "", mContext.getText(R.string.gps_fix), true, true);
+    }
     
-		/**
-		 * this is a message that tells the user that we are having trouble getting an GPS signal
-		 */
-		new Handler().postAtTime(new Runnable() {
-			@Override
-			public void run() {
-				if (mGPSprogress.isShowing()) {
-					mGPSprogress.cancel();
-					AlertDialog.Builder builder = new AlertDialog.Builder(mContext);
-					builder.setMessage(
-							mContext.getText(R.string.sorry_theres_trouble))
-							.setCancelable(false)
-							.setPositiveButton(mContext.getText(android.R.string.ok),
-									new DialogInterface.OnClickListener() {
-										public void onClick( DialogInterface dialog, int id) {
-											dialog.cancel();
-										}
-									});
-					builder.show();
+    /**
+     * Attempts to enable MyLocation, registering for updates from sky hook
+     * @author ricky barrette
+     */
+    public void enableMyLocation(){
+    	Log.d(TAG,"enableMyLocation()");
+    	if (! isEnabled) {
+    		
+    		mAnimationThread = new AnimationThread();
+    		mAnimationThread.start();
+    		
+			mAndroidGPS.enableLocationUpdates(this);
+			isEnabled = true;
+			mCompass.enable(this);
+			isFistFix = true;
+			if(isGPSDialogEnabled)
+				enableGPSDialog();
+			
+			/**
+			 * this is a message that tells the user that we are having trouble getting an GPS signal
+			 */
+			new Handler().postAtTime(new Runnable() {
+				@Override
+				public void run() {
+					if (mGPSprogress.isShowing()) {
+						mGPSprogress.cancel();
+						AlertDialog.Builder builder = new AlertDialog.Builder(mContext);
+						builder.setMessage(
+								mContext.getText(R.string.sorry_theres_trouble))
+								.setCancelable(false)
+								.setPositiveButton(mContext.getText(android.R.string.ok),
+										new DialogInterface.OnClickListener() {
+											public void onClick( DialogInterface dialog, int id) {
+												dialog.cancel();
+											}
+										});
+						builder.show();
+					}
 				}
-			}
-		}, SystemClock.uptimeMillis()+90000L);
-		
-		return super.enableMyLocation();
-	}
+			}, SystemClock.uptimeMillis()+90000L);
+		}
+    }
     
     /**
      * Allows the map to follow the user
@@ -271,11 +287,38 @@ public class UserOverlay extends MyLocationOverlay {
      * @author ricky barrette
      */
     public void followUser(boolean followUser){
+    	Log.d(TAG,"followUser()");
     	isFollowingUser = followUser;
     }
     
+    /**
+     * returns the users current bearing
+     * @return
+     * @author ricky barrette
+     */
+    public float getUserBearing(){
+    	return mBearing;
+    }
+    
 	/**
-	 * called when the SkyHook location changes, this method is resposiable for updating the overlay location and accuracy circle.
+	 * returns the users current location
+	 * @return
+	 * @author ricky barrette
+	 */
+	public GeoPoint getUserLocation(){
+		return mPoint;
+	}
+
+	@Override
+	public void onCompassUpdate(float bearing) {
+		if(Debug.DEBUG)
+			Log.v(TAG, "onCompassUpdate()");
+		mBearing = bearing;
+		mMapView.invalidate();
+	}
+
+	/**
+	 * called when the SkyHook location changes, this mthod is resposiable for updating the overlay location and accuracy circle.
 	 * (non-Javadoc)
 	 * @see com.TwentyCodes.android.SkyHook.GeoPointLocationListener.location.LocationListener#onLocationChanged(com.google.android.maps.GeoPoint, float)
 	 * @param point
@@ -283,28 +326,34 @@ public class UserOverlay extends MyLocationOverlay {
 	 * @author ricky barrette
 	 */
 	@Override
-	public void onLocationChanged(Location location) {
+	public void onLocationChanged(GeoPoint point, int accuracy) {
 		
-		GeoPoint point = new GeoPoint((int) (location.getLatitude() *1e6), (int) (location.getLongitude() *1e6));
+		if(mCompass != null)
+			mCompass.setLocation(point);
 		
 		/*
 		 * if this is the first fix
 		 * set map center the users location, and zoom to the max zoom level
 		 */
-		if(point != null && isFirstFix){
+		if(point != null && isFistFix){
 			mMapView.getController().setCenter(point);
-			mMapView.getController().setZoom(mMapView.getMaxZoomLevel()+3);
-			mGPSprogress.dismiss();
-			isFirstFix = false;
+			mMapView.getController().setZoom( (mMapView.getMaxZoomLevel() - 2) );
+			if(mGPSprogress != null)
+				mGPSprogress.dismiss();
+			isFistFix = false;
+		}
+		
+		//update the users point, and accuracy for the UI
+		mPoint = point;
+		mAccuracy = accuracy;
+		mMapView.invalidate();
+		if(mListener != null){
+			mListener.onLocationChanged(point, accuracy);
 		}
 		
-		//pan to user if off map
 		if (isFollowingUser) {
 			panToUserIfOffMap(point);
 		}
-		
-		mListener.onLocationChanged(point, (int) location.getAccuracy());
-		super.onLocationChanged(location);
 	}
 
 	/**
@@ -335,17 +384,107 @@ public class UserOverlay extends MyLocationOverlay {
 	 * @author Ricky Barrette
 	 */
 	public void registerListener(GeoPointLocationListener listener){
+		Log.d(TAG,"registerListener()");
 		if (mListener == null){
 			mListener = listener;
 		}
 	}
 	
+	/**
+	 * Sets the destination for the compass
+	 * @author ricky barrette
+	 */
+	public void setDestination(GeoPoint destination){
+		if(mCompass != null)
+			mCompass.setDestination(destination);
+	}
+
 	/**
 	 * UnResgisters the listener. after this call you will no longer get location updates
 	 * @author Ricky Barrette
 	 */
 	public void unRegisterListener(){
+		Log.d(TAG,"unRegisterListener()");
 		mListener = null;
 	}
 
+	/**
+	 * Set the compass drawables and location
+	 * @param needleResId
+	 * @param backgroundResId
+	 * @param x
+	 * @param y
+	 * @author ricky barrette
+	 */
+	public void setCompassDrawables(int needleResId, int backgroundResId, int x, int y) {
+		mCompass.setDrawables(needleResId, backgroundResId, x, y);
+	}
+	
+	
+	/**
+	 * This thread is responsible for animating the user icon
+	 * @author ricky barrette
+	 */
+	private class AnimationThread extends Thread {
+
+		/**
+		 * Main method of this animation thread
+		 * (non-Javadoc)
+		 * @see java.lang.Thread#run()
+		 */
+		@Override 
+		public void run(){
+			super.run();
+			int index = 0;
+			boolean isCountingUp = true;
+			while (true) {
+				synchronized (this) {
+					if (! isEnabled) {
+						break;
+					}
+					
+					switch(index){
+					case 1:
+						setDrawable(R.drawable.user_arrow_animation_2);
+						break;
+					case 2:
+						setDrawable(R.drawable.user_arrow_animation_3);
+						break;
+					default:
+						setDrawable(R.drawable.user_arrow_animation_1);
+						try {
+							sleep(300l);
+						} catch (InterruptedException e) {
+							e.printStackTrace();
+							return;
+						}
+						break;
+					}
+					
+					try {
+						sleep(200l);
+					} catch (InterruptedException e) {
+						e.printStackTrace();
+					}
+					
+					if(isCountingUp){
+						if(index++ == 2)
+							isCountingUp = false;
+					} else if(index-- == 0)
+						isCountingUp = true;
+					
+				}
+			}
+			
+		}
+		
+		/**
+		 * Sets the id of the user drawable
+		 * @param id
+		 * @author ricky barrette
+		 */
+		private synchronized void setDrawable(int id){
+			mUserArrow = id;
+		}
+	}
 }