diff --git a/android/modules/analytics/src/ti/modules/titanium/analytics/AnalyticsModule.java b/android/modules/analytics/src/ti/modules/titanium/analytics/AnalyticsModule.java
index 2b0f4fe4725..eeab85a84d3 100644
--- a/android/modules/analytics/src/ti/modules/titanium/analytics/AnalyticsModule.java
+++ b/android/modules/analytics/src/ti/modules/titanium/analytics/AnalyticsModule.java
@@ -7,17 +7,27 @@
 
 package ti.modules.titanium.analytics;
 
+import org.appcelerator.kroll.KrollDate;
 import org.appcelerator.kroll.KrollDict;
 import org.appcelerator.kroll.KrollModule;
 import org.appcelerator.kroll.annotations.Kroll;
+import org.appcelerator.titanium.TiC;
 import org.appcelerator.titanium.TiContext;
 import org.appcelerator.titanium.analytics.TiAnalyticsEventFactory;
 import org.appcelerator.titanium.util.TiConvert;
 
 @Kroll.module
-public class AnalyticsModule extends KrollModule {
+public class AnalyticsModule extends KrollModule 
+{
 
-	public AnalyticsModule(TiContext tiContext) {
+	protected static final String PROPERTY_APP_NAV = "app.nav";
+	protected static final String PROPERTY_APP_TIMED = "app.timed";
+	protected static final String PROPERTY_APP_FEATURE = "app.feature";
+	protected static final String PROPERTY_APP_SETTINGS = "app.settings";
+	protected static final String PROPERTY_APP_USER = "app.user";
+	
+	public AnalyticsModule(TiContext tiContext) 
+	{
 		super(tiContext);
 	}
 
@@ -27,7 +37,8 @@ public void addEvent(String type, String event, @Kroll.argument(optional=true) K
 		localAddEvent(type, event, data);
 	}
 	
-	protected void localAddEvent(String type, String event, KrollDict data) {
+	protected void localAddEvent(String type, String event, KrollDict data) 
+	{
 		getTiContext().getTiApp().postAnalyticsEvent(TiAnalyticsEventFactory.createEvent(type, event, TiConvert.toJSON(data).toString()));
 	}
 
@@ -37,40 +48,57 @@ public void navEvent(String from, String to,
 		@Kroll.argument(optional=true) KrollDict data)
 	{
 		KrollDict payload = new KrollDict();
-		payload.put("from", from);
-		payload.put("to", to);
-		payload.put("event", event);
-		payload.put("data", data);
+		payload.put(TiC.PROPERTY_FROM, from);
+		payload.put(TiC.PROPERTY_TO, to);
+		payload.put(TiC.PROPERTY_EVENT, event);
+		payload.put(TiC.PROPERTY_DATA, data);
 
-		localAddEvent("app.nav", payload.getString("event"), payload);
+		localAddEvent(PROPERTY_APP_NAV, payload.getString(TiC.PROPERTY_EVENT), payload);
 	}
 
 	@Kroll.method
-	public void timedEvent(String event, long start, long stop, int duration,
+	public void timedEvent(String event, Object start, Object stop, int duration,
 		@Kroll.argument(optional=true) KrollDict data)
 	{
 		KrollDict payload = new KrollDict();
-		payload.put("event", event);
-		payload.put("start", start);
-		payload.put("stop", stop);
-		payload.put("duration", duration);
-		payload.put("data", data);
+		payload.put(TiC.PROPERTY_EVENT, event);
+		if (start instanceof Number) {
+			payload.put(TiC.PROPERTY_START, ((Number) start).longValue());
+		} else if (start instanceof KrollDate) {
+			payload.put(TiC.PROPERTY_START, ((KrollDate) start).getTime());
+		} else {
+			throw new IllegalArgumentException("start must be a long or Date.");
+		}
+		
+		if (stop instanceof Number) {
+			payload.put(TiC.PROPERTY_STOP, ((Number) stop).longValue());			
+		} else if (stop instanceof KrollDate) {
+			payload.put(TiC.PROPERTY_STOP, ((KrollDate) start).getTime());
+		} else {
+			throw new IllegalArgumentException("stop must be a long or Date.");
+		}
+		
+		payload.put(TiC.PROPERTY_DURATION, duration);
+		payload.put(TiC.PROPERTY_DATA, data);
 
-		localAddEvent("app.timed", payload.getString("event"), payload);
+		localAddEvent(PROPERTY_APP_TIMED, payload.getString(TiC.PROPERTY_EVENT), payload);
 	}
 
 	@Kroll.method
-	public void featureEvent(String event, @Kroll.argument(optional=true) KrollDict data) {
-		localAddEvent("app.feature", event, data);
+	public void featureEvent(String event, @Kroll.argument(optional=true) KrollDict data) 
+	{
+		localAddEvent(PROPERTY_APP_FEATURE, event, data);
 	}
 
 	@Kroll.method
-	public void settingsEvent(String event, @Kroll.argument(optional=true) KrollDict data) {
-		localAddEvent("app.settings", event, data);
+	public void settingsEvent(String event, @Kroll.argument(optional=true) KrollDict data) 
+	{
+		localAddEvent(PROPERTY_APP_SETTINGS, event, data);
 	}
 
 	@Kroll.method
-	public void userEvent(String event, @Kroll.argument(optional=true) KrollDict data) {
-		localAddEvent("app.user", event, data);
+	public void userEvent(String event, @Kroll.argument(optional=true) KrollDict data) 
+	{
+		localAddEvent(PROPERTY_APP_USER, event, data);
 	}
 }
diff --git a/android/titanium/src/org/appcelerator/titanium/TiC.java b/android/titanium/src/org/appcelerator/titanium/TiC.java
index a14c3272589..be83c00ad24 100644
--- a/android/titanium/src/org/appcelerator/titanium/TiC.java
+++ b/android/titanium/src/org/appcelerator/titanium/TiC.java
@@ -151,6 +151,7 @@ public class TiC
 	public static final String PROPERTY_ELLIPSIZE = "ellipsize";
 	public static final String PROPERTY_ENABLE_ZOOM_CONTROLS = "enableZoomControls";
 	public static final String PROPERTY_ENABLED = "enabled";
+	public static final String PROPERTY_EVENT = "event";
 	public static final String PROPERTY_EXIT_ON_CLOSE = "exitOnClose";
 	public static final String PROPERTY_FILE = "file";
 	public static final String PROPERTY_FILTER_ATTRIBUTE = "filterAttribute";
@@ -165,6 +166,7 @@ public class TiC
 	public static final String PROPERTY_FOOTER_TITLE = "footerTitle";
 	public static final String PROPERTY_FOOTER_VIEW = "footerView";
 	public static final String PROPERTY_FREQUENCY = "frequency";
+	public static final String PROPERTY_FROM = "from";
 	public static final String PROPERTY_FULLSCREEN = "fullscreen";
 	public static final String PROPERTY_GROUP_ID = "groupId";
 	public static final String PROPERTY_HAS_CHECK = "hasCheck";
@@ -268,8 +270,10 @@ public class TiC
 	public static final String PROPERTY_SOURCE = EVENT_PROPERTY_SOURCE;
 	public static final String PROPERTY_SOURCE_LENGTH = "sourceLength";
 	public static final String PROPERTY_SOURCE_POSITION = "sourcePosition";
+	public static final String PROPERTY_START = "start";
 	public static final String PROPERTY_STATE = "state";
 	public static final String PROPERTY_STATUS = "status";
+	public static final String PROPERTY_STOP = "stop";
 	public static final String PROPERTY_STREET = "street";
 	public static final String PROPERTY_STREET1 = "street1";
 	public static final String PROPERTY_STYLE = "style";
@@ -287,6 +291,7 @@ public class TiC
 	public static final String PROPERTY_TITLEID = "titleid";
 	public static final String PROPERTY_TITLE_ON = "titleOn";
 	public static final String PROPERTY_TITLE_OFF = "titleOff";
+	public static final String PROPERTY_TO = "to";
 	public static final String PROPERTY_TOP = "top";
 	public static final String PROPERTY_TOUCH_ENABLED = "touchEnabled";
 	public static final String PROPERTY_TRANSFORM = "transform";