--- /dev/null
+#ifndef INTERFACE_H
+#define INTERFACE_H
+
+#include <hildon/hildon.h>
+
+typedef struct
+{
+ GtkWidget *window;
+ GtkLabel *latitude_value_label;
+ GtkLabel *longitude_value_label;
+ GtkLabel *altitude_value_label;
+ GtkLabel *speed_value_label;
+ GtkLabel *fix_status_label;
+
+} UserInterface;
+
+UserInterface* create_ui(void);
+
+#endif /* INTERFACE_H */