MainActivity: show save button if any values has changed

app/src/main/java/it/danieleverducci/lunatracker/adapters/LunaEventRecyclerAdapter.kt

@@ -59,7 +59,7 @@ class LunaEventRecyclerAdapter: RecyclerView.Adapter<LunaEventRecyclerAdapter.Lu
             LunaEvent.TYPE_CUSTOM -> item.notes
             else -> item.getTypeDescription(context)
         }
-        holder.time.text = DateUtils.formatTimeAgo(context, item.getEndTime())
+        holder.time.text = DateUtils.formatTimeAgo(context, item.time)
         var quantityText = numericUtils.formatEventQuantity(item)
 
         // if the event is weight, show difference with the last one

app/src/main/java/it/danieleverducci/lunatracker/entities/LunaEvent.kt

@@ -94,18 +94,6 @@ class LunaEvent: Comparable<LunaEvent> {
         this.quantity = quantity
     }
 
-    fun getStartTime(): Long {
-        return time
-    }
-
-    fun getEndTime(): Long {
-        return if (type == TYPE_SLEEP) {
-            time + quantity
-        } else {
-            time
-        }
-    }
-
     fun getTypeEmoji(context: Context): String {
         return context.getString(
             when (type) {