add wrapper for group

Group.cs

@@ -12,25 +12,18 @@ namespace YOUserbase {
 
         private static int index = 0;
 
-        public Group() {
+        public Group () {
             Id = ++index;
         }
 
-        // Change value so setter looks a bit nicer :)
-        private void ChangeValue<T>(ref T field, T value) {
+        // Wrpper to change vaulue and notify if it changed
+        private void ChangeValue<T> (ref T field, T value, [CallerMemberName] string propertyName = "") {
             if(!value.Equals(field)) {
                 field = value;
-                NotifyPropertyChanged();
+                PropertyChanged(this, new PropertyChangedEventArgs(propertyName));
             }
         }
 
-        // This method is called by the Set accessor of each property.
-        // The CallerMemberName attribute that is applied to the optional propertyName
-        // parameter causes the property name of the caller to be substituted as an argument.
-        private void NotifyPropertyChanged([CallerMemberName] string propertyName = "") {
-            if(PropertyChanged != null) { PropertyChanged(this, new PropertyChangedEventArgs(propertyName)); }
-        }
-
         public event PropertyChangedEventHandler PropertyChanged;
     }
 }

User.cs

@@ -26,30 +26,22 @@ namespace YOUserbase {
 
         private static int index = 0;
 
-        public User() {
+        public User () {
             Id = ++index;
         }
 
-        public User(int id) {
+        public User (int id) {
             Id = id;
         }
 
-        // Change value so setter looks a bit nicer :)
-        private void ChangeValue<T>(ref T field, T value, [CallerMemberName] string propertyName = "") {
+        // Wrpper to change vaulue and notify if it changed
+        private void ChangeValue<T> (ref T field, T value, [CallerMemberName] string propertyName = "") {
             if(!value.Equals(field)) {
                 field = value;
-                NotifyPropertyChanged(propertyName);
+                PropertyChanged(this, new PropertyChangedEventArgs(propertyName));
             }
         }
 
-        // This method is called by the Set accessor of each property.
-        // The CallerMemberName attribute that is applied to the optional propertyName
-        // parameter causes the property name of the caller to be substituted as an argument.
-        private void NotifyPropertyChanged([CallerMemberName] string propertyName = "") {
-            Console.WriteLine(propertyName);
-            if(PropertyChanged != null) { PropertyChanged(this, new PropertyChangedEventArgs(propertyName)); }
-        }
-
         public event PropertyChangedEventHandler PropertyChanged;
     }
 }

UserOverviewPage.xaml.cs

@@ -46,10 +46,8 @@ public partial class UserOverviewPage : ContentPage {
     protected bool SetProperty<T>(ref T field, T newValue, [CallerMemberName] string propertyName = null) {
         if(!Equals(field, newValue)) {
             field = newValue;
-            // PropertyChanged?.Invoke (this, new PropertyChangedEventArgs (propertyName));
             return true;
         }
-
         return false;
     }
 }