Fix issue and add improvements to MaterialDialog

MaterialDialog.md

@@ -133,6 +133,10 @@ This property is to the font size of the cancel button.
 This property is to the font family of the cancel button.
 <br/>
 
+### Property CancelCornerRadius:
+This property is to set the corner radius of cancel button.
+<br/>
+
 ### Property CancelCommand:
 This property is to the command of the cancel button.
 <br/>
@@ -165,6 +169,10 @@ This property is to the font size of the accept button.
 This property is to the font family of the accept button.
 <br/>
 
+### Property AcceptCornerRadius:
+This property is to set the corner radius of accept button.
+<br/>
+
 ### Property AcceptCommand:
 This property is to the command of the accept button.
 <br/>
@@ -264,4 +272,8 @@ This property is to set the icon when is unchecked. It is a DataTemplate propert
 
 ### Property ItemCheckboxSize
 This property is to set the size of the checkbox.
+<br/>
+
+### Property ItemCheckboxSpacing
+This property is to set the spacing of the checkbox.
 <br/>

example/ExampleMaterialDesignControls/Pages/MaterialDialogPage.xaml

@@ -59,16 +59,17 @@
 
                     <material3:MaterialDialog
                         HeadlineText="Quick selection dialog"
-                        SupportingText="Quick selection dialog with a list of items and a Search."
+                        SupportingText="Quick multiple-selection dialog with a list of items and a Search."
                         AcceptText="Accept"
-                        AcceptCommand="{Binding AcceptSelectionCommand}"
+                        AcceptCommand="{Binding AcceptMultipleSelectionCommand}"
                         CancelText="Cancel"
                         CancelCommand="{Binding CancelCommand}"
                         ShowDivider="True"
                         ItemsSource="{Binding ItemsSourceColors}"
                         ShowSearch="True"
                         SearchPlaceholder="Write text to search"
-                        HeightRequest="500" />
+                        HeightRequest="500"
+                        AllowMultiselect="True" />
 
                     <material3:MaterialDivider Margin="0,10" />
 
@@ -100,15 +101,18 @@
                         DividerColor="DarkBlue"
                         CancelTextColor="DarkBlue"
                         CancelFontSize="12"
-                        AcceptTextColor="DarkBlue"
-                        AcceptBackgroundColor="Transparent"
+                        CancelCornerRadius="4"
+                        AcceptTextColor="LightSkyBlue"
+                        AcceptBackgroundColor="DarkBlue"
                         AcceptFontSize="16"
+                        AcceptCornerRadius="4"
                         SearchTextColor="DarkBlue"
                         SearchBackgroundColor="LightSkyBlue"
                         SearchTextAlignment="Center"
                         ItemTextFontSize="14"
                         ItemTextColor="DarkBlue"
-                        HeightRequest="500">
+                        HeightRequest="500"
+                        ItemCheckboxSpacing="0">
                         <material3:MaterialDialog.CustomIcon>
                             <ffimageloadingsvg:SvgCachedImage Source="resource://ExampleMaterialDesignControls.Resources.Svg.ic_dialog.svg" />
                         </material3:MaterialDialog.CustomIcon>

src/MaterialDesignControls/ControlsMaterial3/MaterialCheckBox.cs

@@ -171,7 +171,9 @@ private void Initialize()
                 VerticalOptions = LayoutOptions.Center,
                 HorizontalOptions = LayoutOptions.Center,
                 WidthRequest = 40,
-                HeightRequest = 40
+                HeightRequest = 40,
+                MinimumWidthRequest = 40,
+                MinimumHeightRequest = 40
             };
 
             _chk = new CustomCheckBox()
@@ -204,6 +206,8 @@ private void Initialize()
                 HorizontalOptions = LayoutOptions.Center,
                 WidthRequest = 40,
                 HeightRequest = 40,
+                MinimumWidthRequest = 40,
+                MinimumHeightRequest = 40,
                 IsVisible = false
             };
 
@@ -232,6 +236,8 @@ private void Initialize()
                 HorizontalOptions = LayoutOptions.Center,
                 WidthRequest = 40,
                 HeightRequest = 40,
+                MinimumWidthRequest = 40,
+                MinimumHeightRequest = 40,
                 IsVisible = false
             };
 

src/MaterialDesignControls/ControlsMaterial3/MaterialDialog.cs

@@ -313,6 +313,15 @@ public bool CancelIsBusy
             set { SetValue(CancelIsBusyProperty, value); }
         }
 
+        public static readonly BindableProperty CancelCornerRadiusProperty =
+            BindableProperty.Create(nameof(CancelCornerRadius), typeof(float), typeof(MaterialDialog), defaultValue: 20f);
+
+        public float CancelCornerRadius
+        {
+            get { return (float)GetValue(CancelCornerRadiusProperty); }
+            set { SetValue(CancelCornerRadiusProperty, value); }
+        }
+
         #endregion CancelButton
 
         #region AcceptButton
@@ -389,6 +398,15 @@ public bool AcceptIsBusy
             set { SetValue(AcceptIsBusyProperty, value); }
         }
 
+        public static readonly BindableProperty AcceptCornerRadiusProperty =
+            BindableProperty.Create(nameof(AcceptCornerRadius), typeof(float), typeof(MaterialDialog), defaultValue: 20f);
+
+        public float AcceptCornerRadius
+        {
+            get { return (float)GetValue(AcceptCornerRadiusProperty); }
+            set { SetValue(AcceptCornerRadiusProperty, value); }
+        }
+
         #endregion AcceptButton
 
         public static readonly BindableProperty ButtonsAlignmentProperty =
@@ -568,6 +586,15 @@ public double ItemCheckboxSize
             set { SetValue(ItemCheckboxSizeProperty, value); }
         }
 
+        public static readonly BindableProperty ItemCheckboxSpacingProperty =
+            BindableProperty.Create(nameof(ItemCheckboxSpacing), typeof(double), typeof(MaterialDialog), defaultValue: 10.0);
+
+        public double ItemCheckboxSpacing
+        {
+            get { return (double)GetValue(ItemCheckboxSpacingProperty); }
+            set { SetValue(ItemCheckboxSpacingProperty, value); }
+        }
+
         #endregion Items
 
         #region Constructor
@@ -691,6 +718,10 @@ protected override void OnPropertyChanged([CallerMemberName] string propertyName
                     _cancelBtn.IsBusy = CancelIsBusy;
                     break;
 
+                case nameof(CancelCornerRadius):
+                    _cancelBtn.CornerRadius = CancelCornerRadius;
+                    break;
+
                 case nameof(AcceptText):
                     _acceptBtn.Text = AcceptText;
                     break;
@@ -719,6 +750,10 @@ protected override void OnPropertyChanged([CallerMemberName] string propertyName
                     _acceptBtn.IsBusy = AcceptIsBusy;
                     break;
 
+                case nameof(AcceptCornerRadius):
+                    _acceptBtn.CornerRadius = AcceptCornerRadius;
+                    break;
+
                 case nameof(CancelCommand):
                     _cancelBtn.Command = CancelCommand;
                     break;
@@ -890,7 +925,8 @@ private void Initialize()
                     BackgroundColor = CancelBackgroundColor,
                     Command = CancelCommand,
                     IsVisible = !string.IsNullOrWhiteSpace(CancelText),
-                    MinimumWidthRequest = 80
+                    MinimumWidthRequest = 80,
+                    CornerRadius = CancelCornerRadius
                 };
 
                 _acceptBtn = new MaterialButton
@@ -903,7 +939,8 @@ private void Initialize()
                     BackgroundColor = AcceptBackgroundColor,
                     Margin = new Thickness(0),
                     Command = AcceptCommand,
-                    MinimumWidthRequest = 80
+                    MinimumWidthRequest = 80,
+                    CornerRadius = AcceptCornerRadius
                 };
 
                 _btnsContainer.Children.Add(_cancelBtn);
@@ -913,7 +950,6 @@ private void Initialize()
 
                 Content = _mainContainer;
 
-                //Xamarin.Forms.PlatformConfiguration.AndroidSpecific.VisualElement.SetElevation(this, 0);
                 initialized = true;
             }
         }
@@ -952,6 +988,8 @@ private void RefreshItemList(IEnumerable<MaterialDialogItem> list)
                     materialCheckbox.CustomSelectedIcon = ItemCheckboxCustomSelectedIcon;
                     materialCheckbox.CustomUnselectedIcon = ItemCheckboxCustomUnselectedIcon;
                     materialCheckbox.IsChecked = item.IsSelected;
+                    materialCheckbox.Spacing = ItemCheckboxSpacing;
+                    materialCheckbox.IsRadioButtonStyle = !AllowMultiselect;
                     _optionsContainer.Children.Add(materialCheckbox);
                 }