How to customize month cell selection in Xamarin.Forms Calendar?
You can customize the month cell with a custom selection by using the CellTemplate property of MonthViewSettings and OnMonthCellLoaded event of SfCalendar in Xamarin.Forms.
STEP 1: The CellTemplate is defined with the circle by Frame. The selection is handled by the IsSelected property from ViewModel.
<calendar:SfCalendar x:Name="calendar"
SelectionMode="SingleSelection"
DataSource="{Binding Appointments}">
<calendar:SfCalendar.MonthViewSettings>
<calendar:MonthViewSettings CellGridOptions="None"
BorderColor="Transparent"
DayLabelTextAlignment="Center"
DateSelectionColor="Transparent"
TodaySelectionBackgroundColor="Transparent"
TodayTextColor="Transparent">
<!-- Month Cell Template -->
<calendar:MonthViewSettings.CellTemplate>
<DataTemplate>
<AbsoluteLayout BackgroundColor="Transparent"
Margin="0"
Padding="0">
<Frame IsVisible="{Binding IsSelected}"
BackgroundColor="Transparent"
BorderColor="DarkBlue"
HasShadow="false"
AbsoluteLayout.LayoutBounds="0.5,0.5,30,30"
AbsoluteLayout.LayoutFlags="PositionProportional"
CornerRadius="15"
HeightRequest="30"
WidthRequest="30"
VerticalOptions="Center"
HorizontalOptions="Center">
</Frame>
<Label FontSize="13"
FontAttributes="None"
LineBreakMode="TailTruncation"
HorizontalTextAlignment="Center"
VerticalTextAlignment="Center"
AbsoluteLayout.LayoutBounds="0.5,0.5,1,1"
AbsoluteLayout.LayoutFlags="All"
Text="{Binding DayNumber}"
TextColor="{Binding DateTextColor}"
/>
</AbsoluteLayout>
</DataTemplate>
</calendar:MonthViewSettings.CellTemplate>
</calendar:MonthViewSettings>
</calendar:SfCalendar.MonthViewSettings>
<calendar:SfCalendar.BindingContext>
<local:ViewModel/>
</calendar:SfCalendar.BindingContext>
</calendar:SfCalendar>
STEP 2: The CellBindingContext is updated in the OnMenthCellLoaded event based on the SelectedDate.
private void Calendar_OnMonthCellLoaded(object sender, MonthCellLoadedEventArgs e)
{
var model = new ViewModel();
model.DayNumber = e.Date.Day.ToString();
if (Convert.ToDateTime(calendar.SelectedDate).Day == e.Date.Day && Convert.ToDateTime(calendar.SelectedDate).Month == e.Date.Month && Convert.ToDateTime(calendar.SelectedDate).Year == e.Date.Year)
{
model.IsSelected = true;
}
e.CellBindingContext = model;
}
Output
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I hope you enjoyed learning about how to customize month cell selection in Xamarin.Forms Calendar (SfCalendar).
You can refer to our Xamarin.Forms Calendar feature tour page to know about its other groundbreaking feature representations and documentation, and how to quickly get started for configuration specifications. You can also explore our Xamarin Calendar example to understand how to create and manipulate data.
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