FlowListView - questions

1. Can I specify a DataTemplate for the cell? I see it only works with the FlowColumnTemplateSelector but this one returns Type which later used to create the instance like this: var view = (View)Activator.CreateInstance(columnTypes[i]);
2. If I change the width and height of a cell, does it refresh correctly?

[jamesl77]

DataTemplateSelector derives from DataTemplate. So I think you can just have one property called DataTemplate FlowItemTemplate. Xamarin Forms ListView does it like this for the ItemTemplate property: https://blog.xamarin.com/customizing-list-view-cells-xamarin-forms-datatemplateselector/

Optionally, if you want to offer the ability to select based on item’s index, you could have a FlowItemTemplateSelector which looks like this:

public abstract class FlowItemTemplateSelector : DataTemplate
{
         public abstract DataTemplate SelectTemplate(int index, object item);
}

I am not sure about having both FlowColumnCount and FlowAutoColumnCount. Maybe have just int? FlowColumnCount which by default is null, meaning control auto computes the number of columns based on FlowLisView’s width and flow item’s width. I would change FlowColumnDefaultMinimumWidth to just int? FlowColumnWidth. If it’s null and you need item width, use the item’s MinimumWidth.

[daniel-luberda]

<flv:FlowListView FlowColumnCount="3" FlowItemsSource="{Binding Items}" 
    SeparatorVisibility="None" HasUnevenRows="false"
    FlowItemTappedCommand="{Binding ItemTappedCommand}" FlowLastTappedItem="{Binding LastTappedItem}">

    <flv:FlowListView.FlowColumnTemplate>
        <DataTemplate>
            <Label HorizontalOptions="Fill" VerticalOptions="Fill" 
                XAlign="Center" YAlign="Center" Text="{Binding Title}"/>
        </DataTemplate>
    </flv:FlowListView.FlowColumnTemplate>

</flv:FlowListView>     

It also supports DataTemplateSelector. Testers are welcome.