DataTemplateSelector
来完成此操作。首先,你需要创建两个 DataTemplate
。DataTemplate
如下所示。<Page.Resources>
<DataTemplate x:Name="AllItems">
<Border BorderBrush="{StaticResource SystemControlBackgroundBaseLowBrush}" BorderThickness="0,0,0,2">
<TextBlock Text="{Binding ''}" Padding="10" Margin="10,0" />
</Border>
</DataTemplate>
<DataTemplate x:Name="LastItems">
<TextBlock Text="{Binding ''}" Padding="10" Margin="10,0" />
</DataTemplate>
</Page.Resources>
现在我创建了一个 DataTemplateSelector
并检查我需要应用 DataTemplate
的项目是否是最后一个。
public class ItemsDataTemplateSelector: DataTemplateSelector
{
public DataTemplate AllItems { get; set; }
public DataTemplate LastItems { get; set; }
protected override DataTemplate SelectTemplateCore(object item, DependencyObject container)
{
DataTemplate _returnTemplate = new DataTemplate();
var itemsControl = ItemsControl.ItemsControlFromItemContainer(container);
if (itemsControl.IndexFromContainer(container) == (itemsControl.ItemsSource as List<String>).Count-1)
{
_returnTemplate = LastItems;
}
else
{
_returnTemplate = AllItems;
}
return _returnTemplate;
}
}
ItemsControl
实现将会是:<ItemsControl x:Name="listView">
<ItemsControl.ItemTemplateSelector>
<local:ItemsDataTemplateSelector AllItems="{StaticResource AllItems}" LastItems="{StaticResource LastItems}" />
</ItemsControl.ItemTemplateSelector>
</ItemsControl>
List<String> items = new List<string>();
for (int i = 1; i <= 5; i++)
{
items.Add("Item " + i.ToString());
}
listView.ItemsSource = items;
Border
。
在listView中使用XML的Divider属性。希望它能满足您的要求。例如,
在activity_main.xml中:
<ListView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_alignParentStart="true"
android:layout_below="@+id/buttn"
android:divider="@color/Divider"
android:dividerHeight="2dp"
android:id="@+id/listview"/>
在color.xml文件中:
<resources>
<color name="colorPrimary">#3F51B5</color>
<color name="colorPrimaryDark">#303F9F</color>
<color name="colorAccent">#FF4081</color>
<color name="Divider">#085411</color></resources>