Listview 如何自动调整ScrollView的大小以适应xamarin表单中的内容
嗨，我想自动调整滚动视图的大小以适应其内容。在横向模式下的所有设备中，它应该滚动到列表视图的末尾。现在我的问题是，我必须根据设备不断更改滚动视图的高度，这是不正确的。这是我的密码Listview 如何自动调整ScrollView的大小以适应xamarin表单中的内容,listview,xamarin.forms,scrollview,Listview,Xamarin.forms,Scrollview,嗨，我想自动调整滚动视图的大小以适应其内容。在横向模式下的所有设备中，它应该滚动到列表视图的末尾。现在我的问题是，我必须根据设备不断更改滚动视图的高度，这是不正确的。这是我的密码 if (svMainBody.Children.Contains(grdListBody)) { svMainBody.Children.Remove(grdListBody); svMain = new ScrollView { Content = grdListBody }; svMainBody.Children
if (svMainBody.Children.Contains(grdListBody))
{
svMainBody.Children.Remove(grdListBody);
svMain = new ScrollView { Content = grdListBody };
svMainBody.Children.Add(svMain);
}
else
{
svMainBody.Children.Add(svMain);
}
rdListViewHeight.Height = height * 0.30;
}
}
else
{
if (IsPortrait(this))
{
//Fix for scrolling only listview in portrait
if (svMainBody.Children.Contains(svMain))
{
svMainBody.Children.Remove(svMain);
svMainBody.Children.Add(grdListBody);
}
else
{
svMainBody.Children.Add(grdListBody);
}
if (Settings.Flowsheet.sl1 == "")
Settings.Flowsheet.sl1 = sl1.Height.ToString();
dstk1Height = Settings.Flowsheet.sl1 == "" ? sl1.Height : Convert.ToDouble(Settings.Flowsheet.sl1);
if (Device.RuntimePlatform == Device.Android)
rdListViewHeight.Height = height - 160 - sl1.Height - 40;
else
rdListViewHeight.Height = height - 160 - dstk1Height - 30;
}
else
{
//Fix for scrolling entire page in landscape
if (svMainBody.Children.Contains(grdListBody))
{
svMainBody.Children.Remove(grdListBody);
svMain = new ScrollView { Content = grdListBody };
svMainBody.Children.Add(svMain);
}
else
{
svMainBody.Children.Add(svMain);
}
rdListViewHeight.Height = height * 3.0;
}
<StackLayout x:Name="svMainBody" Grid.Row="0" Grid.Column="0" Grid.ColumnSpan="13" VerticalOptions="FillAndExpand">
<Grid x:Name="grdListBody" Grid.Row="0" Grid.Column="0" Grid.ColumnSpan="13" BackgroundColor="#EEEEEE" VerticalOptions="FillAndExpand">
<Grid.RowSpacing>0</Grid.RowSpacing>
<Grid.RowDefinitions>
<RowDefinition Height="Auto"></RowDefinition>
<RowDefinition x:Name="rdListViewHeight" Height="Auto"></RowDefinition>
</Grid.RowDefinitions>
<StackLayout Padding="10,10,10,10" Grid.Row="0" x:Name="sl1" VerticalOptions="Start">
<Grid>
<Grid.RowDefinitions>
<RowDefinition Height="Auto"></RowDefinition>
<RowDefinition Height="Auto"></RowDefinition>
<RowDefinition Height="Auto"></RowDefinition>
<RowDefinition Height="Auto"></RowDefinition>
<RowDefinition Height="Auto"></RowDefinition>
<RowDefinition Height="Auto"></RowDefinition>
</Grid.RowDefinitions>
<Grid.ColumnDefinitions>
<ColumnDefinition Width="Auto"></ColumnDefinition>
<ColumnDefinition Width="40"></ColumnDefinition>
<ColumnDefinition Width="*"></ColumnDefinition>
</Grid.ColumnDefinitions>
<Label Grid.Row="0" Grid.Column="0" x:Name="lblSetTime" Text="{Binding SetTime}" TextColor="Black" HorizontalOptions="Start"></Label>
<Label Grid.Row="0" Grid.Column="1" x:Name="lblMeetingRoom" Grid.ColumnSpan="2" Text="{Binding MeetingRoom}" TextColor="Black" HorizontalOptions="Start"></Label>
<Label Grid.Row="1" Grid.Column="0" x:Name="lblSetByStrikeBy" Text="{Binding SetByStrikeBy}" TextColor="Black" HorizontalOptions="Start" IsVisible="{Binding IsVisibleLblSetByStrikeBy}"></Label>
<Label Grid.Row="1" Grid.Column="1" x:Name="lblRoomSetter" Grid.ColumnSpan="2" Text="{Binding RoomSetter}" TextColor="Black" HorizontalOptions="Start" IsVisible="{Binding IsVisibleLblRoomSetter}"></Label>
<Label Grid.Row="2" Grid.Column="0" x:Name="lblStartTime" Text="{Binding StartTime}" TextColor="Black" HorizontalOptions="Start"></Label>
<Image Grid.Row="2" Grid.Column="1" x:Name="imgPromoterScore" Source="" HeightRequest="20" WidthRequest="20" HorizontalOptions="Start" IsVisible="False" ></Image>
<Label Grid.Row="2" Grid.Column="1" Grid.ColumnSpan="2" x:Name="lblClientCompany" Text="{Binding ClientCompany}" TextColor="Black" HorizontalOptions="Start"></Label>
<Label Grid.Row="3" Grid.Column="0" x:Name="lblEndTime" Text="{Binding EndTime}" TextColor="Black" HorizontalOptions="Start"></Label>
<Image Grid.Row="3" Grid.Column="1" x:Name="imgPlannerScore" Source="" HeightRequest="20" WidthRequest="20" HorizontalOptions="Start" IsVisible="False"></Image>
<Label Grid.Row="3" Grid.Column="1" Grid.ColumnSpan="2" x:Name="lblClientPlanner" Text="{Binding ClientPlanner}" TextColor="Black" HorizontalOptions="Start"></Label>
<Label Grid.Row="4" Grid.Column="0" x:Name="lblStrikeTime" Text="{Binding StrikeTime}" TextColor="Black" HorizontalOptions="Start"></Label>
<Label Grid.Row="4" Grid.Column="1" x:Name="lblPostAs" Grid.ColumnSpan="2" Text="{Binding PostAs}" TextColor="Black" HorizontalOptions="Start"></Label>
<Label Grid.Row="5" Grid.Column="0" x:Name="lblAction" Text="{Binding Action}" TextColor="Black" HorizontalOptions="Start"></Label>
<Label Grid.Row="5" Grid.Column="1" x:Name="lblVenuePlanner_PSAVSalesPerson" Grid.ColumnSpan="2" Text="{Binding VennuePlanner_PSAVSalesPerson}" TextColor="Black" HorizontalOptions="Start"></Label>
</Grid>
</StackLayout>
<StackLayout Grid.Row="1" VerticalOptions="FillAndExpand" Orientation="Vertical">
<BoxView BackgroundColor="Black" HeightRequest="1" HorizontalOptions="FillAndExpand"/>
<StackLayout Padding="10,5,10,5" Orientation="Vertical" BackgroundColor="#EEEEEE" x:Name="sl2" VerticalOptions="FillAndExpand">
<local1:CustomListviewEventDetails
x:Name="lstItems" HasUnevenRows="True" SeparatorVisibility="None" BackgroundColor="#EEEEEE" ItemsSource="{Binding lstViewItemSource}" ItemSelected="lstItems_ItemSelected" VerticalOptions="FillAndExpand"
IsGroupingEnabled="True">
<local1:CustomListviewEventDetails.GroupHeaderTemplate>
<DataTemplate>
<local1:CustomViewCellFS>
<StackLayout HorizontalOptions="FillAndExpand" >
<!--Padding="20,0,0,0" VerticalOptions="CenterAndExpand"-->
<!--HorizontalOptions="CenterAndExpand"-->
<Label Text="{Binding SectionName}" FontSize="15" FontAttributes="Bold" TextColor="White" VerticalOptions="CenterAndExpand" VerticalTextAlignment="Center" XAlign="Center" />
</StackLayout>
</local1:CustomViewCellFS>
</DataTemplate>
</local1:CustomListviewEventDetails.GroupHeaderTemplate>
<local1:CustomListviewEventDetails.ItemTemplate>
<DataTemplate>
<ViewCell>
<ViewCell.View>
<StackLayout Padding="0,0,0,0">
<Grid RowSpacing="0">
<Grid.RowDefinitions>
<RowDefinition Height="Auto"></RowDefinition>
<RowDefinition Height="Auto"></RowDefinition>
<RowDefinition Height="Auto"></RowDefinition>
<RowDefinition Height="5"></RowDefinition>
</Grid.RowDefinitions>
<Grid.ColumnDefinitions>
<ColumnDefinition Width="0.1*"></ColumnDefinition>
<ColumnDefinition Width="0.9*"></ColumnDefinition>
</Grid.ColumnDefinitions>
<!--Label Grid.Row="0" Grid.ColumnSpan="2" Text="{Binding SectionName}" FontSize="15" TextColor="Black" HorizontalOptions="C
enterAndExpand"></Label>-->
<!--<Label Grid.Row="1" Grid.ColumnSpan="2" Text="{Binding PackageName}" FontSize="15" TextColor="Black" HorizontalOptions="StartAndExpand"></Label>
-->
<Label Grid.Row="0" Grid.Column="0" Text="{Binding PackageQuantity}" FontSize="15" TextColor="Black" HorizontalOptions="Start" IsVisible="{Binding PackageNameVisibility}" FontAttributes="Bold" >
</Label>
<Label Grid.Row="0" Grid.Column ="1" Text="{Binding PackageName}" FontSize="15" TextColor="Black" HorizontalOptions="Start" HorizontalTextAlignment="Start" IsVisible="{Binding PackageNameVisibility}" FontAttributes="Bold" ></Label>
<Label Grid.Row="1" Grid.Column="0" Text="{Binding Quantity}" FontSize="15" TextColor="Black" HorizontalOptions="Start" HorizontalTextAlignment="Start" >
</Label>
<Label Grid.Row="1" Grid.Column="1" Text="{Binding Item}" FontSize="15" TextColor="Black" HorizontalOptions="StartAndExpand" HorizontalTextAlignment="Start" Margin="{Binding MargProp}" >
</Label>
<!--<Label Grid.Row="2" Grid.Column="0" Text="{Binding SectionQuantity}" FontSize="15" TextColor="Black" HorizontalOptions="Start" HorizontalTextAlignment="Start" IsVisible="{Binding SectionItemVisibility}" >
</Label>
<Label Grid.Row="2" Grid.Column="1" Text="{Binding SectionItem}" FontSize="15" TextColor="Black" HorizontalOptions="StartAndExpand" HorizontalTextAlignment="Start" IsVisible="{Binding SectionItemVisibility}" >
</Label>-->
<BoxView x:Name="txt" Grid.Row="3" Grid.ColumnSpan="2" HeightRequest="5" ></BoxView>
</Grid>
</StackLayout>
</ViewCell.View>
</ViewCell>
</DataTemplate>
</local1:CustomListviewEventDetails.ItemTemplate>
</local1:CustomListviewEventDetails>
</StackLayout>
</StackLayout>
</Grid>
</StackLayout>
0
我将高度设置为3.0，但我希望高度是自动的。我不太明白
- 如果您将
放在列表视图
中：坏主意<代码>列表视图本机支持滚动滚动视图 - 如果您想让
获得孩子的尺寸，比如使用滚动视图
的android:layout\u height=“wrap\u content”
：我认为只有像您这样通过编程才能实现线性布局
rdListViewHeight.Height = Content.Height;
rdListViewHeight.Height = height * 3.0;