我们正在将Xamarin项目从Android 8.0更新为9.0(API 26-> API 28)。
我们检测到布局上的其他行为:我们有一个按钮,在该按钮上方,我们在StackLayout中显示标签和图标。
使用旧的Android 8.0版本,我们可以正确单击按钮。 在新的Android 9.0版本中,我们注意到我们可以正确地单击按钮,但是当我们单击按钮时,该按钮将显示在最前面,并隐藏StackLayout标签和图标。 当我们返回此屏幕时,该按钮保留在前景中,并且StackLayout标签和图标不再显示。
即使单击按钮,我们如何强制StackLayout标签和图标停留在按钮上? 谢谢
<StackLayout Orientation="Vertical" AbsoluteLayout.Layoutflags="All" AbsoluteLayout.LayoutBounds="0,1,1">
<ctrl:TitleBarControl x:Name="titleBar" Title="Menu Trasporto Valori"></ctrl:TitleBarControl>
<Grid HorizontalOptions="FillAndExpand" VerticalOptions="FillAndExpand" Style="{StaticResource standardGrid}">
<Grid.RowDefinitions>
<RowDefinition Height="*"/>
<RowDefinition Height="*"/>
<RowDefinition Height="*"/>
</Grid.RowDefinitions>
<Grid.ColumnDefinitions>
<ColumnDefinition Width="*"/>
</Grid.ColumnDefinitions>
<Button x:Name="btnProssimo" Image="MondoConPinPoint_48x48.gif" Text="Prossimo" HorizontalOptions="Fill" VerticalOptions="Fill" Grid.Row="0" Grid.Column="0" Style="{StaticResource menuButton}" Command="{Binding ProssimoCommand}"></Button>
<StackLayout Orientation="Horizontal" Grid.Row="0" Grid.Column="0" HorizontalOptions="Center" VerticalOptions="End">
<Label Text="Da eseguire:" HorizontalOptions="Center" VerticalOptions="Center" Style="{StaticResource lightLabel}"></Label>
<Label Text="{Binding DaEseguire}" HorizontalOptions="Center" VerticalOptions="Center" Style="{StaticResource boldLabel}"></Label>
</StackLayout>
<Button x:Name="btnProssimoI" Image="Cacciavite_48x48.gif" Text="Prossimo I" HorizontalOptions="Fill" VerticalOptions="Fill" Grid.Row="1" Grid.Column="0" Style="{StaticResource menuButton}" Command="{Binding ProssimoICommand}"></Button>
<StackLayout Orientation="Horizontal" Grid.Row="1" Grid.Column="0" HorizontalOptions="Center" VerticalOptions="End">
<Label Text="Da eseguire:" HorizontalOptions="Center" VerticalOptions="End" Grid.Row="1" Grid.Column="0" Style="{StaticResource lightLabel}"></Label>
<Label Text="{Binding IDaEseguire}" HorizontalOptions="End" VerticalOptions="End" Grid.Row="1" Grid.Column="0" Style="{StaticResource boldLabel}"></Label>
<Image x:Name="imgSveglia" Grid.Row="1" Grid.Column="0" VerticalOptions="End" HorizontalOptions="End" Source="Sveglia_24x24.gif" WidthRequest="26" IsVisible="{Binding IsI}"></Image>
</StackLayout>
</Grid>
</StackLayout>