在 xamarin 应用程序中,我创建了一个签名板,并且我保留了边距
无论设备和方向如何,我都想保持签名区域的永久高度,
我不是 xamarin 开发人员,而且我不知道 xaml,但我仍然尝试了 Margin="200,200,200,200" ,但是当我改变方向时它的行为很奇怪。
在 ipad 的横向模式下,该区域根本不可见。
<?xml version="1.0" encoding="utf-8"?>
<ContentPage xmlns="http://xamarin.com/schemas/2014/forms"
xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
xmlns:signaturePad="clr-namespace:Acr.XamForms.SignaturePad;assembly=Acr.XamForms.SignaturePad"
x:Class="watebook.Clients.Mobile.Views.CaptureSignature"
BackgroundColor="{StaticResource PageBackgroundColor}">
<AbsoluteLayout HorizontalOptions="FillAndExpand" VerticalOptions="FillAndExpand">
<StackLayout AbsoluteLayout.LayoutFlags="All" AbsoluteLayout.LayoutBounds="0,0,1,1">
<ContentView Style="{StaticResource PageHeaderBodySeparator}" />
<signaturePad:SignaturePadView
Margin="200,200,200,200"
VerticalOptions="FillAndExpand"
HorizontalOptions="FillAndExpand"
x:Name="padView"
BackgroundColor="{StaticResource SignaturePadBackgroundColor}"
CaptionText="Please sign here"
CaptionTextColor="{StaticResource SignaturePadCaptionTextColor}"
PromptText="."
SignatureLineColor="{StaticResource SignaturePadSignatureLineColor}"
StrokeColor="{StaticResource SignaturePadSignatureStrokeColor}"
StrokeWidth="2"
ClearText="" />
<Button Text="SAVE SIGNATURE" Clicked="Button_OnClicked" BackgroundColor="#ffd300" TextColor="Black" x:Name="SaveButton" BorderColor="Black" Margin="0,10,0,300" />
</StackLayout>
<ContentView Style="{StaticResource ProcessIndicatorContentViewStyle}" x:Name="ActivityCameraIndicators" IsVisible="False" AbsoluteLayout.LayoutFlags="All" AbsoluteLayout.LayoutBounds="0,0,1,1">
<Label Style="{x:StaticResource ProcessIndicatorLabelStyle}" Text="Processing" x:Name="ActivityIndicatorLable" />
</ContentView>
</AbsoluteLayout>
</ContentPage>
如何为我的签名板保持永久高度?