我有一个这样编码的 StackLayout:
StackLayout mainStackLayOut = new StackLayout{
BackgroundColor = Color.Blue,
//VerticalOptions = LayoutOptions.FillAndExpand,
//WidthRequest = width,
HorizontalOptions = LayoutOptions.FillAndExpand,
Orientation = StackOrientation.Vertical
};
但我希望 StackLayout 填充所有屏幕宽度和高度,我还添加了这样的树形按钮:
StackLayout buttonsStackLayOut = new StackLayout
{
BackgroundColor = Color.White,
//VerticalOptions = LayoutOptions.Fill,
HorizontalOptions = LayoutOptions.Fill,
Orientation = StackOrientation.Horizontal,
Spacing = 0
};
mainStackLayOut.Children.Add(buttonsStackLayOut);
Image doctorImage = new Image
{
WidthRequest = width / 3,
HeightRequest = 50,
BackgroundColor = Color.Gray,
Source = ImageSource.FromFile ("about.png")
};
buttonsStackLayOut.Children.Add(doctorImage);
我怎样才能填满所有的屏幕尺寸?