如何将Xamarin Forms视图转换为具有相同大小的本机视图iOS/Android? [英] How to convert Xamarin Forms view to a Native view iOS/Android with the same size?

问题描述

我在这里使用示例，但是我正在努力在此处填写正确的size参数，以便它表示与表单视图相同的大小. https://michaelridland.com/xamarin/creating-native-view -xamarin-forms-viewpage/

I am using the example here, but I am struggeling to fill in the right size parameter here so that it represents the same size as the forms view. https://michaelridland.com/xamarin/creating-native-view-xamarin-forms-viewpage/

    public static UIView ConvertFormsToNative(Xamarin.Forms.View view, CGRect size)
    {
        var renderer = RendererFactory.GetRenderer(view);

        renderer.NativeView.Frame = size;

        renderer.NativeView.AutoresizingMask = UIViewAutoresizing.All;
        renderer.NativeView.ContentMode = UIViewContentMode.ScaleToFill;

        renderer.Element.Layout(size.ToRectangle());

        var nativeView = renderer.NativeView;

        nativeView.SetNeedsLayout();

        return nativeView;
    }

对于Android:

public static ViewGroup ConvertFormsToNative(Xamarin.Forms.View view, Rectangle size)
{
    var vRenderer = RendererFactory.GetRenderer (view);
    var viewGroup = vRenderer.ViewGroup;
    vRenderer.Tracker.UpdateLayout ();
    var layoutParams = new ViewGroup.LayoutParams ((int)size.Width, (int)size.Height);
    viewGroup.LayoutParameters = layoutParams;
    view.Layout (size);
    viewGroup.Layout (0, 0, (int)view.WidthRequest, (int)view.HeightRequest);
    return viewGroup; 
}

}

应该输入Xamarin表单中的哪些值，以便它将代表在本地视图上具有相同值所需的CGRect.

What values from my Xamarin Forms should be put in, so that it will represent the CGRect required to have the same on the Native View.

推荐答案

var rect = new CGRect(); 
rect.X = (nfloat)view.X; 
rect.Y = (nfloat)view.Y; 
rect.Width = (nfloat)view.Width; 
rect.Height = (nfloat)view.Height; 

解决了此问题，其中视图"是Xamarin Forms视图.

Solved it, where "view" is the Xamarin Forms view.

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