public static void Measure(
this UIView view,
MeasureSpec widthMeasureSpec,
MeasureSpec heightMeasureSpec)
{
var nativeLayout = view as NativeLayout;
if (null != nativeLayout)
{
nativeLayout.Measure(widthMeasureSpec, heightMeasureSpec);
}
else
{
var containerSize = new CGSize()
{
Width = widthMeasureSpec.Size,
Height = heightMeasureSpec.Size,
};
var measuredSize = view.SizeThatFits(containerSize);
//var dimensionX = GetDefaultSize(measuredSize.Width, widthMeasureSpec);
//var dimensionY = GetDefaultSize(measuredSize.Height, heightMeasureSpec);
var dimensionX = new MeasuredDimension()
{
Size = (float)measuredSize.Width
};
var dimensionY = new MeasuredDimension()
{
Size = (float)measuredSize.Height
};
view.SetMeasuredSize(dimensionX, dimensionY);
}
}
public MeasuredSize(
MeasuredDimension width,
MeasuredDimension height)
{
this.Width = width.Size;
this.Height = height.Size;
this.WidthState = width.State;
this.HeightState = height.State;
}
//private static MeasuredDimension GetDefaultSize(
// nfloat size,
// MeasureSpec measureSpec)
//{
// MeasuredDimension result = new MeasuredDimension();
// var specMode = measureSpec.Mode;
// var specSize = measureSpec.Size;
// switch (specMode)
// {
// case MeasureMode.Unspecified:
// result.Size = (float)size;
// break;
// case MeasureMode.AtMost:
// case MeasureMode.Exactly:
// result.Size = specSize;
// break;
// default:
// result.Size = (float)size;
// break;
// }
// return result;
//}
public static void SetMeasuredSize(
this UIView view,
MeasuredDimension dimensionX,
MeasuredDimension dimensionY)
{
var layoutProperties = view.LayoutProperties();
layoutProperties.MeasuredSize = new MeasuredSize(dimensionX, dimensionY);
}
protected static MeasuredDimension ResolveSizeAndState(
float size,
MeasureSpec measureSpec,
MeasuredStateFlags childMeasuredState)
{
MeasuredDimension result = new MeasuredDimension();
MeasureMode specMode = measureSpec.Mode;
float specSize = measureSpec.Size;
switch (specMode)
{
case MeasureSpec.Unspecified:
result.Size = size;
break;
case MeasureSpec.AtMost:
if (specSize < size)
{
result.Size = specSize;
result.State |= MeasuredStateFlags.TooSmall;
}
else
{
result.Size = size;
}
break;
case MeasureSpec.Exactly:
result.Size = specSize;
break;
}
result.State |= childMeasuredState;
return(result);
}
