protected override void OnMeasure(LayoutMeasureSpec widthMeasureSpec, LayoutMeasureSpec heightMeasureSpec)
{
Console.WriteLine($"CustomLayoutHorizental OnMeasure() START");
var accumulatedWidth = new LayoutLength(0);
var maxHeight = new LayoutLength(0);
// this is needed, otherwise the child's LayoutItem is garbage collected!
for (uint i = 0; i < ChildCount; ++i)
{
childLayouts[i] = GetChildAt(i);
}
// In this layout we will:
// Measuring the layout with the children in a horizontal configuration, one after another
// Set the required width to be the accumulated width of our children
// Set the required height to be the maximum height of any of our children
for (uint i = 0; i < ChildCount; ++i)
{
var childLayout = childLayouts[i];
Console.WriteLine($"child count={ChildCount}, i={i}");
if (childLayout)
{
MeasureChild(childLayout, widthMeasureSpec, heightMeasureSpec);
accumulatedWidth += childLayout.MeasuredWidth;
maxHeight.Value = System.Math.Max(childLayout.MeasuredHeight.Value, maxHeight.Value);
Console.WriteLine($"child layout is not NULL! accumulatedWidth={accumulatedWidth.Value}, i={i}");
}
}
// Finally, call this method to set the dimensions we would like
SetMeasuredDimensions(new MeasuredSize(accumulatedWidth), new MeasuredSize(maxHeight));
Console.WriteLine($"CustomLayoutHorizental OnMeasure() accumlated width={accumulatedWidth.Value}, maxHeight={maxHeight.Value} END");
}
protected override void OnMeasure(LayoutMeasureSpec widthMeasureSpec, LayoutMeasureSpec heightMeasureSpec)
{
var accumulatedWidth = new LayoutLength(0);
var maxHeight = 0;
var measuredWidth = new LayoutLength(0);
LayoutLength measuredHeight = new LayoutLength(0);
LayoutMeasureSpec.ModeType widthMode = widthMeasureSpec.Mode;
LayoutMeasureSpec.ModeType heightMode = heightMeasureSpec.Mode;
bool isWidthExact = (widthMode == LayoutMeasureSpec.ModeType.EXACTLY);
bool isHeightExact = (heightMode == LayoutMeasureSpec.ModeType.EXACTLY);
// In this layout we will:
// Measuring the layout with the children in a horizontal configuration, one after another
// Set the required width to be the accumulated width of our children
// Set the required height to be the maximum height of any of our children
for (uint i = 0; i < ChildCount; ++i)
{
var childLayout = GetChildAt(i);
if (childLayout)
{
MeasureChild(childLayout, widthMeasureSpec, heightMeasureSpec);
accumulatedWidth += childLayout.MeasuredWidth;
maxHeight = System.Math.Max(childLayout.MeasuredHeight.Value, maxHeight);
}
}
measuredHeight.Value = maxHeight;
measuredWidth = accumulatedWidth;
if (isWidthExact)
{
measuredWidth = new LayoutLength(widthMeasureSpec.Size);
}
if (isHeightExact)
{
measuredHeight = new LayoutLength(heightMeasureSpec.Size);
}
// Finally, call this method to set the dimensions we would like
SetMeasuredDimensions(new MeasuredSize(measuredWidth), new MeasuredSize(measuredHeight));
}
protected override void OnMeasure(LayoutMeasureSpec widthMeasureSpec, LayoutMeasureSpec heightMeasureSpec)
{
var accumulatedHeight = new LayoutLength(0);
var maxWidth = new LayoutLength(0);
for (uint i = 0; i < ChildCount; ++i)
{
childLayouts[i] = GetChildAt(i);
}
for (uint i = 0; i < ChildCount; ++i)
{
var childLayout = childLayouts[i];
if (childLayout)
{
MeasureChild(childLayout, widthMeasureSpec, heightMeasureSpec);
accumulatedHeight += childLayout.MeasuredHeight;
maxWidth.Value = System.Math.Max(childLayout.MeasuredWidth.Value, maxWidth.Value);
Console.WriteLine($"CustomLayoutVertical child layout is not NULL! accumulatedHeight={accumulatedHeight.Value}, i={i}");
}
}
SetMeasuredDimensions(new MeasuredSize(maxWidth), new MeasuredSize(accumulatedHeight));
Console.WriteLine($"CustomLayoutVertical OnMeasure() max width={maxWidth.Value}, accumulated Height={accumulatedHeight.Value}");
}
