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last minute addition to debugging doc

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Hannah Trosi
2016-07-24 19:04:30 -07:00
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_docs/layout-api-debugging.md
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@@ -38,10 +38,14 @@ To provide an intrinisc size for these nodes that lack intrinsic sizes (even if
## Have I propogated selected `ASLayoutable` properties from an `ASLayoutable` object to its parent?
<br>
Upward propogation of `ASLayoutable` properties from a child to a parent layoutSpec is currently disabled. This can be confusing, espcially for nodes in a single child layoutSpec. `ASLayoutable` properties must be manually set on the node as well as the layoutSpec in this example. Two common examples of this that we see include:
Upward and downward propogation of `ASLayoutable` properties between a child and its parent layoutSpec is currently disabled. This can be confusing, espcially for nodes in a single child layoutSpec. Depending on the desired UI, in certain cases, `ASLayoutable` properties must be manually set on the layout spec rather than its child.
- A node (with `.flexGrow` enabled) is wrapped in an inset spec. **Solution:** enable .flexGrow on the inset spec as well.
- A node (with `.flexGrow` enabled) is wrapped in a static layoutSpec, wrapped in a stack layoutSpec. **Solution:** enable .flexGrow on the static layoutSpec as well.
Make sure this is the layout effect that you actually desire. For layout specs with multiple children, such as a stack, setting flexShrink on the layout spec itself of course has a very different meaning than on one of the children.
Two common examples of this that we see include:
- A node with `.flexGrow` enabled is wrapped in an inset spec. "It" will not flexGrow. **Solution:** enable .flexGrow on the parent inset spec as well.
- A node with `.flexGrow` enabled is wrapped in a static layoutSpec, wrapped in a stack layoutSpec. **Solution:** enable .flexGrow on the static layoutSpec as well.
## When do I use `.preferredFrameSize` vs `.sizeRange`?
<br>