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Clarify RenderObjectWidget.updateRenderObject (#6702)

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Closes https://github.com/flutter/flutter/issues/5743
This commit is contained in:
Ian Hickson 2016-11-03 14:39:00 -07:00 committed by GitHub
parent 66d8aa1141
commit 8a91c8bc59
1 changed files with 12 additions and 0 deletions
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12
packages/flutter/lib/src/widgets/framework.dart
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@ -1166,12 +1166,24 @@ abstract class RenderObjectWidget extends Widget {
/// Creates an instance of the [RenderObject] class that this
/// [RenderObjectWidget] represents, using the configuration described by this
/// [RenderObjectWidget].
///
/// This method should not do anything with the children of the render object.
/// That should instead be handled by the method that overrides
/// [RenderObjectElement.mount] in the object rendered by this object's
/// [createElement] method. See, for example,
/// [SingleChildRenderObjectElement.mount].
@protected
RenderObject createRenderObject(BuildContext context);
/// Copies the configuration described by this [RenderObjectWidget] to the
/// given [RenderObject], which will be of the same type as returned by this
/// object's [createRenderObject].
///
/// This method should not do anything to update the children of the render
/// object. That should instead be handled by the method that overrides
/// [RenderObjectElement.update] in the object rendered by this object's
/// [createElement] method. See, for example,
/// [SingleChildRenderObjectElement.update].
@protected
void updateRenderObject(BuildContext context, @checked RenderObject renderObject) { }