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Fix some error message text typos. (#9294)

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Also, add a specific message for BuildContext.size for RenderSlivers.
This commit is contained in:
Ian Hickson 2017-04-08 00:32:02 -07:00 committed by GitHub
parent d25981cfb3
commit 9350f2875d
2 changed files with 16 additions and 3 deletions
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2
packages/flutter/lib/src/rendering/box.dart
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@ -13,7 +13,7 @@ import 'package:vector_math/vector_math_64.dart';
import 'debug.dart';
import 'object.dart';
// This class should only be used in debug builds
// This class should only be used in debug builds.
class _DebugSize extends Size {
_DebugSize(Size source, this._owner, this._canBeUsedByParent): super.copy(source);
final RenderBox _owner;

17
packages/flutter/lib/src/widgets/framework.dart
View file

@ -2664,7 +2664,7 @@ abstract class Element implements BuildContext {
'Cannot get size during build.\n'
'The size of this render object has not yet been determined because '
'the framework is still in the process of building widgets, which '
'means the render tree for this frame has not youet been determined. '
'means the render tree for this frame has not yet been determined. '
'The size getter should only be called from paint callbacks or '
'interaction event handlers (e.g. gesture callbacks).\n'
'\n'
@ -2686,7 +2686,7 @@ abstract class Element implements BuildContext {
throw new FlutterError(
'Cannot get size without a render object.\n'
'In order for an element to have a valid size, the element must have '
'an assoicated render object. This element does not have an assoicated '
'an assoicated render object. This element does not have an associated '
'render object, which typically means that the size getter was called '
'too early in the pipeline (e.g., during the build phase) before the '
'framework has created the render tree.\n'
@ -2694,6 +2694,19 @@ abstract class Element implements BuildContext {
' $this\n'
);
}
if (renderObject is RenderSliver) {
throw new FlutterError(
'Cannot get size from a RenderSliver.\n'
'The render object associated with this element is a '
'${renderObject.runtimeType}, which is a subtype of RenderSliver. '
'Slivers do not have a size per se. They have a more elaborate '
'geometry description, which can be accessed by calling '
'findRenderObject and then using the "geometry" getter on the '
'resulting object.\n'
'The size getter was called for the following element:\n'
' $this\n'
);
}
if (renderObject is! RenderBox) {
throw new FlutterError(
'Cannot get size from a render object that is not a RenderBox.\n'