firka/flutter
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The ScrollDirection argument needs a default all the way through.

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Fixes the Stocks crash on startup.
This commit is contained in:
Hixie 2015-08-19 12:20:18 -07:00
parent 7f4aa210c0
commit a9643aea3c
1 changed files with 8 additions and 4 deletions
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12
packages/flutter/lib/widgets/scrollable.dart
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@ -39,7 +39,7 @@ abstract class Scrollable extends StatefulComponent {
this.scrollDirection: ScrollDirection.vertical
}) : super(key: key) {
assert(scrollDirection == ScrollDirection.vertical ||
scrollDirection == ScrollDirection.horizontal);
scrollDirection == ScrollDirection.horizontal);
}
ScrollDirection scrollDirection;
@ -347,8 +347,12 @@ class ScrollableBlock extends Component {
// about offscreen widgets consuming resources.
abstract class FixedHeightScrollable extends Scrollable {
FixedHeightScrollable({ Key key, ScrollDirection scrollDirection, this.itemExtent, this.padding })
: super(key: key, scrollDirection: scrollDirection) {
FixedHeightScrollable({
Key key,
ScrollDirection scrollDirection: ScrollDirection.vertical,
this.itemExtent,
this.padding
}) : super(key: key, scrollDirection: scrollDirection) {
assert(itemExtent != null);
}
@ -468,7 +472,7 @@ typedef Widget ItemBuilder<T>(T item);
class ScrollableList<T> extends FixedHeightScrollable {
ScrollableList({
Key key,
ScrollDirection scrollDirection,
ScrollDirection scrollDirection: ScrollDirection.vertical,
this.items,
this.itemBuilder,
double itemExtent,