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Prevent Hero transition for AppBar on Pesto recipe page. (#5760)

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BUG=https://github.com/flutter/flutter/issues/5351
This commit is contained in:
Matt Perry 2016-09-08 16:40:11 -04:00 committed by GitHub
parent d2fda677e1
commit b71d7694ab
1 changed files with 2 additions and 3 deletions
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5
examples/flutter_gallery/lib/demo/pesto_demo.dart
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@ -317,6 +317,7 @@ class _RecipePageState extends State<RecipePage> {
final GlobalKey<ScaffoldState> _scaffoldKey = new GlobalKey<ScaffoldState>();
final GlobalKey<ScrollableState> _scrollableKey = new GlobalKey<ScrollableState>();
final TextStyle menuItemStyle = new PestoStyle(fontSize: 15.0, color: Colors.black54, height: 24.0/15.0);
final Object _disableHeroTransition = new Object();
double _getAppBarHeight(BuildContext context) => MediaQuery.of(context).size.height * 0.3;
@ -327,6 +328,7 @@ class _RecipePageState extends State<RecipePage> {
scrollableKey: _scrollableKey,
appBarBehavior: AppBarBehavior.scroll,
appBar: new AppBar(
heroTag: _disableHeroTransition,
expandedHeight: _getAppBarHeight(context),
backgroundColor: Colors.transparent,
elevation: 0,
@ -346,9 +348,6 @@ class _RecipePageState extends State<RecipePage> {
]
)
],
// This empty space keeps the app bar from moving until the screen is
// scrolled at least _getAppBarHeight().
flexibleSpace: new Container()
),
body: _buildContainer(context)
);