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Added expandedHeight in flexibleSpace and flexibleSpaceBar (#61710)

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Pragya 2020-07-28 22:46:13 +05:30 committed by GitHub
parent e8e5de44ec
commit 1fff10500f
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2 changed files with 8 additions and 2 deletions
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3
packages/flutter/lib/src/material/app_bar.dart
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@ -1123,6 +1123,9 @@ class SliverAppBar extends StatefulWidget {
/// This widget is stacked behind the toolbar and the tab bar. It's height will
/// be the same as the app bar's overall height.
///
/// When using [SliverAppBar.flexibleSpace], the [SliverAppBar.expandedHeight]
/// must be large enough to accommodate the [SliverAppBar.flexibleSpace] widget.
///
/// Typically a [FlexibleSpaceBar]. See [FlexibleSpaceBar] for details.
final Widget flexibleSpace;

7
packages/flutter/lib/src/material/flexible_space_bar.dart
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@ -41,10 +41,13 @@ enum StretchMode {
/// The part of a material design [AppBar] that expands, collapses, and
/// stretches.
///
/// Most commonly used in in the [SliverAppBar.flexibleSpace] field, a flexible
/// Most commonly used in the [SliverAppBar.flexibleSpace] field, a flexible
/// space bar expands and contracts as the app scrolls so that the [AppBar]
/// reaches from the top of the app to the top of the scrolling contents of the
/// app. Furthermore is included functionality for stretch behavior. When
/// app. When using [SliverAppBar.flexibleSpace], the [SliverAppBar.expandedHeight]
/// must be large enough to accommodate the [SliverAppBar.flexibleSpace] widget.
///
/// Furthermore is included functionality for stretch behavior. When
/// [SliverAppBar.stretch] is true, and your [ScrollPhysics] allow for
/// overscroll, this space will stretch with the overscroll.
///