DEV/flutter_flutter
1
0
Fork 0
mirror of https://github.com/flutter/flutter.git synced 2026-02-20 02:29:02 +08:00
Code Issues Packages Projects Releases Wiki Activity

Bottom sheets shouldn't dismiss when flung up

Browse Source
This commit is contained in:
Adam Barth 2015-11-30 13:36:10 -08:00
parent d293bb8cc8
commit 7192dbb1c6
1 changed files with 6 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
packages/flutter/lib/src/material/bottom_sheet.dart
View File

@ -52,12 +52,14 @@ class BottomSheet extends StatelessComponent {
performance.progress -= delta / (childHeight ?? delta);
}
void _handleDragEnd(Offset velocity, BuildContext context) {
void _handleDragEnd(Offset velocity) {
if (_dismissUnderway)
return;
if (velocity.dy > _kMinFlingVelocity) {
performance.fling(velocity: -velocity.dy / childHeight);
onClosing();
double flingVelocity = -velocity.dy / childHeight;
performance.fling(velocity: flingVelocity);
if (flingVelocity < 0.0)
onClosing();
} else if (performance.progress < _kCloseProgressThreshold) {
performance.fling(velocity: -1.0);
onClosing();
@ -69,7 +71,7 @@ class BottomSheet extends StatelessComponent {
Widget build(BuildContext context) {
return new GestureDetector(
onVerticalDragUpdate: _handleDragUpdate,
onVerticalDragEnd: (Offset velocity) { _handleDragEnd(velocity, context); },
onVerticalDragEnd: _handleDragEnd,
child: new Material(
child: builder(context)
)