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ScaffoldMessenger #64101

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merged 11 commits into from
Sep 3, 2020
Merged

ScaffoldMessenger #64101

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d608e4a
ScaffoldMessenger
Piinks Aug 26, 2020
8f7593c
Remove unintended changes
Piinks Aug 26, 2020
6e784ab
Fix sample
Piinks Aug 26, 2020
20d8afd
++
Piinks Aug 26, 2020
d9f57e3
Apply suggestions from code review
Piinks Aug 26, 2020
063e159
Update docs
Piinks Aug 27, 2020
c4632bd
Review feedback
Piinks Aug 28, 2020
843e287
Sample app
Piinks Aug 28, 2020
2042863
Merge branch 'master' of github.com:flutter/flutter into scaffoldMess…
Piinks Aug 31, 2020
e3cd0d7
Fix sample code
Piinks Aug 31, 2020
72469cd
Review feedback
Piinks Sep 3, 2020
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Update docs
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@Piinks
Piinks committed Aug 27, 2020
commit 063e1590f54e03d67744976303c9212f4534a683
22 changes: 19 additions & 3 deletions packages/flutter/lib/src/material/scaffold.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -2028,7 +2028,8 @@ class ScaffoldState extends State<Scaffold> with TickerProviderStateMixin {

ScaffoldMessengerState _scaffoldMessenger;

/// Shows a [SnackBar] at the bottom of the scaffold.
/// [ScaffoldMessengerState.showSnackBar] shows a [SnackBar] at the bottom of
/// the scaffold. This method should not be used.
///
/// A scaffold can show at most one snack bar at a time. If this function is
/// called while another snack bar is already visible, the given snack bar
Expand Down Expand Up @@ -2065,6 +2066,10 @@ class ScaffoldState extends State<Scaffold> with TickerProviderStateMixin {
/// }
/// ```
/// {@end-tool}
///
/// See also:
///
/// * [ScaffoldMessenger], this should be used instead to manage [SnackBar]s.
// TODO(Piinks): Deprecate after customers are migrated
ScaffoldFeatureController<SnackBar, SnackBarClosedReason> showSnackBar(SnackBar snackbar) {
assert(() {
Expand Down Expand Up @@ -2092,10 +2097,15 @@ class ScaffoldState extends State<Scaffold> with TickerProviderStateMixin {
return _scaffoldMessenger.showSnackBar(snackbar);
}

/// Removes the current [SnackBar] (if any) immediately.
/// [ScaffoldMessengerState.removeCurrentSnackBar] removes the current
/// [SnackBar] (if any) immediately. This method should not be used.
///
/// The removed snack bar does not run its normal exit animation. If there are
/// any queued snack bars, they begin their entrance animation immediately.
///
/// See also:
///
/// * [ScaffoldMessenger], this should be used instead to manage [SnackBar]s.
// TODO(Piinks): Deprecate after customers are migrated
void removeCurrentSnackBar({ SnackBarClosedReason reason = SnackBarClosedReason.remove }) {
assert(() {
Expand Down Expand Up @@ -2123,9 +2133,15 @@ class ScaffoldState extends State<Scaffold> with TickerProviderStateMixin {
_scaffoldMessenger.removeCurrentSnackBar(reason: reason);
}

/// Removes the current [SnackBar] by running its normal exit animation.
/// [ScaffoldMessengerState.hideCurrentSnackBar] removes the current
/// [SnackBar] by running its normal exit animation. This method should not be
/// used.
///
/// The closed completer is called after the animation is complete.
///
/// See also:
///
/// * [ScaffoldMessenger], this should be used instead to manage [SnackBar]s.
// TODO(Piinks): Deprecate after customers are migrated.
void hideCurrentSnackBar({ SnackBarClosedReason reason = SnackBarClosedReason.hide }) {
assert(() {
Expand Down