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Disable cursor opacity animation on macOS, make iOS cursor animation discrete (#104335)

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LongCatIsLooong 2022-06-22 11:09:05 -07:00 committed by GitHub
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6 changed files with 238 additions and 228 deletions
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2
packages/flutter/lib/src/material/text_field.dart
View File

@ -1168,7 +1168,7 @@ class _TextFieldState extends State<TextField> with RestorationMixin implements
forcePressEnabled = false;
textSelectionControls ??= cupertinoDesktopTextSelectionControls;
paintCursorAboveText = true;
cursorOpacityAnimates = true;
cursorOpacityAnimates = false;
cursorColor = widget.cursorColor ?? selectionStyle.cursorColor ?? cupertinoTheme.primaryColor;
selectionColor = selectionStyle.selectionColor ?? cupertinoTheme.primaryColor.withOpacity(0.40);
cursorRadius ??= const Radius.circular(2.0);

220
packages/flutter/lib/src/widgets/editable_text.dart
View File

@ -52,10 +52,6 @@ typedef AppPrivateCommandCallback = void Function(String, Map<String, dynamic>);
// to transparent, is twice this duration.
const Duration _kCursorBlinkHalfPeriod = Duration(milliseconds: 500);
// The time the cursor is static in opacity before animating to become
// transparent.
const Duration _kCursorBlinkWaitForStart = Duration(milliseconds: 150);
// Number of cursor ticks during which the most recently entered character
// is shown in an obscured text field.
const int _kObscureShowLatestCharCursorTicks = 3;
@ -301,6 +297,91 @@ class ToolbarOptions {
final bool selectAll;
}
// A time-value pair that represents a key frame in an animation.
class _KeyFrame {
const _KeyFrame(this.time, this.value);
// Values extracted from iOS 15.4 UIKit.
static const List<_KeyFrame> iOSBlinkingCaretKeyFrames = <_KeyFrame>[
_KeyFrame(0, 1), // 0
_KeyFrame(0.5, 1), // 1
_KeyFrame(0.5375, 0.75), // 2
_KeyFrame(0.575, 0.5), // 3
_KeyFrame(0.6125, 0.25), // 4
_KeyFrame(0.65, 0), // 5
_KeyFrame(0.85, 0), // 6
_KeyFrame(0.8875, 0.25), // 7
_KeyFrame(0.925, 0.5), // 8
_KeyFrame(0.9625, 0.75), // 9
_KeyFrame(1, 1), // 10
];
// The timing, in seconds, of the specified animation `value`.
final double time;
final double value;
}
class _DiscreteKeyFrameSimulation extends Simulation {
_DiscreteKeyFrameSimulation.iOSBlinkingCaret() : this._(_KeyFrame.iOSBlinkingCaretKeyFrames, 1);
_DiscreteKeyFrameSimulation._(this._keyFrames, this.maxDuration)
: assert(_keyFrames.isNotEmpty),
assert(_keyFrames.last.time <= maxDuration),
assert(() {
for (int i = 0; i < _keyFrames.length -1; i += 1) {
if (_keyFrames[i].time > _keyFrames[i + 1].time) {
return false;
}
}
return true;
}(), 'The key frame sequence must be sorted by time.');
final double maxDuration;
final List<_KeyFrame> _keyFrames;
@override
double dx(double time) => 0;
@override
bool isDone(double time) => time >= maxDuration;
// The index of the KeyFrame corresponds to the most recent input `time`.
int _lastKeyFrameIndex = 0;
@override
double x(double time) {
final int length = _keyFrames.length;
// Perform a linear search in the sorted key frame list, starting from the
// last key frame found, since the input `time` usually monotonically
// increases by a small amount.
int searchIndex;
final int endIndex;
if (_keyFrames[_lastKeyFrameIndex].time > time) {
// The simulation may have restarted. Search within the index range
// [0, _lastKeyFrameIndex).
searchIndex = 0;
endIndex = _lastKeyFrameIndex;
} else {
searchIndex = _lastKeyFrameIndex;
endIndex = length;
}
// Find the target key frame. Don't have to check (endIndex - 1): if
// (endIndex - 2) doesn't work we'll have to pick (endIndex - 1) anyways.
while (searchIndex < endIndex - 1) {
assert(_keyFrames[searchIndex].time <= time);
final _KeyFrame next = _keyFrames[searchIndex + 1];
if (time < next.time) {
break;
}
searchIndex += 1;
}
_lastKeyFrameIndex = searchIndex;
return _keyFrames[_lastKeyFrameIndex].value;
}
}
/// A basic text input field.
///
/// This widget interacts with the [TextInput] service to let the user edit the
@ -1597,7 +1678,14 @@ class EditableText extends StatefulWidget {
/// State for a [EditableText].
class EditableTextState extends State<EditableText> with AutomaticKeepAliveClientMixin<EditableText>, WidgetsBindingObserver, TickerProviderStateMixin<EditableText>, TextSelectionDelegate implements TextInputClient, AutofillClient {
Timer? _cursorTimer;
bool _targetCursorVisibility = false;
AnimationController get _cursorBlinkOpacityController {
return _backingCursorBlinkOpacityController ??= AnimationController(
vsync: this,
)..addListener(_onCursorColorTick);
}
AnimationController? _backingCursorBlinkOpacityController;
late final Simulation _iosBlinkCursorSimulation = _DiscreteKeyFrameSimulation.iOSBlinkingCaret();
final ValueNotifier<bool> _cursorVisibilityNotifier = ValueNotifier<bool>(true);
final GlobalKey _editableKey = GlobalKey();
final ClipboardStatusNotifier? _clipboardStatus = kIsWeb ? null : ClipboardStatusNotifier();
@ -1608,8 +1696,6 @@ class EditableTextState extends State<EditableText> with AutomaticKeepAliveClien
ScrollController? _internalScrollController;
ScrollController get _scrollController => widget.scrollController ?? (_internalScrollController ??= ScrollController());
AnimationController? _cursorBlinkOpacityController;
final LayerLink _toolbarLayerLink = LayerLink();
final LayerLink _startHandleLayerLink = LayerLink();
final LayerLink _endHandleLayerLink = LayerLink();
@ -1637,10 +1723,6 @@ class EditableTextState extends State<EditableText> with AutomaticKeepAliveClien
/// - Changing the selection using a physical keyboard.
bool get _shouldCreateInputConnection => kIsWeb || !widget.readOnly;
// This value is an eyeball estimation of the time it takes for the iOS cursor
// to ease in and out.
static const Duration _fadeDuration = Duration(milliseconds: 250);
// The time it takes for the floating cursor to snap to the text aligned
// cursor position after the user has finished placing it.
static const Duration _floatingCursorResetTime = Duration(milliseconds: 125);
@ -1652,7 +1734,7 @@ class EditableTextState extends State<EditableText> with AutomaticKeepAliveClien
@override
bool get wantKeepAlive => widget.focusNode.hasFocus;
Color get _cursorColor => widget.cursorColor.withOpacity(_cursorBlinkOpacityController!.value);
Color get _cursorColor => widget.cursorColor.withOpacity(_cursorBlinkOpacityController.value);
@override
bool get cutEnabled => widget.toolbarOptions.cut && !widget.readOnly && !widget.obscureText;
@ -1806,10 +1888,6 @@ class EditableTextState extends State<EditableText> with AutomaticKeepAliveClien
@override
void initState() {
super.initState();
_cursorBlinkOpacityController = AnimationController(
vsync: this,
duration: _fadeDuration,
)..addListener(_onCursorColorTick);
_clipboardStatus?.addListener(_onChangedClipboardStatus);
widget.controller.addListener(_didChangeTextEditingValue);
widget.focusNode.addListener(_handleFocusChanged);
@ -1846,7 +1924,7 @@ class EditableTextState extends State<EditableText> with AutomaticKeepAliveClien
if (_tickersEnabled != newTickerEnabled) {
_tickersEnabled = newTickerEnabled;
if (_tickersEnabled && _cursorActive) {
_startCursorTimer();
_startCursorBlink();
} else if (!_tickersEnabled && _cursorTimer != null) {
// Cannot use _stopCursorTimer because it would reset _cursorActive.
_cursorTimer!.cancel();
@ -1946,8 +2024,8 @@ class EditableTextState extends State<EditableText> with AutomaticKeepAliveClien
assert(!_hasInputConnection);
_cursorTimer?.cancel();
_cursorTimer = null;
_cursorBlinkOpacityController?.dispose();
_cursorBlinkOpacityController = null;
_backingCursorBlinkOpacityController?.dispose();
_backingCursorBlinkOpacityController = null;
_selectionOverlay?.dispose();
_selectionOverlay = null;
widget.focusNode.removeListener(_handleFocusChanged);
@ -2026,8 +2104,8 @@ class EditableTextState extends State<EditableText> with AutomaticKeepAliveClien
if (_hasInputConnection) {
// To keep the cursor from blinking while typing, we want to restart the
// cursor timer every time a new character is typed.
_stopCursorTimer(resetCharTicks: false);
_startCursorTimer();
_stopCursorBlink(resetCharTicks: false);
_startCursorBlink();
}
}
@ -2548,8 +2626,8 @@ class EditableTextState extends State<EditableText> with AutomaticKeepAliveClien
// To keep the cursor from blinking while it moves, restart the timer here.
if (_cursorTimer != null) {
_stopCursorTimer(resetCharTicks: false);
_startCursorTimer();
_stopCursorBlink(resetCharTicks: false);
_startCursorBlink();
}
}
@ -2703,14 +2781,14 @@ class EditableTextState extends State<EditableText> with AutomaticKeepAliveClien
}
void _onCursorColorTick() {
renderEditable.cursorColor = widget.cursorColor.withOpacity(_cursorBlinkOpacityController!.value);
_cursorVisibilityNotifier.value = widget.showCursor && _cursorBlinkOpacityController!.value > 0;
renderEditable.cursorColor = widget.cursorColor.withOpacity(_cursorBlinkOpacityController.value);
_cursorVisibilityNotifier.value = widget.showCursor && _cursorBlinkOpacityController.value > 0;
}
/// Whether the blinking cursor is actually visible at this precise moment
/// (it's hidden half the time, since it blinks).
@visibleForTesting
bool get cursorCurrentlyVisible => _cursorBlinkOpacityController!.value > 0;
bool get cursorCurrentlyVisible => _cursorBlinkOpacityController.value > 0;
/// The cursor blink interval (the amount of time the cursor is in the "on"
/// state or the "off" state). A complete cursor blink period is twice this
@ -2725,83 +2803,69 @@ class EditableTextState extends State<EditableText> with AutomaticKeepAliveClien
int _obscureShowCharTicksPending = 0;
int? _obscureLatestCharIndex;
void _cursorTick(Timer timer) {
_targetCursorVisibility = !_targetCursorVisibility;
final double targetOpacity = _targetCursorVisibility ? 1.0 : 0.0;
if (widget.cursorOpacityAnimates) {
// If we want to show the cursor, we will animate the opacity to the value
// of 1.0, and likewise if we want to make it disappear, to 0.0. An easing
// curve is used for the animation to mimic the aesthetics of the native
// iOS cursor.
//
// These values and curves have been obtained through eyeballing, so are
// likely not exactly the same as the values for native iOS.
_cursorBlinkOpacityController!.animateTo(targetOpacity, curve: Curves.easeOut);
} else {
_cursorBlinkOpacityController!.value = targetOpacity;
}
if (_obscureShowCharTicksPending > 0) {
setState(() {
_obscureShowCharTicksPending = WidgetsBinding.instance.platformDispatcher.brieflyShowPassword
? _obscureShowCharTicksPending - 1
: 0;
});
}
}
void _cursorWaitForStart(Timer timer) {
assert(_kCursorBlinkHalfPeriod > _fadeDuration);
assert(!EditableText.debugDeterministicCursor);
_cursorTimer?.cancel();
_cursorTimer = Timer.periodic(_kCursorBlinkHalfPeriod, _cursorTick);
}
// Indicates whether the cursor should be blinking right now (but it may
// actually not blink because it's disabled via TickerMode.of(context)).
bool _cursorActive = false;
void _startCursorTimer() {
assert(_cursorTimer == null);
void _startCursorBlink() {
assert(!(_cursorTimer?.isActive ?? false) || !(_backingCursorBlinkOpacityController?.isAnimating ?? false));
_cursorActive = true;
if (!_tickersEnabled) {
return;
}
_targetCursorVisibility = true;
_cursorBlinkOpacityController!.value = 1.0;
_cursorTimer?.cancel();
_cursorBlinkOpacityController.value = 1.0;
if (EditableText.debugDeterministicCursor) {
return;
}
if (widget.cursorOpacityAnimates) {
_cursorTimer = Timer.periodic(_kCursorBlinkWaitForStart, _cursorWaitForStart);
_cursorBlinkOpacityController.animateWith(_iosBlinkCursorSimulation).whenComplete(_onCursorTick);
} else {
_cursorTimer = Timer.periodic(_kCursorBlinkHalfPeriod, _cursorTick);
_cursorTimer = Timer.periodic(_kCursorBlinkHalfPeriod, (Timer timer) { _onCursorTick(); });
}
}
void _stopCursorTimer({ bool resetCharTicks = true }) {
void _onCursorTick() {
if (_obscureShowCharTicksPending > 0) {
_obscureShowCharTicksPending = WidgetsBinding.instance.platformDispatcher.brieflyShowPassword
? _obscureShowCharTicksPending - 1
: 0;
if (_obscureShowCharTicksPending == 0) {
setState(() { });
}
}
if (widget.cursorOpacityAnimates) {
_cursorTimer?.cancel();
// Schedule this as an async task to avoid blocking tester.pumpAndSettle
// indefinitely.
_cursorTimer = Timer(Duration.zero, () => _cursorBlinkOpacityController.animateWith(_iosBlinkCursorSimulation).whenComplete(_onCursorTick));
} else {
if (!(_cursorTimer?.isActive ?? false) && _tickersEnabled) {
_cursorTimer = Timer.periodic(_kCursorBlinkHalfPeriod, (Timer timer) { _onCursorTick(); });
}
_cursorBlinkOpacityController.value = _cursorBlinkOpacityController.value == 0 ? 1 : 0;
}
}
void _stopCursorBlink({ bool resetCharTicks = true }) {
_cursorActive = false;
_cursorTimer?.cancel();
_cursorTimer = null;
_targetCursorVisibility = false;
_cursorBlinkOpacityController!.value = 0.0;
_cursorBlinkOpacityController.value = 0.0;
if (EditableText.debugDeterministicCursor) {
return;
}
_cursorBlinkOpacityController.value = 0.0;
if (resetCharTicks) {
_obscureShowCharTicksPending = 0;
}
if (widget.cursorOpacityAnimates) {
_cursorBlinkOpacityController!.stop();
_cursorBlinkOpacityController!.value = 0.0;
}
}
void _startOrStopCursorTimerIfNeeded() {
if (_cursorTimer == null && _hasFocus && _value.selection.isCollapsed) {
_startCursorTimer();
} else if (_cursorActive && (!_hasFocus || !_value.selection.isCollapsed)) {
_stopCursorTimer();
_startCursorBlink();
}
else if (_cursorActive && (!_hasFocus || !_value.selection.isCollapsed)) {
_stopCursorBlink();
}
}
@ -3488,8 +3552,10 @@ class EditableTextState extends State<EditableText> with AutomaticKeepAliveClien
String text = _value.text;
text = widget.obscuringCharacter * text.length;
// Reveal the latest character in an obscured field only on mobile.
// Newer verions of iOS (iOS 15+) no longer reveal the most recently
// entered character.
const Set<TargetPlatform> mobilePlatforms = <TargetPlatform> {
TargetPlatform.android, TargetPlatform.iOS, TargetPlatform.fuchsia,
TargetPlatform.android, TargetPlatform.fuchsia,
};
final bool breiflyShowPassword = WidgetsBinding.instance.platformDispatcher.brieflyShowPassword
&& mobilePlatforms.contains(defaultTargetPlatform);

34
packages/flutter/test/cupertino/text_field_test.dart
View File

@ -702,40 +702,6 @@ void main() {
expect(editableText.cursorOffset, const Offset(-2.0 / 3.0, 0));
});
testWidgets('Cursor animates', (WidgetTester tester) async {
await tester.pumpWidget(
const CupertinoApp(
home: CupertinoTextField(),
),
);
final Finder textFinder = find.byType(CupertinoTextField);
await tester.tap(textFinder);
await tester.pump();
final EditableTextState editableTextState = tester.firstState(find.byType(EditableText));
final RenderEditable renderEditable = editableTextState.renderEditable;
expect(renderEditable.cursorColor!.alpha, 255);
await tester.pump(const Duration(milliseconds: 100));
await tester.pump(const Duration(milliseconds: 400));
expect(renderEditable.cursorColor!.alpha, 255);
await tester.pump(const Duration(milliseconds: 200));
await tester.pump(const Duration(milliseconds: 100));
expect(renderEditable.cursorColor!.alpha, 110);
await tester.pump(const Duration(milliseconds: 100));
expect(renderEditable.cursorColor!.alpha, 16);
await tester.pump(const Duration(milliseconds: 50));
expect(renderEditable.cursorColor!.alpha, 0);
}, variant: const TargetPlatformVariant(<TargetPlatform>{ TargetPlatform.iOS, TargetPlatform.macOS }));
testWidgets('Cursor radius is 2.0', (WidgetTester tester) async {
await tester.pumpWidget(
const CupertinoApp(

38
packages/flutter/test/material/text_field_test.dart
View File

@ -609,42 +609,6 @@ void main() {
await checkCursorToggle();
});
testWidgets('Cursor animates', (WidgetTester tester) async {
await tester.pumpWidget(
const MaterialApp(
home: Material(
child: TextField(),
),
),
);
final Finder textFinder = find.byType(TextField);
await tester.tap(textFinder);
await tester.pump();
final EditableTextState editableTextState = tester.firstState(find.byType(EditableText));
final RenderEditable renderEditable = editableTextState.renderEditable;
expect(renderEditable.cursorColor!.alpha, 255);
await tester.pump(const Duration(milliseconds: 100));
await tester.pump(const Duration(milliseconds: 400));
expect(renderEditable.cursorColor!.alpha, 255);
await tester.pump(const Duration(milliseconds: 200));
await tester.pump(const Duration(milliseconds: 100));
expect(renderEditable.cursorColor!.alpha, 110);
await tester.pump(const Duration(milliseconds: 100));
expect(renderEditable.cursorColor!.alpha, 16);
await tester.pump(const Duration(milliseconds: 50));
expect(renderEditable.cursorColor!.alpha, 0);
}, variant: const TargetPlatformVariant(<TargetPlatform>{ TargetPlatform.iOS, TargetPlatform.macOS }));
// Regression test for https://github.com/flutter/flutter/issues/78918.
testWidgets('RenderEditable sets correct text editing value', (WidgetTester tester) async {
final TextEditingController controller = TextEditingController(text: 'how are you');
@ -1328,7 +1292,7 @@ void main() {
editText = (findRenderEditable(tester).text! as TextSpan).text!;
expect(editText.substring(editText.length - 1), '\u2022');
}, variant: const TargetPlatformVariant(<TargetPlatform>{ TargetPlatform.iOS, TargetPlatform.android }));
}, variant: const TargetPlatformVariant(<TargetPlatform>{ TargetPlatform.android }));
testWidgets('desktop obscureText control test', (WidgetTester tester) async {
await tester.pumpWidget(

136
packages/flutter/test/widgets/editable_text_cursor_test.dart
View File

@ -166,61 +166,75 @@ void main() {
);
});
testWidgets('Cursor animates', (WidgetTester tester) async {
const Widget widget = MaterialApp(
home: Material(
child: TextField(
maxLines: 3,
testWidgets('Cursor animates on iOS', (WidgetTester tester) async {
await tester.pumpWidget(
const MaterialApp(
home: Material(
child: TextField(),
),
),
);
await tester.pumpWidget(widget);
await tester.tap(find.byType(TextField));
final Finder textFinder = find.byType(TextField);
await tester.tap(textFinder);
await tester.pump();
final EditableTextState editableTextState = tester.firstState(find.byType(EditableText));
final RenderEditable renderEditable = editableTextState.renderEditable;
expect(renderEditable.cursorColor!.alpha, 255);
expect(renderEditable.cursorColor!.opacity, 1.0);
// Trigger initial timer. When focusing the first time, the cursor shows
// for slightly longer than the average on time.
int walltimeMicrosecond = 0;
double lastVerifiedOpacity = 1.0;
Future<void> verifyKeyFrame({ required double opacity, required int at }) async {
const int delta = 1;
assert(at - delta > walltimeMicrosecond);
await tester.pump(Duration(microseconds: at - delta - walltimeMicrosecond));
// Instead of verifying the opacity at each key frame, this function
// verifies the opacity immediately *before* each key frame to avoid
// fp precision issues.
expect(
renderEditable.cursorColor!.opacity,
closeTo(lastVerifiedOpacity, 0.01),
reason: 'opacity at ${at-delta} microseconds',
);
walltimeMicrosecond = at - delta;
lastVerifiedOpacity = opacity;
}
await verifyKeyFrame(opacity: 1.0, at: 500000);
await verifyKeyFrame(opacity: 0.75, at: 537500);
await verifyKeyFrame(opacity: 0.5, at: 575000);
await verifyKeyFrame(opacity: 0.25, at: 612500);
await verifyKeyFrame(opacity: 0.0, at: 650000);
await verifyKeyFrame(opacity: 0.0, at: 850000);
await verifyKeyFrame(opacity: 0.25, at: 887500);
await verifyKeyFrame(opacity: 0.5, at: 925000);
await verifyKeyFrame(opacity: 0.75, at: 962500);
await verifyKeyFrame(opacity: 1.0, at: 1000000);
}, variant: const TargetPlatformVariant(<TargetPlatform>{ TargetPlatform.iOS }));
testWidgets('Cursor does not animate on non-iOS platforms', (WidgetTester tester) async {
await tester.pumpWidget(
const MaterialApp(
home: Material(child: TextField(maxLines: 3)),
),
);
await tester.tap(find.byType(TextField));
await tester.pump();
await tester.pump(const Duration(milliseconds: 200));
// Start timing standard cursor show period.
expect(renderEditable.cursorColor!.alpha, 255);
expect(renderEditable, paints..rrect(color: const Color(0xff2196f3)));
// Wait for the current animation to finish. If the cursor never stops its
// blinking animation the test will timeout.
await tester.pumpAndSettle();
await tester.pump(const Duration(milliseconds: 500));
// Start to animate the cursor away.
expect(renderEditable.cursorColor!.alpha, 255);
expect(renderEditable, paints..rrect(color: const Color(0xff2196f3)));
await tester.pump(const Duration(milliseconds: 100));
expect(renderEditable.cursorColor!.alpha, 110);
expect(renderEditable, paints..rrect(color: const Color(0x6e2196f3)));
await tester.pump(const Duration(milliseconds: 100));
expect(renderEditable.cursorColor!.alpha, 16);
expect(renderEditable, paints..rrect(color: const Color(0x102196f3)));
await tester.pump(const Duration(milliseconds: 100));
expect(renderEditable.cursorColor!.alpha, 0);
// Don't try to draw the cursor.
expect(renderEditable, paintsExactlyCountTimes(#drawRRect, 0));
// Wait some more while the cursor is gone. It'll trigger the cursor to
// start animating in again.
await tester.pump(const Duration(milliseconds: 300));
expect(renderEditable.cursorColor!.alpha, 0);
expect(renderEditable, paintsExactlyCountTimes(#drawRRect, 0));
await tester.pump(const Duration(milliseconds: 50));
// Cursor starts coming back.
expect(renderEditable.cursorColor!.alpha, 79);
expect(renderEditable, paints..rrect(color: const Color(0x4f2196f3)));
}, variant: const TargetPlatformVariant(<TargetPlatform>{ TargetPlatform.iOS, TargetPlatform.macOS }));
for (int i = 0; i < 40; i += 1) {
await tester.pump(const Duration(milliseconds: 100));
expect(tester.hasRunningAnimations, false);
}
}, variant: TargetPlatformVariant(TargetPlatform.values.toSet()..remove(TargetPlatform.iOS)));
testWidgets('Cursor does not animate on Android', (WidgetTester tester) async {
final Color defaultCursorColor = Color(ThemeData.fallback().colorScheme.primary.value);
@ -956,4 +970,40 @@ void main() {
);
EditableText.debugDeterministicCursor = false;
}, variant: const TargetPlatformVariant(<TargetPlatform>{ TargetPlatform.iOS, TargetPlatform.macOS }));
testWidgets('password briefly does not show last character when disabled by system', (WidgetTester tester) async {
final bool debugDeterministicCursor = EditableText.debugDeterministicCursor;
EditableText.debugDeterministicCursor = false;
addTearDown(() {
EditableText.debugDeterministicCursor = debugDeterministicCursor;
});
await tester.pumpWidget(MaterialApp(
home: EditableText(
backgroundCursorColor: Colors.grey,
controller: controller,
obscureText: true,
focusNode: focusNode,
style: textStyle,
cursorColor: cursorColor,
),
));
await tester.enterText(find.byType(EditableText), 'AA');
await tester.pump();
await tester.enterText(find.byType(EditableText), 'AAA');
await tester.pump();
tester.binding.platformDispatcher.brieflyShowPasswordTestValue = false;
addTearDown(() {
tester.binding.platformDispatcher.brieflyShowPasswordTestValue = true;
});
expect((findRenderEditable(tester).text! as TextSpan).text, '••A');
await tester.pump(const Duration(milliseconds: 500));
expect((findRenderEditable(tester).text! as TextSpan).text, '•••');
await tester.pump(const Duration(milliseconds: 500));
await tester.pump(const Duration(milliseconds: 500));
await tester.pump(const Duration(milliseconds: 500));
expect((findRenderEditable(tester).text! as TextSpan).text, '•••');
});
}

36
packages/flutter/test/widgets/editable_text_test.dart
View File

@ -3943,42 +3943,6 @@ void main() {
expect((findRenderEditable(tester).text! as TextSpan).text, '•••');
});
testWidgets('password briefly does not show last character on Android if turned off', (WidgetTester tester) async {
final bool debugDeterministicCursor = EditableText.debugDeterministicCursor;
EditableText.debugDeterministicCursor = false;
addTearDown(() {
EditableText.debugDeterministicCursor = debugDeterministicCursor;
});
await tester.pumpWidget(MaterialApp(
home: EditableText(
backgroundCursorColor: Colors.grey,
controller: controller,
obscureText: true,
focusNode: focusNode,
style: textStyle,
cursorColor: cursorColor,
),
));
await tester.enterText(find.byType(EditableText), 'AA');
await tester.pump();
await tester.enterText(find.byType(EditableText), 'AAA');
await tester.pump();
tester.binding.platformDispatcher.brieflyShowPasswordTestValue = false;
addTearDown(() {
tester.binding.platformDispatcher.brieflyShowPasswordTestValue = true;
});
expect((findRenderEditable(tester).text! as TextSpan).text, '••A');
await tester.pump(const Duration(milliseconds: 500));
expect((findRenderEditable(tester).text! as TextSpan).text, '•••');
await tester.pump(const Duration(milliseconds: 500));
await tester.pump(const Duration(milliseconds: 500));
await tester.pump(const Duration(milliseconds: 500));
expect((findRenderEditable(tester).text! as TextSpan).text, '•••');
});
group('a11y copy/cut/paste', () {
Future<void> buildApp(MockTextSelectionControls controls, WidgetTester tester) {
return tester.pumpWidget(MaterialApp(