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Added switch animations to MeteringScreen

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This commit is contained in:
Vadim 2023-08-04 16:17:40 +02:00
parent 6e1aaf5acf
commit 8a71c8db13
5 changed files with 82 additions and 77 deletions
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1
lib/res/dimens.dart
View file

@ -25,6 +25,7 @@ class Dimens {
static const Duration durationM = Duration(milliseconds: 200);
static const Duration durationML = Duration(milliseconds: 250);
static const Duration durationL = Duration(milliseconds: 300);
static const Duration switchDuration = Duration(milliseconds: 100);
static const double enabledOpacity = 1.0;
static const double disabledOpacity = 0.38;

5
lib/screens/metering/components/camera_container/components/camera_view_placeholder/widget_placeholder_camera_view.dart
View file

@ -10,10 +10,9 @@ class CameraViewPlaceholder extends StatelessWidget {
@override
Widget build(BuildContext context) {
return Card(
color: error != null ? null : Colors.black,
shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(Dimens.borderRadiusM)),
child: Center(
child: error != null ? const Icon(Icons.no_photography) : const CircularProgressIndicator(),
),
child: Center(child: error != null ? const Icon(Icons.no_photography) : null),
);
}
}

26
lib/screens/metering/components/camera_container/widget_container_camera.dart
View file

@ -110,17 +110,17 @@ class _CameraViewBuilder extends StatelessWidget {
return AspectRatio(
aspectRatio: PlatformConfig.cameraPreviewAspectRatio,
child: BlocBuilder<CameraContainerBloc, CameraContainerState>(
buildWhen: (previous, current) =>
current is CameraLoadingState ||
current is CameraInitializedState ||
current is CameraErrorState,
builder: (context, state) {
if (state is CameraInitializedState) {
return Center(child: CameraView(controller: state.controller));
} else {
return CameraViewPlaceholder(error: state is CameraErrorState ? state.error : null);
}
},
buildWhen: (previous, current) => current is! CameraActiveState,
builder: (context, state) => Center(
child: AnimatedSwitcher(
duration: Dimens.durationM,
child: switch (state) {
CameraInitializedState() => CameraView(controller: state.controller),
CameraErrorState() => CameraViewPlaceholder(error: state.error),
_ => const CameraViewPlaceholder(error: null),
},
),
),
),
);
}
@ -161,11 +161,11 @@ class _CameraControlsBuilder extends StatelessWidget {
},
);
} else {
child = const SizedBox.shrink();
child = const Column(children: [Expanded(child: SizedBox.shrink())],);
}
return AnimatedSwitcher(
duration: Dimens.durationS,
duration: Dimens.switchDuration,
child: child,
);
},

112
lib/screens/metering/components/shared/exposure_pairs_list/widget_list_exposure_pairs.dart
View file

@ -12,70 +12,72 @@ class ExposurePairsList extends StatelessWidget {
@override
Widget build(BuildContext context) {
if (exposurePairs.isEmpty) {
return const EmptyExposurePairsList();
}
return Stack(
alignment: Alignment.center,
children: [
Positioned.fill(
child: ListView.builder(
key: ValueKey(exposurePairs.hashCode),
padding: const EdgeInsets.symmetric(vertical: Dimens.paddingL),
itemCount: exposurePairs.length,
itemBuilder: (_, index) => Stack(
return AnimatedSwitcher(
duration: Dimens.switchDuration,
child: exposurePairs.isEmpty
? const EmptyExposurePairsList()
: Stack(
alignment: Alignment.center,
children: [
Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Expanded(
child: Align(
alignment: Alignment.centerLeft,
child: ExposurePairsListItem(
exposurePairs[index].aperture,
tickOnTheLeft: false,
Positioned.fill(
child: ListView.builder(
key: ValueKey(exposurePairs.hashCode),
padding: const EdgeInsets.symmetric(vertical: Dimens.paddingL),
itemCount: exposurePairs.length,
itemBuilder: (_, index) => Stack(
alignment: Alignment.center,
children: [
Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Expanded(
child: Align(
alignment: Alignment.centerLeft,
child: ExposurePairsListItem(
exposurePairs[index].aperture,
tickOnTheLeft: false,
),
),
),
Expanded(
child: Align(
alignment: Alignment.centerLeft,
child: ExposurePairsListItem(
exposurePairs[index].shutterSpeed,
tickOnTheLeft: true,
),
),
),
],
),
),
),
Expanded(
child: Align(
alignment: Alignment.centerLeft,
child: ExposurePairsListItem(
exposurePairs[index].shutterSpeed,
tickOnTheLeft: true,
Positioned(
top: 0,
bottom: 0,
child: LayoutBuilder(
builder: (context, constraints) => Align(
alignment: index == 0
? Alignment.bottomCenter
: (index == exposurePairs.length - 1
? Alignment.topCenter
: Alignment.center),
child: SizedBox(
height: index == 0 || index == exposurePairs.length - 1
? constraints.maxHeight / 2
: constraints.maxHeight,
child: ColoredBox(
color: Theme.of(context).colorScheme.onBackground,
child: const SizedBox(width: 1),
),
),
),
),
),
),
),
],
),
Positioned(
top: 0,
bottom: 0,
child: LayoutBuilder(
builder: (context, constraints) => Align(
alignment: index == 0
? Alignment.bottomCenter
: (index == exposurePairs.length - 1
? Alignment.topCenter
: Alignment.center),
child: SizedBox(
height: index == 0 || index == exposurePairs.length - 1
? constraints.maxHeight / 2
: constraints.maxHeight,
child: ColoredBox(
color: Theme.of(context).colorScheme.onBackground,
child: const SizedBox(width: 1),
),
),
],
),
),
),
],
),
),
),
],
);
}
}

15
lib/screens/metering/components/shared/readings_container/components/reading_value_container/widget_container_reading_value.dart
View file

@ -72,12 +72,15 @@ class _ReadingValueBuilder extends StatelessWidget {
softWrap: false,
),
const SizedBox(height: Dimens.grid4),
Text(
reading.value,
style: textTheme.titleMedium?.copyWith(color: textColor),
maxLines: 1,
overflow: TextOverflow.ellipsis,
softWrap: false,
AnimatedSwitcher(
duration: Dimens.switchDuration,
child: Text(
reading.value,
style: textTheme.titleMedium?.copyWith(color: textColor),
maxLines: 1,
overflow: TextOverflow.ellipsis,
softWrap: false,
),
)
],
);