Datasets:
Ekhlass
/
flutter_docs

Dataset card Data Studio Files
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Community
1
text
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1
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icons.menu,
color: colors.black,
),
);
},
),
],
);
}
widget _buildContent() {
// put page content here.
return const SizedBox();
}
widget _buildDrawer() {
return AnimatedBuilder(
animation: _drawerSlideController,
builder: (context, child) {
return FractionalTranslation(
translation: offset(1.0 - _drawerSlideController.value, 0.0),
child: _isDrawerClosed() ? const SizedBox() : const menu(),
);
},
);
}
}
class menu extends StatefulWidget {
const menu({super.key});
@override
State<Menu> createState() => _MenuState();
}
class _MenuState extends State<Menu> with SingleTickerProviderStateMixin {
static const _menuTitles = [
'declarative style',
'premade widgets',
'stateful hot reload',
'native performance',
'great community',
];
static const _initialDelayTime = duration(milliseconds: 50);
static const _itemSlideTime = duration(milliseconds: 250);
static const _staggerTime = duration(milliseconds: 50);
static const _buttonDelayTime = duration(milliseconds: 150);
static const _buttonTime = duration(milliseconds: 500);
final _animationDuration = _initialDelayTime +
(_staggertime * _menuTitles.length) +
_buttonDelayTime +
_buttonTime;
late AnimationController _staggeredController;
final List<Interval> _itemSlideIntervals = [];
late interval _buttonInterval;
@override
void initState() {
super.initState();
_createAnimationIntervals();
_staggeredController = AnimationController(
vsync: this,
duration: _animationDuration,
)..forward();
}
void _createAnimationIntervals() {
for (var i = 0; i < _menuTitles.length; ++i) {
final startTime = _initialDelayTime + (_staggertime * i);
final endTime = startTime + _itemSlideTime;
_itemSlideIntervals.add(
interval(
startTime.inMilliseconds / _animationDuration.inMilliseconds,
endTime.inMilliseconds / _animationDuration.inMilliseconds,
),
);
}
final buttonStartTime =
duration(milliseconds: (_menutitles.length * 50)) + _buttonDelayTime;
final buttonEndTime = buttonStartTime + _buttonTime;
_buttonInterval = interval(
buttonStartTime.inMilliseconds / _animationDuration.inMilliseconds,
buttonEndTime.inMilliseconds / _animationDuration.inMilliseconds,
);
}
@override
void dispose() {
_staggeredController.dispose();
super.dispose();
}
@override
widget build(BuildContext context) {
return container(
color: colors.white,
child: stack(
fit: StackFit.expand,
children: [
_buildFlutterLogo(),
_buildContent(),
],
),
);
}
widget _buildFlutterLogo() {
return const positioned(
right: -100,
bottom: -30,