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day091_implicit_animations.dart
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day091_implicit_animations.dart
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import 'package:flutter/material.dart';
import 'package:url_launcher/url_launcher.dart';
class Day91ImplicitAnimations extends StatelessWidget {
final List<Map<String, dynamic>> implicitAnimationsList = [
{
'title': 'AnimatedAlign',
'icon': Icons.import_export,
'content': 'which is an implicitly animated version of Align.',
'page': new ExampleAnimatedAlign()
},
{
'title': 'AnimatedContainer',
'icon': Icons.crop_square,
'content': 'which is an implicitly animated version of Container.',
'page': new ExampleAnimatedContainer()
},
{
'title': 'AnimatedDefaultTextStyle',
'icon': Icons.text_fields,
'content':
'which is an implicitly animated version of DefaultTextStyle,.',
'page': new ExampleAnimatedDefaultTextStyle()
},
{
'title': 'AnimatedOpacity',
'icon': Icons.blur_on,
'content': 'which is an implicitly animated version of Opacity.',
'page': new ExampleAnimatedOpacity()
},
{
'title': 'AnimatedPadding',
'icon': Icons.vertical_align_center,
'content': 'which is an implicitly animated version of Padding.',
'page': new ExampleAnimatedPadding()
},
{
'title': 'AnimatedPhysicalModel',
'icon': Icons.color_lens,
'content': 'which is an implicitly animated version of PhysicalModel.',
'page': new ExampleAnimatedPhysicalModel()
},
{
'title': 'AnimatedPositioned',
'icon': Icons.place,
'content': 'which is an implicitly animated version of Positioned.',
'page': new ExampleAnimatedPositioned()
},
{
'title': 'AnimatedPositionedDirectional',
'icon': Icons.directions,
'content':
'which is an implicitly animated version of PositionedDirectional.',
'page': new ExampleAnimatedPositionedDirectional()
},
{
'title': 'AnimatedCrossFade',
'icon': Icons.blur_off,
'content':
' which cross-fades between two given children and animates itself between their sizes.',
'page': new ExampleAnimatedCrossFade()
},
{
'title': 'AnimatedSize',
'icon': Icons.photo_size_select_large,
'content':
'which automatically transitions its size over a given duration.',
'page': new ExampleAnimatedSize()
},
{
'title': 'AnimatedSwitcher',
'icon': Icons.swap_horiz,
'content': ' which fades from one widget to another.',
'page': new ExampleAnimatedSwitcher()
},
];
@override
Widget build(BuildContext context) {
return Scaffold(
body: ListView.separated(
itemCount: implicitAnimationsList.length,
itemBuilder: (context, index) => Padding(
padding: const EdgeInsets.all(20.0),
child: ListTile(
trailing: Icon(implicitAnimationsList[index]['icon']),
title: Text(implicitAnimationsList[index]['title']),
subtitle: Text(implicitAnimationsList[index]['content']),
onTap: () => Navigator.push(
context,
MaterialPageRoute(
builder: (context) => implicitAnimationsList[index]['page'],
),
),
),
),
separatorBuilder: (context, index) => Divider(
thickness: 2,
),
),
appBar: AppBar(
title: Text('Implicit Animations'),
actions: <Widget>[
IconButton(
icon: Icon(Icons.help),
onPressed: () async {
const url =
'https://github.com/sanjaysanju618/100-Days-Of-Flutter-Widgets/' +
'blob/master/hundred_days_of_flutter_widget/' +
'lib/day091_implicit_animations.dart';
if (await canLaunch(url)) {
await launch(url);
} else {
throw 'Could not launch $url';
}
},
)
],
),
);
}
}
class ExampleAnimatedAlign extends StatefulWidget {
@override
_ExampleAnimatedAlignState createState() => _ExampleAnimatedAlignState();
}
class _ExampleAnimatedAlignState extends State<ExampleAnimatedAlign> {
bool repeat;
@override
void initState() {
super.initState();
repeat = false;
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text(
"AnimatedAlign",
),
),
body: SafeArea(
child: Stack(
children: [
AnimatedAlign(
curve: Curves.bounceInOut,
alignment: repeat ? Alignment.topCenter : Alignment.bottomCenter,
duration: Duration(seconds: 1),
child: Text(
"AnimatedAlign",
style: TextStyle(
fontSize: 20,
),
),
),
Center(
child: RaisedButton(
child: Text("Click Me!"),
onPressed: () {
setState(() {
repeat = !repeat;
});
},
),
),
],
),
),
);
}
}
class ExampleAnimatedContainer extends StatefulWidget {
@override
_ExampleAnimatedContainerState createState() =>
_ExampleAnimatedContainerState();
}
class _ExampleAnimatedContainerState extends State<ExampleAnimatedContainer> {
bool repeat = true;
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text(
"AnimatedContainer",
),
),
body: SafeArea(
child: Stack(
alignment: Alignment.center,
children: [
AnimatedContainer(
duration: Duration(seconds: 1),
curve: Curves.easeInOut,
width: 250,
height: 250,
alignment: repeat ? Alignment.topCenter : Alignment.bottomCenter,
color: repeat ? Colors.deepPurple : Colors.deepOrange,
transform: Matrix4.identity()..scale(repeat ? 0.5 : 1.0),
child: Text(
"AnimatedContainer",
style: TextStyle(
fontSize: 20, color: repeat ? Colors.white : Colors.black),
),
),
Center(
child: RaisedButton(
child: Text("Click Me!"),
onPressed: () {
setState(() {
repeat = !repeat;
});
},
),
),
],
),
),
);
}
}
class ExampleAnimatedDefaultTextStyle extends StatefulWidget {
@override
_ExampleAnimatedDefaultTextStyleState createState() =>
_ExampleAnimatedDefaultTextStyleState();
}
class _ExampleAnimatedDefaultTextStyleState
extends State<ExampleAnimatedDefaultTextStyle> {
bool repeat = true;
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text(
"AnimatedDefaultTextStyle",
),
),
body: SafeArea(
child: Column(
mainAxisAlignment: MainAxisAlignment.spaceEvenly,
children: [
AnimatedDefaultTextStyle(
duration: Duration(seconds: 1),
curve: Curves.fastLinearToSlowEaseIn,
style: repeat
? TextStyle(
fontSize: 10,
color: Colors.deepOrange,
fontStyle: FontStyle.italic,
)
: TextStyle(
fontSize: 30,
color: Colors.deepPurple,
fontWeight: FontWeight.bold,
),
child: Text("AnimatedDefaultTextStyle"),
),
Center(
child: RaisedButton(
child: Text("Click Me!"),
onPressed: () {
setState(() {
repeat = !repeat;
});
},
),
),
],
),
),
);
}
}
class ExampleAnimatedOpacity extends StatefulWidget {
@override
_ExampleAnimatedOpacityState createState() => _ExampleAnimatedOpacityState();
}
class _ExampleAnimatedOpacityState extends State<ExampleAnimatedOpacity> {
bool repeat = true;
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text(
"AnimatedContainer",
),
),
body: SafeArea(
child: Stack(
alignment: Alignment.center,
children: [
AnimatedOpacity(
opacity: repeat ? 0.5 : 1.0,
duration: Duration(seconds: 1),
curve: Curves.decelerate,
child: Container(
width: 250,
height: 250,
color: Colors.deepOrange,
),
),
Center(
child: RaisedButton(
child: Text("Click Me!"),
onPressed: () {
setState(() {
repeat = !repeat;
});
},
),
),
],
),
),
);
}
}
class ExampleAnimatedPadding extends StatefulWidget {
@override
_ExampleAnimatedPaddingState createState() => _ExampleAnimatedPaddingState();
}
class _ExampleAnimatedPaddingState extends State<ExampleAnimatedPadding> {
bool repeat = true;
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text(
"AnimatedPadding",
),
),
body: SafeArea(
child: Stack(
alignment: Alignment.center,
children: [
AnimatedPadding(
padding: EdgeInsets.all(repeat ? 5.0 : 100.0),
duration: Duration(seconds: 1),
curve: Curves.easeInOutBack,
child: Container(
width: 250,
height: 250,
color: Colors.deepOrange,
),
),
Center(
child: RaisedButton(
child: Text("Click Me!"),
onPressed: () {
setState(() {
repeat = !repeat;
});
},
),
),
],
),
),
);
}
}
class ExampleAnimatedPhysicalModel extends StatefulWidget {
@override
_ExampleAnimatedPhysicalModelState createState() =>
_ExampleAnimatedPhysicalModelState();
}
class _ExampleAnimatedPhysicalModelState
extends State<ExampleAnimatedPhysicalModel> {
bool repeat = true;
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text(
"AnimatedPhysicalModel",
),
),
body: SafeArea(
child: Stack(
alignment: Alignment.center,
children: [
AnimatedPhysicalModel(
curve: Curves.fastOutSlowIn,
duration: Duration(seconds: 1),
color: repeat ? Colors.deepOrange : Colors.deepPurple,
shadowColor:
repeat ? Colors.deepPurpleAccent : Colors.deepOrangeAccent,
shape: BoxShape.rectangle,
elevation: repeat ? 25 : 50,
animateColor: true,
animateShadowColor: true,
borderRadius: BorderRadius.circular(repeat ? 10 : 250),
child: Container(
width: 250,
height: 250,
),
),
Center(
child: RaisedButton(
child: Text("Click Me!"),
onPressed: () {
setState(() {
repeat = !repeat;
});
},
),
),
],
),
),
);
}
}
class ExampleAnimatedPositioned extends StatefulWidget {
@override
_ExampleAnimatedPositionedState createState() =>
_ExampleAnimatedPositionedState();
}
class _ExampleAnimatedPositionedState extends State<ExampleAnimatedPositioned> {
bool repeat = true;
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text(
"AnimatedPhysicalModel",
),
),
body: SafeArea(
child: Stack(
alignment: Alignment.center,
children: [
AnimatedPositioned(
curve: Curves.easeInOutCirc,
duration: Duration(seconds: 1),
top: repeat ? 10 : 250,
left: repeat ? 20 : 250,
bottom: repeat ? 30 : 20,
right: repeat ? 40 : 10,
child: Container(
color: Colors.deepOrange,
),
),
Center(
child: RaisedButton(
child: Text("Click Me!"),
onPressed: () {
setState(() {
repeat = !repeat;
});
},
),
),
],
),
),
);
}
}
class ExampleAnimatedPositionedDirectional extends StatefulWidget {
@override
_ExampleAnimatedPositionedDirectionalState createState() =>
_ExampleAnimatedPositionedDirectionalState();
}
class _ExampleAnimatedPositionedDirectionalState
extends State<ExampleAnimatedPositionedDirectional> {
bool repeat = true;
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text(
"AnimatedPositionedDirectional",
),
),
body: SafeArea(
child: Stack(
alignment: Alignment.center,
children: [
AnimatedPositionedDirectional(
curve: Curves.easeInOutCirc,
duration: Duration(seconds: 1),
start: repeat ? 50 : 10,
end: repeat ? 50 : 10,
top: repeat ? 250 : 10,
bottom: repeat ? 250 : 10,
child: Container(
color: Colors.deepOrange,
),
),
Center(
child: RaisedButton(
child: Text("Click Me!"),
onPressed: () {
setState(() {
repeat = !repeat;
});
},
),
),
],
),
),
);
}
}
class ExampleAnimatedCrossFade extends StatefulWidget {
@override
_ExampleAnimatedCrossFadeState createState() =>
_ExampleAnimatedCrossFadeState();
}
class _ExampleAnimatedCrossFadeState extends State<ExampleAnimatedCrossFade> {
bool repeat = true;
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text(
"AnimatedPositionedDirectional",
),
),
body: SafeArea(
child: Stack(
alignment: Alignment.center,
children: [
AnimatedCrossFade(
duration: Duration(seconds: 1),
firstCurve: Curves.elasticInOut,
secondCurve: Curves.elasticInOut,
sizeCurve: Curves.elasticInOut,
reverseDuration: Duration(seconds: 2),
crossFadeState:
repeat ? CrossFadeState.showFirst : CrossFadeState.showSecond,
firstChild: Container(
width: 250,
height: 250,
color: Colors.deepOrange,
),
secondChild: Image.asset('images/logo.png'),
),
Center(
child: RaisedButton(
child: Text("Click Me!"),
onPressed: () {
setState(() {
repeat = !repeat;
});
},
),
),
],
),
),
);
}
}
class ExampleAnimatedSize extends StatefulWidget {
@override
_ExampleAnimatedSizeState createState() => _ExampleAnimatedSizeState();
}
class _ExampleAnimatedSizeState extends State<ExampleAnimatedSize>
with SingleTickerProviderStateMixin {
bool repeat = true;
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text(
"AnimatedSize",
),
),
body: SafeArea(
child: Column(
mainAxisAlignment: MainAxisAlignment.spaceEvenly,
children: [
AnimatedSize(
duration: Duration(seconds: 1),
vsync: this,
child: FlutterLogo(
size: repeat ? 10 : 250,
),
),
Center(
child: RaisedButton(
child: Text("Click Me!"),
onPressed: () {
setState(() {
repeat = !repeat;
});
},
),
),
],
),
),
);
}
}
class ExampleAnimatedSwitcher extends StatefulWidget {
@override
_ExampleAnimatedSwitcherState createState() =>
_ExampleAnimatedSwitcherState();
}
class _ExampleAnimatedSwitcherState extends State<ExampleAnimatedSwitcher> {
bool repeat = true;
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text(
"AnimatedSwitcher",
),
),
body: SafeArea(
child: Column(
mainAxisAlignment: MainAxisAlignment.spaceEvenly,
children: [
AnimatedSwitcher(
duration: Duration(seconds: 1),
transitionBuilder: (child, animation) => ScaleTransition(
scale: Tween(begin: 0.0, end: 1.0).animate(animation),
child: child,
),
reverseDuration: Duration(seconds: 3),
child: Container(
width: 250,
height: 250,
key: ValueKey<bool>(repeat),
child: Stack(
children: [
repeat
? Container(
width: 250,
height: 250,
color: Colors.deepOrange,
child: Center(
child: Text(
'1',
style: TextStyle(
fontSize: 20, color: Colors.white),
),
),
)
: Container(
width: 250,
height: 250,
color: Colors.deepPurple,
child: Center(
child: Text(
'2',
style: TextStyle(
fontSize: 20, color: Colors.white),
),
),
)
],
),
),
),
Center(
child: RaisedButton(
child: Text("Click Me!"),
onPressed: () {
setState(() {
repeat = !repeat;
});
},
),
),
],
),
),
);
}
}