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Implemented strongly-typed page transition types. #2

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merged 1 commit into from
Dec 15, 2018
Merged

Implemented strongly-typed page transition types. #2

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14 changes: 7 additions & 7 deletions README.md
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Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -10,23 +10,23 @@ It is really easy to use!
## Examples

```dart
Navigator.push(context,PageTransition(type:'fade', child: DetailScreen()));
Navigator.push(context,PageTransition(type: PageTransitionType.fade, child: DetailScreen()));

Navigator.push(context,PageTransition(type:'leftToRigth', child: DetailScreen()));
Navigator.push(context,PageTransition(type: PageTransitionType.leftToRight, child: DetailScreen()));

Navigator.push(context,PageTransition(type:'scale',aligment: Alignment.bottomCenter, child: DetailScreen()));
Navigator.push(context,PageTransition(type: PageTransitionType.scale, alignment: Alignment.bottomCenter, child: DetailScreen()));

Navigator.push(context,PageTransition(type:'size', aligment: Alignment.bottomCenter,child: DetailScreen()));
Navigator.push(context,PageTransition(type: PageTransitionType.size, alignment: Alignment.bottomCenter,child: DetailScreen()));

Navigator.push(context,PageTransition(type:'rotate', duration: Duration(second:1), child: DetailScreen()));
Navigator.push(context,PageTransition(type: PageTransitionType.rotate, duration: Duration(second:1), child: DetailScreen()));
```
## Usage for Named Route Parameters
First you have to add MaterialApp property name onGenerateRoute like below and in switch cases you can Transition your new routes;
```dart
onGenerateRoute: (settings) {
switch (settings.name) {
case '/second':
return PageTransition(child: SecondPage(), type: 'scale');
return PageTransition(child: SecondPage(), type: PageTransitionType.scale);
break;
default:
return null;
Expand All @@ -38,7 +38,7 @@ After that you can route new route
Navigator.pushNamed(context, '/second');
```
## Type Of transition
`fade, rightToLeft, leftToright, UpToDown, DownToUp, scale(with alignment) ,rotate(with alignment), size(with alignment)`
`fade, rightToLeft, leftToRight, upToDown, downToUp, scale(with alignment), rotate(with alignment), size(with alignment)`

## Curves
You can use any type of CurvedAnimation Curves
Expand Down
18 changes: 9 additions & 9 deletions example/lib/main.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -35,14 +35,14 @@ class MyHomePage extends StatelessWidget {
child: Text('Fade Second Page'),
onPressed: () {
Navigator.push(
context, PageTransition(type: 'fade', child: SecondPage()));
context, PageTransition(type: PageTransitionType.fade, child: SecondPage()));
},
),
RaisedButton(
child: Text('Left To Right Slide Second Page'),
onPressed: () {
Navigator.push(context,
PageTransition(type: 'leftToRight', child: SecondPage()));
PageTransition(type: PageTransitionType.leftToRight, child: SecondPage()));
},
),
RaisedButton(
Expand All @@ -53,7 +53,7 @@ class MyHomePage extends StatelessWidget {
PageTransition(
alignment: Alignment.bottomCenter,
curve: Curves.bounceOut,
type: 'size',
type: PageTransitionType.size,
child: SecondPage()));
},
),
Expand All @@ -64,7 +64,7 @@ class MyHomePage extends StatelessWidget {
context,
PageTransition(
curve: Curves.bounceOut,
type: 'rotate',
type: PageTransitionType.rotate,
alignment: Alignment.topCenter,
child: SecondPage()));
},
Expand All @@ -76,30 +76,30 @@ class MyHomePage extends StatelessWidget {
context,
PageTransition(
curve: Curves.linear,
type: 'scale',
type: PageTransitionType.scale,
alignment: Alignment.topCenter,
child: SecondPage()));
},
),
RaisedButton(
child: Text('Upto Down Second Page'),
child: Text('Up to Down Second Page'),
onPressed: () {
Navigator.push(
context,
PageTransition(
curve: Curves.linear,
type: 'upToDown',
type: PageTransitionType.upToDown,
child: SecondPage()));
},
),
RaisedButton(
child: Text('Down To Up Second Page'),
child: Text('Down to Up Second Page'),
onPressed: () {
Navigator.push(
context,
PageTransition(
curve: Curves.linear,
type: 'DownToUp',
type: PageTransitionType.downToUp,
child: SecondPage()));
},
),
Expand Down
29 changes: 20 additions & 9 deletions lib/page_transition.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -2,9 +2,20 @@ library page_transition;

import 'package:flutter/material.dart';

enum PageTransitionType {
fade,
rightToLeft,
leftToRight,
upToDown,
downToUp,
scale,
rotate,
size,
}

class PageTransition<T> extends PageRouteBuilder<T> {
final Widget child;
final String type;
final PageTransitionType type;
final Curve curve;
final Alignment alignment;
final Duration duration;
Expand All @@ -27,10 +38,10 @@ class PageTransition<T> extends PageRouteBuilder<T> {
Animation<double> secondaryAnimation,
Widget child) {
switch (type) {
case 'fade':
case PageTransitionType.fade:
return FadeTransition(opacity: animation, child: child);
break;
case 'rightToLeft':
case PageTransitionType.rightToLeft:
return SlideTransition(
transformHitTests: true,
position: new Tween<Offset>(
Expand All @@ -46,7 +57,7 @@ class PageTransition<T> extends PageRouteBuilder<T> {
),
);
break;
case 'leftToRight':
case PageTransitionType.leftToRight:
return SlideTransition(
transformHitTests: true,
position: Tween<Offset>(
Expand All @@ -62,7 +73,7 @@ class PageTransition<T> extends PageRouteBuilder<T> {
),
);
break;
case 'upToDown':
case PageTransitionType.upToDown:
return SlideTransition(
transformHitTests: true,
position: Tween<Offset>(
Expand All @@ -78,7 +89,7 @@ class PageTransition<T> extends PageRouteBuilder<T> {
),
);
break;
case 'DownToUp':
case PageTransitionType.downToUp:
return SlideTransition(
transformHitTests: true,
position: Tween<Offset>(
Expand All @@ -94,7 +105,7 @@ class PageTransition<T> extends PageRouteBuilder<T> {
),
);
break;
case 'scale':
case PageTransitionType.scale:
return ScaleTransition(
alignment: alignment,
scale: CurvedAnimation(
Expand All @@ -108,7 +119,7 @@ class PageTransition<T> extends PageRouteBuilder<T> {
child: child,
);
break;
case 'rotate':
case PageTransitionType.rotate:
return new RotationTransition(
alignment: alignment,
turns: animation,
Expand All @@ -122,7 +133,7 @@ class PageTransition<T> extends PageRouteBuilder<T> {
),
);
break;
case 'size':
case PageTransitionType.size:
return Align(
alignment: alignment,
child: SizeTransition(
Expand Down