get 2.2.7 get: ^2.2.7 copied to clipboard
Open screens/snackbars/dialogs/bottomSheets without context, manage states and inject dependencies easily with Get.
import 'package:flutter/material.dart';
import 'package:get/get.dart';
void main() {
runApp(GetMaterialApp(home: First()));
}
class First extends StatelessWidget {
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
leading: IconButton(
icon: Icon(Icons.add),
onPressed: () {
Get.snackbar("Hi", "I'm modern snackbar");
},
),
title: Text('First Route'),
),
body: Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
GetBuilder<Controller>( // You only need to initialize your controller the first time you use it. Don't use init in your other GetBuilders anymore
init: Controller(),
builder: (s) => Text(
'clicks: ${s.count}',
)),
RaisedButton(
child: Text('Next Route'),
onPressed: () {
// use Get.to to navigate to Second Screen
Get.to(Second());
},
),
],
),
),
floatingActionButton: FloatingActionButton(
child: Icon(Icons.add),
onPressed: () {
Controller.to.increment();
}),
);
}
}
class Second extends StatelessWidget {
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text('second Route'),
),
body: Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
GetBuilder<Controller>(
// no init
builder: (_) => Text('${_.count}'),
),
RaisedButton(
child: Text("Go to last page"),
onPressed: () {
Get.to(Third());
},
),
],
),
),
floatingActionButton: FloatingActionButton(
child: Icon(Icons.add),
onPressed: () {
Controller.to.increment();
}),
);
}
}
class Third extends StatelessWidget {
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text("Third Route"),
),
body: Center(
// you can use this syntax too
child: Text("Clicks: ${Get.find<Controller>().count}"),
),
);
}
}
class Controller extends GetController {
/// You definitely don't need to use this method.
/// I use it because it facilitates a lot in productivity
/// when I have dozens of references to a controller.
/// In order to use the Get.find<Controller>().count syntax
/// you can take advantage of the IDE's autocomplete
/// and type without typing the type like this:
/// Controller.to.count
static Controller get to => Get.find();
int count = 0;
void increment() {
count++;
/// use update method to update all count variables
update(this);
}
}