Answers for "future widget flutter"

Dart

flutter future builder

FutureBuilder<String>(
        future: _fetchNetworkCall, // async work
        builder: (BuildContext context, AsyncSnapshot<String> snapshot) {
           switch (snapshot.connectionState) {
             case ConnectionState.waiting: return Text('Loading....');
             default:
               if (snapshot.hasError)
                  return Text('Error: ${snapshot.error}');
               else
              return Text('Result: ${snapshot.data}');
            }
         },
        ),

Posted by: Guest on October-28-2020

Source

flutter stateful widget

class YellowBird extends StatefulWidget {
  const YellowBird({ Key key }) : super(key: key);

  @override
  _YellowBirdState createState() => _YellowBirdState();
}

class _YellowBirdState extends State<YellowBird> {
  @override
  Widget build(BuildContext context) {
    return Container(color: const Color(0xFFFFE306));
  }
}

Posted by: Guest on May-10-2020

Source

make stateful widget flutter

class MyClass extends StatefulWidget {
	@override
    MyClassState createState() => new MyClassState();
}

class MyClassState extends State<MyClass> {
	//Widgets and other code here
}

Posted by: Guest on May-13-2020

flutter future

// Step 1: Set the variable in future<void>
// Step 2: Make sure to use the variable on
// async void who await the future

String? test;
Future<void> fetchUserOrder() {
  // Imagine that this function is fetching user info from another service or database.
  return Future.delayed(const Duration(seconds: 1), () => test = "Large Latte");
}

void main() async {
  await fetchUserOrder();
  print('Fetching user order... $test');
}

Posted by: Guest on August-04-2021

Source

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