Dart language asynchronous ??

import 'dart:async';

void main() {
  final myFuture = Future(() {
    print("Hello from the future!");
    return true;
  });

  print("Done!");
}

Source: rahmanfadhil.com

Future as a parameter with async in flutter

FloatingActionButton(
  onPressed: () => getImageFromCam(index),
  tooltip: 'Pick Image',
  child: Icon(Icons.add_a_photo),
);

...

Future<void> getImageFromCam(int index) async {
  // Do whatever you want with `index`.
  final image = await ImagePicker.pickImage(source: ImageSource.camera);
  setState(() => _image = image);
}

Source: stackoverflow.com

Similar codes

4 votes326 views3 answers
Flutter round container
Dart
0 vote265 views1 answer
Delete in array dart
Dart
0 vote285 views1 answer
Dart how to tell if an object is an instance of a class
Dart
1 vote266 views1 answer
Inkwell radius flutter
Dart
3 votes280 views2 answers
Get file name from path dart
Dart
4 votes300 views3 answers
Flutter get key from map
Dart
1 vote265 views1 answer
Flutter array of strings
Dart
0 vote269 views1 answer
How to store special characters in dart string
Dart
2 votes311 views3 answers
How to disable screen rotation in flutter
Dart
2 votes282 views1 answer
Image fit flutter
Dart