Most voted "dart" questions
Dart is a web-based language developed by Google. The goal of the Dart language is to replace Javascript as the main language of browsers. Programs in this language can be either run on a virtual machine or compiled for Javascript.
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answer81
views6 positional argument(s) expected, but 1 found. Try Adding the Missing FLUTTER
I’m developing a screen that sends information to a Rest C api# However from the following error 6 positional argument(s) expected, but 1 found. Try Adding the Missing Follows code: import…
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answer118
viewsListview is not displayed below a 'Container'
I’m new to the flutter and I’m having a hard time showing a Listview below a Container. In the codex lattice below is displayed only mine Container, and the Listview just doesn’t show up. Obs: no…
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answer32
viewsWhen writing in input the text starts in the middle instead of the beginning
When writing in the input the text starts in the middle instead of the beginning. How do I change it? I already changed the padding but the text stays in the middle. Sample image: Code: Widget…
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answer124
viewsHow to validate fields with Flutter?
I have a screen that needs to validate 2 fields. If one or both receive wrong values, return me one snackbar with the error message. However, I would like to leave the field in red as soon as I…
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answer94
viewsCalculation of age using Dart
I have a field that is for "date of birth" Textformfield and I have a mask to facilitate user typing (dd/mm/yyyy) but I need a validation that, depending on what the user type is not possible to…
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answer38
viewsSplash Screen does not appear in the flutter app
Hi, I’m having trouble showing Splash Screen on my flutter app and would like help. When opening the application it appears, but is only visible for 1 second, even if I put a 3-second timer. This…
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answer1219
viewsHow to check if a date is a working day?
How to check if a date is a working day ? Below is my sample code: void main() { var now = new DateTime.now(); var berlinWallFell = new DateTime.utc(1989, 11, 9); var moonLanding =…
dartasked 5 years, 2 months ago gesser miguel da paixao 57 -
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answer34
viewsA function that dynamically prints all the elements of the list in reverse order [1, 2, 3, 5, 8, 13, 21, 34, 55, 89],
DART FUNCTION TO PRINT ELEMENTS IN REVERSE ORDER IN CASE SHE WOULD BE LIKE THIS 1, 2, 3, 5, 8, 13, 21, 34, 55, 89 89,55, 34, 21, 13, 8, 5, 3, 2, 1 REVERSE
dartasked 4 years, 2 months ago Aprendiz DartPad 17 -
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answer292
viewsFlutter : Listview Builder - Text
Good afternoon, you guys! Could you help me with a question? What am I doing: I created a Listview. inside my body. As you can see I am passing an itemCount: data.length, because I created a List…
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answer50
viewsFlutter - message is only sent if all fields are filled
When I try to send a message without an image, the Mailer shows an error, but if I take the field ..attachments.add(new Fileattachment(_imagemAn,)); the message is sent normally without presenting…