dart - List Questions - Page 2

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Android - Flutter PopScope is not working whlie using popUntil?

You can try this new version. may be it's useful for you. PopScope( canPop: false, onPopInvoked: (bool didPop) { if (didPop) { return; }...

Tags: android, Flutter, dart

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Flutter Dart C library binding type error after ffi:gen?

Change your Dart callback implementation from: Int32 destroyBluetooth(emetryhub_bluetooth_ctx_t ctx) { return 0 as Int32; } to int destroyBluetooth(emetryhub_bluetooth_ctx_t ctx) { retu...

Tags: c#, Flutter, dart

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Autocomplete Widget Selection Not Working with Keyboard in Flutter App?

Looks like you missed to call the VoidCallback from the TextField Widget, calling it onSubmitting solves the issue. I have forked your code and added the result TextField( controller: textEdit...

Tags: Flutter, dart, autocomplete

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flutter center text inside button?

Elevated button is a fixed component, you can't customise it to your own sizes. (You could just set padding to EdgeInsets.zero in style of elevated button) Better to use a Container and decoration to...

Tags: Flutter, dart

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Is there a HOWTO document on calling a Javascript function from Dart using js_interop?

You should use js package. Add js to pubspec.yaml dependencies: flutter: sdk: flutter js: ^0.6.3 Add function or include your js file in web/index.html function showAlert(message) { ale...

Tags: Javascript, Flutter, dart

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how do I filter individual characters with regex?

Use the deny method, and the following Regex - [|]. FilteringTextInputFormatter.deny(RegExp(r'[|]'))

Tags: regex, Flutter, dart

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how remove innerpadding of textbutton flutter?

As long as the child has fixed size, you can remove padding through making the TextButton to be as big as its child: just set : minimumSize: MaterialStatePropertyAll(Size(50,50)), note: keep padding...

Tags: Flutter, dart, user-interface

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Flutter - How to update a scaffold is body content?

Your page must be a StatefulWidget for this and you must define readPage in the State: class _MyPageState extends State{ Widget readPage = BeforeRead(theme: theme); @override Widget build(BuildCo...

Tags: Flutter, dart

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Flutter - How to write letter by letter in Dart?

Your code printouts simultaneously without awaiting their completion, leading to overlapping outputs use asynchronous execution with awaited delays Future printFancy(String data) async { List samp...

Tags: Flutter, dart, logic

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error when trying to load data from json to DropDownButton Flutter dart?

1. Change the name of your assets from deporte.json to deportes.json this is giving you this error [ERROR:flutter/runtime/dart_vm_initializer.cc(41)] Unhandled Exception: Unable to load asset: "ass...

Tags: Flutter, dart, dropdownbutton

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