New in Flutter 3.7: use --dart-define-from-file Since Flutter 3.7, we can store all the API keys inside a json file and pass it to a new--dart-define-from-fileflag from the command line. This way, we can do: flutterrun--dart-define-from-file=api-keys.json Then, we can add al...
var json = '[{"group":"A","person":[{"name":"John","age":18},{"name":"Jack","age":21}]},{"group":"B","person":[{"name":"Oliver","age":24}]},{"group":"C","person":null}]'; final data = dataFromJson(json); data.forEach((e) { if (e != null) { List<Str...
How to fix “Converting object to an encodable object failed: ” Instance of ‘Options’ exception in Dart/Flutter? import'package:flutter/cupertino.dart'; classOptions with ChangeNotifier{ String key; String point; bool checked; Options({this.key,this.point,this.checked}); MaptoJson()=>{ '...
Step 1: Get Familiar with Flutter: First things first, you have to completely understand what Flutter is all about. Flutter is an amazing tool that helps developers to make some great apps. It uses a special language called Dart and comes with lots of features that make apps look and work...
We have also seen how to load a PDF document during application initialization and from an URL in detail. Our PDF Viewer control is also available in the platforms Blazor, Flutter, ASP.NET Core, ASP.NET MVC, ASP.NET Web Forms, JavaScript, React, Vue, Xamarin.Forms, UWP, WinForms, WPF...
dependencies:flutter:sdk:flutterurl_launcher:^6.0.3 Copy We can now go ahead and run this on the iOS or Android simulator or device of your choice. Step 3 — Scaffolding the Application Now, openmain.dartin your code editor. Replace everything in this file with with aMaterialAppthat points...
Or you want to play around and run Nanc without tying it to a real backend - with a local database (for now, this role is played by a JSON file or LocalStorage)Thus, in some scenarios, you will not have to write a single line of code to get a CMS for managing any of your cont...
This is the second and final part of a tutorial that teaches you how to create an app like Runkeeper, complete with color-coded maps and badges!
Note that we are also using a package called datasets, also made by HuggingFace, to load a sentiment classification task from IMDb reviews. Let’s begin by loading up the dataset:# Import necessary libraries from datasets import load_dataset from transformers import BertTokenizer, BertForSequence...
Button, className: "ddv-button ddv-load-image", tooltip: "Sources: File, Camera, Scanner", events: { click: "toggleDropdown", }, }; const pcEditViewerUiConfig = { type: Dynamsoft.DDV.Elements.Layout, flexDirection: "column", className: "ddv-edit-viewer-desktop", children: [ { type:...