Aug 12, 2018 · It does not appear that you can write to a file in assets during runtime (see this post for reference). This page describes how to use path_provider to to find the local paths and read/write local files.

Sep 15, 2023 · This short, straight-to-the-point article shows you how to read local JSON files in Flutter. We’ll make a tiny Flutter app that loads and displays some data from a JSON file called sample.json. Screenshot: Here’s sample.json: The code which is used to fetch data from the JSON file (see the full code below): final String response = .

Apr 10, 2025 · This guide looks into ways of using JSON with Flutter. It covers which JSON solution to use in different scenarios, and why.

Jul 19, 2020 · This is how I read and write the file: final directory = await getApplicationDocumentsDirectory(); return directory.path; final path = await _localPath; return File('$path/playerData.json'); final file = await _localFile; return file.writeAsString(playerList.toJson().toString()); try { final file = await _localFile;

Jan 21, 2022 · What you can do is write all the data in the Json to a file in one of the device's directories and then modify that file when needed or use a database to store all the data.

Apr 8, 2023 · In Flutter, you can easily load text assets such as JSON files, configuration files, or plain text files into your app's memory at runtime. This allows you to access the data contained in these files and use it to populate your app's UI or perform other operations.

Mar 27, 2023 · In Flutter, you can easily load text assets such as JSON files, configuration files, or plain text files into your app's memory at runtime. This allows you to access the data contained in these files and use it to populate your app's UI or perform other operations.

Aug 16, 2023 · To fetch JSON data in Flutter, you’ll want to use the http package. Here’s a snippet to get you started: Serializing JSON means converting JSON into Dart objects, which makes data...

Feb 4, 2024 · In this comprehensive guide, we will explore how to read a JSON file from assets in a Flutter project. You’ll find detailed explanations, practical examples, and best practices to make...

Jul 21, 2023 · In this comprehensive guide, we explored the process of reading a JSON file from assets in Flutter. We learned about the importance of JSON in app development, the anatomy of a JSON file, and the step-by-step process of reading and accessing JSON data in Flutter.