Designing cross-platform GUI apps with Fyne

Platform Agnostic

© Lead Image © Ion Chiosea, 123RF.com

© Lead Image © Ion Chiosea, 123RF.com

Article from Issue 273/2023
Author(s):

The Fyne toolkit offers a simple way to build native apps that work across multiple platforms. We show you how to build a to-do list app to demonstrate Fyne's power.

One of the biggest challenges in modern app development is the requirement to develop a separate codebase for each platform that you want to support. Fortunately, the Fyne graphical user interface (GUI) toolkit lets you program your app once and then deploy it rapidly to multiple devices.

Fyne is an open source GUI toolkit built for the Go programming language, a popular general-purpose compiled programming language created by Google a little over 10 years ago. Go is frequently used for cloud services and infrastructure projects. However, the Fyne toolkit makes it possible to quickly build native GUIs for desktop and mobile devices. One of a number of GUI toolkits for Go, Fyne aims to be the simplest to use, appealing to both beginners and experienced GUI developers.

Fyne's idiomatic design makes it easy for Go developers to rapidly learn its principles. Fyne allows developers to create their own custom widgets thanks to its rich widget set and extensibility. With graphical elements inspired by Material Design, Fyne will feel familiar to many end users, while remaining open to theming by app developers. Fyne is fully unit tested and supports rigorous test-driven development. Released under the same permissive BSD licence as Go, Fyne is supported by an active development community.

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