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aloisdeniel/flutter_device_preview

This system is a multi-package Flutter library designed to simulate and preview mobile and desktop device rendering within applications and the DevTools environment. It provides a `DevicePreview` widget that allows developers to adjust device characteristics, system settings, and accessibility options in real-time. The ecosystem includes plugins for capturing screenshots and integrating with DevTools, alongside a modular tool panel for configuring device models and custom dimensions.

47.8

Weak · 1 August 2026

9.7k

lines of production code

Dart

primary language

1

bus factor · 36 authors in all

3

measurements over time

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How it got here

2019 · Device Preview package launch and platform expansion

This period marks the initial release of the Device Preview package, introducing a tool for simulating various mobile device characteristics within Flutter applications. The work involved restructuring the repository into a multi-package workspace and updating example applications to support modern Flutter versions and cross-platform targets including Android, iOS, macOS, and Web.

9 changes

2020–2022 · Device preview expansion and DevTools integration

The project significantly expanded the device preview capabilities by introducing persistent storage, modular UI components, and custom device configuration. Concurrently, new packages were created to integrate device preview functionality into DevTools and support cross-platform native builds for the example application.

12 changes

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About this page

  • The description of this project is derived from its own commit history, not from its README.
  • The score is its highest published measurement, taken on 1 August 2026 at a pinned commit. It is not a live figure and does not change until the project is measured again.
  • Measured at commit 70bd9436f7 — the exact code this score is about.
  • Scored under rubric rubric-2026.08.18. Score the same commit under that rubric and you get the same number.
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