Awesome Open Source
Awesome Open Source

Device Preview for Flutter

Approximate how your app looks and performs on another device.

Device Preview for Flutter

Main features

  • Preview any device from any device
  • Change the device orientation
  • Dynamic system configuration (language, dark mode, text scaling factor, ...)
  • Freeform device with adjustable resolution and safe areas
  • Keep the application state
  • Plugin system (Screenshot, File explorer, ...)
  • Customizable plugins

Quickstart

Wrap your app's root widget in a DevicePreview and inject the dedicated builder and locale into your app.

Make sure to provide locale and builder to your WidgetsApp. If not defined, MediaQuery won't be simulated for the selected device and selected locale won't be applied.

import 'package:device_preview/device_preview.dart';

void main() => runApp(
  DevicePreview(
    enabled: !kReleaseMode,
    builder: (context) => MyApp(), // Wrap your app
  ),
);

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      locale: DevicePreview.locale(context), // Add the locale here
      builder: DevicePreview.appBuilder, // Add the builder here
      home: HomePage(),
    );
  }
}

Documentation

Open the website

Demo

Open the demo

Limitations

Think of Device Preview as a first-order approximation of how your app looks and feels on a mobile device. With Device Mode you don't actually run your code on a mobile device. You simulate the mobile user experience from your laptop, desktop or tablet.

!> There are some aspects of mobile devices that Device Preview will never be able to simulate. When in doubt, your best bet is to actually run your app on a real device.


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