DISPLAY_EN.md

Display Module

Control secondary display on iMin POS devices.

Installation

Add to your pubspec.yaml:

dependencies:
  imin_hardware_plugin: ^1.0.0

Then run:

flutter pub get

Import

import 'package:imin_hardware_plugin/imin_hardware_plugin.dart';

The plugin exports IminDisplay class for display control.

Features

• Enable/disable secondary display
• Show text content
• Display images
• Play videos
• Clear display

API Reference

Check Availability

bool available = await IminDisplay.isAvailable();

Enable Display

bool success = await IminDisplay.enable();

Disable Display

await IminDisplay.disable();

Show Text

await IminDisplay.showText('Hello from Flutter!');

Show Image

await IminDisplay.showImage('assets/images/logo.png');

Play Video

await IminDisplay.playVideo('assets/videos/promo.mp4');

Clear Display

await IminDisplay.clear();

Example

import 'package:imin_hardware_plugin/imin_hardware_plugin.dart';

class DisplayExample extends StatefulWidget {
  @override
  _DisplayExampleState createState() => _DisplayExampleState();
}

class _DisplayExampleState extends State<DisplayExample> {
  bool _isAvailable = false;
  bool _isEnabled = false;

  @override
  void initState() {
    super.initState();
    _checkDisplay();
  }

  Future<void> _checkDisplay() async {
    final available = await IminDisplay.isAvailable();
    setState(() => _isAvailable = available);
  }

  Future<void> _toggleDisplay() async {
    if (_isEnabled) {
      await IminDisplay.disable();
      setState(() => _isEnabled = false);
    } else {
      final success = await IminDisplay.enable();
      setState(() => _isEnabled = success);
    }
  }

  Future<void> _showContent() async {
    await IminDisplay.showText('Welcome!');
    await Future.delayed(Duration(seconds: 2));
    await IminDisplay.showImage('assets/images/logo.png');
  }

  @override
  Widget build(BuildContext context) {
    return Column(
      children: [
        Text('Display Available: $_isAvailable'),
        ElevatedButton(
          onPressed: _isAvailable ? _toggleDisplay : null,
          child: Text(_isEnabled ? 'Disable' : 'Enable'),
        ),
        ElevatedButton(
          onPressed: _isEnabled ? _showContent : null,
          child: Text('Show Content'),
        ),
      ],
    );
  }
}

Notes

• Secondary display must be enabled before showing content
• Supported image formats: PNG, JPG
• Supported video formats: MP4
• Assets must be declared in pubspec.yaml

Supported Devices

iMin D4, M2-Pro, Swan, Swift series with secondary display