universal_ble/example/lib/home/widgets/scanned_devices_placeholder_widget.dart

import 'package:flutter/material.dart';

class ScannedDevicesPlaceholderWidget extends StatelessWidget {
  final Function() onTap;
  const ScannedDevicesPlaceholderWidget({super.key, required this.onTap});

  @override
  Widget build(BuildContext context) {
    final theme = Theme.of(context);
    final colorScheme = theme.colorScheme;

    return Center(
      child: SingleChildScrollView(
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: [
            InkWell(
              onTap: onTap,
              child: Container(
                padding: const EdgeInsets.all(32),
                decoration: BoxDecoration(
                  color: colorScheme.primaryContainer.withValues(alpha: 0.3),
                  shape: BoxShape.circle,
                ),
                child: Icon(
                  Icons.bluetooth_searching,
                  size: 80,
                  color: colorScheme.primary.withValues(alpha: 0.6),
                ),
              ),
            ),
            const SizedBox(height: 24),
            Text(
              'No Devices Found',
              style: TextStyle(
                color: colorScheme.onSurface,
                fontSize: 24,
                fontWeight: FontWeight.bold,
              ),
            ),
            const SizedBox(height: 8),
            Padding(
              padding: const EdgeInsets.symmetric(horizontal: 48),
              child: Text(
                'Tap Scan button to discover nearby Bluetooth devices',
                textAlign: TextAlign.center,
                style: TextStyle(
                  color: colorScheme.onSurface.withValues(alpha: 0.6),
                  fontSize: 14,
                ),
              ),
            ),
          ],
        ),
      ),
    );
  }
}