63 lines
1.6 KiB
Dart
63 lines
1.6 KiB
Dart
import 'package:flutter/material.dart';
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class AutocompleteTextField extends StatefulWidget {
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final IconData leadingIcon;
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final String label;
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const AutocompleteTextField({
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Key? key,
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required this.leadingIcon,
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required this.label,
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}) : super(key: key);
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@override
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State<AutocompleteTextField> createState() => _AutocompleteTextFieldState();
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}
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class _AutocompleteTextFieldState extends State<AutocompleteTextField> {
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final _controller = TextEditingController();
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final _overlayController = OverlayPortalController();
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@override
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Widget build(BuildContext context) {
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return Stack(
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children: [
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TextFormField(
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controller: _controller,
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onChanged: (value) {
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if (value.isNotEmpty) {
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_overlayController.show();
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} else {
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_overlayController.hide();
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}
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},
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decoration: InputDecoration(
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prefixIcon: Icon(widget.leadingIcon),
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border: const OutlineInputBorder(
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borderRadius: BorderRadius.all(
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Radius.circular(10),
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),
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),
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labelText: widget.label,
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),
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),
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OverlayPortal(
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controller: _overlayController,
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overlayChildBuilder: (context) => Positioned(
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top: 0,
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left: 0,
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child: Container(
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width: 100,
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height: 100,
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decoration: BoxDecoration(
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borderRadius: BorderRadius.circular(8),
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color: Colors.grey,
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),
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),
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),
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),
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],
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);
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}
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}
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