135 lines
4.6 KiB
Dart
135 lines
4.6 KiB
Dart
import 'dart:async';
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import 'package:flutter_bluetooth_serial/flutter_bluetooth_serial.dart';
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import 'package:fluttertoast/fluttertoast.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter_provisioning_for_iot/widgets/bluetooth_discovery.dart';
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import 'package:flutter_provisioning_for_iot/objects/cloud_service_api.dart';
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import 'package:flutter_provisioning_for_iot/widgets/switch_widget.dart';
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class BluetoothScreen extends StatefulWidget {
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const BluetoothScreen({super.key});
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@override
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State<BluetoothScreen> createState() => _BluetoothScreen();
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}
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class _BluetoothScreen extends State<BluetoothScreen> {
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final textFieldValueHolder = TextEditingController();
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late CloudServiceAPI cloudServiceAPI = CloudServiceAPI();
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late List<BluetoothDiscoveryResult> results =
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List<BluetoothDiscoveryResult>.empty(growable: true);
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late ButtonStyle buttonStyle = ElevatedButton.styleFrom(
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foregroundColor: Colors.black,
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backgroundColor: const Color(0xFFFDE100), // Text Color (Foreground color)
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);
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late String inputName = "";
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late bool initScan = true;
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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appBar: AppBar(
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title: const Text("Bluetooth Devices"),
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),
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body: RefreshIndicator(
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onRefresh: () {
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debugPrint("refreshed");
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return Future(() => null);
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},
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child: SingleChildScrollView(
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physics: const AlwaysScrollableScrollPhysics(),
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//child: Padding(
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//padding: const EdgeInsets.symmetric(horizontal: 10, vertical: 10),
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child: Column(
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: [
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Container(
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padding:
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const EdgeInsets.symmetric(horizontal: 10, vertical: 10),
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decoration: const BoxDecoration(
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border: Border(
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bottom: BorderSide(width: 1.5, color: Colors.grey),
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),
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),
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child: Column(
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children: [
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TextField(
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controller: textFieldValueHolder,
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decoration: const InputDecoration(
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border: OutlineInputBorder(),
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hintText: 'Enter the name of your new device',
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),
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),
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SizedBox(
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width: double.infinity,
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child: ElevatedButton(
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onPressed: () {
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var textFieldValue =
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textFieldValueHolder.value.toString();
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checkNameAvailability(textFieldValue);
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setState(() {
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inputName = textFieldValue;
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});
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},
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style: buttonStyle,
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child: const Text("check name"),
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),
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),
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],
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),
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),
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Container(
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padding:
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const EdgeInsets.symmetric(horizontal: 10, vertical: 10),
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decoration: const BoxDecoration(
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border: Border(
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bottom: BorderSide(width: 1.5, color: Colors.grey),
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),
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),
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child: Row(children: const [
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Text(
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"Toggle Scan",
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style: TextStyle(fontWeight: FontWeight.bold),
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),
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Expanded(child: Text("")),
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SwitchWidget(),
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]),
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),
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BluetoothDiscovery(start: initScan, deviceID: inputName),
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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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Future<void> checkNameAvailability(String input) async {
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await cloudServiceAPI.loadConfig();
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List<dynamic> devices = await cloudServiceAPI.getDevices();
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for (Map<String, dynamic> selected in devices) {
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if (selected["id"] == input) {
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await showNameAvailabilityStatus(false);
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return;
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}
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}
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await showNameAvailabilityStatus(true);
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}
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Future<void> showNameAvailabilityStatus(bool status) async {
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String statusText = status
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? "die eingegebene ID ist verfügbar"
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: "die eingegebene ID ist nicht verfügbar";
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Fluttertoast.showToast(
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msg: statusText,
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toastLength: Toast.LENGTH_SHORT,
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gravity: ToastGravity.BOTTOM,
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timeInSecForIosWeb: 2,
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backgroundColor: Colors.grey[200],
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textColor: Colors.black,
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fontSize: 16.0);
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}
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}
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