nmelone/flutter_thingsboard_app
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Add flutter 3+ support. Update dependencies. Fix code style and format issues.

Browse Source
This commit is contained in:
Igor Kulikov
2022-08-12 13:55:27 +03:00
parent 1a07bcd7a0
commit 944c36ce7b
94 changed files with 3167 additions and 3173 deletions
Download Patch File Download Diff File Expand all files Collapse all files

99
lib/utils/ui/qr_code_scanner.dart
View File

@@ -2,22 +2,18 @@ import 'dart:io';
import 'dart:async';
import 'package:flutter/material.dart';
import 'package:flutter/widgets.dart';
import 'package:qr_code_scanner/qr_code_scanner.dart';
import 'package:thingsboard_app/core/context/tb_context.dart';
import 'package:thingsboard_app/core/context/tb_context_widget.dart';
class QrCodeScannerPage extends TbPageWidget {
QrCodeScannerPage(TbContext tbContext) : super(tbContext);
@override
_QrCodeScannerPageState createState() => _QrCodeScannerPageState();
}
class _QrCodeScannerPageState extends TbPageState<QrCodeScannerPage> {
Timer? simulatedQrTimer;
QRViewController? controller;
final GlobalKey qrKey = GlobalKey(debugLabel: 'QR');
@@ -48,64 +44,63 @@ class _QrCodeScannerPageState extends TbPageState<QrCodeScannerPage> {
@override
Widget build(BuildContext context) {
return Scaffold(
body: Stack(
children: [
_buildQrView(context),
Positioned(
body: Stack(
children: [
_buildQrView(context),
Positioned(
bottom: 0,
left: 0,
right: 0,
height: kToolbarHeight,
child: Center(child: Text('Scan a code', style: TextStyle(color: Colors.white, fontSize: 20)))
child: Center(
child: Text('Scan a code',
style: TextStyle(color: Colors.white, fontSize: 20)))),
Positioned(
child: AppBar(
backgroundColor: Colors.transparent,
foregroundColor: Colors.white,
iconTheme: IconThemeData(color: Colors.white),
elevation: 0,
actions: <Widget>[
IconButton(
icon: FutureBuilder(
future: controller?.getFlashStatus(),
builder: (context, snapshot) {
return Icon(snapshot.data == false
? Icons.flash_on
: Icons.flash_off);
}),
onPressed: () async {
await controller?.toggleFlash();
setState(() {});
},
tooltip: 'Toggle flash',
),
IconButton(
icon: FutureBuilder(
future: controller?.getCameraInfo(),
builder: (context, snapshot) {
return Icon(snapshot.data == CameraFacing.front
? Icons.camera_rear
: Icons.camera_front);
}),
onPressed: () async {
await controller?.flipCamera();
setState(() {});
},
tooltip: 'Toggle camera',
),
],
),
Positioned(
child:
AppBar(
backgroundColor: Colors.transparent,
foregroundColor: Colors.white,
iconTheme: IconThemeData(
color: Colors.white
),
elevation: 0,
actions: <Widget>[
IconButton(
icon: FutureBuilder(
future: controller?.getFlashStatus(),
builder: (context, snapshot) {
return Icon(snapshot.data == false ? Icons.flash_on : Icons.flash_off);
}
),
onPressed: () async {
await controller?.toggleFlash();
setState(() {});
},
tooltip: 'Toggle flash',
),
IconButton(
icon: FutureBuilder(
future: controller?.getCameraInfo(),
builder: (context, snapshot) {
return Icon(snapshot.data == CameraFacing.front ? Icons.camera_rear : Icons.camera_front);
}
),
onPressed: () async {
await controller?.flipCamera();
setState(() {});
},
tooltip: 'Toggle camera',
),
],
),
)
],
)
);
)
],
));
}
Widget _buildQrView(BuildContext context) {
// For this example we check how width or tall the device is and change the scanArea and overlay accordingly.
var scanArea = (MediaQuery.of(context).size.width < 400 ||
MediaQuery.of(context).size.height < 400)
MediaQuery.of(context).size.height < 400)
? 150.0
: 300.0;
// To ensure the Scanner view is properly sizes after rotation