imin_printer 0.5.5 
imin_printer: ^0.5.5 copied to clipboard
imin.sgIt is used to print text, pictures, two-dimensional code, bar code and other functions sdk in imin printer using Android system
import 'package:flutter/material.dart';
import 'dart:async';
import 'package:flutter/services.dart';
import 'package:imin_printer/imin_printer.dart';
import 'package:imin_printer/enums.dart';
import 'package:imin_printer/imin_style.dart';
import 'package:imin_printer/column_maker.dart';
import 'package:permission_handler/permission_handler.dart';
import 'package:fluttertoast/fluttertoast.dart';
void main() {
runApp(const MyApp());
}
class MyApp extends StatefulWidget {
const MyApp({super.key});
@override
State<MyApp> createState() => _MyAppState();
}
class _MyAppState extends State<MyApp> {
bool permissionStatus = false;
final iminPrinter = IminPrinter();
@override
void initState() {
super.initState();
getMediaFilePermission();
}
/// 获取媒体文件读写权限
Future<void> getMediaFilePermission() async {
Map<Permission, PermissionStatus> statuses =
await [Permission.manageExternalStorage].request();
if (!mounted) return;
//granted 通过，denied 被拒绝，permanentlyDenied 拒绝且不在提示
if (statuses[Permission.manageExternalStorage]!.isGranted) {
setState(() {
permissionStatus = true;
});
}
setState(() {
permissionStatus = false;
});
}
@override
Widget build(BuildContext context) {
return MaterialApp(
home: Scaffold(
appBar: AppBar(
title: const Text('Imin Printer Example'),
),
body: SingleChildScrollView(
child: Column(
children: [
Padding(
padding: const EdgeInsets.symmetric(horizontal: 20),
child: Row(
mainAxisAlignment: MainAxisAlignment.spaceAround,
children: [
ElevatedButton(
child: const Text('init Printer'),
onPressed: () async {
await iminPrinter.initPrinter();
}),
ElevatedButton(
onPressed: () async {
String? state = await iminPrinter.getPrinterStatus();
Fluttertoast.showToast(
msg: state ?? '',
toastLength: Toast.LENGTH_LONG,
gravity: ToastGravity.BOTTOM, // 消息框弹出的位置
// timeInSecForIos: 1, // 消息框持续的时间（目前的版本只有ios有效）
backgroundColor: Colors.red,
textColor: Colors.white,
fontSize: 16.0);
},
child: const Text('getPrinterStatus')),
]),
),
Padding(
padding: const EdgeInsets.symmetric(horizontal: 20),
child: Row(
mainAxisAlignment: MainAxisAlignment.spaceAround,
children: [
ElevatedButton(
onPressed: () async {
await iminPrinter.printText(
'iMin advocates the core values of "Integrity, Customer First, Invention&Creation, Patience”, using cloud-based technology to help businesses to get access to the Internet and also increases their data base, by providing more solutions so that their business can take a step further. Through their efficiency enhancement, cost improvement, service innovation, and better services for consumers, these aspect will drives the entire industry development.',
style: IminTextStyle(wordWrap: true));
},
child: const Text('Text in word wrap')),
ElevatedButton(
onPressed: () async {
await iminPrinter.printText('居中',
style:
IminTextStyle(align: IminPrintAlign.center));
},
child: const Text('text alignment'))
]),
),
const Divider(),
Padding(
padding: const EdgeInsets.symmetric(horizontal: 20),
child: Row(
mainAxisAlignment: MainAxisAlignment.spaceAround,
children: [
ElevatedButton(
onPressed: () async {
await iminPrinter.printText('测试字体大小',
style: IminTextStyle(fontSize: 25));
},
child: const Text('Text fontSize')),
ElevatedButton(
onPressed: () async {
await iminPrinter.printText('测试打印字体',
style: IminTextStyle(
typeface: IminTypeface.typefaceMonospace));
},
child: const Text('Text typeface'))
],
),
),
Padding(
padding: const EdgeInsets.symmetric(horizontal: 20),
child: Row(
mainAxisAlignment: MainAxisAlignment.spaceAround,
children: [
ElevatedButton(
onPressed: () async {
await iminPrinter.printText('PHOENIX POS',
style: IminTextStyle(
space: 3,
align: IminPrintAlign.center,
fontSize: 28,
typeface: IminTypeface.typefaceDefaultBold
// fontStyle: IminFontStyle.boldItalic
));
await iminPrinter.printText('Looney Tunes Tweety',
style: IminTextStyle(
space: 3,
align: IminPrintAlign.center,
fontSize: 25,
// typeface: IminTypeface.typefaceDefault
fontStyle: IminFontStyle.italic));
},
child: const Text('Text style')),
ElevatedButton(
onPressed: () async {
Uint8List byte =
await _getImageFromAsset('assets/images/logo.jpg');
await iminPrinter.printSingleBitmap(byte);
},
child: const Text('print singleBitmap'))
],
),
),
Padding(
padding: const EdgeInsets.symmetric(horizontal: 20),
child: Row(
mainAxisAlignment: MainAxisAlignment.spaceAround,
children: [
ElevatedButton(
onPressed: () async {
await iminPrinter.printAndLineFeed();
},
child: const Text('print AndLineFeed')),
ElevatedButton(
onPressed: () async {
await iminPrinter.printAndFeedPaper(100);
},
child: const Text('print AndFeedPaper'))
],
),
),
Padding(
padding: const EdgeInsets.symmetric(horizontal: 20),
child: Row(
mainAxisAlignment: MainAxisAlignment.spaceAround,
children: [
ElevatedButton(
onPressed: () async {
await iminPrinter.printText(
'测试打印字体iMin is a service provider who focuses mainly on the field of business intelligence, bringing IoT, AI and cloud service to the business sector. We develop and provide a wide range of intelligent commercial hardware solutions which help businesses to run more cost effectively.');
},
child: const Text('print Text')),
ElevatedButton(
onPressed: () async {
// Uint8List byte =
// await readFileBytes('assets/images/logo.png');
// await iminPrinter.printSingleBitmap(byte,
// pictureStyle: IminPictureStyle(
// alignment: IminPrintAlign.center,
// width: 50,
// height: 20,
// ));
await iminPrinter.printSingleBitmap(
'https://oss-sg.imin.sg/web/iMinPartner2/images/logo.png',
pictureStyle: IminPictureStyle(
alignment: IminPrintAlign.center,
width: 250,
height: 50,
));
},
child: const Text('print singleBitmap in align'))
],
),
),
Padding(
padding: const EdgeInsets.symmetric(horizontal: 20),
child: Row(
mainAxisAlignment: MainAxisAlignment.spaceAround,
children: [
ElevatedButton(
onPressed: () async {
await iminPrinter.printQrCode('https://www.imin.sg',
qrCodeStyle: IminQrCodeStyle(
errorCorrectionLevel:
IminQrcodeCorrectionLevel.levelH,
qrSize: 4,
align: IminPrintAlign.left));
},
child: const Text('print QrCode')),
ElevatedButton(
onPressed: () async {
await iminPrinter.printColumnsText(cols: [
ColumnMaker(
text: '1',
width: 1,
fontSize: 26,
align: IminPrintAlign.center),
ColumnMaker(
text: 'iMin',
width: 2,
fontSize: 26,
align: IminPrintAlign.left),
ColumnMaker(
text: 'iMin',
width: 1,
fontSize: 26,
align: IminPrintAlign.right)
]);
},
child: const Text('print ColumnsText'))
],
),
),
const Divider(),
Padding(
padding: const EdgeInsets.symmetric(horizontal: 20),
child: Row(
mainAxisAlignment: MainAxisAlignment.spaceAround,
children: [
ElevatedButton(
onPressed: () async {
await iminPrinter.printBarCode(
IminBarcodeType.jan13, "0123456789012",
style: IminBarCodeStyle(
align: IminPrintAlign.center,
position: IminBarcodeTextPos.textAbove));
},
child: const Text('print barCode')),
ElevatedButton(
onPressed: () async {
// Uint8List byte1 =
// await _getImageFromAsset('assets/images/logo.png');
// Uint8List byte2 =
// await _getImageFromAsset('assets/images/logo.png');
// await iminPrinter.printMultiBitmap([byte1, byte2],
// pictureStyle: IminPictureStyle(
// alignment: IminPrintAlign.left));
await iminPrinter.printMultiBitmap([
'https://oss-sg.imin.sg/web/iMinPartner2/images/logo.png',
'https://oss-sg.imin.sg/web/iMinPartner2/images/logo.png'
],
pictureStyle: IminPictureStyle(
alignment: IminPrintAlign.center,
width: 250,
height: 30,
));
},
child: const Text('print multiBitmap'))
],
),
),
Padding(
padding: const EdgeInsets.symmetric(horizontal: 20),
child: Row(
mainAxisAlignment: MainAxisAlignment.spaceAround,
children: [
ElevatedButton(
onPressed: () async {
await iminPrinter.printAntiWhiteText(
'iMin is a service provider who focuses mainly on the field of business intelligence, bringing IoT, AI and cloud service to the business sector. We develop and provide a wide range of intelligent commercial hardware solutions which help businesses to run more cost effectively.');
},
child: const Text('print antiWhiteText')),
ElevatedButton(
onPressed: () async {
await iminPrinter.printDoubleQR(
qrCode1: IminDoubleQRCodeStyle(
text: 'www.imin.sg',
),
qrCode2: IminDoubleQRCodeStyle(
text: 'www.google.com',
),
doubleQRSize: 5);
},
child: const Text('print DoubleQR'))
]),
),
Padding(
padding: const EdgeInsets.symmetric(horizontal: 20),
child: Row(
mainAxisAlignment: MainAxisAlignment.spaceAround,
children: [
ElevatedButton(
onPressed: () async {
await iminPrinter.partialCut();
},
child: const Text('partialCut')),
]),
),
],
)),
),
);
}
}
Future<Uint8List> readFileBytes(String path) async {
ByteData fileData = await rootBundle.load(path);
Uint8List fileUnit8List = fileData.buffer
.asUint8List(fileData.offsetInBytes, fileData.lengthInBytes);
return fileUnit8List;
}
Future<Uint8List> _getImageFromAsset(String iconPath) async {
return await readFileBytes(iconPath);
}Metadata
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pub points
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popularity
Publisher
Metadata
It is used to print text, pictures, two-dimensional code, bar code and other functions sdk in imin printer using Android system
Repository (GitHub)
View/report issues
License
unknown (license)
Dependencies
flutter, logger, plugin_platform_interface
