zsdk 1.0.0+2 
zsdk: ^1.0.0+2 copied to clipboard
A Flutter plugin for Zebra Link OS SDK
import 'package:file_picker/file_picker.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:fluttertoast/fluttertoast.dart';
import 'package:zsdk/zsdk.dart' as Printer;
import 'dart:io';
void main() => runApp(MyApp());
const String btnPrintPdfOverTCPIP = 'btnPrintPdfOverTCPIP';
const String btnPrintZplOverTCPIP = 'btnPrintZplOverTCPIP';
class MyApp extends StatefulWidget {
Printer.ZSDK zsdk = Printer.ZSDK();
@override
_MyAppState createState() => _MyAppState();
}
enum PrintStatus {
PRINTING,
SUCCESS,
ERROR,
NONE,
}
enum CheckingStatus {
CHECKING,
SUCCESS,
ERROR,
NONE,
}
class _MyAppState extends State<MyApp> {
final addressIpController = TextEditingController();
final addressPortController = TextEditingController();
final pathController = TextEditingController();
final widthController = TextEditingController();
final heightController = TextEditingController();
final dpiController = TextEditingController();
Printer.Orientation printerOrientation = Printer.Orientation.LANDSCAPE;
String message;
String statusMessage;
PrintStatus printStatus = PrintStatus.NONE;
CheckingStatus checkingStatus = CheckingStatus.NONE;
String filePath;
String zplData;
@override
void initState() {
super.initState();
// addressIpController.text = "10.0.1.100";
}
@override
Widget build(BuildContext context) {
return MaterialApp(
home: Scaffold(
backgroundColor: Colors.grey.shade300,
appBar: AppBar(
title: const Text('Zebra SDK Plugin example app'),
),
body: Container(
padding: EdgeInsets.all(8),
child: Scrollbar(
child: SingleChildScrollView(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: <Widget>[
Text('Print file over TCP/IP', style: TextStyle(fontSize: 18),),
Divider(color: Colors.transparent,),
Card(
elevation: 4,
margin: EdgeInsets.all(8),
child: Container(
padding: EdgeInsets.all(8),
child: Column(
children: <Widget>[
Text('File to print', style: TextStyle(fontSize: 16),),
TextField(
controller: pathController,
decoration: InputDecoration(
labelText: "File path"
),
),
Divider(color: Colors.transparent,),
Row(
children: <Widget>[
Expanded(
child: RaisedButton(
child: Text("Pick .zpl file".toUpperCase()),
color: Colors.green,
textColor: Colors.white,
onPressed: () async {
try{
filePath = await FilePicker.getFilePath(type: FileType.ANY);
File zplFile = File(filePath);
if(await zplFile.exists()){
zplData = await zplFile.readAsString();
}
setState(() {
pathController.text = filePath;
});
} catch(e){
Fluttertoast.showToast(msg: e.toString());
}
},
),
),
VerticalDivider(color: Colors.transparent,),
Expanded(
child: RaisedButton(
child: Text("Pick .pdf file".toUpperCase()),
color: Colors.green,
textColor: Colors.white,
onPressed: () async {
try{
filePath = await FilePicker.getFilePath(type: FileType.ANY);
setState(() {
pathController.text = filePath;
});
} catch(e){
Fluttertoast.showToast(msg: e.toString());
}
},
),
),
],
)
],
),
),
),
Card(
elevation: 4,
margin: EdgeInsets.all(8),
child: Container(
padding: EdgeInsets.all(8),
child: Column(
children: <Widget>[
Text('Printer address', style: TextStyle(fontSize: 16),),
TextField(
controller: addressIpController,
decoration: InputDecoration(
labelText: "Printer IP address"
),
),
TextField(
controller: addressPortController,
decoration: InputDecoration(
labelText: "Printer port (defaults to 9100)"
),
),
Divider(color: Colors.transparent,),
Visibility(
child: Column(
children: <Widget>[
Text("$statusMessage",
textAlign: TextAlign.center,
style: TextStyle(fontSize: 16, fontWeight: FontWeight.bold, color: getCheckStatusColor(checkingStatus)),
),
Divider(color: Colors.transparent,),
],
),
visible: checkingStatus != CheckingStatus.NONE,
),
RaisedButton(
child: Text("Check printer status".toUpperCase()),
color: Colors.orange,
textColor: Colors.white,
onPressed: checkingStatus == CheckingStatus.CHECKING ? null : () async {
try{
setState(() {
statusMessage = "Checking printer status...";
checkingStatus = CheckingStatus.CHECKING;
});
widget.zsdk.checkPrinterStatusOverTCPIP(
address: addressIpController.text,
port: int.tryParse(addressPortController.text),
).then((value){
setState(() {
checkingStatus = CheckingStatus.SUCCESS;
statusMessage = "$value";
});
}, onError: (error, stacktrace){
try{
throw error;
} on PlatformException catch(e) {
Printer.PrinterResponse printerResponse;
try{
printerResponse = Printer.PrinterResponse.fromMap(e.details);
statusMessage = "${printerResponse?.message} ${printerResponse?.errorCode} ${printerResponse?.statusInfo?.status} ${printerResponse?.statusInfo?.cause}";
}catch(e){
print(e);
statusMessage = "${e?.toString()}";
}
} on MissingPluginException catch(e) {
statusMessage = "${e?.message}";
} catch (e){
statusMessage = "${e?.toString()}";
}
setState(() {
checkingStatus = CheckingStatus.ERROR;
});
});
} catch(e){
Fluttertoast.showToast(msg: e.toString());
}
},
)
],
),
),
),
Card(
elevation: 4,
margin: EdgeInsets.all(8),
child: Container(
padding: EdgeInsets.all(8),
child: Column(
children: <Widget>[
Text('Print configurations', style: TextStyle(fontSize: 16),),
TextField(
controller: widthController,
keyboardType: TextInputType.numberWithOptions(decimal: true),
decoration: InputDecoration(
labelText: "Paper width in cm (defaults to 15.20 cm)"
),
),
TextField(
controller: heightController,
keyboardType: TextInputType.numberWithOptions(decimal: true),
decoration: InputDecoration(
labelText: "Paper height in cm (defaults to 7.00 cm)"
),
),
TextField(
controller: dpiController,
keyboardType: TextInputType.numberWithOptions(decimal: true),
decoration: InputDecoration(
labelText: "Printer density per inch (defaults to 203 dpi)"
),
),
DropdownButtonFormField<Printer.Orientation>(
items: [
DropdownMenuItem(child: Text("Portrait"), value: Printer.Orientation.PORTRAIT,),
DropdownMenuItem(child: Text("Landscape"), value: Printer.Orientation.LANDSCAPE,)
],
value: printerOrientation,
onChanged: (value) => setState(() => printerOrientation = value),
decoration: InputDecoration(
labelText: "Print orientation"
),
),
],
),
),
),
Divider(color: Colors.transparent,),
Visibility(
child: Column(
children: <Widget>[
Text("$message",
textAlign: TextAlign.center,
style: TextStyle(fontSize: 16, fontWeight: FontWeight.bold, color: getPrintStatusColor(printStatus)),
),
Divider(color: Colors.transparent,),
],
),
visible: printStatus != PrintStatus.NONE,
),
Row(
children: <Widget>[
Expanded(
child: RaisedButton(
child: Text("Print zpl".toUpperCase()),
color: Theme.of(context).accentColor,
textColor: Colors.white,
onPressed: printStatus == PrintStatus.PRINTING ? null : () => onClick(btnPrintZplOverTCPIP),
),
),
VerticalDivider(color: Colors.transparent,),
Expanded(
child: RaisedButton(
child: Text("Print pdf".toUpperCase()),
color: Theme.of(context).accentColor,
textColor: Colors.white,
onPressed: printStatus == PrintStatus.PRINTING ? null : () => onClick(btnPrintPdfOverTCPIP),
),
),
],
),
Divider(color: Colors.transparent, height: 100,),
],
),
)
),
),
),
);
}
Color getPrintStatusColor(PrintStatus printStatus){
switch(printStatus){
case PrintStatus.PRINTING: return Colors.blue;
case PrintStatus.SUCCESS: return Colors.green;
case PrintStatus.ERROR: return Colors.red;
default: return Colors.black;
}
}
Color getCheckStatusColor(CheckingStatus checkingStatus){
switch(checkingStatus){
case CheckingStatus.CHECKING: return Colors.blue;
case CheckingStatus.SUCCESS: return Colors.green;
case CheckingStatus.ERROR: return Colors.red;
default: return Colors.black;
}
}
onClick(String id) {
try{
switch(id){
case btnPrintPdfOverTCPIP:
if(Platform.isIOS) throw Exception("Not implemented for iOS");
if(pathController.text == null || !pathController.text.endsWith(".pdf"))
throw Exception("Make sure you properly write the path or selected a proper pdf file");
setState(() {
message = "Print job started...";
printStatus = PrintStatus.PRINTING;
});
widget.zsdk.printPdfFileOverTCPIP(
filePath: pathController.text,
address: addressIpController.text,
port: int.tryParse(addressPortController.text),
printerConf: Printer.PrinterConf(
cmWidth: double.tryParse(widthController.text),
cmHeight: double.tryParse(heightController.text),
dpi: double.tryParse(dpiController.text),
orientation: printerOrientation,
)
)
.then((value){
setState(() {
printStatus = PrintStatus.SUCCESS;
message = "$value";
});
}, onError: (error, stacktrace){
try{
throw error;
} on PlatformException catch(e) {
Printer.PrinterResponse printerResponse;
try{
printerResponse = Printer.PrinterResponse.fromMap(e.details);
message = "${printerResponse?.message} ${printerResponse?.errorCode} ${printerResponse?.statusInfo?.status} ${printerResponse?.statusInfo?.cause}";
}catch(e){
print(e);
message = "${e?.toString()}";
}
} on MissingPluginException catch(e) {
message = "${e?.message}";
} catch (e){
message = "${e?.toString()}";
}
setState(() {
printStatus = PrintStatus.ERROR;
});
});
break;
case btnPrintZplOverTCPIP:
if(pathController.text == null || !pathController.text.endsWith(".zpl"))
throw Exception("Make sure you properly write the path or selected a proper zpl file");
if(zplData == null || zplData.isEmpty)
throw Exception("Make sure you properly write the path or selected a proper zpl file");
setState(() {
message = "Print job started...";
printStatus = PrintStatus.PRINTING;
});
widget.zsdk.printZplDataOverTCPIP(
data: zplData,
address: addressIpController.text,
port: int.tryParse(addressPortController.text),
printerConf: Printer.PrinterConf(
cmWidth: double.tryParse(widthController.text),
cmHeight: double.tryParse(heightController.text),
dpi: double.tryParse(dpiController.text),
orientation: printerOrientation,
)
)
.then((value){
setState(() {
printStatus = PrintStatus.SUCCESS;
message = "$value";
});
}, onError: (error, stacktrace){
try{
throw error;
} on PlatformException catch(e) {
Printer.PrinterResponse printerResponse;
try{
printerResponse = Printer.PrinterResponse.fromMap(e.details);
message = "${printerResponse?.message} ${printerResponse?.errorCode} ${printerResponse?.statusInfo?.status} ${printerResponse?.statusInfo?.cause}";
}catch(e){
print(e);
message = "${e?.toString()}";
}
} on MissingPluginException catch(e) {
message = "${e?.message}";
} catch (e){
message = "${e?.toString()}";
}
setState(() {
printStatus = PrintStatus.ERROR;
});
});
break;
}
}catch(e){
print(e);
Fluttertoast.showToast(msg: "${e?.toString()}");
}
}
}Metadata
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Metadata
A Flutter plugin for Zebra Link OS SDK
License
unknown (LICENSE)
