scansdk_flutter_plugin 0.0.1 scansdk_flutter_plugin: ^0.0.1 copied to clipboard
A new Flutter plugin.
import 'package:flutter/material.dart';
import 'dart:convert';
import 'package:flutter/services.dart';
import 'package:flutter_full_pdf_viewer/flutter_full_pdf_viewer.dart';
import 'package:scansdk_flutter_plugin/scanner_configure.dart';
import 'package:scansdk_flutter_plugin/scanner_image_pdf.dart';
import 'package:scansdk_flutter_plugin/scansdk_flutter_plugin.dart';
void main() {
runApp(MyApp());
}
class MyApp extends StatelessWidget {
// This widget is the root of your application.
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'ScanApp Flutter Demo',
theme: ThemeData(
// This is the theme of your application.
//
// Try running your application with "flutter run". You'll see the
// application has a blue toolbar. Then, without quitting the app, try
// changing the primarySwatch below to Colors.green and then invoke
// "hot reload" (press "r" in the console where you ran "flutter run",
// or simply save your changes to "hot reload" in a Flutter IDE).
// Notice that the counter didn't reset back to zero; the application
// is not restarted.
primarySwatch: Colors.blue,
),
home: MyHomePage(title: 'ScanApp Flutter Demo'),
);
}
}
class MyHomePage extends StatefulWidget {
MyHomePage({Key key, this.title}) : super(key: key);
// This widget is the home page of your application. It is stateful, meaning
// that it has a State object (defined below) that contains fields that affect
// how it looks.
// This class is the configuration for the state. It holds the values (in this
// case the title) provided by the parent (in this case the App widget) and
// used by the build method of the State. Fields in a Widget subclass are
// always marked "final".
final String title;
@override
_MyHomePageState createState() => _MyHomePageState();
}
class _MyHomePageState extends State<MyHomePage> {
static const platform =
const MethodChannel('scansdk_flutter_plugin');
ScannerImagePdf imagePdf = null;
Future<ScannerImagePdf> _getDocumentScanner() async {
ScannerConfigure scanner = ScannerConfigure();
scanner.scannerViewScreen.automaticButton.fontSize = "18";
scanner.scannerViewScreen.multiplePagesButton.title = "Multiple pages";
scanner.cropScreen.cancelButton.title = "Cancel";
scanner.pageReviewScreen.cropLabel.title = "Crop";
scanner.scannerViewScreen.lightingButton.font = "assets/fonts/robotocondensed-light.ttf";
String str = scanner.toString();
print("Flutter Object --> "+str);
ScannerImagePdf imagePdf = null;
try {
final String result = await platform
.invokeMethod('getDocumentScanner', <String, dynamic>{
'ScanAppConfigure': str,
});
Map userMap = jsonDecode(result);
imagePdf = ScannerImagePdf.fromJson(userMap);
} on PlatformException catch (ex) {
print(ex.message);
} on Exception catch (exp) {
print(exp.toString());
}
setState(() {
this.imagePdf = imagePdf;
});
return imagePdf;
}
Widget _getButtonList(BuildContext context, int position) {
return ElevatedButton(
child: Text(position == 0 ? "Show PDF" : "Show Images"),
onPressed: () => {
// We need to prepare the test PDF, and then we can display the PDF.
Navigator.push(
context,
MaterialPageRoute(
builder: (context) => (position == 0)
? FullPdfViewerScreen(imagePdf.pdfPath)
: FullImageViewerScreen(imagePdf.lstImages)),
)
});
}
@override
Widget build(BuildContext context) {
// This method is rerun every time setState is called, for instance as done
// by the _incrementCounter method above.
//
// The Flutter framework has been optimized to make rerunning build methods
// fast, so that you can just rebuild anything that needs updating rather
// than having to individually change instances of widgets.
return Scaffold(
appBar: AppBar(
// Here we take the value from the MyHomePage object that was created by
// the App.build method, and use it to set our appbar title.
title: Text(widget.title),
),
body: Center(
// Center is a layout widget. It takes a single child and positions it
// in the middle of the parent.
child: Column(
// Column is also a layout widget. It takes a list of children and
// arranges them vertically. By default, it sizes itself to fit its
// children horizontally, and tries to be as tall as its parent.
//
// Invoke "debug painting" (press "p" in the console, choose the
// "Toggle Debug Paint" action from the Flutter Inspector in Android
// Studio, or the "Toggle Debug Paint" command in Visual Studio Code)
// to see the wireframe for each widget.
//
// Column has various properties to control how it sizes itself and
// how it positions its children. Here we use mainAxisAlignment to
// center the children vertically; the main axis here is the vertical
// axis because Columns are vertical (the cross axis would be
// horizontal).
mainAxisAlignment: MainAxisAlignment.center,
children: <Widget>[
((imagePdf == null)
? ElevatedButton(
child: Text('Get PDF And Images'),
onPressed: () => {
// We need to prepare the test PDF, and then we can display the PDF.
_getDocumentScanner().then((str) {
if(str != null){
_getButtonList(context, 0);
}
})
},
)
: (_getButtonList(context, 0))),
SizedBox(height: 20),
((imagePdf != null) ? _getButtonList(context, 1) : Container()),
],
),
), // This trailing comma makes auto-formatting nicer for build methods.
);
}
}
class FullPdfViewerScreen extends StatelessWidget {
final String pdfPath;
FullPdfViewerScreen(this.pdfPath);
@override
Widget build(BuildContext context) {
print(this.pdfPath.toString());
return PDFViewerScaffold(
appBar: AppBar(
title: Text("PDF"),
),
path: pdfPath);
}
}
class FullImageViewerScreen extends StatelessWidget {
final List<String> lstImages;
FullImageViewerScreen(this.lstImages);
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text("Images"),
),
body: Scrollbar(
child: Expanded(
child: ListView.builder(
itemCount: lstImages.length,
padding: EdgeInsets.all(8.0),
itemBuilder: (context, position) {
return Card(
elevation: 1,
child: ListTile(
title: Text(position.toString()),
subtitle: Image.memory(base64Decode(lstImages[position])),
//onTap: ()=> _navigateToPost(context, lstImages[position]),
),
);
},
),
),
),
);
}
}