Add files via upload

barcode.dart

@@ -0,0 +1,95 @@
+import 'dart:async';
+import 'dart:io';
+import 'package:barcode_scan/barcode_scan.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
+import 'package:image_picker/image_picker.dart';
+
+void main() {
+  runApp(new MyApp());
+}
+
+class MyApp extends StatefulWidget {
+  @override
+  _MyAppState createState() => new _MyAppState();
+}
+
+class _MyAppState extends State<MyApp> {
+  String barcode = "";
+
+  @override
+  initState() {
+    super.initState();
+  }
+
+  File galleryFile;
+
+  imageSelectorGallery() async {
+    galleryFile = await ImagePicker.pickImage(
+      source: ImageSource.gallery,
+// maxHeight: 50.0,
+// maxWidth: 50.0,
+    );
+    print("You selected gallery image : " + galleryFile.path);
+    setState(() {});
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return new MaterialApp(
+      home: new Scaffold(
+          appBar: new AppBar(
+            title: new Text('Scan Barcode'),
+          ),
+          body: new Center(
+            child: new Column(
+              children: <Widget>[
+                new Container(
+                  child: new RaisedButton(
+                      onPressed: barcodeScanning, child: new Text("Capture image")),
+                  padding: const EdgeInsets.all(8.0),
+                ),
+                new Padding(
+                  padding: const EdgeInsets.all(8.0),
+                ),
+                new Text("Barcode Number after Scan : " + barcode),
+                // displayImage(),
+              ],
+            ),
+          )),
+    );
+  }
+
+  Widget displayImage() {
+    return new SizedBox(
+      height: 300.0,
+      width: 400.0,
+      child: galleryFile == null
+          ? new Text('Sorry nothing to display')
+          : new Image.file(galleryFile),
+    );
+  }
+
+// Method for scanning barcode....
+  Future barcodeScanning() async {
+//imageSelectorGallery();
+
+    try {
+      String barcode = await BarcodeScanner.scan();
+      setState(() => this.barcode = barcode);
+    } on PlatformException catch (e) {
+      if (e.code == BarcodeScanner.CameraAccessDenied) {
+        setState(() {
+          this.barcode = 'No camera permission!';
+        });
+      } else {
+        setState(() => this.barcode = 'Unknown error: $e');
+      }
+    } on FormatException {
+      setState(() => this.barcode =
+          'Nothing captured.');
+    } catch (e) {
+      setState(() => this.barcode = 'Unknown error: $e');
+    }
+  }
+}