fix profile

lib/pages/widgets/barcode_scanner.dart

@@ -0,0 +1,18 @@
+import 'package:barcode_scan/barcode_scan.dart';
+
+Future<String> scanBarcode() async {
+  try {
+    String barcode = await BarcodeScanner.scan();
+    if (barcode == null) return null;
+
+    String gs = String.fromCharCode(29);
+    if (barcode.contains(gs)) {
+      var codes = barcode.split(gs);
+      barcode = codes.length >= 2 ? codes[1] : barcode;
+    }
+    return barcode;
+  } catch (e) {
+    print('error: $e');
+    return null;
+  }
+}

lib/pages/widgets/display_text.dart

@@ -63,10 +63,12 @@ class DisplayText extends StatelessWidget {
                         AppTranslations.of(context).text(labelTextKey),
                         style: labelStyle,
                       ),
-                Text(
-                  text,
-                  style: textStyle,
-                ),
+                text == null
+                    ? Container()
+                    : Text(
+                        text,
+                        style: textStyle,
+                      ),
               ],
             ),
           ),

lib/pages/widgets/status_tree.dart

@@ -0,0 +1,66 @@
+import 'package:fcs/domain/constants.dart';
+import 'package:fcs/domain/entities/package.dart';
+import 'package:fcs/domain/vo/shipment_status.dart';
+import 'package:fcs/helpers/theme.dart';
+import 'package:flutter/cupertino.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_icons/flutter_icons.dart';
+import 'package:intl/intl.dart';
+import 'package:timeline_list/timeline.dart';
+import 'package:timeline_list/timeline_model.dart';
+
+var dateFormatter = new DateFormat('dd MMM yyyy');
+
+class StatusTree extends StatelessWidget {
+  final List<ShipmentStatus> shipmentHistory;
+  final String currentStatus;
+
+  const StatusTree({Key key, this.shipmentHistory, this.currentStatus})
+      : super(key: key);
+  @override
+  Widget build(BuildContext context) {
+    return Container(
+      padding: EdgeInsets.only(left: 20),
+      height: 400,
+      child: Timeline(children: _models(), position: TimelinePosition.Left),
+    );
+  }
+
+  List<TimelineModel> _models() {
+    if (shipmentHistory == null || currentStatus == null) return [];
+    bool isPacked = currentStatus != package_received_status &&
+        currentStatus != package_processed_status;
+    return shipmentHistory
+        .map((e) => TimelineModel(
+            Padding(
+              padding: const EdgeInsets.all(18.0),
+              child: Column(
+                crossAxisAlignment: CrossAxisAlignment.start,
+                children: <Widget>[
+                  Text(e.status,
+                      style: TextStyle(
+                          color: e.done ? primaryColor : Colors.grey,
+                          fontSize: 16,
+                          fontWeight: FontWeight.bold)),
+                  e.done || isPacked
+                      ? Text(dateFormatter.format(e.date))
+                      : Container(),
+                ],
+              ),
+            ),
+            iconBackground: e.done ? primaryColor : Colors.grey,
+            icon: Icon(
+              e.status == "shipped"
+                  ? Ionicons.ios_airplane
+                  : e.status == "delivered"
+                      ? MaterialCommunityIcons.truck_fast
+                      : e.status == "packed"
+                          ? MaterialCommunityIcons.package
+                          : e.status == "processed"
+                              ? FontAwesome.dropbox
+                              : MaterialCommunityIcons.inbox_arrow_down,
+              color: Colors.white,
+            )))
+        .toList();
+  }
+}