Display current build version on startup screen

lib/helpers/version_helper.dart

@@ -0,0 +1,16 @@
+import 'package:package_info/package_info.dart';
+
+/// Application version helper
+///
+/// @author Pierre Hubert
+
+class VersionHelper {
+  static PackageInfo _info;
+
+  static Future<void> ensureLoaded() async {
+    _info = await PackageInfo.fromPlatform();
+  }
+
+  /// Get current version information
+  static PackageInfo get info => _info;
+}

lib/main.dart

@@ -1,6 +1,7 @@
 import 'package:comunic/helpers/account_helper.dart';
 import 'package:comunic/helpers/database/database_helper.dart';
 import 'package:comunic/helpers/preferences_helper.dart';
+import 'package:comunic/helpers/version_helper.dart';
 import 'package:comunic/ui/widgets/init_widget.dart';
 import 'package:comunic/utils/intl_utils.dart';
 import 'package:flutter/material.dart';
@@ -12,6 +13,9 @@ import 'package:flutter/material.dart';
 void subMain() async {
   WidgetsFlutterBinding.ensureInitialized();
 
+  // Load package information
+  await VersionHelper.ensureLoaded();
+
   // Connect to database
   await DatabaseHelper.open();
   await DatabaseHelper.cleanUpDatabase();

lib/ui/widgets/init_widget.dart

@@ -1,6 +1,7 @@
 import 'package:comunic/helpers/account_helper.dart';
 import 'package:comunic/helpers/events_helper.dart';
 import 'package:comunic/helpers/server_config_helper.dart';
+import 'package:comunic/helpers/version_helper.dart';
 import 'package:comunic/helpers/websocket_helper.dart';
 import 'package:comunic/ui/routes/login_route.dart';
 import 'package:comunic/ui/routes/main_route/main_route.dart';
@@ -123,6 +124,11 @@ class _InitializeWidgetState extends SafeState<InitializeWidget> {
               Spacer(
                 flex: 2,
               ),
+              Text(tr("Version %version% - Build %build%", args: {
+                "version": VersionHelper.info.version.toString(),
+                "build": VersionHelper.info.buildNumber.toString()
+              })),
+              Spacer(flex: 1),
             ],
           ),
         ),

pubspec.lock

@@ -332,7 +332,7 @@ packages:
     source: hosted
     version: "0.3.0"
   package_info:
-    dependency: transitive
+    dependency: "direct main"
     description:
       name: package_info
       url: "https://pub.dartlang.org"

pubspec.yaml

@@ -85,6 +85,9 @@ dependencies:
   # Pick any kind of file
   file_picker_cross: ^4.2.8
 
+  # Get information about current version
+  package_info: ^0.4.3+4
+
 dev_dependencies:
   flutter_test:
     sdk: flutter