TF-2667 Create ApplicationVersionWidget to display app version

core/lib/utils/application_manager.dart

@@ -0,0 +1,49 @@
+
+import 'package:core/utils/app_logger.dart';
+import 'package:core/utils/platform_info.dart';
+import 'package:device_info_plus/device_info_plus.dart';
+import 'package:fk_user_agent/fk_user_agent.dart';
+import 'package:package_info_plus/package_info_plus.dart';
+
+class ApplicationManager {
+
+  final DeviceInfoPlugin _deviceInfoPlugin;
+
+  ApplicationManager(this._deviceInfoPlugin);
+
+  Future<PackageInfo> getPackageInfo() async {
+    final packageInfo = await PackageInfo.fromPlatform();
+    log('ApplicationManager::getPackageInto: $packageInfo');
+    return packageInfo;
+  }
+
+  Future<String> getVersion() async {
+    final version = (await getPackageInfo()).version;
+    log('ApplicationManager::getVersion: $version');
+    return version;
+  }
+
+  Future<String> getUserAgent() async {
+    try {
+      String userAgent;
+      if (PlatformInfo.isWeb) {
+        final webBrowserInfo = await _deviceInfoPlugin.webBrowserInfo;
+        userAgent = webBrowserInfo.userAgent ?? '';
+      } else {
+        await FkUserAgent.init();
+        userAgent = FkUserAgent.userAgent ?? '';
+        FkUserAgent.release();
+      }
+      return userAgent;
+    } catch(e) {
+      logError('ApplicationManager::getUserAgent: Exception: $e');
+      return '';
+    }
+  }
+
+  Future<String> generateApplicationUserAgent() async {
+    final userAgent = await getUserAgent();
+    final version = await getVersion();
+    return 'Team-Mail/$version $userAgent';
+  }
+}

core/pubspec.lock

@@ -185,6 +185,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "6.1.4"
+  fk_user_agent:
+    dependency: "direct main"
+    description:
+      name: fk_user_agent
+      sha256: fd6c94e120786985a292d12f61422a581f4e851148d5940af38b819357b8ad0d
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.0"
   flex_color_picker:
     dependency: "direct main"
     description:
@@ -440,6 +448,22 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.10.0"
+  package_info_plus:
+    dependency: "direct main"
+    description:
+      name: package_info_plus
+      sha256: "7e76fad405b3e4016cd39d08f455a4eb5199723cf594cd1b8916d47140d93017"
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.2.0"
+  package_info_plus_platform_interface:
+    dependency: transitive
+    description:
+      name: package_info_plus_platform_interface
+      sha256: "9bc8ba46813a4cc42c66ab781470711781940780fd8beddd0c3da62506d3a6c6"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.1"
   path:
     dependency: transitive
     description:

core/pubspec.yaml

@@ -75,6 +75,10 @@ dependencies:
 
   printing: 5.12.0
 
+  package_info_plus: 4.2.0
+
+  fk_user_agent: 2.1.0
+
 dev_dependencies:
   flutter_test:
     sdk: flutter