Settings: Parse version strings from text files

Version strings displayed on the settings page were tentatively
implemented as constant strings and were not updated. Let's
implement a small piece of code to parse text files, similar to
how the Qt-version of settings app did.

Bug-AGL: SPEC-5256
Change-Id: I6d3669bff5299c818c3a9f1c5439ddf1ab952760
Signed-off-by: Hiroyuki Ishii <ishii.hiroyuki002@jp.panasonic.com>
(cherry picked from commit 4d058d87aebaa1d3d47a835559dfa0fe0d8b7b74)

2 files changed, 28 insertions, 4 deletions

diff --git a/lib/core/constants/constants.dart b/lib/core/constants/constants.dart
index 65aa680..edee874 100644
--- a/lib/core/constants/constants.dart
+++ b/lib/core/constants/constants.dart
@@ -2,8 +2,6 @@ import '../../export.dart';
 
 const splashWarning =
     'Please use the IVI system responsibly while driving. Keep your attention on the road, and use voice commands or hands-free controls when interacting with the system. Distracted driving can lead to accidents and serious injury. Follow all traffic laws and drive safely.';
-const aglVeriosn = 'AGL 16.0.2 (pike)';
-const kernelVeriosn = 'Kernel: 5.10.41.-yocto-standard';
 const maxFuelLevel = 100.0;
 const maxSpeed = 240.0;
 const maxRpm = 8000;
diff --git a/lib/presentation/screens/settings/settings_screens/version_info/version_info_screend.dart b/lib/presentation/screens/settings/settings_screens/version_info/version_info_screend.dart
index fce1837..c5e571d 100644
--- a/lib/presentation/screens/settings/settings_screens/version_info/version_info_screend.dart
+++ b/lib/presentation/screens/settings/settings_screens/version_info/version_info_screend.dart
@@ -1,6 +1,32 @@
 import 'package:flutter_ics_homescreen/export.dart';
 
 class VersionInfoPage extends ConsumerWidget {
+  static String aglVersionFilePath = '/etc/os-release';
+  static String kernelVersionFilePath = '/proc/version';
+
+  static String aglVersion() {
+    try {
+      final file = File(aglVersionFilePath);
+      final data = file.readAsStringSync().split("\n");
+      if (!data[1].contains('Automotive Grade Linux')) {
+        throw 'Non-AGL distribution';
+      }
+      return "AGL: " + data[2].split('"')[1];
+    } catch (_) {
+      return '<AGL version not found>';
+    }
+  }
+
+  static String kernelVersion() {
+    try {
+      final file = File(kernelVersionFilePath);
+      final data = file.readAsStringSync().split(" ");
+      return "Kernel: " + data[2];
+    } catch (_) {
+      return '<Kernel version not found>';
+    }
+  }
+
   const VersionInfoPage({super.key});
 
   static Page<void> page() =>
@@ -43,7 +69,7 @@ class VersionInfoPage extends ConsumerWidget {
                   child: ListTile(
                     contentPadding: const EdgeInsets.only(top: 50, left: 25),
                     leading: Text(
-                      aglVeriosn,
+                      aglVersion(),
                       style: Theme.of(context).textTheme.titleMedium,
                     ),
                   ),
@@ -64,7 +90,7 @@ class VersionInfoPage extends ConsumerWidget {
                     contentPadding: const EdgeInsets.only(top: 50, left: 25),
 
                     leading: Text(
-                      kernelVeriosn,
+                      kernelVersion(),
                       style: Theme.of(context).textTheme.titleMedium,
                     ),
                   ),