mod: clear outdated logs

Signed-off-by: bggRGjQaUbCoE <githubaccount56556@proton.me>

lib/pages/about/index.dart

@@ -234,6 +234,7 @@ Commit Hash: ${BuildConfig.commitHash}''',
             onLongPress: clearLogs,
             leading: const Icon(Icons.bug_report_outlined),
             title: const Text('错误日志'),
+            subtitle: Text('长按清除日志', style: subTitleStyle),
             trailing: Icon(Icons.arrow_forward, size: 16, color: outline),
           ),
           ListTile(

lib/pages/setting/pages/logs.dart

@@ -15,6 +15,7 @@ class _LogsPageState extends State<LogsPage> {
   late File logsPath;
   late String fileContent;
   List logsContent = [];
+  DateTime? latestLog;
 
   @override
   void initState() {
@@ -22,6 +23,16 @@ class _LogsPageState extends State<LogsPage> {
     super.initState();
   }
 
+  @override
+  void dispose() {
+    if (latestLog != null) {
+      if (DateTime.now().difference(latestLog!) >= Duration(days: 14)) {
+        clearLogs();
+      }
+    }
+    super.dispose();
+  }
+
   void getPath() async {
     logsPath = await getLogsPath();
     fileContent = await logsPath.readAsString();
@@ -53,6 +64,7 @@ class _LogsPageState extends State<LogsPage> {
                 date = DateTime.parse(
                   l.split("Crash occurred on")[1].trim(), //.split('.')[0],
                 );
+                latestLog ??= date;
               } catch (e) {
                 debugPrint(e.toString());
                 date = l.toString();