1.开始录制、结束录制增加

2. 增加电量检测、内存检查，是否低于 10%

lib/shared/widgets/app_dialog.dart

@@ -30,4 +30,24 @@ class AppDialog {
       },
     );
   }
+
+  static Future<void> deviceHealthAlert(
+    BuildContext context, {
+    required List<String> lines,
+  }) {
+    return showDialog<void>(
+      context: context,
+      builder: (dialogContext) {
+        return AlertDialog(
+          content: Text(lines.join('\n')),
+          actions: [
+            TextButton(
+              onPressed: () => Navigator.of(dialogContext).pop(),
+              child: const Text('确定'),
+            ),
+          ],
+        );
+      },
+    );
+  }
 }