script Batch operations

lib/native/process_info.dart

@@ -0,0 +1,11 @@
+import 'package:flutter/services.dart';
+import 'package:network_proxy/native/installed_apps.dart';
+
+class ProcessInfoPlugin {
+  static const MethodChannel _methodChannel = MethodChannel('com.proxy/processInfo');
+
+  static Future<AppInfo?> getProcessByPort(String host, int port) {
+    return _methodChannel.invokeMethod<Map>('getProcessByPort', {"host": host, "port": port}).then(
+        (value) => value == null ? null : AppInfo.formJson(value));
+  }
+}