opt: stream listener

lib/utils/main_stream.dart

@@ -0,0 +1,34 @@
+import 'dart:async';
+import 'package:flutter/material.dart';
+import 'package:easy_debounce/easy_throttle.dart';
+import 'package:flutter/rendering.dart';
+import 'package:get/get.dart';
+
+import '../pages/home/index.dart';
+import '../pages/main/index.dart';
+
+void handleScrollEvent(
+  ScrollController scrollController,
+  // StreamController<bool> mainStream,
+  // StreamController<bool>? searchBarStream,
+) {
+  StreamController<bool> mainStream =
+      Get.find<MainController>().bottomBarStream;
+  StreamController<bool> searchBarStream =
+      Get.find<HomeController>().searchBarStream;
+  EasyThrottle.throttle(
+    'stream-throttler',
+    const Duration(milliseconds: 300),
+    () {
+      final ScrollDirection direction =
+          scrollController.position.userScrollDirection;
+      if (direction == ScrollDirection.forward) {
+        mainStream.add(true);
+        searchBarStream.add(true);
+      } else if (direction == ScrollDirection.reverse) {
+        mainStream.add(false);
+        searchBarStream.add(false);
+      }
+    },
+  );
+}