From f940d6811b5f7acadf471b35055b987d1734510c Mon Sep 17 00:00:00 2001
From: Julian Steenbakker <juliansteenbakker@outlook.com>
Date: Thu, 11 Feb 2021 16:09:20 +0100
Subject: [PATCH] Added small delay to updateDimensions to ensure that
 renderbox is loaded. (#250)

---
 lib/src/qr_code_scanner.dart | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/lib/src/qr_code_scanner.dart b/lib/src/qr_code_scanner.dart
index 2e7b9ee..22a62dc 100644
--- a/lib/src/qr_code_scanner.dart
+++ b/lib/src/qr_code_scanner.dart
@@ -212,7 +212,6 @@ class QRViewController {
 
   Stream<Barcode> get scannedDataStream => _scanUpdateController.stream;
 
-  static bool _firstRun = true;
   SystemFeatures _features;
   bool _hasPermissions;
 
@@ -320,10 +319,8 @@ class QRViewController {
   static Future<void> updateDimensions(GlobalKey key, MethodChannel channel,
       {QrScannerOverlayShape overlay}) async {
     if (defaultTargetPlatform == TargetPlatform.iOS) {
-      if (_firstRun) {
-        _firstRun = false;
-        await Future.delayed(Duration(milliseconds: 300));
-      }
+      // Add small delay to ensure the renderbox is loaded
+      await Future.delayed(Duration(milliseconds: 100));
       final RenderBox renderBox = key.currentContext.findRenderObject();
       try {
         await channel.invokeMethod('setDimensions', {