From 6db7ce6866cdfffeaa73b7a33590709d624b159d Mon Sep 17 00:00:00 2001
From: "smparkes@smparkes.net"
 <smparkes@smparkes.net@59b500cc-1b3d-0410-9834-0bbf25fbcc57>
Date: Sat, 6 Apr 2013 23:15:17 +0000
Subject: [PATCH] clear redirect after use

git-svn-id: https://zxing.googlecode.com/svn/trunk@2632 59b500cc-1b3d-0410-9834-0bbf25fbcc57
---
 iphone/Barcodes/Classes/ZXMainViewController.mm | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/iphone/Barcodes/Classes/ZXMainViewController.mm b/iphone/Barcodes/Classes/ZXMainViewController.mm
index 3cd114e84..b0ee97064 100644
--- a/iphone/Barcodes/Classes/ZXMainViewController.mm
+++ b/iphone/Barcodes/Classes/ZXMainViewController.mm
@@ -115,6 +115,11 @@
   Scan * scan = [[Database sharedDatabase] addScanWithText:resultString];
   [[NSUserDefaults standardUserDefaults] setObject:resultString forKey:@"lastScan"];
   NSString *returnUrl = [[NSUserDefaults standardUserDefaults] stringForKey:@"returnURL"];
+
+  [[NSUserDefaults standardUserDefaults] removeObjectForKey:@"returnURL"];
+  [[NSUserDefaults standardUserDefaults] removeObjectForKey:@"scanFormats"];
+  [[NSUserDefaults standardUserDefaults] synchronize];
+
   if (returnUrl != nil) {
     resultString = (NSString*)
         CFURLCreateStringByAddingPercentEscapes(kCFAllocatorDefault,
@@ -145,6 +150,11 @@
 
 - (void)alertView:(UIAlertView *)alertView didDismissWithButtonIndex:(NSInteger)buttonIndex {
   NSString* returnUrl = [[NSUserDefaults standardUserDefaults] stringForKey:@"returnURL"];
+
+  [[NSUserDefaults standardUserDefaults] removeObjectForKey:@"returnURL"];
+  [[NSUserDefaults standardUserDefaults] removeObjectForKey:@"scanFormats"];
+  [[NSUserDefaults standardUserDefaults] synchronize];
+
   // NSLog(@"%@ %d", returnUrl, buttonIndex);
   if (returnUrl != nil && buttonIndex != 0) {
     NSURL *ourURL =