eliminate visible stutter on canceling the scan

See card-io/card.io-iOS-SDK#97
card-io · Mar 12, 2015 · c8c6e29 · c8c6e29
1 parent b863b8f
commit c8c6e29
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/Classes/CardIOViewController.mm b/Classes/CardIOViewController.mm
@@ -457,6 +457,10 @@ - (void)manualEntry:(id)sender {
 
 - (void)cancel:(id)sender {
   [self.context.scanReport reportEventWithLabel:@"scan_cancel" withScanner:self.cardIOView.scanner];
+
+  // Hiding the CardIOView causes it to call its stopSession method, thus eliminating a visible stutter.
+  // See https://github.com/card-io/card.io-iOS-SDK/issues/97
+  self.cardIOView.hidden = YES;
 
   [self.navigationController setNavigationBarHidden:NO animated:YES]; // to restore the color of the status bar!