Fix crash in RCTImagePicker on iOS

Summary: @public Apparently if you select images really quickly, the app will crash. Reviewed By: shergin Differential Revision: D8796730 fbshipit-source-id: 81a652d9c8997ee9e83bbee3378954a6718a9b5d
facebook · Jul 12, 2018 · 934c50f · 934c50f
1 parent 7eb419d
commit 934c50f
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/Libraries/CameraRoll/RCTImagePickerManager.m b/Libraries/CameraRoll/RCTImagePickerManager.m
@@ -153,6 +153,11 @@ - (void)_presentPicker:(UIImagePickerController *)imagePicker
 - (void)_dismissPicker:(UIImagePickerController *)picker args:(NSArray *)args
 {
   NSUInteger index = [_pickers indexOfObject:picker];
+  if (index == NSNotFound) {
+    // This happens if the user selects multiple items in succession.
+    return;
+  }
+
   RCTResponseSenderBlock successCallback = _pickerCallbacks[index];
   RCTResponseSenderBlock cancelCallback = _pickerCancelCallbacks[index];