Fixed #2, crash in ARTiledImageView:downloadAndRedrawTilesWithURLs.

dblock · May 20, 2014 · cd3cd38 · cd3cd38
1 parent ff313fe
commit cd3cd38
Show file tree

Hide file tree

Showing 2 changed files with 9 additions and 2 deletions.
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## Next
+
+* [#2](https://github.com/dblock/ARTiledImageView/issues/2): Fixed crash in `[ARTiledImageView downloadAndRedrawTilesWithURLs:]`, (ARTiledImageView.m:154) - [@dblock](https://github.com/dblock).
+
 ## 1.1.0 (5/1/2014)
 
 * Added `ARTiledImageScrollView.backgroundImage` - [@dblock](https://github.com/dblock).

diff --git a/Classes/ARTiledImageView.m b/Classes/ARTiledImageView.m
@@ -151,8 +151,11 @@ - (void)downloadAndRedrawTilesWithURLs:(NSDictionary *)urls
 
     for (NSString *tileCacheKey in urls.keyEnumerator) {
         NSURL *tileURL = [urls objectForKey:tileCacheKey];
-        if ([self.downloadOperations objectForKey:tileCacheKey]) {
-            continue;
+
+        @synchronized (self.downloadOperations) {
+            if ([self.downloadOperations objectForKey:tileCacheKey]) {
+                continue;
+            }
         }
 
         id <SDWebImageOperation> operation = nil;