don't use QOS_CLASS_* on iOS <8

zydeco · Jul 15, 2016 · 739e763 · 739e763
1 parent d60cd3a
commit 739e763
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/Mini vMac/UIImage+DiskImageIcon.m b/Mini vMac/UIImage+DiskImageIcon.m
@@ -55,7 +55,8 @@ + (UIImage *)imageWithIconForDiskImage:(NSString *)path {
 
 + (void)loadIconForDiskImageAndNotify:(NSString *)path {
     if ([NSThread isMainThread]) {
-        dispatch_async(dispatch_get_global_queue(QOS_CLASS_USER_INITIATED, 0), ^{
+        long queue = NSFoundationVersionNumber >= NSFoundationVersionNumber_iOS_8_0 ? QOS_CLASS_USER_INITIATED : DISPATCH_QUEUE_PRIORITY_LOW;
+        dispatch_async(dispatch_get_global_queue(queue, 0), ^{
             [self loadIconForDiskImageAndNotify:path];
         });
         return;