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Fix that iOS 8 NSURLSessionTaskPriorityHigh symbol not defined in Foundation framework and cause crash

This commit is contained in:
DreamPiggy 2018-02-27 23:12:06 +08:00
parent 71caeb82e4
commit 49acbdf9a9
1 changed files with 8 additions and 1 deletions
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9
SDWebImage/SDWebImageDownloaderOperation.m
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@ -14,6 +14,13 @@
#define LOCK(lock) dispatch_semaphore_wait(lock, DISPATCH_TIME_FOREVER);
#define UNLOCK(lock) dispatch_semaphore_signal(lock);
// iOS 8 Foundation.framework extern these symbol but the define is in CFNetwork.framework. We just fix this without import CFNetwork.framework
#if (__IPHONE_OS_VERSION_MIN_REQUIRED && __IPHONE_OS_VERSION_MIN_REQUIRED < __IPHONE_9_0)
const float NSURLSessionTaskPriorityHigh = 0.75;
const float NSURLSessionTaskPriorityDefault = 0.5;
const float NSURLSessionTaskPriorityLow = 0.25;
#endif
NSString *const SDWebImageDownloadStartNotification = @"SDWebImageDownloadStartNotification";
NSString *const SDWebImageDownloadReceiveResponseNotification = @"SDWebImageDownloadReceiveResponseNotification";
NSString *const SDWebImageDownloadStopNotification = @"SDWebImageDownloadStopNotification";
@ -176,7 +183,6 @@ typedef NSMutableDictionary<NSString *, id> SDCallbacksDictionary;
}
if (self.dataTask) {
[self.dataTask resume];
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wunguarded-availability"
if ([self.dataTask respondsToSelector:@selector(setPriority:)]) {
@ -187,6 +193,7 @@ typedef NSMutableDictionary<NSString *, id> SDCallbacksDictionary;
}
}
#pragma clang diagnostic pop
[self.dataTask resume];
for (SDWebImageDownloaderProgressBlock progressBlock in [self callbacksForKey:kProgressCallbackKey]) {
progressBlock(0, NSURLResponseUnknownLength, self.request.URL);
}