documenting the workaround to uploadTaskWithRequest:fromFile: bug

wanglong · May 12, 2016 · 27652fe · 27652fe
1 parent 59d5111
commit 27652fe
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/AFNetworking/AFURLSessionManager.m b/AFNetworking/AFURLSessionManager.m
@@ -778,6 +778,7 @@ - (NSURLSessionUploadTask *)uploadTaskWithRequest:(NSURLRequest *)request
         uploadTask = [self.session uploadTaskWithRequest:request fromFile:fileURL];
     });
 
+    // uploadTask may be nil on iOS7 because uploadTaskWithRequest:fromFile: may return nil despite being documented as nonnull (https://devforums.apple.com/message/926113#926113)
     if (!uploadTask && self.attemptsToRecreateUploadTasksForBackgroundSessions && self.session.configuration.identifier) {
         for (NSUInteger attempts = 0; !uploadTask && attempts < AFMaximumNumberOfAttemptsToRecreateBackgroundSessionUploadTask; attempts++) {
             uploadTask = [self.session uploadTaskWithRequest:request fromFile:fileURL];