Added possibility to key-value observing of status

Ktoyta · Mar 15, 2017 · f7a82e9 · f7a82e9
1 parent 0c49dea
commit f7a82e9
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Showing 2 changed files with 6 additions and 1 deletion.
diff --git a/SDAVAssetExportSession.h b/SDAVAssetExportSession.h
@@ -140,7 +140,7 @@
  *
  * For possible values, see “AVAssetExportSessionStatus.”
  *
- * You can observe this property using key-value observing. (TODO)
+ * You can observe this property using key-value observing.
  */
 @property (nonatomic, assign, readonly) AVAssetExportSessionStatus status;
 

diff --git a/SDAVAssetExportSession.m b/SDAVAssetExportSession.m
@@ -445,4 +445,9 @@ - (void)reset
     self.completionHandler = nil;
 }
 
++ (NSSet *)keyPathsForValuesAffectingStatus
+{
+    return [NSSet setWithObject:@"writer.status"];
+}
+
 @end