iOS media docs updates

Author: rbeiter

ip-messaging/media/check-presence-media/check-presence-media.m

@@ -1,4 +1,4 @@
-if (message.mediaSid != nil) {
+if (message.hasMedia) {
     NSLog(@"mediaFilename: %@ (optional)", message.mediaFilename);
     NSLog(@"mediaSize: %ld", message.mediaSize);
 } 

ip-messaging/media/check-presence-media/check-presence-media.swift

@@ -1,4 +1,4 @@
-if (message.mediaSid != nil) {
+if (message.hasMedia) {
     print("mediaFilename: \(String(describing: message.mediaFilename)) (optional)")
     print("mediaSize: \(message.mediaSize)")
 } 

ip-messaging/media/create-media-message/create-media-message.m

@@ -9,11 +9,14 @@
                 defaultFilename:@"image.jpg"
                       onStarted:^{
                           // Called when upload of media begins.
+                          NSLog(@"Media upload started");
                       } onProgress:^(NSUInteger bytes) {
                           // Called as upload progresses, with the current byte count.
+                          NSLog(@"Media upload progress: %ld", bytes);
                       } onCompleted:^(NSString * _Nonnull mediaSid) {
                           // Called when upload is completed, with the new mediaSid if successful.
                           // Full failure details will be provided through sendMessage's completion.
+                          NSLog(@"Media upload completed");
                       }];
 
 // Trigger the sending of the message.

ip-messaging/media/create-media-message/create-media-message.swift

@@ -9,12 +9,15 @@ messageOptions.withMediaStream(inputStream,
                                defaultFilename: "image.jpg",
                                onStarted: {
                                 // Called when upload of media begins.
+                                print("Media upload started")
 },
                                onProgress: { (bytes) in
                                 // Called as upload progresses, with the current byte count.
+                                print("Media upload progress: \(bytes)")
 }) { (mediaSid) in
     // Called when upload is completed, with the new mediaSid if successful.
     // Full failure details will be provided through sendMessage's completion.
+    print("Media upload completed")
 }
 
 // Trigger the sending of the message.