objective c - What's the difference between encodeBase64ForData and encodeWrappedBase64ForData when using SKPSMTPMessage -


in app, need attach video using skpsmtpmessage. @ first, learned dunja's code, 

nsdata *videodata = [nsdata datawithcontentsoffile: videopath];  nsdictionary *videopart = [nsdictionary dictionarywithobjectsandkeys:@"video/quicktime;\r\n\tx-unix-mode=0644;\r\n\tname=\"video.mov\"",kskpsmtppartcontenttypekey,                                      @"attachment;\r\n\tfilename=\"video.mov\"",kskpsmtppartcontentdispositionkey,[videodata encodebase64fordata],kskpsmtppartmessagekey,@"base64",kskpsmtppartcontenttransferencodingkey,nil];

but it's can't work out. tried solutions can imagined. finally, changed encode type of videodata: from

... [videodata encodebase64fordata],kskpsmtppartmessagekey ...

to

... [videodata encodewrappedbase64fordata],kskpsmtppartmessagekey ...

and works!

i have no idea what's difference between 2 api, can me out? thank dunja again, learned lot code.

take @ answer: gmail won't open .txt attachment created iphone app, depending on size - think there's bug in mime

a function called encodebase64fordatawrapped adds line breaks. perhaps should calling instead, , if attachment sufficiently long long base64 line confusing somebody.

here can see source code of both: http://code.google.com/p/skpsmtpmessage/source/browse/trunk/smtpsender/classes/nsdata%2bbase64additions.m


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