Have you enabled the “Audio Background Capability” setting in the iOS exporter in the Projucer? This is needed to create MIDI devices otherwise CoreMidi will throw a kMIDINotPermitted error (which is the ffffd5a4 error you’re seeing).
Have you enabled the “Audio Background Capability” setting in the iOS exporter in the Projucer? This is needed to create MIDI devices otherwise CoreMidi will throw a kMIDINotPermitted error (which is the ffffd5a4 error you’re seeing).
