.swift
import AVFoundation
let audioSession = AVAudioSession.sharedInstance()
var isSpeaker = false
func hogehoge() {
if isSpeaker {
try? audioSession.overrideOutputAudioPort(.none)
isSpeaker = false
} else {
try? audioSession.overrideOutputAudioPort(.speaker)
isSpeaker = true
}
}
これで音声出力を通常/スピーカーで切り替えることができます!