曲の検索

swift

	func searchMediaItem(artist: String, title: String) -> MPMediaItem? {
		let query = MPMediaQuery.songs()
		let predicateArtist = MPMediaPropertyPredicate(
			value: artist,
			forProperty: MPMediaItemPropertyArtist,
			comparisonType: MPMediaPredicateComparison.equalTo
		)
		let predicateTitle = MPMediaPropertyPredicate(
			value: title,
			forProperty: MPMediaItemPropertyTitle,
			comparisonType: MPMediaPredicateComparison.equalTo
		)
		query.addFilterPredicate(predicateArtist)
		query.addFilterPredicate(predicateTitle)
		
		return query.collections?.first?.items.first
	}