MPMediaPickerController - 曲を選択する

設定

swift

let picker = MPMediaPickerController()
picker.allowsPickingMultipleItems = false // 
picker.showsCloudItems = false // クラウド

コード例

子画面で MediaPicker を呼んで曲 (MPMediaItem) を取得する例

呼び元

swift

struct ContentView: View {
	@State private var showingModal = false
	@State private var item: MPMediaItem = MPMediaItem()

	var body: some View {
		VStack (alignment: .leading) {
			Button("show") {
				showingModal = true
			}
			.padding()
        }
        .padding()
		.sheet(isPresented: $showingModal, onDismiss: {
			print(item.artist ?? "-")
		}) {
			MusicPicker(item: $item)
		}
    }
}

MusicPicker.swift

swift

struct MusicPicker: UIViewControllerRepresentable {
	@Binding var item: MPMediaItem

	func makeCoordinator() -> Coordinator {
		Coordinator(self)
	}

	func makeUIViewController(context: UIViewControllerRepresentableContext<MusicPicker>) ->  MPMediaPickerController {
		let picker = MPMediaPickerController()
		picker.allowsPickingMultipleItems = false
		picker.showsCloudItems = false

		// delegate ざっくり言うとイベントが発火された時に呼ばれる処理
		picker.delegate = context.coordinator
		picker.prompt = "test"
		return picker
	}

	func updateUIViewController(_ uiViewController: MPMediaPickerController, context: Context) {
	}

	class Coordinator: NSObject, UINavigationControllerDelegate, MPMediaPickerControllerDelegate{
		var parent: MusicPicker
		init(_ parent: MusicPicker){
			self.parent = parent
		}

		func mediaPicker(_ mediaPicker: MPMediaPickerController, didPickMediaItems mediaItemCollection: MPMediaItemCollection) {
			let selectedSongs = mediaItemCollection.items

			if selectedSongs.count > 0 {
				parent.item = selectedSongs[0]
				print(selectedSongs[0].title ?? "-")
				print(selectedSongs[0].assetURL ?? "-")
			}else{
//				parent.song = "not select Music"
			}
			//　単体指定の場合選択するたびに呼ばれるのでここでpickerを閉じる
			mediaPicker.dismiss(animated: true)
		}
	}

}