ContentResolver 插入 MediaStore.Audio.Media.EXTERNAL_CONTENT_URI 错误

Question

I want to get a uri by contentResolver insert a music.

val contentValues = ContentValues()
contentValues.put(MediaStore.Audio.Media.DISPLAY_NAME, music.displayName)
contentResolver.insert(MediaStore.Audio.Media.EXTERNAL_CONTENT_URI, contentValues)

if not set MediaStore.Audio.Media.DATA, must be error.

if use same method insert to MediaStore.Images.Media.EXTERNAL_CONTENT_URI or MediaStore.Video.Media.EXTERNAL_CONTENT_URI is successful.

I'm only want to get a uri for wirte data at Android Q.

java.lang.NullPointerException: Attempt to invoke virtual method 'int java.lang.String.lastIndexOf(int)' on a null object reference
   at android.os.Parcel.createException(Parcel.java:1959)
   at android.os.Parcel.readException(Parcel.java:1921)
   at android.database.DatabaseUtils.readExceptionFromParcel(DatabaseUtils.java:183)
   at android.database.DatabaseUtils.readExceptionFromParcel(DatabaseUtils.java:135)
   at android.content.ContentProviderProxy.insert(ContentProviderNative.java:476)
   at android.content.ContentResolver.insert(ContentResolver.java:1603)

Answer 1

For android Q and newer, you should set MediaStore.Audio.Media.RELATIVE_PATH instead of MediaStore.Audio.Media.DATA

if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
    contentValues.put(MediaStore.Audio.Media.RELATIVE_PATH, "${Environment.DIRECTORY_MUSIC}")
}