var uri: Uri? = Uri.parse(ContentResolver.SCHEME_ANDROID_RESOURCE + "://" + context.packageName + "/" + R.raw.cha_ching)
?: null
if (uri != null) {
Log.d("debugsto prendendo il file", "Sono dentro if uri")
if (!player.isPlaying && player.currentPosition<1 ) {
player.setDataSource(context, uri) //problem
player.prepare();
}