Answer by Lorne below was most helpful when dealing with this problem.
For anyone else struggling with it, here is the code that I have been using for over 6 months now with errors almost not reported anymore.
fileinfo
can be both of below (examples):
/system/media/audio/alarms/Walk_in_the_forest.ogg
content://media/internal/audio/media/20
public static void setMediaPlayerDataSource(Context context,
MediaPlayer mp, String fileInfo) throws Exception {
if (fileInfo.startsWith("content://")) {
try {
Uri uri = Uri.parse(fileInfo);
fileInfo = getRingtonePathFromContentUri(context, uri);
} catch (Exception e) {
}
}
try {
if (android.os.Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.HONEYCOMB)
try {
setMediaPlayerDataSourcePreHoneyComb(context, mp, fileInfo);
} catch (Exception e) {
setMediaPlayerDataSourcePostHoneyComb(context, mp, fileInfo);
}
else
setMediaPlayerDataSourcePostHoneyComb(context, mp, fileInfo);
} catch (Exception e) {
try {
setMediaPlayerDataSourceUsingFileDescriptor(context, mp,
fileInfo);
} catch (Exception ee) {
String uri = getRingtoneUriFromPath(context, fileInfo);
mp.reset();
mp.setDataSource(uri);
}
}
}
private static void setMediaPlayerDataSourcePreHoneyComb(Context context,
MediaPlayer mp, String fileInfo) throws Exception {
mp.reset();
mp.setDataSource(fileInfo);
}
private static void setMediaPlayerDataSourcePostHoneyComb(Context context,
MediaPlayer mp, String fileInfo) throws Exception {
mp.reset();
mp.setDataSource(context, Uri.parse(Uri.encode(fileInfo)));
}
private static void setMediaPlayerDataSourceUsingFileDescriptor(
Context context, MediaPlayer mp, String fileInfo) throws Exception {
File file = new File(fileInfo);
FileInputStream inputStream = new FileInputStream(file);
mp.reset();
mp.setDataSource(inputStream.getFD());
inputStream.close();
}
private static String getRingtoneUriFromPath(Context context, String path) {
Uri ringtonesUri = MediaStore.Audio.Media.getContentUriForPath(path);
Cursor ringtoneCursor = context.getContentResolver().query(
ringtonesUri, null,
MediaStore.Audio.Media.DATA + "='" + path + "'", null, null);
ringtoneCursor.moveToFirst();
long id = ringtoneCursor.getLong(ringtoneCursor
.getColumnIndex(MediaStore.Audio.Media._ID));
ringtoneCursor.close();
if (!ringtonesUri.toString().endsWith(String.valueOf(id))) {
return ringtonesUri + "/" + id;
}
return ringtonesUri.toString();
}
public static String getRingtonePathFromContentUri(Context context,
Uri contentUri) {
String[] proj = { MediaStore.Audio.Media.DATA };
Cursor ringtoneCursor = context.getContentResolver().query(contentUri,
proj, null, null, null);
ringtoneCursor.moveToFirst();
String path = ringtoneCursor.getString(ringtoneCursor
.getColumnIndexOrThrow(MediaStore.Audio.Media.DATA));
ringtoneCursor.close();
return path;
}