How to check if resource pointed by Uri is available?

Question

I have resource (music file) pointed by Uri. How can I check if it is available before I try to play it with MediaPlayer?

Its Uri is stored in database, so when the file

Answer 1

Try a function like:

public static boolean checkURIResource(Context context, Uri uri) {
    Cursor cursor = context.getContentResolver().query(uri, null, null, null, null);
    boolean doesExist= (cursor != null && cursor.moveToFirst());
    if (cursor != null) {
        cursor.close();
    }
    return doesExist;
}