How to search for a value in firebase Android

Question

I am saving data as follows in the Firebase:

I want to find all records that have #Yahoo in their title. What will be the exact query for that?

I am

Answer 1

I know this is late but this solution worked for me.

 getContentResolver().delete(MediaStore.Video.Media.EXTERNAL_CONTENT_URI,
                        MediaStore.Video.VideoColumns.DATA + "=?" , new String[]{ paths.get(i) });