java - cursor.moveToFirst never returns true -

i'm trying search mediastore , far have had no luck in doing so.

here current code looks like:

    cursor cursor = this.managedquery(uri,                      null,                      mediastore.audio.media.title + "=?",                      new string[]{songtoplay},                      mediastore.audio.media.title + " asc");               if(cursor.movetofirst()){                 do{  string path = cursor.getstring(cursor.getcolumnindex(mediastore.audio.media.data));                 long id = cursor.getlong(cursor.getcolumnindex(mediastore.audio.media._id));                   test.settext(path);                 }             while (cursor.movetonext());              } 

songtoplay, uri correctly set.

the if statement never executed.

what cause this?

it means the cursor empty. try out cursor.getcount(), , double-check if query correct. sure media store populated? have permissions access it?

it looks building search functionality, way. if true, sure use operator, or better yet, use full text search.