public class ProfileRepository extends SQLiteOpenHelper {

   ***

  public void save(Profile profile) throws Exception {
        SQLiteDatabase db = getWritableDatabase();
        try {
            Object[] args = {1,2,3};
            db.execSQL("***", args);
        } finally {
            db.close();
        }
    }
}

 ProfileRepository repository = new  ProfileRepository(this);
try{
 repository.save(profile);
}finally{
repository.close();
}

public synchronized void close() {
        if (mIsInitializing) throw new IllegalStateException("Closed during initialization");

        if (mDatabase != null && mDatabase.isOpen()) {
            mDatabase.close();
            mDatabase = null;
        }
    }