import android.database.DatabaseUtils;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteOpenHelper;
-import android.provider.ContactsContract;
-import android.support.design.widget.Snackbar;
-import android.support.v4.content.ContextCompat;
public class BookmarksDatabaseHandler extends SQLiteOpenHelper {
private static final int SCHEMA_VERSION = 1;