Items inside GridView getting repeated when screen scrolls

Question

I\'m using a GridView to show a set of Categories that user can chose. Each item of the grid is consisted by an ImageView and a TextView, both retrieved from server. When an

Answer 1

These is my code for GirdView with Button + Textview

public View getView(final int position, View convertView, ViewGroup parent) {
        LayoutInflater mInflater = (LayoutInflater) mContext.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
        if (convertView == null) {
            convertView = mInflater.inflate(R.layout.grid_item, null);  
        } else {
            holder = (ViewHolder) convertView.getTag();
        }
        TextView text = (TextView)convertView.findViewById(R.id.texto_grid);
        text.setText(app_listaActiva_NOMBRES[position]);
        Button image = (Button)convertView.findViewById(R.id.miniatura_grid);
        image.setBackgroundResource(R.drawable.custom_button);
        image.setOnClickListener(new MyOnClickListener2(position,app_listaActiva_SONIDOS));
        return convertView;
    }