GridAdapter.java

package in.sahildave.gazetti.homescreen.adapter;

import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.RelativeLayout;
import android.widget.TextView;
import in.sahildave.gazetti.R;

import java.util.List;

public class GridAdapter extends BaseAdapter {
    // private String TAG = "HomeScreen";
    private Context mContext;
    private int cell_dimen;
    private LayoutInflater mInflater;
    List<CellModel> cellList;

    public GridAdapter(Context c, List<CellModel> cellList) {
        mContext = c;
        this.cell_dimen = (int) c.getResources().getDimension(R.dimen.cell_dimen);
        mInflater = LayoutInflater.from(c);
        this.cellList = cellList;
    }

    public int getCount() {
        return cellList.size();
    }

    public Object getItem(int position) {
        return null;
    }

    public long getItemId(int position) {
        return 0;
    }

    static class ViewHolder {
        ImageView cellItemImage;
        TextView cellItemTitle;
    }

    public View getView(int position, View convertView, ViewGroup parent) {
        ViewHolder holder;
        if (convertView == null) {
            convertView = mInflater.inflate(R.layout.homescreen_cell_layout, parent, false);

            holder = new ViewHolder();
            holder.cellItemImage = (ImageView) convertView.findViewById(R.id.cellItemImageView);
            holder.cellItemTitle = (TextView) convertView.findViewById(R.id.cellItemTitle);
            convertView.setTag(holder);

        } else {
            holder = (ViewHolder) convertView.getTag();
        }

        CellModel modelObject = cellList.get(position);

        String uri = modelObject.getNewspaperImage();
        int resID = mContext.getResources().getIdentifier(uri, "drawable", mContext.getPackageName());

        holder.cellItemImage.setLayoutParams(new RelativeLayout.LayoutParams(cell_dimen, cell_dimen));
        holder.cellItemImage.setScaleType(ImageView.ScaleType.CENTER_CROP);
        holder.cellItemImage.setPadding(8, 8, 8, 8);
        holder.cellItemImage.setImageResource(resID);

        holder.cellItemTitle.setText(modelObject.getCategoryTitle());

        return convertView;
    }
}