Grid Custom Android

item_grid.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:gravity="center">

    <ImageView
        android:layout_width="100dp"
        android:layout_height="100dp"
        android:src="@drawable/ic_launcher"
        android:contentDescription="@string/hello_world"
        android:layout_centerHorizontal="true"
        android:id="@+id/imgGrid" />

    <TextView
        android:id="@+id/txtGrid"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:gravity="center"
        android:textSize="20sp"
        android:text="Texto Item Grid"
        android:layout_alignBottom="@+id/imgGrid"
        android:layout_centerHorizontal="true" />

</RelativeLayout>

ItemGrid.java

package com.gorrotowi.listandgrid;

public class ItemGrid {

    String title;
    int img;

    public ItemGrid(String title, int img) {
        this.title = title;
        this.img = img;
    }

    public String getTitle() {
        return title;
    }

    public void setTitle(String title) {
        this.title = title;
    }

    public int getImg() {
        return img;
    }

    public void setImg(int img) {
        this.img = img;
    }
}

ItemGridAdapter.java

import android.app.Activity;
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.TextView;

import java.util.ArrayList;

/**
 * Created by Richie on 2/4/15.
 */
public class ItemGridAdapter extends BaseAdapter {

    private Context ctx;
    private int layoutResource;
    private ArrayList<ItemGrid> data = new ArrayList<>();

    public ItemGridAdapter(Context ctx, int layoutResource, ArrayList<ItemGrid> data) {
        this.ctx = ctx;
        this.layoutResource = layoutResource;
        this.data = data;
    }

    @Override
    public int getCount() {
        return data.size();
    }

    @Override
    public Object getItem(int position) {
        return data.get(position);
    }

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

    public class HolderView {
        TextView txtTitle;
        ImageView img;
    }

    @Override
    public View getView(int position, View convertView, ViewGroup parent) {
        View fila = convertView;
        HolderView holder = null;
        if (fila == null) {
            LayoutInflater inflater = ((Activity) ctx).getLayoutInflater();
            fila = inflater.inflate(layoutResource, parent, false);
            holder = new HolderView();
            holder.txtTitle = (TextView) fila.findViewById(R.id.txtGrid);
            holder.img = (ImageView) fila.findViewById(R.id.imgGrid);
            fila.setTag(holder);
        } else {
            holder = (HolderView) fila.getTag();
        }

        ItemGrid item = (ItemGrid) data.get(position);
        holder.txtTitle.setText(item.getTitle());
        holder.img.setImageResource(item.getImg());

        return fila;
    }
}

MainActivity.java

import android.os.Bundle;
import android.support.v7.app.ActionBarActivity;
import android.view.View;
import android.widget.AdapterView;
import android.widget.GridView;
import android.widget.TextView;

import java.util.ArrayList;


public class MainActivity extends ActionBarActivity {

    GridView gridView;
    ItemGridAdapter adapterGrid;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        gridView = (GridView) findViewById(R.id.customGrid);

        adapterGrid = new ItemGridAdapter(this, R.layout.item_grid, getDataGrid());

        gridView.setAdapter(adapterGrid);

    }

    private ArrayList<ItemGrid> getDataGrid() {
        ArrayList<ItemGrid> item = new ArrayList<>();
        item.add(new ItemGrid("Titulo 1", R.drawable.ic_launcher));
        item.add(new ItemGrid("Titulo 2", R.drawable.ic_launcher));
        item.add(new ItemGrid("Titulo 3", R.drawable.ic_launcher));
        item.add(new ItemGrid("Titulo 4", R.drawable.ic_launcher));
        item.add(new ItemGrid("Titulo 5", R.drawable.ic_launcher));
        item.add(new ItemGrid("Titulo 6", R.drawable.ic_launcher));
        item.add(new ItemGrid("Titulo 7", R.drawable.ic_launcher));
        item.add(new ItemGrid("Titulo 8", R.drawable.ic_launcher));
        item.add(new ItemGrid("Titulo 9", R.drawable.ic_launcher));
        item.add(new ItemGrid("Titulo 10", R.drawable.ic_launcher));
        return item;
    }

}