<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
  android:layout_width="match_parent"
  android:layout_height="match_parent"
  android:padding="5dp">

  <ImageView
    android:id="@+id/img_icon"
    android:layout_width="64dp"
    android:layout_height="64dp"
    android:layout_centerInParent="true"
    android:src="@mipmap/iv_icon_1" />

  <TextView
    android:id="@+id/txt_icon"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_below="@id/img_icon"
    android:layout_centerHorizontal="true"
    android:layout_marginTop="30dp"
    android:text="呵呵"
    android:textSize="18sp" />

</RelativeLayout>

public class Icon {
  private int iId;
  private String iName;

  public Icon() {
  }

  public Icon(int iId, String iName) {
    this.iId = iId;
    this.iName = iName;
  }

  public int getiId() {
    return iId;
  }

  public String getiName() {
    return iName;
  }

  public void setiId(int iId) {
    this.iId = iId;
  }

  public void setiName(String iName) {
    this.iName = iName;
  }
}

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
  xmlns:tools="http://schemas.android.com/tools"
  android:layout_width="match_parent"
  android:layout_height="match_parent"
  android:padding="5dp"
  tools:context=".MainActivity">

  <!--numColumns设置每行显示多少个-->
  <GridView
    android:id="@+id/grid_photo"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:numColumns="3" />

</RelativeLayout>

public class MainActivity extends AppCompatActivity {

  private Context mContext;
  private GridView grid_photo;
  private BaseAdapter mAdapter = null;
  private ArrayList<Icon> mData = null;

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    mContext = MainActivity.this;
    grid_photo = (GridView) findViewById(R.id.grid_photo);

    mData = new ArrayList<Icon>();
    mData.add(new Icon(R.mipmap.iv_icon_1, "图标1"));
    mData.add(new Icon(R.mipmap.iv_icon_2, "图标2"));
    mData.add(new Icon(R.mipmap.iv_icon_3, "图标3"));
    mData.add(new Icon(R.mipmap.iv_icon_4, "图标4"));
    mData.add(new Icon(R.mipmap.iv_icon_5, "图标5"));
    mData.add(new Icon(R.mipmap.iv_icon_6, "图标6"));
    mData.add(new Icon(R.mipmap.iv_icon_7, "图标7"));

    mAdapter = new MyAdapter<Icon>(mData, R.layout.item_grid_icon) {
      @Override
      public void bindView(ViewHolder holder, Icon obj) {
        holder.setImageResource(R.id.img_icon, obj.getiId());
        holder.setText(R.id.txt_icon, obj.getiName());
      }
    };

    grid_photo.setAdapter(mAdapter);

    grid_photo.setOnItemClickListener(new AdapterView.OnItemClickListener() {
      @Override
      public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
        Toast.makeText(mContext, "你点击了~" + position + "~项", Toast.LENGTH_SHORT).show();
      }
    });

  }

}