gridview例子

直接贴代码

MainActivity.java

public class MainActivity extends AppCompatActivity {

    private GridView _gridView = null;
    private List<ObjectEntity> _dataSource = null;

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

        initGridView();
    }

    private void initGridView() {

        _gridView = (GridView) findViewById(R.id.grid_view);

        _dataSource = new ArrayList<>();

        for (int i = 0; i < 8; i++) {
            ObjectEntity object = new ObjectEntity();

            object.imgUrl = "http://a.hiphotos.baidu.com/album/w%3D2048/sign=3da6584ff2deb48ffb69a6dec4273b29/960a304e251f95ca11945098c8177f3e670952bf.jpg";
            object.desc = "这是list描述信息";

            _dataSource.add(object);
        }

        MyAdapter listAdapter = new MyAdapter(_dataSource, this);
        _gridView.setAdapter(listAdapter);

        _gridView.setOnItemClickListener(new AdapterView.OnItemClickListener() {

            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
                ObjectEntity data = _dataSource.get(position);

                Toast.makeText(getApplicationContext(),
                        data.desc,
                        Toast.LENGTH_SHORT).show();
            }
        });
    }
}

MyAdapter.java

package bbb.aaa.testgridview;

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.TextView;

import java.util.List;

public class MyAdapter extends BaseAdapter {

    private List<ObjectEntity> dataSourceArray;
    private Context activityContext;

    public MyAdapter(List<ObjectEntity> dataSource, Context context) {

        this.dataSourceArray = dataSource;
        this.activityContext = context;
    }

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

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

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

    @Override
    public View getView(int position, View convertView, ViewGroup parent) {

        if ( null == convertView )
        {
            LayoutInflater inflater = ((Activity)activityContext).getLayoutInflater();
            convertView = inflater.inflate(R.layout.gridview_item, null);
        }

        ObjectEntity data = dataSourceArray.get(position);

        TextView info = (TextView)convertView.findViewById(R.id.gridview_text);
        info.setText(data.desc);

        return convertView;
    }
}

ObjectEntity.java

package bbb.aaa.testgridview;

public class ObjectEntity
{
    public String imgUrl;
    public String desc;
}

activity_main.xml

<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">

    <TextView
        android:id="@+id/title_bar_text"
        android:layout_width="match_parent"
        android:layout_height="45dip"
        android:layout_alignParentTop="true"
        android:gravity="center_vertical|center_horizontal"
        android:text="12121212"
        android:textSize="20dip"
        android:textColor="#fff"/>
    <GridView
        android:id="@+id/grid_view"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:layout_below="@+id/title_bar_text"
        android:layout_marginLeft="1dip"
        android:layout_marginRight="1dip"
        android:numColumns="2"
        android:columnWidth="5dip"
        android:cacheColorHint="#00000000"
        ></GridView>

</RelativeLayout>

gridview_item.xml

<LinearLayout 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:paddingLeft="1dp"
android:paddingRight="1dp"
android:paddingTop="1dp"
android:paddingBottom="1dp"
android:orientation="vertical">

    <RelativeLayout
        android:orientation="vertical"
        android:layout_width="fill_parent"
        android:layout_height="80dp">

        <TextView
            android:id="@+id/gridview_text"
            android:layout_width="fill_parent"
            android:layout_height="80dp"
            android:text="登录"
            android:layout_alignParentTop="false"
            android:layout_centerInParent="true"
            android:gravity="center|center_vertical|center_horizontal"
            android:textStyle="bold|normal"
            android:textColor="@color/white_color"
            android:textSize="10dp"
            android:background="@color/clean_blue_color" />
    </RelativeLayout>
</LinearLayout>

color.xml

<?xml version="1.0" encoding="utf-8"?>
<resources>
    <color name="clean_blue_color">#21afe5</color>
    <color name="test_blue_color">#123456</color>
    <color name="white_color">#ffffff</color>
</resources>