GridView

android控件

属性

• numColumns 列数设置
• columnWidth 每列的宽度
• stretchMode 缩放模式
• verticalSpacing 垂直边距
• horizontalSpacing 水平边距

代码

主界面

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
              android:orientation="vertical"
              android:layout_width="match_parent"
              android:layout_height="match_parent">
    <GridView
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:id="@+id/gridView"
            android:numColumns="auto_fit"
            android:columnWidth="80dp"
            android:stretchMode="columnWidth"/>
</LinearLayout>

列表项

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
              android:layout_width="wrap_content"
              android:layout_height="wrap_content"
              android:orientation="vertical"
              android:gravity="center"
              android:padding="10dp">
    <ImageView
            android:src="@drawable/ic_launcher"
            android:id="@+id/GridItemImage"
            android:layout_width="60dp"
            android:layout_height="60dp"/>
    <TextView
            android:id="@+id/GridItemText"
            android:layout_marginTop="5dp"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textColor="#000000"
            android:text="文字"
            />
</LinearLayout>

后台代码

package com.testapp.app;
import android.app.Activity;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.os.Bundle;
import android.provider.Settings;
import android.view.View;
import android.widget.AdapterView;
import android.widget.GridView;
import android.widget.SimpleAdapter;
import android.widget.Toast;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
/**
 * Created by develop on 2015/10/28.
 */
public class GridViewActivity extends Activity {
    private int[] icon = {
            R.drawable.loll01, R.drawable.loll02, R.drawable.loll03, R.drawable.loll04, R.drawable.loll05,
            R.drawable.loll06, R.drawable.loll07, R.drawable.loll08, R.drawable.loll09
    };
    private String[] iconName = {
            "通讯录", "日历", "照相机", "时钟", "游戏",
            "短信", "铃声", "设置", "语音"
    };
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.gridview);
        final GridView gview = (GridView) findViewById(R.id.gridView);
        List<Map<String, Object>> datas = new ArrayList<Map<String, Object>>();
        Integer num = icon.length;
        //模拟数据
        for (int i = 0; i < num; i++) {
            Map<String, Object> map = new HashMap<String, Object>();
            map.put("ItemImg", icon[i]);
            map.put("ItemText", iconName[i]);
            datas.add(map);
        }
        SimpleAdapter sim_adapter = new SimpleAdapter(this, datas,
                R.layout.griditem,
                new String[]{"ItemImg", "ItemText"},
                new int[]{R.id.GridItemImage, R.id.GridItemText}
        );
        //配置适配器
        gview.setAdapter(sim_adapter);
        //设置点击事件
        gview.setOnItemClickListener(new AdapterView.OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
                HashMap<String, Object> map = (HashMap<String, Object>) gview.getItemAtPosition(position);
                String content = (String) map.get("ItemText");
                Toast.makeText(getApplicationContext(),
                        "你选择了第" + (position + 1) + "个Item，名字是:" + content,
                        Toast.LENGTH_SHORT).show();
            }
        });
    }
}

效果图