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  • GridView

    <?xml version="1.0" encoding="utf-8"?>
    <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:orientation="vertical" >
    
        <GridView
            android:id="@+id/gridview"
            android:layout_width="wrap_content"
            android:layout_height="fill_parent"
            android:horizontalSpacing="10dp"
            android:numColumns="4"
            android:layout_marginTop="30dp"
            android:verticalSpacing="10dp" >
        </GridView>
    
    </LinearLayout>
    <?xml version="1.0" encoding="utf-8"?>
    <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:background="#000000"
        android:gravity="center"
        android:orientation="vertical" >
    
        <ImageView
            android:id="@+id/img"
            android:layout_width="50dp"
            android:layout_height="60dp"
            android:src="@drawable/ic_launcher" />
    
        <TextView
            android:id="@+id/text"
            android:layout_width="wrap_content"
            android:layout_height="60dp"
            android:text="文字"
            android:textColor="#ffffff"
            android:textSize="15dp" />
    
    </LinearLayout>

    // 1准备数据源

    private int[] icon = { R.drawable.ic_books, R.drawable.ic_browser,
                R.drawable.ic_calculator, R.drawable.ic_calendar,
                R.drawable.ic_camera, R.drawable.ic_messages,
                R.drawable.ic_contacts, R.drawable.ic_gallery, R.drawable.ic_mail,
                R.drawable.ic_maps, R.drawable.ic_market,
                R.drawable.ic_moviestudio, R.drawable.ic_music, R.drawable.ic_talk,
                R.drawable.ic_phone, R.drawable.ic_settings };
        private String[] iconName = { "阅读器", "浏览器", "计算器", "日历", "照相机", "短信", "协议",
                "画廊", "邮件", "地图", "市场", "电影院", "音乐", "语音", "拨号", "设置" };

    // 2新建适配器(SimpleAdapter)

    // 3GridView加载适配器
    // 4GridView配置时间监听器,(OnItemOnClickListener)

    public class MainActivity extends Activity implements OnItemClickListener {
        private GridView gridView;
        private List<Map<String, Object>> datalist;
        private SimpleAdapter simpleAdapter;
        private int[] icon = { R.drawable.ic_books, R.drawable.ic_browser,
                R.drawable.ic_calculator, R.drawable.ic_calendar,
                R.drawable.ic_camera, R.drawable.ic_messages,
                R.drawable.ic_contacts, R.drawable.ic_gallery, R.drawable.ic_mail,
                R.drawable.ic_maps, R.drawable.ic_market,
                R.drawable.ic_moviestudio, R.drawable.ic_music, R.drawable.ic_talk,
                R.drawable.ic_phone, R.drawable.ic_settings };
        private String[] iconName = { "阅读器", "浏览器", "计算器", "日历", "照相机", "短信", "协议",
                "画廊", "邮件", "地图", "市场", "电影院", "音乐", "语音", "拨号", "设置" };
    
        @Override
        protected void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);
            setContentView(R.layout.main);
            gridView = (GridView) findViewById(R.id.gridview);
          
            datalist = new ArrayList<Map<String, Object>>();// 数据源的集合申明出来
    
            simpleAdapter = new SimpleAdapter(this, getData(), R.layout.item,
                    new String[] { "img", "text" },
                    new int[] { R.id.img, R.id.text });
            gridView.setAdapter(simpleAdapter);
            gridView.setOnItemClickListener(this);
    
        }
    
        private List<Map<String, Object>> getData() {
            // TODO Auto-generated method stub
            for (int i = 0; i < icon.length; i++) {
    //按照数组的长度,把里面的信息全都输出出来。 Map
    <String, Object> map = new HashMap<String, Object>(); map.put("img", icon[i]); map.put("text", iconName[i]); datalist.add(map); } return datalist; // 要是返回datalist,则 为List<Map<String, Object>> } @Override public void onItemClick(AdapterView<?> parent, View view, int position, long id) { // TODO Auto-generated method stub Toast.makeText(MainActivity.this, iconName[position], Toast.LENGTH_SHORT).show(); }// iconName[position]就是脚注 }

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  • 原文地址:https://www.cnblogs.com/yi-mi-yangguang/p/5787231.html
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