22 GridView 02-白红宇

22 GridView 02

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发布时间：2019-06-14

本文共 3839 字，大约阅读时间需要 12 分钟。

GridView 一种是直接用simpleAdapt，另一种是自己写一个myAdapt 继承baseAdapt.这里是第二个例子。

http://fonter.iteye.com/blog/781403

package com.grid.test;import java.util.ArrayList;import java.util.List;import android.app.Activity;import android.os.Bundle;import android.widget.GridView;public class GridTest extends Activity {    private GridView gridview ;    private List
     
       list;    private GridAdapter adapter;    /** Called when the activity is first created. */    @Override    public void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.gridlayout);        gridview = (GridView) findViewById(R.id.gridview);         list = new ArrayList
      
       ();        list.add(new GridInfo("name1"));        list.add(new GridInfo("name2"));        list.add(new GridInfo("name3"));        list.add(new GridInfo("name4"));        list.add(new GridInfo("name5"));        list.add(new GridInfo("name6"));        list.add(new GridInfo("name6"));        list.add(new GridInfo("name7"));        list.add(new GridInfo("name8"));        list.add(new GridInfo("name9"));        list.add(new GridInfo("name10"));        adapter = new GridAdapter(this);        adapter.setList(list);        gridview.setAdapter(adapter);    }}

package com.grid.test;/** * Copyright (C) 2010,Under the supervision of China Telecom Corporation * Limited Guangdong Research Institute * The New Vphone Project * @Author fonter.yang * @Create date：2010-10-11 *  */public class GridInfo {    private String name;        public GridInfo(String name) {        super();        this.name = name;    }    public String getName() {        return name;    }    public void setName(String name) {        this.name = name;    }    }

3、Adapter 实现

package com.grid.test;import java.util.List;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;/** * Copyright (C) 2010,Under the supervision of China Telecom Corporation Limited * Guangdong Research Institute The New Vphone Project *  * @Author fonter.yang * @Create date：2010-10-11 *  */public class GridAdapter extends BaseAdapter {    private class GridHolder {        ImageView appImage;        TextView appName;    }    private Context context;    private List
     
       list;    private LayoutInflater mInflater;    public GridAdapter(Context c) {        super();        this.context = c;    }    public void setList(List
      
        list) {        this.list = list;        mInflater = (LayoutInflater) context                .getSystemService(Context.LAYOUT_INFLATER_SERVICE);    }    public int getCount() {        // TODO Auto-generated method stub        return list.size();    }    @Override    public Object getItem(int index) {        return list.get(index);    }    @Override    public long getItemId(int index) {        return index;    }    @Override    public View getView(int index, View convertView, ViewGroup parent) {        GridHolder holder;        if (convertView == null) {               convertView = mInflater.inflate(R.layout.grid_item, null);               holder = new GridHolder();            holder.appImage = (ImageView)convertView.findViewById(R.id.itemImage);            holder.appName = (TextView)convertView.findViewById(R.id.itemText);            convertView.setTag(holder);           }else{             holder = (GridHolder) convertView.getTag();           }        GridInfo info = list.get(index);        if (info != null) {               holder.appName.setText(info.getName());        }        return convertView;    }}

4单个组件的XML