由于需要用到“删除图片”的功能，需要写这样一个小demo:

对之前博文的修改

发现imageView监听点击事件 效果实在不敢恭维，因此换个方式：设置Touch的监听函数, 下面的Demo没有改过来哈，自行更改哈~~~

注意当你点击的时候会产生两个Touch,一个Down,一个Up,只要处理一个就可以了~~~

imageView2.setOnTouchListener(new OnTouchListener() {@Overridepublic boolean onTouch(View v, MotionEvent event) {// TODO Auto-generated method stubif (event.getAction() == MotionEvent.ACTION_DOWN){Log.d("dsd", "被点了");Log.d("dsd", "data的大小: " + data.size() + ", position: " + position);data.remove(position);simpleAdapter.notifyDataSetChanged();//gridView.setAdapter(simpleAdapter);return true;}return false;}});

效果图：点击右上方的“X”即可将图片从GridView中删除

其实每个Item的布局文件时个FrameLayout, 里面有两个ImageView，一个在底一个在上

/gridviewtest/res/layout/gridview_item.xml

<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"android:layout_width="match_parent"android:layout_height="match_parent" ><ImageView android:id="@+id/imageview1"android:layout_width="fill_parent"android:layout_height="fill_parent"android:scaleType="fitXY"android:background="#F12A3A"/><ImageViewandroid:id="@+id/imageview2"android:layout_width="40dip"android:layout_height="40dip"android:layout_gravity="right|top"/></FrameLayout>

主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"android:paddingBottom="@dimen/activity_vertical_margin"android:paddingLeft="@dimen/activity_horizontal_margin"android:paddingRight="@dimen/activity_horizontal_margin"android:paddingTop="@dimen/activity_vertical_margin"tools:context=".MainActivity" ><GridView android:layout_width="fill_parent"android:layout_height="fill_parent"android:id="@+id/my_gridview"android:listSelector="@android:color/black"android:verticalSpacing="10dp"android:horizontalSpacing="10dip"android:numColumns="3"android:stretchMode="columnWidth"/></RelativeLayout>

MainActivity.java

package com.example.gridviewtest;import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;import android.os.Bundle;
import android.app.Activity;
import android.content.Context;
import android.content.res.Resources;
import android.database.DataSetObserver;
import android.graphics.Bitmap;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.GridView;
import android.widget.ImageView;
import android.widget.ListAdapter;
import android.widget.SimpleAdapter;
import android.widget.Toast;public class MainActivity extends Activity {private List<Map<String, Object>> data = null;private GridViewAdapter simpleAdapter = null;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);GridView gridView = (GridView) findViewById(R.id.my_gridview);data = new ArrayList<Map<String,Object>>();Map<String, Object> map = new HashMap<String, Object>();map.put("imageview1", R.drawable.tt);map.put("imageview2", R.drawable.cha);data.add(map);data.add(map);data.add(map);data.add(map);data.add(map);data.add(map);data.add(map);simpleAdapter = new GridViewAdapter(getApplicationContext(), data, R.layout.gridview_item, new String[]{"imageview1","imageview2"}, new int[]{R.id.imageview1,R.id.imageview2});gridView.setAdapter(simpleAdapter);}@Overridepublic boolean onCreateOptionsMenu(Menu menu) {// Inflate the menu; this adds items to the action bar if it is present.getMenuInflater().inflate(R.menu.main, menu);return true;}public void addItem(Bitmap bitmap) {Map<String, Object> item = new HashMap<String, Object>();item.put("imageview1", bitmap);//添加图像item.put("imageview2", R.drawable.cha);data.add(item);simpleAdapter.notifyDataSetChanged();}private class GridViewAdapter extends SimpleAdapter{private Context context = null;private int pos;public GridViewAdapter(Context context,List<? extends Map<String, ?>> data, int resource,String[] from, int[] to) {super(context, data, resource, from, to);this.context = context;// TODO Auto-generated constructor stub}@Overridepublic View getView(final int position, View convertView, ViewGroup parent) {// TODO Auto-generated method stubView view = super.getView(position, convertView, parent);ImageView imageView = (ImageView) view.findViewById(R.id.imageview2);imageView.setOnClickListener(new OnClickListener() {@Overridepublic void onClick(View v) {// TODO Auto-generated method stubToast.makeText(context, "我被点击了", Toast.LENGTH_SHORT).show();data.remove(position);simpleAdapter.notifyDataSetChanged();}});return view;}}
}

demo源码：http://download.csdn.net/detail/u011133213/5914887