参考代码:http://blog.csdn.net/hellogv/article/details/4567095
package com.main; import java.util.ArrayList; import java.util.HashMap; import android.app.Activity; import android.os.Bundle; import android.view.View; import android.widget.AdapterView; import android.widget.GridView; import android.widget.ImageView; import android.widget.SimpleAdapter; import android.widget.AdapterView.OnItemClickListener; public class GridViewTestActivity extends Activity { private GridView gv; private ImageView iv; /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); iv = (ImageView)findViewById(R.id.imageView); gv = (GridView) findViewById(R.id.gridView); Integer itemImage[] = { R.drawable.menu01_lanya, R.drawable.menu02_wifi, R.drawable.menu03_recorder, R.drawable.menu04_alarm, R.drawable.menu05_music, R.drawable.menu06_file, R.drawable.menu07_calculator, R.drawable.menu08_photo, R.drawable.menu09_background }; String itemText[] = { "蓝牙", "WIFI", "录音", "闹钟", "音乐", "文件管理", "计算器", "图片", "桌面背景" }; SimpleAdapter sa = this.createSimpleAdapter(itemImage, itemText); gv.setAdapter(sa); gv.setOnItemClickListener(new MyOnClicListener()); } public SimpleAdapter createSimpleAdapter(Integer itemImage[],String itemText[]){ SimpleAdapter sa = null; ArrayList<HashMap<String, Object>> arraylist = new ArrayList<HashMap<String, Object>>(); for(int i=0;i<itemImage.length;i++){ HashMap<String, Object> hm = new HashMap<String, Object>(); hm.put("ItemImage",itemImage[i]); hm.put("ItemText", itemText[i]); arraylist.add(hm); } sa = new SimpleAdapter(this, // 没什么解释 arraylist,// 数据来源 R.layout.night_item,// night_item的XML实现 // 动态数组与ImageItem对应的子项 new String[] { "ItemImage", "ItemText" }, // ImageItem的XML文件里面的一个ImageView,两个TextView ID new int[] { R.id.ItemImage, R.id.ItemText }); return sa; } public class MyOnClicListener implements OnItemClickListener { @Override public void onItemClick(AdapterView<?> arg0,// The AdapterView where the // click happened View arg1,// The view within the AdapterView that was clicked int arg2,// The position of the view in the adapter long arg3// The row id of the item that was clicked ) { System.out.println("你点击了" + (arg2 + 1)); HashMap<String,Object> hm = (HashMap<String,Object>)arg0.getItemAtPosition(arg2); String text = (String)hm.get("ItemText"); Integer imageID = (Integer)hm.get("ItemImage"); System.out.println("text="+text); iv.setBackgroundDrawable(GridViewTestActivity.this.getResources().getDrawable(imageID)); } } }
main.xml
<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent" android:background="@drawable/bg03" android:orientation="vertical" > <ImageView android:id="@+id/imageView" android:layout_width="fill_parent" android:layout_height="100px" android:layout_alignParentBottom="true" android:width="240px" android:background="@drawable/img2"/> <GridView xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/gridView" android:layout_width="fill_parent" android:layout_height="fill_parent" android:columnWidth="40px" android:gravity="center" android:horizontalSpacing="10px" android:numColumns="3" android:padding="10px" android:stretchMode="columnWidth" android:verticalSpacing="10px" > </GridView> </LinearLayout>
night_item.xml
<?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="wrap_content" android:paddingBottom="4dip" > <ImageView android:id="@+id/ItemImage" android:layout_width="50px" android:layout_height="50px" android:layout_centerHorizontal="true" > </ImageView> <TextView android:id="@+id/ItemText" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_below="@+id/ItemImage" android:layout_centerHorizontal="true" android:text="TextView01" > </TextView> </RelativeLayout>