单击一个应用图标显示其它应用图标，单击其它应用图标则进入对应事件

package zte.com.cn.ideas;

import android.app.Activity;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.graphics.drawable.Drawable;
import android.net.Uri;
import android.os.Bundle;
import android.view.Gravity;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.BaseAdapter;
import android.widget.GridView;
import android.widget.TextView;

public class Ideas extends Activity implements GridView.OnItemClickListener
{
private GridView mGV;
private TextAdapter mTA;
private Integer[] mImageIds =
{
R.drawable.portalmovil,R.drawable.mitelcel,R.drawable.ipromociones,R.drawable.msngr,R.drawable.plugger,
R.drawable.ideasmusik,R.drawable.ijuegos,R.drawable.iapps,R.drawable.ideportes,R.drawable.iradio,
R.drawable.ivideo,R.drawable.itelcel,R.drawable.itv,R.drawable.itonos,R.drawable.iimagenes

};
private Integer[] mText =
{
R.string.portalmovil,R.string.mitelcel,R.string.ipromociones,R.string.msngr,R.string.plugger,
R.string.ideasmusik,R.string.ijuegos,R.string.iapps,R.string.ideportes,R.string.iradio,
R.string.ivideo,R.string.itelcel,R.string.itv,R.string.itonos,R.string.iimagenes
};
public class TextAdapter extends BaseAdapter
{
private Context mContext;
public TextAdapter(Context mContext)
{
this.mContext = mContext;
}
public int getCount()
{
// TODO Auto-generated method stub
return mImageIds.length;
}
public Object getItem(int position)
{
// TODO Auto-generated method stub
return position;
}
public long getItemId(int position)
{
// TODO Auto-generated method stub
return position;
}
public View getView(int position, View convertView, ViewGroup parent)
{
// TODO Auto-generated method stub
final TextView textView = new TextView(mContext);
Drawable ico;
ico = getResources().getDrawable(mImageIds[position]);
//图片在这个textView出现的上、下、左、右位置
textView.setCompoundDrawablesWithIntrinsicBounds(null, ico, null, null);
textView.setText(mText[position]);
//文字的位置
textView.setGravity(Gravity.CENTER);
textView.setHeight(80);
return textView;
}
}
protected void onCreate(Bundle savedInstanceState)
{
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
setContentView(R.layout.main);

mGV = (GridView)findViewById(R.id.grid);
mTA = new TextAdapter(this);

mGV.setAdapter(mTA);
mGV.setOnItemClickListener(this);
mGV.setSelection(0);
}
//此函数根据网格布局每一格有一个固定的position来访问（网格从左到右position=0,1,2）
public void onItemClick(AdapterView<?> arg0, View arg1, int position, long arg3)
{
String portalmovil = "http://www.telcel.com";
String mitelcel = "http://mitelcel.telcel.com";
String ipromociones = "http://promo.telcel.com";
String msngr = "http://messenger.telcel.com/get";
String plugger = "http://mx.plugger.com";
String ideasmusik = "http://musica.telcel.com";
String ijuegos = "http://juegos.telcel.com";
String iapps = "http://apps.telcel.com";
String ideportes = "http://deportes.telcel.com";

String iradio = "com.Mobzilla.Player";
String iradio01 = "com.Mobzilla.Player.MobzillaPlayerActivity";

String ivideo = "http://videos.telcel.com";

String itelcel = "com.android.email";
String itelcel01 = "com.android.email.activity.setup.AccountSetupBasics";

String itv = "com.rok.rokplayer.android";
String itv01 = "com.rok.rokplayer.android.activity.SplashActivity";

String itonos = "http://tonos.telcel.com";
String iimagenes = "http://imagenes.telcel.com";
switch(position)
{
case 0:	startWeb(portalmovil); break;
case 1: startWeb(mitelcel); break;
case 2:	startWeb(ipromociones); break;
case 3:	startWeb(msngr); break;
case 4:	startWeb(plugger); break;
case 5:	startWeb(ideasmusik); break;
case 6:	startWeb(ijuegos); break;
case 7:	startWeb(iapps); break;
case 8:	startWeb(ideportes); break;
case 9: startApk(iradio , iradio01); break;
case 10:startWeb(ivideo); break;
case 11:startApk(itelcel , itelcel01); break;
case 12:startApk(itv,itv01);break;
case 13:startWeb(itonos); break;
case 14:startWeb(iimagenes); break;
default: break;
}
}
public void startWeb(String strur1)
{
Uri uri= Uri.parse(strur1);
Intent intent = new Intent(Intent.ACTION_VIEW,uri);
startActivity(intent);
}
public void startApk(String packages,String mainactivity)
{
Intent mIntent = new Intent();
ComponentName comp = new ComponentName(packages,mainactivity);
mIntent.setComponent(comp);
mIntent.setAction("android.intent.action.MAIN");
//加了下面一句，则点击Ideas里面的itv,再按Home。再点击Ideas，会回到Ideas列表，不加此句的话，只会回到Ideas里面的itv客户端
mIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
startActivity(mIntent);
}
}

<?xml version="1.0" encoding="utf-8"?>
<AbsoluteLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:id="@+id/widget"
android:descendantFocusability="beforeDescendants"
android:drawingCacheQuality="auto"
>
<GridView
android:id="@+id/grid"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:numColumns="3"
android:clickable="true"
android:padding="10dip"
android:horizontalSpacing="10dip"
android:verticalSpacing="15dip"
android:scrollbarStyle="outsideInset"
android:gravity="fill"
android:fitsSystemWindows="true">
</GridView>
</AbsoluteLayout>