1.10 状态选择器: 就是一个xml配置文件

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<?xml version="1.0" encoding= "utf-8"?>

<item android:state_pressed ="true"

android:drawable= "@color/gray" />

<item android:state_focused ="true"

android:drawable= "@color/gray" />

</selector>

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<?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"

android:background="@drawable/home_item_selector"

android:gravity="center"

<ImageView

android:id= "@+id/iv_item_icon"

android:src= "@drawable/app"

android:layout_width= "55dip"

android:layout_height= "55dip"

<TextView

android:id= "@+id/tv_item_name"

android:layout_width= "wrap_content"

android:layout_height= "wrap_content"

android:text="手机防盗"

android:textColor= "#000000"

android:textSize= "16sp"

</LinearLayout>

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public class MainActivity extends Activity {

private GridView gv_home;

private String[] names = { "手机防盗", "通讯卫士" , "软件管理" , "进程管理" , "流量统计" , "手机杀毒" ,

"系统优化", "高级工具" , "程序设置" };

private int[] icons = { R.drawable. icon_safe_selector, R.drawable.icon_call_selector ,

R.drawable. icon_app_selector, R.drawable.icon_task_selector ,R.drawable.icon_net_selector, R.drawable.icon_trojan_selector ,

R.drawable. icon_sys_selector, R.drawable.icon_atools_selector , R.drawable.icon_setting_selector };

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout. activity_main);

gv_home=(GridView) findViewById(R.id. gv_home);

//填充界面

gv_home.setAdapter(new HomeAdapter());

//跳转模块界面

gv_home.setOnItemClickListener( new OnItemClickListener() {

@Override

public void onItemClick(AdapterView<?> parent, View view,

int position, long id) {

switch (position) {

case 8:

Intent intent_setting= new Intent(MainActivity.this,SettingActivity.class );

startActivity(intent_setting);

break;

}

});

}

/**

* 创建适配器

* @author Administrator

private class HomeAdapter extends BaseAdapter{

@Override

public int getCount() {

return names. length;

}

@Override

public View getView( int position, View convertView, ViewGroup parent) {

//创建填充器

View view = View. inflate(getApplicationContext(), R.layout.grid_home_item, null );

ImageView iv_item_icon=(ImageView) view.findViewById(R.id.iv_item_icon );

TextView tv_item_name=(TextView) view.findViewById(R.id.tv_item_name );

iv_item_icon.setImageResource( icons[position]);

tv_item_name.setText( names[position]);

return view;

}

@Override

public Object getItem( int position) {

// TODO Auto-generated method stub

return null;

}

@Override

public long getItemId( int position) {

// TODO Auto-generated method stub

return 0;

}