我的手机管家（1） 主界面

<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:layout_gravity="center_horizontal"
tools:context=".MainActivity" >

<TextView
android:id="@+id/textView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_alignParentTop="true"
android:layout_alignParentRight="true"
android:text="安全应用中心"
android:textColor="#ffffff"
android:background="#32921C"
android:textSize="24sp"
android:gravity="center_horizontal"
android:textAppearance="?android:attr/textAppearanceLarge" />

<ImageView
android:id="@+id/imageView1"
android:layout_width="match_parent"
android:layout_height="300dp"
android:layout_below="@id/textView1"
android:src="@drawable/d" />

<GridView
android:gravity="center"
android:id="@+id/gridView1"
android:background="#FFFFFF"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_below="@+id/imageView1"
android:layout_alignParentBottom="true"
android:numColumns="3" >
</GridView>

</RelativeLayout>

package com.chb.myphonesave.adapter;

import java.util.List;
import java.util.Map;

import com.chb.myphonesave.R;

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;

public class MyGrdViewAdapter extends BaseAdapter {
private List<Map<String, Object>> list;
private LayoutInflater lInflater;
public MyGrdViewAdapter(Context context, List<Map<String, Object>> list){
lInflater = LayoutInflater.from(context);
this.list = list;
}

@Override
public int getCount() {
// TODO Auto-generated method stub
return list.size();
}

@Override
public Object getItem(int position) {
// TODO Auto-generated method stub
return list.get(position);
}

@Override
public long getItemId(int position) {
// TODO Auto-generated method stub
return position;
}

@Override
public View getView(int position, View convertView, ViewGroup parent) {
ViewHandler vHandler = null;
if(convertView == null){
vHandler = new ViewHandler();
convertView = lInflater.inflate(R.layout.gv_item, null);
vHandler.iv = (ImageView)convertView.findViewById(R.id.gv_item_iv);
vHandler.tv = (TextView)convertView.findViewById(R.id.gv_item_tv);
convertView.setTag(vHandler);
}else {
vHandler = (ViewHandler) convertView.getTag();
}
int gv_item_iv = (Integer) list.get(position).get("gv_item_iv");//图片资源id
String gv_item_tv = (String) list.get(position).get("gv_item_tv");//文字
vHandler.iv.setBackgroundResource(gv_item_iv);
vHandler.tv.setText(gv_item_tv);
return convertView;
}
//优化缓存
private class ViewHandler{
ImageView iv;
TextView tv;
}
}

package com.chb.myphonesave.activity;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import android.app.Activity;
import android.os.Bundle;
import android.util.Log;
import android.view.Menu;
import android.view.View;
import android.view.Window;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.GridView;

import com.chb.myphonesave.R;
import com.chb.myphonesave.adapter.MyGrdViewAdapter;

public class MainActivity extends Activity {
private GridView gridView;
private MyGrdViewAdapter adapter;
private String[] items;        //item字符串
private int[] gridview_imgs;    //item图片
private List<Map<String, Object>> item_list;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE);//无标题
setContentView(R.layout.activity_main);
initView();
}
/**
* 初始化组件
*/
private void initView() {
String[] items = getResources().getStringArray(R.array.gridview_item);//获取名称数组
gridview_imgs = new int[] {//gridView item 的图片
R.drawable.process_manager,R.drawable.cache_clean,R.drawable.app,
R.drawable.blacknumber,R.drawable.antivirus,R.drawable.traffic,
R.drawable.safe,R.drawable.settings,R.drawable.exit_icon
};
item_list = new ArrayList<Map<String, Object>>();
for (int i = 0; i < items.length; i++) {
Map<String, Object> map = new HashMap<String, Object>();
map.put("gv_item_tv", items[i]);
map.put("gv_item_iv", gridview_imgs[i]);
item_list.add(map);
}

gridView = (GridView) findViewById(R.id.gridView1);
adapter = new MyGrdViewAdapter(this, item_list);
gridView.setAdapter(adapter);
gridView.setOnItemClickListener(listener);
}

/**
* gridView item事件的监听
*/
private OnItemClickListener listener = new OnItemClickListener() {

@Override
public void onItemClick(AdapterView<?> parent, View view, int position,
long id) {
　　　　　　　//根据点击事件调到相应的功能界面
Log.i("tag", "item"+position+"被点击了"+item_list.get(position).get("gv_item_tv"));
}
};

@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.main, menu);
return true;
}

}

<string-array  name="gridview_item" >
<item >
<string name="progress_control">进程管理</string>
</item>

<item>
<string name="clean_rabish">垃圾清理</string>
</item>

<item>
<string name="app_control">应用管理</string>
</item>
<item>
<string name="saoraolanjie">骚扰拦截</string>
</item>
<item>
<string name="bingdusaomiao">病毒扫描</string>
</item>
<item>
<string name="wangluozhushou">网络助手</string>
</item>
<item>
<string name="shoujifangdao">手机防盗</string>
</item>
<item>
<string name="shezhizhongxin">设置中心</string>
</item>
<item>
<string name="exit">退出应用</string>
</item>
</string-array>

  String[] items = getResources()
　　　　　　　　　　.getStringArray(R.array.gridview_item);//获取名称数组