程序运行效果图：
程序代码：
~~~
/**
* 获取所有软件信息
* 1.通过异步的方式显示系统中所有软件
* 2.单击打开指定软件
* 3.将所有软件的包名和activity名保存的本地SharedPreferences
* @author jph
* Date:2014.09.21
*/
public class ScanPackage1 extends Activity {
/**扫描成功**/
private final static int FLAG_LOAD_SUCCESS=0x10001;
private final static int SCANNING=0x10002;
private ListView list;
private List<Map<String, Object>>items=new ArrayList<Map<String,Object>>();
private SimpleAdapter adapter;
// 取得所有安装软件信息
private List<PackageInfo> allPackageInfos;
// 取得自己安装的软件信息
private List<PackageInfo> userPackageInfos;
// 取得系统安装的软件信息
private List<PackageInfo> sysPackageInfos;
Handler mHandler=new Handler(){
@Override
public void handleMessage(Message msg) {
// TODO Auto-generated method stub
switch (msg.what) {
case FLAG_LOAD_SUCCESS://完成扫描
break;
case SCANNING://正在扫描
items.add((Map<String, Object>) msg.obj);
//通知适配器数据改变
adapter.notifyDataSetChanged();
break;
default:
break;
}
}
};
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.sp_layout);
list=(ListView)findViewById(R.id.list);
new ScanThread().start();
adapter=new SimpleAdapter(this, items, R.layout.line, new String[]{
"imgIco","appName","packageName"
}, new int[]{R.id.imgIco,R.id.tvAppName,R.id.tvAppDesc});
list.setAdapter(adapter);
//ViewBinder该类可以帮助SimpleAdapter加载图片(如：Bitmap,Drawable)
adapter.setViewBinder(new ViewBinder() {
@Override
public boolean setViewValue(View view, Object data,
String textRepresentation) {
// TODO Auto-generated method stub
if(view instanceof ImageView && data instanceof Drawable){
ImageView iv = (ImageView) view;
iv.setImageDrawable((Drawable) data);
return true;
}else{
return false;
}
}
});
list.setOnItemClickListener(new OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> arg0, View arg1, int arg2,
long arg3) {
// TODO Auto-generated method stub
try {
PackageInfo pInfo=allPackageInfos.get(arg2);
Intent intent=new Intent();
intent.setComponent(new ComponentName(pInfo.packageName, pInfo.activities[0].name));
startActivity(intent);
} catch (Exception e) {
// TODO: handle exception
e.printStackTrace();
}
}
});
}
// *********--------*创建一个线程加载安装程序*--------------***********//
private class ScanThread extends Thread {
@Override
public void run() {
// 取得系统安装所有软件信息
allPackageInfos = getPackageManager().getInstalledPackages(
PackageManager.GET_UNINSTALLED_PACKAGES
| PackageManager.GET_ACTIVITIES);
// 定义用户安装软件信息包
userPackageInfos = new ArrayList<PackageInfo>();
// 定义系统安装软件信息包
sysPackageInfos = new ArrayList<PackageInfo>();
// 循环取出所有软件信息
for (int i = 0; i < allPackageInfos.size(); i++) {
// 得到每个软件信息
PackageInfo temp = allPackageInfos.get(i);
ApplicationInfo appInfo = temp.applicationInfo;
if ((appInfo.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0
|| (appInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) {
//系统软件
sysPackageInfos.add(temp);
} else {
//用户自己安装软件
userPackageInfos.add(temp);
}
//获取程序的图标
Drawable ico=ScanPackage1.this.getPackageManager().getApplicationIcon(appInfo);
//获取程序的名称
String appName=(String) ScanPackage1.this.getPackageManager().getApplicationLabel(appInfo);
Map<String, Object>item=new HashMap<String, Object>();
//获取程序的包名
String packageName=appInfo.packageName;
item.put("imgIco", ico);
item.put("appName", appName);
item.put("packageName", packageName);
Message message = new Message();
message.what =SCANNING;
message.obj = item;
mHandler.sendMessage(message);
}
saveInfo(sysPackageInfos, userPackageInfos);
mHandler.sendEmptyMessage(FLAG_LOAD_SUCCESS);
}
};
/**
* 将系统中所装程序的信息写入到配置文件
* @param sysPackageInfos 系统安装软件信息包
* @param userPackageInfos 用户安装软件信息包
*/
private void saveInfo(List<PackageInfo> sysPackageInfos,List<PackageInfo> userPackageInfos) {
//将用户安装的软件添加到添加到系统软件的集合中
sysPackageInfos.addAll(userPackageInfos);
SharedPreferences sp = this.getSharedPreferences("appInfs",
MODE_PRIVATE);
Editor editor = sp.edit();
for (int i = 0; i < sysPackageInfos.size(); i++) {
try {
//获取程序的包名
String packageName = sysPackageInfos.get(i).packageName;
// 取出activity信息
ActivityInfo activityInfo = sysPackageInfos.get(i).activities[0];
// 取出activity名字
String activityName=activityInfo.name;
//将程序的信息写入到配置文件
editor.putString(packageName, activityName);
} catch (Exception e) {
// TODO: handle exception
e.printStackTrace();
}
}
editor.commit();
}
}
~~~
