Android开发之获取所有软件信息

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();    }  }