学步园

		List<AppInfo> arrayList = new ArrayList<AppInfo>();
		List<PackageInfo> list = getPackageManager().getInstalledPackages(0);
		for (int i = 0; i < list.size(); i++) {
			PackageInfo packageInfo = list.get(i);
			AppInfo tmpInfo = new AppInfo();
			tmpInfo.appName = packageInfo.applicationInfo.loadLabel(
					getPackageManager()).toString();
			tmpInfo.packageName = packageInfo.packageName;
			tmpInfo.versionName = packageInfo.versionName;
			tmpInfo.versionCode = packageInfo.versionCode;
			tmpInfo.size = Integer.valueOf((int) new File(
					packageInfo.applicationInfo.publicSourceDir).length());
			tmpInfo.appIcon = packageInfo.applicationInfo
					.loadIcon(getPackageManager());

			if ((packageInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0) {
					arrayList.add(tmpInfo);	
			}
		}