android 获取包信息

private static int testPackageInfo(Context context){    int localVersionCode = 9999;    try    {        PackageInfo packageInfo = context.getPackageManager().getPackageInfo(context.getPackageName(),0);        String localVersionName =packageInfo.versionName;

        System.out.print(localVersionName);        localVersionCode = packageInfo.versionCode;        System.out.print(localVersionCode);    }catch (Exception e)    {}    return localVersionCode;

}