android 获取本应用详细系统参数

 

PackageInfo pf = null;
  pf = getConfiguration(pf);
  Log.i("PackageInfo", pf.versionCode + pf.packageName + pf.versionName);

/**
  * 获取本应用的配置信息
  *
  * @param pf
  * @return
  */
 public PackageInfo getConfiguration(PackageInfo pf) {
  try {
   pf = getPackageManager().getPackageInfo(this.getPackageName(), 0);
  } catch (NameNotFoundException e) {
   e.printStackTrace();
  }
  return pf;
 }