CoreUtil.java 文件源码

/**
 * Determined installation location
 * @param PreferenceActivity activity
 * @return true == external storage, false == internal stroage
 */
public static boolean isExtraStroage(PreferenceActivity activity)
{
  boolean flag = false;
  if(Integer.parseInt(Build.VERSION.SDK) >= 8)
  {
    // use Reflection to avoid errors (for cupcake 1.5)
    Method MethodList[] = activity.getClass().getMethods();
    for(int checkMethod = 0; checkMethod < MethodList.length; checkMethod++)
    {
      if(MethodList[checkMethod].getName().indexOf("ApplicationInfo") != -1)
      {
        try{
          if((((ApplicationInfo) MethodList[checkMethod].invoke(activity , new Object[]{})).flags & 0x40000 /* ApplicationInfo.FLAG_EXTERNAL_STORAGE*/ ) != 0 )
            flag = true;
        }
        catch(Exception e) {}
      }
    }
  }
  return flag;
}