code: package com.fdu.se.sootanalyze.utils;
  
  public class StringUtil {
      /**
       * convert initial target activity, for example class "Lorg/openintents/notepad/PreferenceActivity;"
       * @param classStr
       * @return
       */
      public static String convertToAct(String classStr){
          int len = classStr.length();
          String str = classStr.substring(8, len - 2);
          return str.replace('/', '.');
      }
  
      public static String convertToLabel(String apkPath){
          String[] nameArray = null;
          if(apkPath.contains("/")){
              nameArray = apkPath.split("/");
          }else{
              nameArray = apkPath.split("\\\\");
          }
          String appFullName = nameArray[nameArray.length - 1];
          int length = appFullName.length();
          return appFullName.substring(0, length - 4);
      }
  }
  