Program: 24360
Project: 24360
Buggy source:
@Override public void onShow(DialogInterface dialog){
  Button b=alertDialog.getButton(AlertDialog.BUTTON_POSITIVE);
  b.setOnClickListener(new View.OnClickListener(){
    @Override public void onClick(    View view){
      String new_group=((EditText)add_rss_dialog.findViewById(R.id.group_edit)).getText().toString().trim().toLowerCase();
      boolean found=false;
      boolean new_group_mode=false;
      if (new_group.length() > 0) {
        new_group_mode=true;
        for (int i=0; i < current_groups.length; i++) {
          if ((current_groups[i].toLowerCase()).equals(new_group))           found=true;
        }
        String[] words=new_group.split("String_Node_Str");
        new_group="String_Node_Str";
        if (words.length == 1) {
          char cap=Character.toUpperCase(words[0].charAt(0));
          new_group+=cap + words[0].substring(1,words[0].length());
        }
 else {
          for (int i=0; i < words.length - 1; i++) {
            char cap=Character.toUpperCase(words[i].charAt(0));
            new_group+=cap + words[i].substring(1,words[i].length()) + "String_Node_Str";
          }
          char cap=Character.toUpperCase(words[words.length - 1].charAt(0));
          new_group+=cap + words[words.length - 1].substring(1,words[words.length - 1].length());
        }
      }
 else       new_group=((Spinner)add_rss_dialog.findViewById(R.id.group_spinner)).getSelectedItem().toString();
      Boolean rss=false;
      String URL_check=((EditText)add_rss_dialog.findViewById(R.id.URL_edit)).getText().toString().trim();
      String feed_name=((EditText)add_rss_dialog.findViewById(R.id.name_edit)).getText().toString().trim();
      File in=new File(get_filepath("String_Node_Str"));
      download_finished=0;
      new adownload_file().execute(URL_check,"String_Node_Str");
      while (download_finished == 0) {
        try {
          Thread.sleep(20);
        }
 catch (        Exception e) {
        }
      }
      if (Environment.MEDIA_MOUNTED.equals(Environment.getExternalStorageState())) {
        try {
          BufferedReader reader=new BufferedReader(new FileReader(in));
          try {
            for (int i=0; i < 3; i++) {
              String line=reader.readLine();
              if (line.contains("String_Node_Str")) {
                rss=true;
                break;
              }
 else               if ((line.contains("String_Node_Str")) || (line.contains("String_Node_Str"))) {
                rss=true;
                break;
              }
            }
          }
 catch (          Exception e) {
            rss=false;
          }
        }
 catch (        Exception e) {
          rss=false;
        }
      }
      if (rss != null && !rss)       toast_message("String_Node_Str",0);
 else {
        if ((!found) && (new_group_mode))         add_group(new_group);
        if (feed_name.equals("String_Node_Str")) {
          new parsered(get_filepath("String_Node_Str"));
          String[] title=read_csv_to_array("String_Node_Str",get_filepath("String_Node_Str"));
          feed_name=title[0];
          File temp=new File(get_filepath("String_Node_Str"));
          temp.delete();
        }
        add_feed(feed_name,URL_check,new_group);
        alertDialog.dismiss();
      }
      in.delete();
    }
  }
);
}

Fixed version (ground truth):
@Override public void onShow(DialogInterface dialog){
  Button b=alertDialog.getButton(AlertDialog.BUTTON_POSITIVE);
  b.setOnClickListener(new View.OnClickListener(){
    @Override public void onClick(    View view){
      String new_group=((EditText)add_rss_dialog.findViewById(R.id.group_edit)).getText().toString().trim().toLowerCase();
      boolean found=false;
      boolean new_group_mode=false;
      if (new_group.length() > 0) {
        new_group_mode=true;
        for (int i=0; i < current_groups.length; i++) {
          if ((current_groups[i].toLowerCase()).equals(new_group))           found=true;
        }
        String[] words=new_group.split("String_Node_Str");
        new_group="String_Node_Str";
        if (words.length == 1) {
          char cap=Character.toUpperCase(words[0].charAt(0));
          new_group+=cap + words[0].substring(1,words[0].length());
        }
 else {
          for (int i=0; i < words.length - 1; i++) {
            char cap=Character.toUpperCase(words[i].charAt(0));
            new_group+=cap + words[i].substring(1,words[i].length()) + "String_Node_Str";
          }
          char cap=Character.toUpperCase(words[words.length - 1].charAt(0));
          new_group+=cap + words[words.length - 1].substring(1,words[words.length - 1].length());
        }
      }
 else       new_group=((Spinner)add_rss_dialog.findViewById(R.id.group_spinner)).getSelectedItem().toString();
      Boolean rss=false;
      String URL_check=((EditText)add_rss_dialog.findViewById(R.id.URL_edit)).getText().toString().trim();
      String feed_name=((EditText)add_rss_dialog.findViewById(R.id.name_edit)).getText().toString().trim();
      File in=new File(get_filepath("String_Node_Str"));
      download_finished=0;
      new adownload_file().execute(URL_check,"String_Node_Str");
      while (download_finished == 0) {
        try {
          Thread.sleep(20);
        }
 catch (        Exception e) {
        }
      }
      if (Environment.MEDIA_MOUNTED.equals(Environment.getExternalStorageState())) {
        try {
          BufferedReader reader=new BufferedReader(new FileReader(in));
          try {
            for (int i=0; i < 3; i++) {
              String line=reader.readLine();
              if (line.contains("String_Node_Str")) {
                rss=true;
                break;
              }
 else               if ((line.contains("String_Node_Str")) || (line.contains("String_Node_Str"))) {
                rss=true;
                break;
              }
            }
          }
 catch (          Exception e) {
            rss=false;
          }
        }
 catch (        Exception e) {
          rss=false;
        }
      }
      if (rss != null && !rss)       toast_message("String_Node_Str",0);
 else {
        if ((!found) && (new_group_mode))         add_group(new_group);
        if (feed_name.equals("String_Node_Str")) {
          try {
            String file_path=get_filepath("String_Node_Str");
            File temp=new File(file_path + "String_Node_Str");
            new parsered(file_path);
            String line=(new BufferedReader(new FileReader(temp))).readLine();
            int content_start=line.indexOf("String_Node_Str") + 6;
            feed_name=line.substring(content_start,line.indexOf('|',content_start));
            temp.delete();
            (new File(file_path)).delete();
          }
 catch (          Exception e) {
            toast_message("String_Node_Str",1);
          }
        }
        add_feed(feed_name,URL_check,new_group);
        alertDialog.dismiss();
      }
      in.delete();
    }
  }
);
}