Program: 24336
Project: 24336
Buggy source:
private void show_add_dialog(){
  LayoutInflater inflater=LayoutInflater.from(this);
  final View add_rss_dialog=inflater.inflate(R.layout.add_rss_dialog,null);
  Spinner group_spinner=(Spinner)add_rss_dialog.findViewById(R.id.group_spinner);
  List<String> spinner_groups=new ArrayList<String>();
  for (int i=1; i < current_groups.size(); i++) {
    spinner_groups.add(current_groups.get(i));
  }
  ArrayAdapter<String> adapter=new ArrayAdapter<String>(this,R.layout.group_spinner_text,spinner_groups);
  adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
  group_spinner.setAdapter(adapter);
  final AlertDialog alertDialog=new AlertDialog.Builder(this,2).setTitle("String_Node_Str").setView(add_rss_dialog).setCancelable(true).setPositiveButton(getString(R.string.add_dialog),new DialogInterface.OnClickListener(){
    @Override public void onClick(    DialogInterface dialog,    int id){
    }
  }
).setNegativeButton(getString(R.string.cancel_dialog),new DialogInterface.OnClickListener(){
    @Override public void onClick(    DialogInterface dialog,    int id){
    }
  }
).create();
  alertDialog.setOnShowListener(new DialogInterface.OnShowListener(){
    @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();
          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();
          String spinner_group;
          try {
            spinner_group=((Spinner)add_rss_dialog.findViewById(R.id.group_spinner)).getSelectedItem().toString();
          }
 catch (          Exception e) {
            spinner_group="String_Node_Str";
          }
          process_user_feed(alertDialog,new_group,URL_check,feed_name,spinner_group,"String_Node_Str");
        }
      }
);
    }
  }
);
  alertDialog.show();
}

Fixed version (ground truth):
private static void show_add_dialog(){
  final View add_rss_dialog=inf.inflate(R.layout.add_rss_dialog,null);
  Spinner group_spinner=(Spinner)add_rss_dialog.findViewById(R.id.group_spinner);
  List<String> spinner_groups=new ArrayList<String>();
  for (int i=1; i < current_groups.size(); i++) {
    spinner_groups.add(current_groups.get(i));
  }
  ArrayAdapter<String> adapter=new ArrayAdapter<String>(activity_context,R.layout.group_spinner_text,spinner_groups);
  adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
  group_spinner.setAdapter(adapter);
  final AlertDialog alertDialog=new AlertDialog.Builder(activity_context,2).setTitle("String_Node_Str").setView(add_rss_dialog).setCancelable(true).setPositiveButton(activity_context.getString(R.string.add_dialog),new DialogInterface.OnClickListener(){
    @Override public void onClick(    DialogInterface dialog,    int id){
    }
  }
).setNegativeButton(activity_context.getString(R.string.cancel_dialog),new DialogInterface.OnClickListener(){
    @Override public void onClick(    DialogInterface dialog,    int id){
    }
  }
).create();
  alertDialog.setOnShowListener(new DialogInterface.OnShowListener(){
    @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();
          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();
          String spinner_group;
          try {
            spinner_group=((Spinner)add_rss_dialog.findViewById(R.id.group_spinner)).getSelectedItem().toString();
          }
 catch (          Exception e) {
            spinner_group="String_Node_Str";
          }
          process_user_feed(alertDialog,new_group,URL_check,feed_name,spinner_group,"String_Node_Str");
        }
      }
);
    }
  }
);
  alertDialog.show();
}