Program: 94071
Project: 94071
Buggy source:
@Override public Dialog onCreateDialog(Bundle savedInstanceState){
  AlertDialog.Builder alert=new AlertDialog.Builder(getActivity()).setTitle("String_Node_Str").setPositiveButton("String_Node_Str",new DialogInterface.OnClickListener(){
    public void onClick(    DialogInterface dialog,    int whichButton){
      Toast.makeText(HookMethods.SnapContext,"String_Node_Str",Toast.LENGTH_LONG).show();
      onCancel(dialog);
      Groups.sendStoriesUpdateEvent();
    }
  }
);
  LinearLayout.LayoutParams linearparams=new LinearLayout.LayoutParams(LinearLayout.LayoutParams.WRAP_CONTENT,LinearLayout.LayoutParams.WRAP_CONTENT);
  final LinearLayout v=new LinearLayout(HookMethods.SnapContext);
  v.setOrientation(LinearLayout.VERTICAL);
  v.setLayoutParams(linearparams);
  final Handler handler=new Handler(HookMethods.SnapContext.getMainLooper());
  new Thread(new Runnable(){
    @Override public void run(){
      File[] files=Groups.groupsDir.listFiles();
      if (files == null) {
        Groups.groupsDir.mkdir();
        files=Groups.groupsDir.listFiles();
      }
      Arrays.sort(files);
      List<String> al=new ArrayList<>();
      Set<Groups.Group> linkedHashSet=new LinkedHashSet<>();
      linkedHashSet.addAll(Groups.groups);
      Groups.groups.clear();
      Groups.groups.addAll(linkedHashSet);
      final int N=Groups.groups.size();
      for (int i=0; i < N; i++) {
        final File[] finalFiles=files;
        final int finalI=i;
        Runnable addRowsRunnable=new Runnable(){
          @Override public void run(){
            final TextView rowTextView=new TextView(HookMethods.context);
            rowTextView.setText(finalFiles[finalI].getName());
            rowTextView.setPadding(HookMethods.px(5),HookMethods.px(5),HookMethods.px(5),HookMethods.px(5));
            rowTextView.setTextSize(20);
            rowTextView.setTextColor(Color.BLACK);
            v.addView(rowTextView);
            rowTextView.setId(finalI);
            final int id_=rowTextView.getId();
            rowTextView.setOnClickListener(new View.OnClickListener(){
              public void onClick(              View view){
                FragmentTransaction ft=HookMethods.SnapContext.getFragmentManager().beginTransaction();
                Fragment prev=HookMethods.SnapContext.getFragmentManager().findFragmentByTag("String_Node_Str");
                if (prev != null) {
                  ft.remove(prev);
                }
                ft.addToBackStack(null);
                DialogFragment newFragment=GroupDialogList.newInstance((String)rowTextView.getText());
                Groups.readGroups();
                GroupDialogList.setGroup(Groups.groups.get(id_));
                newFragment.show(ft,"String_Node_Str");
                Groups.sendStoriesUpdateEvent();
              }
            }
);
          }
        }
;
        handler.post(addRowsRunnable);
      }
      Runnable addButtonRunnable=new Runnable(){
        @Override public void run(){
          Button add=new Button(HookMethods.SnapContext);
          add.setText("String_Node_Str");
          add.setLayoutParams(new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT,ViewGroup.LayoutParams.WRAP_CONTENT));
          boolean shouldShowAdd=true;
          if (Groups.groups.size() == 3 && Preferences.getLicence() == 0) {
            shouldShowAdd=false;
          }
          if (Preferences.getLicence() != 0 && !Preferences.getBool(Prefs.UNLIM_GROUPS)) {
            shouldShowAdd=false;
          }
          if (shouldShowAdd) {
            v.addView(add);
          }
          add.setOnClickListener(new View.OnClickListener(){
            @Override public void onClick(            View view){
              FragmentTransaction ft=HookMethods.SnapContext.getFragmentManager().beginTransaction();
              Fragment prev=HookMethods.SnapContext.getFragmentManager().findFragmentByTag("String_Node_Str");
              if (prev != null) {
                ft.remove(prev);
              }
              ft.addToBackStack(null);
              DialogFragment newFragment=GroupDialogList.newInstance("String_Node_Str");
              GroupDialogList.setGroup(null);
              newFragment.show(ft,"String_Node_Str");
            }
          }
);
        }
      }
;
      handler.post(addButtonRunnable);
    }
  }
).start();
  alert.setView(v);
  return alert.create();
}

Fixed version (ground truth):
@Override public Dialog onCreateDialog(Bundle savedInstanceState){
  AlertDialog.Builder alert=new AlertDialog.Builder(getActivity()).setTitle("String_Node_Str").setPositiveButton("String_Node_Str",new DialogInterface.OnClickListener(){
    public void onClick(    DialogInterface dialog,    int whichButton){
      Toast.makeText(HookMethods.SnapContext,"String_Node_Str",Toast.LENGTH_LONG).show();
      onCancel(dialog);
      Groups.sendStoriesUpdateEvent();
    }
  }
);
  LinearLayout.LayoutParams linearparams=new LinearLayout.LayoutParams(LinearLayout.LayoutParams.WRAP_CONTENT,LinearLayout.LayoutParams.WRAP_CONTENT);
  final LinearLayout v=new LinearLayout(HookMethods.SnapContext);
  v.setOrientation(LinearLayout.VERTICAL);
  v.setLayoutParams(linearparams);
  final Handler handler=new Handler(HookMethods.SnapContext.getMainLooper());
  new Thread(new Runnable(){
    @Override public void run(){
      File[] files=Groups.groupsDir.listFiles();
      if (files == null) {
        if (Groups.groupsDir.mkdir())         Logger.log("String_Node_Str",LogType.GROUPS);
 else         Logger.log("String_Node_Str",LogType.GROUPS);
        return;
      }
      Arrays.sort(files);
      List<String> al=new ArrayList<>();
      Set<Groups.Group> linkedHashSet=new LinkedHashSet<>();
      linkedHashSet.addAll(Groups.groups);
      Groups.groups.clear();
      Groups.groups.addAll(linkedHashSet);
      final int N=Groups.groups.size();
      final File[] finalFiles=files;
      for (int i=0; i < N; i++) {
        final int finalI=i;
        if (finalI >= finalFiles.length) {
          Logger.log(String.format("String_Node_Str",finalI,finalFiles.length - 1),LogType.GROUPS);
          break;
        }
        Runnable addRowsRunnable=new Runnable(){
          @Override public void run(){
            final TextView rowTextView=new TextView(HookMethods.context);
            rowTextView.setText(finalFiles[finalI].getName());
            rowTextView.setPadding(HookMethods.px(5),HookMethods.px(5),HookMethods.px(5),HookMethods.px(5));
            rowTextView.setTextSize(20);
            rowTextView.setTextColor(Color.BLACK);
            v.addView(rowTextView);
            rowTextView.setId(finalI);
            final int id_=rowTextView.getId();
            rowTextView.setOnClickListener(new View.OnClickListener(){
              public void onClick(              View view){
                FragmentTransaction ft=HookMethods.SnapContext.getFragmentManager().beginTransaction();
                Fragment prev=HookMethods.SnapContext.getFragmentManager().findFragmentByTag("String_Node_Str");
                if (prev != null) {
                  ft.remove(prev);
                }
                ft.addToBackStack(null);
                DialogFragment newFragment=GroupDialogList.newInstance((String)rowTextView.getText());
                Groups.readGroups();
                GroupDialogList.setGroup(Groups.groups.get(id_));
                newFragment.show(ft,"String_Node_Str");
                Groups.sendStoriesUpdateEvent();
              }
            }
);
          }
        }
;
        handler.post(addRowsRunnable);
      }
      Runnable addButtonRunnable=new Runnable(){
        @Override public void run(){
          Button add=new Button(HookMethods.SnapContext);
          add.setText("String_Node_Str");
          add.setLayoutParams(new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT,ViewGroup.LayoutParams.WRAP_CONTENT));
          boolean shouldShowAdd=true;
          if (Groups.groups.size() == 3 && Preferences.getLicence() == 0)           shouldShowAdd=false;
          if (Preferences.getLicence() != 0 && !Preferences.getBool(Prefs.UNLIM_GROUPS))           shouldShowAdd=false;
          if (shouldShowAdd)           v.addView(add);
          add.setOnClickListener(new View.OnClickListener(){
            @Override public void onClick(            View view){
              FragmentTransaction ft=HookMethods.SnapContext.getFragmentManager().beginTransaction();
              Fragment prev=HookMethods.SnapContext.getFragmentManager().findFragmentByTag("String_Node_Str");
              if (prev != null) {
                ft.remove(prev);
              }
              ft.addToBackStack(null);
              DialogFragment newFragment=GroupDialogList.newInstance("String_Node_Str");
              GroupDialogList.setGroup(null);
              newFragment.show(ft,"String_Node_Str");
            }
          }
);
        }
      }
;
      handler.post(addButtonRunnable);
    }
  }
).start();
  alert.setView(v);
  return alert.create();
}