Hi,

I have a method that triggers a form that does not always run. The form has 
a Timer class to control the time it appears and disappears. In addition to 
this, for some time the warning was displayed in the debug console (Ljava / 
util / ArrayList; Z) V 'formTotals

My code:

    private void formaTotales(ArrayList aCompra2, boolean comparacion) {
        double sub1 = 0d;
        double sub2 = 0d;
        double imp1 = 0d;
        double imp2 = 0d;
        double tot1 = 0d;
        double tot2 = 0d;
        int cnLista = 0;
        int cnCompra = 0;
        try {
            for (int i = 0; i < aCompra2.size(); i++) {
                Compra2 cP2 = (Compra2) aCompra2.get(i);
                double tmp1 = 0d;
                double tmp2 = 0d;
                if (comparacion) {
                    tmp1 = cP2.getCantidad() * cP2.getPrecioComparacion();
                } else {
                    cnLista++;
                    tmp1 = cP2.getCantidad() * cP2.getPrecio();
                    if (cP2.getIncluir() == 1) {
                        tmp2 = cP2.getCantidad() * cP2.getPrecio();
                        cnCompra++;
                    }
                }
                sub1 = sub1 + tmp1;
                sub2 = sub2 + tmp2;
                if (cP2.getImpuesto() == 1) {
                    imp1 = imp1 + tmp1 * iU.getImpuesto1();
                    imp1 = imp1 + tmp1 * iU.getImpuesto2();
                    imp2 = imp2 + tmp2 * iU.getImpuesto1();
                    imp2 = imp2 + tmp2 * iU.getImpuesto2();
                }
            }
            tot1 = sub1 + imp1;
            tot2 = sub2 + imp2;
            String tt = idioma.getTotal() + ": 0.00";
            if (tot1 > 0d) {
                tt = idioma.getTotal() + ":   " + redondear(tot1, 2);
                if (tot2 > 0d) {
                    tt = idioma.getTotal() + ":   " + redondear(tot2, 2) + 
" / " + redondear(tot1, 2);
                }
            }

            Label lbSub = new Label(idioma.getSubTotal() + ":   ");
            Label lbImp = new Label(idioma.getImpuesto() + ":   ");
            Label lbTot = new Label(idioma.getTotal() + ":   ");
            Label lbComprado = new Label(idioma.getComprado());
            Label lbLista = new Label(idioma.getEnLista());
            Label lbcComprado = new Label("(" + cnCompra + ")");
            Label lbcLista = new Label("(" + cnLista + ")");

            lbSub.setUIID("MultiLine2");
            lbImp.setUIID("MultiLine2");
            lbTot.setUIID("MultiLine2");
            lbComprado.setUIID("MultiLine2");
            lbLista.setUIID("MultiLine2");

            Label lbS1 = new Label(redondear(sub1, 2));
            Label lbI1 = new Label(redondear(imp1, 2));
            Label lbT1 = new Label(redondear(tot1, 2));
            Label lbS2 = new Label(redondear(sub2, 2));
            Label lbI2 = new Label(redondear(imp2, 2));
            Label lbT2 = new Label(redondear(tot2, 2));

            lbS1.setUIID("LabelItemBig");
            lbI1.setUIID("LabelItemBig");
            lbT1.setUIID("LabelItemBig");
            lbS2.setUIID("LabelItemBig");
            lbI2.setUIID("LabelItemBig");
            lbT2.setUIID("LabelItemBig");
            lbcLista.setUIID("MultiLine2");
            lbcComprado.setUIID("MultiLine2");

            Container cnL = new Container(new GridLayout(5, 1)).add(new 
Label("")).add(lbSub).add(lbImp).add(lbTot).add(new Label(""));
            Container cn1 = new Container(new GridLayout(5, 
1)).add(lbLista).add(lbS1).add(lbI1).add(lbT1).add(lbcLista);
            Container cn2 = new Container(new GridLayout(5, 
1)).add(lbComprado).add(lbS2).add(lbI2).add(lbT2).add(lbcComprado);
            Container cnT = new Container();

            if (tot2 > 0d) {
                cnT.setLayout(new GridLayout(1, 3));
                cnT.add(cnL);
                cnT.add(cn2);
                cnT.add(cn1);
            } else {
                cnT.setLayout(new GridLayout(1, 2));
                cnT.add(cnL);
                cnT.add(cn1);
            }

            Dialog dlg = new Dialog(new BorderLayout());
            dlg.add(BorderLayout.CENTER, cnT);
            
dlg.setTransitionInAnimator(CommonTransitions.createSlide(CommonTransitions.SLIDE_VERTICAL,
 
true, 500));

            UITimer timer = new UITimer(() -> {
                dlg.dispose();
            });
            timer.schedule(3000, false, dlg);
            dlg.show((Display.getInstance().getDisplayHeight() / 4) * 3, 0, 
0, 0);
        } catch (Exception err) {
            Dialog.show("Error", err.getMessage(), "Continuar", null);
        }
    }

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