ios - Organising programmatically added views inside UIView with AutoLayout -

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i'm trying rearrange programmatically created views inside uilabel. 

numero.text = string(indexpath.row) status.text = atividade?.status nomeatividade.text = atividade?.nome  numero.sizetofit() status.sizetofit() nomeatividade.sizetofit()  cellatividade.textlabel?.addsubview(numero) cellatividade.textlabel?.addsubview(status) cellatividade.textlabel?.addsubview(nomeatividade)

that's code creates views , add 'em uilabel.

var viewsdictionary = ["numero":numero, "status":status, "nomeatividade":nomeatividade]  let view_constraint_v:nsarray = nslayoutconstraint.constraintswithvisualformat("h:|-[numero]-[status]-[nomeatividade]", options: nslayoutformatoptions(0), metrics: nil, views: viewsdictionary)  cellatividade.textlabel?.addconstraints(view_constraint_v [anyobject])

and that's 1 i'm using create autolayout.

so, i'm getting autolayout errors, "unable simultaneously satisfy constraints" , can imagine happening because i'm not using vfl right.


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