Quero deixar de ínicio os radios desabilitados, e somente habilita-los se o campo celular for preenchido.
<div class="accordion">Cadastro</div>
<div class="card-body p-12">
<form class="col s12" [formGroup]="form" (ngSubmit)="save()">
<div class="row justify-content-between">
<div class="form-group col-sm-6 mr-auto">
<label for="licenciadoId">Licenciado</label>
<input ngui-auto-complete
formControlName="licenciado"
[source]="licenciadoObservable.bind(this)"
[list-formatter]="licenciadoFormatter"
value-property-name="licenciadoId"
display-property-name="licenciadoRazaoSocial"
class="form-control"
#licenciadoElement>
<app-validation-message-for [displayMessage]="displayMessage" controlName="licenciado"></app-validation-message-for>
</div>
<div class="form-group col-sm-6 mr-auto">
<label for="licenciadoId">Usuário</label>
<input ngui-auto-complete
[list-formatter]="usuarioFormatter"
class="form-control"
#usuarioElement>
</div>
</div>
<div class="row">
<div class="form-group col-sm-12">
<label for="analistaNome">Nome Completo</label>
<input type="text" id="analistaNome" class="form-control" formControlName="analistaNome" />
<app-validation-message-for [displayMessage]="displayMessage" controlName="analistaNome"></app-validation-message-for>
</div>
</div>
<div class="row">
<div class="form-group col-sm-6">
<label for="analistaTelefoneFixo">Telefone</label>
<input [textMask]="{mask: maskTel}" type="text" id="analistaTelefoneFixo" class="form-control" formControlName="analistaTelefoneFixo"/>
<app-validation-message-for [displayMessage]="displayMessage" controlName="analistaTelefoneFixo"></app-validation-message-for>
</div>
<div class="form-group col-sm-6">
<label for="analistaCelular">Celular</label>
<input [textMask]="{mask: maskCel}" type="text" id="analistaCelular" class="form-control" formControlName="analistaCelular" />
<app-validation-message-for [displayMessage]="displayMessage" controlName="analistaCelular"></app-validation-message-for>
</div>
</div>
<div class="row">
<div class="form-group col-sm-6">
<label for="analistaWhatsapp">Whatsapp</label>
<!--<input type="text" id="analistaWhatsapp" class="form-control" formControlName="analistaWhatsapp" />-->
<div class="btn-group">
<label for="radioAtivo" class="btn btn-light">
<input class="form-control" type="radio" id="radioAtivo" formControlName="analistaWhatsapp" value="S" ng-disabled="form.$invalid" /> Sim
</label>
<label for="radioInativo" class="btn btn-light">
<input class="form-control" type="radio" id="radioInativo" formControlName="analistaWhatsapp" value="N" ng-disabled="userForm.$invalid" /> Não
</label>
</div>
<app-validation-message-for [displayMessage]="displayMessage" controlName="analistaWhatsapp"></app-validation-message-for>
</div>
<div class="form-group col-sm-6">
<label for="analistaEmail">Email</label>
<input type="text" id="analistaEmail" class="form-control" formControlName="analistaEmail" />
<app-validation-message-for [displayMessage]="displayMessage" controlName="analistaEmail"></app-validation-message-for>
</div>
</div>
</form>
</div>