eliminarContacto(contacto: Contacto) {
    let loader = this.loadingCtrl.create();
    loader.present();

    this._contactoService.deleteContacto(contacto.id)
      .subscribe(
        result => {
          this.status = result.status;

          if (this.status != "success") {
            console.log("Error en el servidor");
          }
          this.getContactos();
          loader.dismiss();
        },
        error => {
          this.errorMessage = <any>Error;
          if (this.errorMessage != null) {
            console.log(this.errorMessage);
          }
          loader.dismiss();
        }
      );
}