protected override void SetupLayoutConstraints() { base.SetupLayoutConstraints(); this.SubviewsDoNotTranslateAutoresizingMaskIntoConstraints(); this.AddConstraints( BackgroundView.FullSizeOf(this)); this.AddConstraints( InvalidCredentialLabel.AtLeftOf(this, AppDimens.Inset6X), InvalidCredentialLabel.AtRightOf(this, AppDimens.Inset6X), InvalidCredentialLabel.Height().EqualTo(AppDimens.Inset8X), InvalidCredentialLabel.Above(LoginTextField, AppDimens.Inset4X)); this.AddConstraints( LoginTextField.AtLeftOf(this, AppDimens.Inset6X), LoginTextField.AtRightOf(this, AppDimens.Inset6X), LoginTextField.Height().EqualTo(AppDimens.Inset6X), LoginTextField.Above(PasswordTextField, AppDimens.Inset2X)); this.AddConstraints( PasswordTextField.WithSameLeft(LoginTextField), PasswordTextField.WithSameRight(LoginTextField), PasswordTextField.Height().EqualTo(AppDimens.Inset6X), PasswordTextField.WithSameCenterY(this)); this.AddConstraints( LoginButton.WithSameLeft(LoginTextField), LoginButton.Below(PasswordTextField, AppDimens.Inset2X), LoginButton.WithSameRight(LoginTextField), LoginButton.Height().EqualTo(AppDimens.Inset6X)); this.AddConstraints( ActivityIndicatorView.WithSameCenterX(this), ActivityIndicatorView.WithSameCenterY(this)); }