It can be do in two way :-
1. First way inside xml :-
android:textColor="@{notice.action.equals(`continue`) ? @color/enabledPurple : @color/disabledGray }"
2. Second way (programatically) Inside xml :-
app:setColor="@{notice.action}"
inside activity or custom class : -
@BindingAdapter("setColor")
public static void setTextColor(TextView textView, String s) {
Context context = textView.getContext();
textView.setTextColor(s.equals("continue") ? context.getResources().getColor(R.color.enabledPurple) : context.getResources().getColor(R.color.disabledGray));
}