Xamarin.Android TextView number different font size

Question

I have a question how I can make in TextView diffrent font size something like this:

I found one way is maybe SpannableString but I dont know is some better way?

Answer 1

You can use the SpannableString and SpannableStringBuilder.

SpannableStringBuilder ssb = new SpannableStringBuilder("25 415,50 XX");
var realtiveSizeSpan = new RelativeSizeSpan(1.5f);
ssb.SetSpan(realtiveSizeSpan, 0, 6, 0);
textView.TextFormatted = ssb;

This sets a "formatting" for a given character range in the content. The SetSpan sets a formatting of a substring, here I set it from index 0, for 6 characters. Note that you need to assigne the value to the TextFormatted property instead of Text.

The alternative would be to have two differently formatted TextView controls next to each other (wrapped in a Horizontal LinearLayout for example), but such solution is less reliable and does not ensure that the texts will lay exactly in one straight line.