CODEWITHSUNDEEP
androidtextviewspannablestringbuilder
Programmer001
Programmer001

Reputation: 2310

Transparent character with solid underline (Attempting with two spannables but open to alternatives)

I'm trying to set a single character in my TextView to transparent but also underlining that character. The underline should be visible.

Since I'm already using a SpannableStringBuilder I decided to try setting the foreground color for the character to transparent and then adding an underline span:

val foregroundColorSpan = ForegroundColorSpan(Color.TRANSPARENT)
val underlineSpan = UnderlineSpan()
spannableStringBuilder.setSpan(foregroundColorSpan, 2, 3, 0)
spannableStringBuilder.setSpan(underlineSpan, 2, 3, 0)

The only problem is the ForegroundColorSpan also changes the underline color to transparent. How can I prevent the underline from being transparent as well, or how could I hide the single character but also leave it visibly underlined?

I've seen some other solutions for changing the underline color but they used reflection and that is not an option I would like to go with.

Upvotes: 0

Views: 43

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