SpannableTextView

class SpannableTextView @JvmOverloads constructor(
    context: Context,
    attrs: AttributeSet? = null,
    defStyle: Int = 0
) : TextView(context, attrs, defStyle) {

  fun setSpannableText(vararg texts: SpannableStyle) {
    buildWith(breaker = " ", blocks = *texts)
  }

  private fun buildWith(breaker: String, vararg blocks: SpannableStyle) {
    val builder = SpannableStringBuilder()
    for (item in blocks) {
      builder.apply {
        append(convertToSpannableString(item)).append(breaker)
      }
    }

    text = builder.subSequence(0, builder.length).trim()
  }

  private fun convertToSpannableString(spannableStyle: SpannableStyle): SpannableString {
    return SpannableString(spannableStyle.text).apply {
      setSpan(TextAppearanceSpan(context, spannableStyle.style), 0, spannableStyle.text.length, 0)
    }
  }

  class SpannableStyle(val text: String, val style: Int)
}