Android 应用多个ForegroundColorSpan

我想对给定字符串中的多个单词应用

ForegroundColorSpan

但是，只有最后应用的跨度才会生效

我的代码是：

private fun formatString(target: String, vararg formattableWords: String): SpannableString {
    val spannableString = SpannableString(target)

    val colorSpan = ForegroundColorSpan(ContextCompat.getColor(context!!, R.color.colorPrimary))

    formattableWords.forEach { formattableWord ->
        val start = target.indexOf(formattableWord, ignoreCase = true)
        val end = start + formattableWord.length

        spannableString.setSpan(colorSpan, start, end, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE)
    }

    return spannableString
}

当我用以下代码调用它时：

entryTermsConditionsPrivacy.text = formatString(
            "By using APP you agree to the Terms and Conditions and the Privacy Policy.",
            "APP", "Terms and Conditions", "Privacy Policy"
        )

---

只有

隐私政策

在您每次需要新的

ForegroundColorSpan对象时才会收到应用的
ForegroundColorSpan

private fun formatString(target: String, vararg formattableWords: String): SpannableString {
val spannableString = SpannableString(target)

//    val colorSpan = ForegroundColorSpan(ContextCompat.getColor(this, R.color.colorPrimary))

formattableWords.forEach { formattableWord ->
  val start = target.indexOf(formattableWord, ignoreCase = true)
  val end = start + formattableWord.length

  spannableString.setSpan(ForegroundColorSpan(ContextCompat.getColor(this, R.color.colorPrimary)), start, end, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE)
}

return spannableString
}

为什么对所有单词使用一个span实例，而不是在forEach lambda中为每个单词创建一个新span？@Luksprog我不知道。