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override fun onCreate(savedInstanceState: Bundle?) {
    super.onCreate(savedInstanceState)
    setContentView(R.layout.activity_my)
    story.text = writeFormattedStory()
}

private fun writeFormattedStory(): CharSequence {
    return SpannableStringBuilder()
        .append(createWithSpans("A Short Story", StyleSpan(Typeface.BOLD)))
        .append("\n")
        .append("This is a short story")
        .append("\n")
        .append(createWithSpans("fin.", StyleSpan(Typeface.ITALIC)))
}

private fun createWithSpans(charSequence: CharSequence, vararg spans: Any): SpannableString {
    val spannableString = SpannableString(charSequence)
    for (span in spans) {
        spannableString.setSpan(span, 0, charSequence.length, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE)
    }
    return spannableString
}