Get simple Android Resource XML as a string

AndroidResourceXml.kt

    private fun getPowerProfileXml(): String {
        val resources = Resources.getSystem()
        val resId = resources.getIdentifier("power_profile", "xml", "android")
        return getResourceXmlString(resources, resId)
    }

    private fun getResourceXmlString(resources: Resources, resId: Int): String {
        val xml = resources.getXml(resId)
        val xmlText = StringBuilder()
        val indent = "  "

        var lastDepth: Int = 0
        var event: Int = xml.eventType
        var lastEvent: Int = -1
        while (event != XmlPullParser.END_DOCUMENT) {
            when (event) {
                XmlPullParser.START_TAG -> {
                    if (xml.depth != lastDepth || lastEvent == XmlPullParser.END_TAG) {
                        xmlText.append("\n")
                    }
                    xmlText.append(indent.repeat(xml.depth))
                    xmlText.append("<${xml.name}")

                    for (i in 0 until xml.attributeCount) {
                        xmlText.append(" ${xml.getAttributeName(i)}=\"${xml.getAttributeValue(i)}\"")
                    }

                    xmlText.append(">")

                    lastDepth = xml.depth
                }

                XmlPullParser.TEXT -> {
                    xmlText.append(xml.text)
                }

                XmlPullParser.END_TAG -> {
                    if (lastEvent != XmlPullParser.TEXT) {
                        xmlText.append("\n")
                        xmlText.append(indent.repeat(xml.depth))
                    }

                    xmlText.append("</${xml.name}>")
                }
            }
            lastEvent = event
            event = xml.next()
        }

        return xmlText.toString()
    }