LineHeightSpan.Standard for lower API versions

LineHeightSpanCompat.kt

import android.os.Build
import android.text.style.LineHeightSpan
import androidx.annotation.Px
import kotlin.math.roundToInt

object LineHeightSpanCompat {
    fun standard(@Px lineHeight: Int): LineHeightSpan =
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
            LineHeightSpan.Standard(lineHeight)
        } else {
            LineHeightSpan { _, _, _, _, _, fm ->
                val originHeight = fm.descent - fm.ascent
                if (originHeight > 0) {
                    val ratio = lineHeight * 1.0f / originHeight
                    fm.descent = (fm.descent * ratio).roundToInt()
                    fm.ascent = fm.descent - lineHeight
                }
            }
        }
}