Android Glance Widget Corner Radius <12 Compat

BackgroundCompat.kt

/**
 * Adds rounded corners for the current view.
 *
 * On S+ it uses [GlanceModifier.cornerRadius]
 * on <S it creates [ShapeDrawable] and sets background
 *
 * @param cornerRadius [Int] radius set to all corners of the view.
 * @param color [Int] value of a color that will be set as background
 * @param backgroundAlpha [Float] value of an alpha that will be set to background color - defaults to 1f
 */
fun GlanceModifier.cornerRadiusCompat(
    cornerRadius: Int,
    @ColorInt color: Int,
    @FloatRange(from = 0.0, to = 1.0) backgroundAlpha: Float = 1f,
): GlanceModifier {
    return if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
        this.background(Color(color).copy(alpha = backgroundAlpha))
            .cornerRadius(cornerRadius.dp)
    } else {
        val radii = FloatArray(8) { cornerRadius.toFloat() }
        val shape = ShapeDrawable(RoundRectShape(radii, null, null))
        shape.paint.color = ColorUtils.setAlphaComponent(color, (255 * backgroundAlpha).toInt())
        val bitmap = shape.toBitmap(width = 150, height = 75)
        this.background(BitmapImageProvider(bitmap))
    }
}

const val cornerRadius = 12
const val backgroundAlpha = 0.08f
@Composable
fun BackgroundCompat(
    modifier: GlanceModifier = GlanceModifier,
    onClick: Action,
    @ColorRes colorRes: Int,
    content: @Composable () -> Unit
) {
    val context = LocalContext.current
    val color = context.getColor(colorRes)
    Box(
        modifier = modifier.cornerRadiusCompat(cornerRadius, color, backgroundAlpha)
            .padding(12.dp)
            .clickable(onClick)
            .width(150.dp)
            .height(75.dp),
        content = content
    )
}