Palette usage to get the max colour from image and set it to GradientDrawable

.gradle

implementation 'androidx.palette:palette-ktx:1.0.0'

PaletteAndGradient.kt

val bitmap: Bitmap = (imageView.drawable as BitmapDrawable).bitmap
Palette.from(bitmap).generate { palette ->
    val swatch: Palette.Swatch? = palette?.darkMutedSwatch
    swatch?.let { s ->
        val mGradientMask = GradientDrawable(
            GradientDrawable.Orientation.BOTTOM_TOP,
            intArrayOf(
                s.rgb,
                s.rgb,
                0x00000000
            )
        )
        binding.ivImageMask.background = mGradientMask
    }
}