input_data_keras.kt

// ML Kit Input
val inp = arrayOf(FloatArray(784) { 0f })

// Read our Bitmap
val bitmap = BitmapFactory.decodeStream(assets.open("three.bmp"))

// Read pixels
val intValues = IntArray(784)
bitmap.getPixels(intValues, 0, bitmap.width, 0, 0, bitmap.width, bitmap.height)

intValues.forEachIndexed { index, i ->
    // Take one color channel, convert it to float, and divide it by 265 to obtain a [0, 1] value
    val f = (i and 0xFF).toFloat()
    inp[0][index] = f / 256
}

// Pass the inputs
val inputs = FirebaseModelInputs.Builder().add(inp).build()