RotartyKnob initialization

RotaryKnobView.kt

    init {
        this.maxValue = maxValue + 1

        LayoutInflater.from(context)
            .inflate(R.layout.rotary_knob_view, this, true)

        context.theme.obtainStyledAttributes(
            attrs,
            R.styleable.RotaryKnobView,
            0,
            0
        ).apply {
            try {
                minValue = getInt(R.styleable.RotaryKnobView_minValue, 0)
                maxValue = getInt(R.styleable.RotaryKnobView_maxValue, 100) + 1
                divider = 300f / (maxValue - minValue)
                value = getInt(R.styleable.RotaryKnobView_initialValue, 50)
                knobDrawable = getDrawable(R.styleable.RotaryKnobView_knobDrawable)
                knobImageView.setImageDrawable(knobDrawable)
            } finally {
                recycle()
            }
        }
        gestureDetector = GestureDetectorCompat(context, this)
    }