DeactivatedViewPager.kt

open class DeactivatedViewPager(
    context: Context,
    attrs: AttributeSet? = null
) : ViewPager(context, attrs) {

    var isPagingEnabled = false

    override fun onTouchEvent(ev: MotionEvent?): Boolean {
        if (ev?.action == MotionEvent.ACTION_UP) performClick()
        return isPagingEnabled && super.onTouchEvent(ev)
    }

    override fun onInterceptTouchEvent(ev: MotionEvent?): Boolean {
        return isPagingEnabled && super.onInterceptTouchEvent(ev)
    }

    open fun nextItem() {
        if (canScrollHorizontally(+1)) currentItem += 1
    }

    open fun previousItem() {
        if (canScrollHorizontally(-1)) currentItem -= 1
    }
}