PagerBannerSLiderKotlin.kt

// how to use
val timer = Timer()
        timer.schedule(RemindTask(imageList.size, pager), 0, 5000)
    

// handler
inner class RemindTask() : TimerTask() {

        private var numberOfPages = 0
        private lateinit var mViewPager: ViewPager
        private var page = 0

        constructor(numberOfPages: Int, mViewPager: ViewPager) : this() {
            this.numberOfPages = numberOfPages
            this.mViewPager = mViewPager

        }

        override fun run() {

            this@ItemDetailActivity.runOnUiThread({
                if (page > numberOfPages) {
                    mViewPager.currentItem = 0
                    page = 0
                } else {
                    mViewPager.currentItem = page++
                }
            })

        }
    }