Kotlin setAdapter to Nothing

[youmu178]

Out-projected type 'BannerViewPager<out Any!, out (BaseViewHolder<Any!>..BaseViewHolder<*>?)>!' prohibits the use of 'public open fun setAdapter(p0: BaseBannerAdapter<T!, VH!>!): BannerViewPager<T!, VH!>! defined in com.zhpan.bannerview.BannerViewPager'

[zhpanvip]

检查一下是不是泛型写的有问题，demo中用kotlin是可以正常运行的。

[youmu178]

检查一下是不是泛型写的有问题，demo中用kotlin是可以正常运行的。

viewPager.setAdapter得时候就提示 adapter to Nothing

[zhpanvip]

可以贴下代码吗，demo是可以正常运行的。

[zhpanvip]

用kotlin 必须把BannerViewPager声明成员变量，并设置泛型，然后通过findViewById获取。

private lateinit var mViewPager: BannerViewPager<CustomBean, CustomPageViewHolder>

private fun setupViewPager() {
        mViewPager = findViewById(R.id.viewpager)
        mViewPager.apply {
            setCanLoop(false)
            setPageTransformer(PageTransformerFactory.createPageTransformer(Random().nextInt(6)))
            setIndicatorMargin(0, 0, 0, resources.getDimension(R.dimen.dp_100).toInt())
            setIndicatorSliderGap(resources.getDimension(R.dimen.dp_10).toInt())
            setIndicatorSlideMode(IndicatorSlideMode.SMOOTH)
            setIndicatorSliderRadius(resources.getDimension(R.dimen.dp_3).toInt(), resources.getDimension(R.dimen.dp_4_5).toInt())
            registerOnPageChangeCallback(object : ViewPager2.OnPageChangeCallback() {
                override fun onPageSelected(position: Int) {
                    BannerUtils.log("position:$position")
                    updateUI(position)
                }
            })
            adapter = WelcomeAdapter().apply {
                mOnSubViewClickListener = CustomPageViewHolder.OnSubViewClickListener { _, position -> ToastUtils.show("Logo Clicked,position:$position") }
            }
            setIndicatorSliderColor(ContextCompat.getColor(this@WelcomeActivity, R.color.white),
                    ContextCompat.getColor(this@WelcomeActivity, R.color.white_alpha_75))
        }.create(data)
    }

[zhpanvip]

issue先关掉了，如果仍然有问题可以reopen issue.