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[英]How to add fragment inside a fragment of ViewPager with same id where each fragment added in view pager is same?
[英]How to implement View Pager same Fragment in Kotlin?
我想問一下在Kotlin中是否只有最好的方法來實現只用一個片段的視圖傳呼器嗎?
如果您有如下所示的ViewPager適配器
class ViewPagerAdapter(fragmentManager: FragmentManager) : FragmentPagerAdapter(fragmentManager) {
val fragments:MutableList<Fragment> = ArrayList()
val titles:MutableList<String> = ArrayList()
fun addFragment(fragment: Fragment, title:String){
fragments.add(fragment)
titles.add(title)
}
override fun getItem(p0: Int): Fragment = fragments[p0]
override fun getCount(): Int = fragments.size
override fun getPageTitle(position: Int): CharSequence? {
return titles[position]
}
override fun destroyItem(container: ViewGroup, position: Int, `object`: Any) {
super.destroyItem(container, position, `object`)
}
}
現在,如果您有片段,請使用SampleFragment
(例如)
只需使用所需的片段調用該方法,
adapter.addFragment(SampleFragment(),"Sample Fragment")
..
..
adapter.addFragment(SampleFragment(),"Sample Fragment 2")
創建模型類FragmentConfig
,在其中保留片段的參數。
將配置fragmentConfigs
添加到您的FragmentPagerAdapter
和適配器中:
override fun getItem(position: Int): Fragment {
val fragmentConfig = fragmentConfigs[position]
return UniversalListFragment.newInstance(fragmentConfig)
}
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