package com.nxg.app.main
import android.annotation.SuppressLint
import androidx.lifecycle.ViewModelProvider
import android.os.Bundle
import androidx.fragment.app.Fragment
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import androidx.lifecycle.Observer
import androidx.recyclerview.widget.LinearLayoutManager
import androidx.recyclerview.widget.RecyclerView
import com.nxg.app.R
import com.nxg.app.databinding.MainFragmentBinding
import com.nxg.loopscrollanimation.RecyclerViewLoopScrollAnimation
import com.nxg.loopscrollanimation.RecyclerViewScrollAction
import com.nxg.loopscrollanimation.utils.LogUtil
class MainFragment : Fragment() {
companion object {
fun newInstance() = MainFragment()
}
private lateinit var viewModel: MainViewModel
private var _binding: MainFragmentBinding? = null
// This property is only valid between onCreateView and
// onDestroyView.
private val binding get() = _binding!!
private val doubleColorBallDataA = mutableListOf<List<TextBean>>()
private val doubleColorBallDataB = mutableListOf<List<TextBean>>()
private val doubleColorBallDataC = mutableListOf<List<TextBean>>()
private val doubleColorBallDataD = mutableListOf<List<TextBean>>()
private val doubleColorBallDataE = mutableListOf<List<TextBean>>()
@SuppressLint("NotifyDataSetChanged")
override fun onCreateView(
inflater: LayoutInflater, container: ViewGroup?,
savedInstanceState: Bundle?
): View? {
viewModel = ViewModelProvider.AndroidViewModelFactory.getInstance(AppApplication.instance())
.create(MainViewModel::class.java)
_binding = MainFragmentBinding.inflate(inflater, container, false)
val root: View = binding.root
val doubleColorBallRecyclerViewA = binding.doubleColorBallRecyclerViewA
val doubleColorBallRecyclerViewB = binding.doubleColorBallRecyclerViewB
val doubleColorBallRecyclerViewC = binding.doubleColorBallRecyclerViewC
val doubleColorBallRecyclerViewD = binding.doubleColorBallRecyclerViewD
val doubleColorBallRecyclerViewE = binding.doubleColorBallRecyclerViewE
val doubleColorBallAdapterA =
DoubleColorBallAdapter(
requireContext(),
R.layout.double_color_ball_item,
doubleColorBallDataA
)
val doubleColorBallAdapterB =
DoubleColorBallAdapter(
requireContext(),
R.layout.double_color_ball_item,
doubleColorBallDataB
)
val doubleColorBallAdapterC =
DoubleColorBallAdapter(
requireContext(),
R.layout.double_color_ball_item,
doubleColorBallDataC
)
val doubleColorBallAdapterD =
DoubleColorBallAdapter(
requireContext(),
R.layout.double_color_ball_item,
doubleColorBallDataD
)
val doubleColorBallAdapterE =
DoubleColorBallAdapter(
requireContext(),
R.layout.double_color_ball_item,
doubleColorBallDataE
)
doubleColorBallRecyclerViewA.layoutManager =
LinearLayoutManager(requireContext(), RecyclerView.HORIZONTAL, false)
doubleColorBallRecyclerViewA.adapter = doubleColorBallAdapterA
doubleColorBallRecyclerViewA.addItemDecoration(DoubleColorBallItemDecoration(20))
doubleColorBallRecyclerViewB.layoutManager =
LinearLayoutManager(requireContext(), RecyclerView.HORIZONTAL, false)
doubleColorBallRecyclerViewB.adapter = doubleColorBallAdapterB
doubleColorBallRecyclerViewB.addItemDecoration(DoubleColorBallItemDecoration(20))
doubleColorBallRecyclerViewC.layoutManager =
LinearLayoutManager(requireContext(), RecyclerView.HORIZONTAL, false)
doubleColorBallRecyclerViewC.adapter = doubleColorBallAdapterC
doubleColorBallRecyclerViewC.addItemDecoration(DoubleColorBallItemDecoration(20))
doubleColorBallRecyclerViewD.layoutManager =
LinearLayoutManager(requireContext(), RecyclerView.HORIZONTAL, false)
doubleColorBallRecyclerViewD.adapter = doubleColorBallAdapterD
doubleColorBallRecyclerViewD.addItemDecoration(DoubleColorBallItemDecoration(20))
doubleColorBallRecyclerViewE.layoutManager =
LinearLayoutManager(requireContext(), RecyclerView.HORIZONTAL, false)
doubleColorBallRecyclerViewE.adapter = doubleColorBallAdapterE
doubleColorBallRecyclerViewE.addItemDecoration(DoubleColorBallItemDecoration(20))
viewModel.doubleColorBallNum.observe(viewLifecycleOwner, {
doubleColorBallDataA.clear()
doubleColorBallDataA.addAll(it)
doubleColorBallDataA.shuffle()
doubleColorBallDataB.clear()
doubleColorBallDataB.addAll(it)
doubleColorBallDataB.shuffle()
doubleColorBallDataC.clear()
doubleColorBallDataC.addAll(it)
doubleColorBallDataC.shuffle()
doubleColorBallDataD.clear()
doubleColorBallDataD.addAll(it)
doubleColorBallDataD.shuffle()
doubleColorBallDataE.clear()
doubleColorBallDataE.addAll(it)
doubleColorBallDataE.shuffle()
doubleColorBallAdapterA.notifyDataSetChanged()
doubleColorBallAdapterB.notifyDataSetChanged()
doubleColorBallAdapterC.notifyDataSetChanged()
doubleColorBallAdapterD.notifyDataSetChanged()
doubleColorBallAdapterE.notifyDataSetChanged()
})
binding.doubleColorBallLottery.setOnClickListener {
//开始摇号,遍历每一个RecyclerView调用RecyclerViewLoopScrollAnimation.start()
val ballsA = viewModel.createSevenDoubleColorBall()
LogUtil.i("MainFragment", "ballsA $ballsA")
doubleColorBallAdapterA.fakeResult.clear()
doubleColorBallAdapterA.fakeResult.addAll(ballsA)
for ((index, _) in doubleColorBallDataA.withIndex()) {
val viewHolder =
doubleColorBallRecyclerViewA.findViewHolderForLayoutPosition(index) as DoubleColorBallAdapter.DoubleColorBallViewHolder
viewHolder.recyclerViewLoopScrollAnimation.start(0L)
}
val ballsB = viewModel.createSevenDoubleColorBall()
LogUtil.i("MainFragment", "ballsB $ballsB")
doubleColorBallAdapterB.fakeResult.clear()
doubleColorBallAdapterB.fakeResult.addAll(ballsB)
for ((index, _) in doubleColorBallDataB.withIndex()) {
val viewHolder =
doubleColorBallRecyclerViewB.findViewHolderForLayoutPosition(index) as DoubleColorBallAdapter.DoubleColorBallViewHolder
viewHolder.recyclerViewLoopScrollAnimation.start(100L)
}
val ballsC = viewModel.createSevenDoubleColorBall()
LogUtil.i("MainFragment", "ballsC $ballsC")
doubleColorBallAdapterC.fakeResult.clear()
doubleColorBallAdapterC.fakeResult.addAll(ballsC)
for ((index, _) in doubleColorBallDataC.withIndex()) {
val viewHolder =
doubleColorBallRecyclerViewC.findViewHolderForLayoutPosition(index) as DoubleColorBallAdapter.DoubleColorBallViewHolder
viewHolder.recyclerViewLoopScrollAnimation.start(200L)
}
val ballsD = viewModel.createSevenDoubleColorBall()
LogUtil.i("MainFragment", "ballsD $ballsD")
doubleColorBallAdapterD.fakeResult.clear()
doubleColorBallAdapterD.fakeResult.addAll(ballsD)
for ((index, _) in doubleColorBallDataD.withIndex()) {
val viewHolder =
doubleColorBallRecyclerViewD.findViewHolderForLayoutPosition(index) as DoubleColorBallAdapter.DoubleColorBallViewHolder
viewHolder.recyclerViewLoopScrollAnimation.start(300L)
}
val ballsE = viewModel.createSevenDoubleColorBall()
LogUtil.i("MainFragment", "ballsE $ballsE")
doubleColorBallAdapterE.fakeResult.clear()
doubleColorBallAdapterE.fakeResult.addAll(ballsE)
for ((index, _) in doubleColorBallDataE.withIndex()) {
val viewHolder =
doubleColorBallRecyclerViewE.findViewHolderForLayoutPosition(index) as DoubleColorBallAdapter.DoubleColorBallViewHolder
viewHolder.recyclerViewLoopScrollAnimation.start(400L)
}
}
viewModel.appInfo.observe(viewLifecycleOwner, {
binding.appInfo.text = it
})
viewModel.refreshDoubleColorBallNum()
return root
}
}
转成Android Java
博客介绍RecyclerView的用法，原文地址为http://www.imooc.com/article/10421 。
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