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LuckyCodeerLuckyCodeer
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新增ExpandableListView和ViewPager2+Fragment的适配器
1 parent ffe1e2f commit fac698a

18 files changed

+651
-16
lines changed

‎library/src/main/java/com/yhw/library/adapter/BaseSimpleExpandableListAdapter.kt‎

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package com.yhw.library.adapter
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import android.text.TextUtils
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import android.view.LayoutInflater
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import android.view.View
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import android.view.ViewGroup
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import android.widget.BaseExpandableListAdapter
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import android.widget.CheckBox
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import android.widget.ImageView
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import android.widget.TextView
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import androidx.annotation.DrawableRes
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import androidx.annotation.IdRes
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import androidx.annotation.StringRes
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import com.yhw.library.data.ExpandableData
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abstract class BaseSimpleExpandableListAdapter<G, C>(private var dataList: MutableList<ExpandableData<G, C>>) :
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BaseExpandableListAdapter() {
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override fun getGroupCount(): Int {
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return dataList.size
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}
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override fun getChildrenCount(groupPosition: Int): Int {
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return dataList[groupPosition].childList.size
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}
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override fun getGroup(groupPosition: Int): G {
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return dataList[groupPosition].group
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}
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override fun getChild(groupPosition: Int, childPosition: Int): C {
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return dataList[groupPosition].childList[childPosition]
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}
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override fun getGroupId(groupPosition: Int): Long {
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return groupPosition.toLong()
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}
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override fun getChildId(groupPosition: Int, childPosition: Int): Long {
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return childPosition.toLong()
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}
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override fun hasStableIds(): Boolean {
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return false
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}
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override fun isChildSelectable(groupPosition: Int, childPosition: Int): Boolean {
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return true
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}
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override fun getGroupView(
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groupPosition: Int,
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isExpanded: Boolean,
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convertView: View?,
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parent: ViewGroup?
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): View {
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val viewHolder: ViewHolder
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val view: View
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if (convertView == null) {
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view = LayoutInflater.from(parent?.context)
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.inflate(getGroupItemLayoutId(), parent, false)!!
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viewHolder = ViewHolder(view)
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viewHolder.itemViewType = getGroupType(groupPosition)
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view.tag = viewHolder
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} else {
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view = convertView
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viewHolder = view.tag as ViewHolder
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}
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onBindGroupViewItem(
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groupPosition,
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dataList[groupPosition].group,
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parent,
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viewHolder,
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isExpanded
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)
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return view
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}
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override fun getChildView(
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groupPosition: Int,
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childPosition: Int,
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isLastChild: Boolean,
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convertView: View?,
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parent: ViewGroup?
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): View {
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val viewHolder: ViewHolder
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val view: View
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if (convertView == null) {
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view = LayoutInflater.from(parent?.context)
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.inflate(getChildItemLayoutId(), parent, false)!!
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viewHolder = ViewHolder(view)
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viewHolder.itemViewType = getChildType(groupPosition, childPosition)
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view.tag = viewHolder
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} else {
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view = convertView
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viewHolder = view.tag as ViewHolder
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}
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onBindChildViewItem(
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groupPosition,
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childPosition,
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dataList[groupPosition].childList[childPosition],
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parent,
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viewHolder,
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isLastChild
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)
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return view
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}
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class ViewHolder(var itemView: View) {
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private var viewMap: MutableMap<Int, View> = mutableMapOf()
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var itemViewType = 0
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fun <T : View> getView(@IdRes viewId: Int): T {
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var view = viewMap[viewId]
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if (view == null) {
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view = itemView.findViewById(viewId)
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viewMap[viewId] = view
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}
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return view as T
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}
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fun setText(@IdRes viewId: Int, text: String) {
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val textView: TextView = getView(viewId)
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textView.text = text
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}
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fun setText(@IdRes viewId: Int, @StringRes textId: Int) {
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val textView: TextView = getView(viewId)
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textView.setText(textId)
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}
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/**
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* 设置文本
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* 如果文本为null或者空字符串则隐藏控件
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*/
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fun setTextIfEmptyHide(@IdRes viewId: Int, text: String) {
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val textView: TextView = getView(viewId)
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if (TextUtils.isEmpty(text)) {
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textView.visibility = View.GONE
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} else {
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textView.visibility = View.VISIBLE
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textView.text = text
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}
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}
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fun setImageResource(@IdRes viewId: Int, @DrawableRes resId: Int) {
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val imageView: ImageView = getView(viewId)
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imageView.setImageResource(resId)
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}
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fun setChecked(@IdRes viewId: Int, isChecked: Boolean) {
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val checkBox: CheckBox = getView(viewId)
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checkBox.isChecked = isChecked
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}
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}
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abstract fun getGroupItemLayoutId(): Int
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abstract fun getChildItemLayoutId(): Int
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/**
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* 分组数据绑定
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* @param groupPosition 索引位置
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* @param groupData 分组数据
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* @param holder 获取控件
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*/
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abstract fun onBindGroupViewItem(
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groupPosition: Int,
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groupData: G,
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parent: ViewGroup?,
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holder: ViewHolder,
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isExpanded: Boolean
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)
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/**
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* 子数据绑定
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* @param groupPosition 分组索引位置
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* @param childPosition 子数据索引位置
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* @param childData 子数据
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* @param holder 获取控件
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*/
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abstract fun onBindChildViewItem(
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groupPosition: Int,
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childPosition: Int,
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childData: C,
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parent: ViewGroup?,
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holder: ViewHolder,
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isLastChild: Boolean
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)
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fun removeGroupAt(groupPosition: Int) {
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this.dataList.removeAt(groupPosition)
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this.notifyDataSetChanged()
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}
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fun removeChildAt(groupPosition: Int, childPosition: Int) {
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this.dataList[groupPosition].childList.removeAt(childPosition)
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this.notifyDataSetChanged()
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}
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fun removeAll() {
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this.dataList.clear()
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this.notifyDataSetChanged()
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}
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fun refreshGroupItem(group: G, groupPosition: Int) {
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this.dataList[groupPosition].group = group
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this.notifyDataSetChanged()
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}
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fun refreshChildItem(child: C, groupPosition: Int, childPosition: Int) {
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this.dataList[groupPosition].childList[childPosition] = child
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this.notifyDataSetChanged()
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}
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fun refreshAll(dataList: MutableList<ExpandableData<G, C>>) {
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this.dataList = dataList
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this.notifyDataSetChanged()
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}
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}

‎library/src/main/java/com/yhw/library/adapter/BaseViewPager2FragmentAdapter.kt‎

Lines changed: 113 additions & 0 deletions
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package com.yhw.library.adapter
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import androidx.fragment.app.Fragment
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import androidx.fragment.app.FragmentActivity
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import androidx.viewpager2.adapter.FragmentStateAdapter
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class BaseViewPager2FragmentAdapter(
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fragmentActivity: FragmentActivity,
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private var fragmentList: MutableList<Fragment>
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) : FragmentStateAdapter(fragmentActivity), IAdapter<Fragment> {
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override fun getItemCount(): Int {
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return fragmentList.size
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}
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override fun createFragment(position: Int): Fragment {
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return fragmentList[position]
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}
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override fun refreshAll(dataList: MutableList<Fragment>) {
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this.fragmentList = dataList
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this.notifyDataSetChanged()
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}
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override fun refreshItem(data: Fragment, position: Int) {
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if (position >= itemCount) {
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return
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}
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this.fragmentList[position] = data
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this.notifyItemChanged(position)
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}
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/**
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* 插入数据
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*/
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override fun insertItem(data: Fragment, position: Int) {
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if (position > itemCount) {
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return
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}
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this.fragmentList.add(position, data)
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this.notifyItemRangeInserted(position, 1)
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if (position + 1 < itemCount) {
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this.notifyItemRangeChanged(position + 1, itemCount - position - 1)
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}
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}
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/**
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* 首部插入数据
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*/
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override fun insertItemToFirst(data: Fragment) {
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this.fragmentList.add(0, data)
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this.notifyItemInserted(0)
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if (itemCount > 1) {
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this.notifyItemRangeChanged(1, itemCount - 1)
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}
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}
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/**
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* 首部插入多条数据
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*/
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override fun insertItemToFirst(dataList: MutableList<Fragment>) {
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this.fragmentList.addAll(0, dataList)
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this.notifyItemRangeInserted(0, dataList.size)
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if (itemCount > dataList.size) {
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this.notifyItemRangeChanged(dataList.size, itemCount - dataList.size)
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}
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}
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/**
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* 尾部追加数据
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*/
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override fun appendItem(data: Fragment) {
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this.fragmentList.add(data)
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this.notifyItemInserted(itemCount)
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}
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/**
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* 尾部追加多条数据
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*/
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override fun appendItem(dataList: MutableList<Fragment>) {
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this.fragmentList.addAll(dataList)
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this.notifyItemRangeInserted(itemCount, dataList.size)
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}
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override fun removeAt(position: Int) {
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if (position >= itemCount) {
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return
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}
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this.fragmentList.removeAt(position)
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this.notifyItemRemoved(position)
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if (itemCount > 0 && position < itemCount) {
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this.notifyItemRangeChanged(position, itemCount - position)
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}
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}
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override fun removeAt(positionList: MutableList<Int>) {
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if (positionList.size >= itemCount) {
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return
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}
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for (i in positionList) {
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this.fragmentList.removeAt(i)
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}
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this.notifyDataSetChanged()
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}
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/**
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* 清除所有数据
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*/
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override fun removeAll() {
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this.fragmentList.clear()
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this.notifyDataSetChanged()
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}
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}

‎library/src/main/java/com/yhw/library/adapter/BaseViewPagerFragmentAdapter.kt‎

Lines changed: 23 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -2,16 +2,35 @@ package com.yhw.library.adapter
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import androidx.fragment.app.Fragment
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import androidx.fragment.app.FragmentManager
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import androidx.fragment.app.FragmentPagerAdapter
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import androidx.fragment.app.FragmentStatePagerAdapter
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/**
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* ViewPage的基类adapter
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* Fragment
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*/
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class BaseViewPagerFragmentAdapter(
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fm: FragmentManager,
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class BaseViewPagerFragmentAdapter : FragmentStatePagerAdapter, IAdapter<Fragment> {
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private var fragmentList: MutableList<Fragment>
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) : FragmentPagerAdapter(fm), IAdapter<Fragment> {
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constructor(
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fm: FragmentManager,
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fragmentList: MutableList<Fragment>
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) : super(fm) {
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this.fragmentList = fragmentList
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}
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/**
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* @param behavior FragmentStatePagerAdapter.BEHAVIOR_SET_USER_VISIBLE_HINT,
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* FragmentStatePagerAdapter.BEHAVIOR_RESUME_ONLY_CURRENT_FRAGMENT
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*/
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constructor(
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fm: FragmentManager,
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behavior: Int,
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fragmentList: MutableList<Fragment>
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) : super(fm, behavior) {
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this.fragmentList = fragmentList
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}
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override fun getCount(): Int {
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return fragmentList.size
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}

‎library/src/main/java/com/yhw/library/data/ExpandableData.kt‎

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package com.yhw.library.data
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/**
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* BaseExpandableListAdapter的数据类
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* @param G 分组类型
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* @param C 子数据类型
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*/
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data class ExpandableData<G, C>(
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var group: G,
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var childList: MutableList<C>
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)

‎sample/build.gradle‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
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implementation 'com.google.android.material:material:1.1.0'
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implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
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implementation project(path: ':library')
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// implementation 'com.yhw.library:fastadapter:0.0.1'
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// implementation 'com.yhw.library:fastadapter:1.0.0'
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implementation 'androidx.legacy:legacy-support-v4:1.0.0'
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testImplementation 'junit:junit:4.+'
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androidTestImplementation 'androidx.test.ext:junit:1.1.1'

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