Android：RecyclerView封装，打造列表极简加载

mBinding.recycler.linear().divider()
            .set<OrdinaryListBean> {
                addLayout(R.layout.layout_ordinary_item)
            }.setList(getList())

allprojects {
    repositories {
        maven { url "https://gitee.com/AbnerAndroid/almighty/raw/master" }
    }
}

dependencies {
    implementation 'com.vip:relist:1.0.5'//一个包含了列表加载和下拉刷新、上拉加载的库，它包含了下面的两个库，使用它，下面的两个就不要引用了。
    implementation 'com.vip:list:1.0.4'//列表加载库，如果使用了relist，这个不要再引用
    implementation 'com.vip:refresh:1.0.0'//下拉刷新、上拉加载库，如果使用了relist，这个不要再引用
}

class OrdinaryListAdapter : BaseAdapter<OrdinaryListBean>(R.layout.layout_ordinary_item) {

    override fun dataOperation(holder: BaseViewHolder, t: OrdinaryListBean?, position: Int) {

        t?.title?.let {
            holder.setText(R.id.tv_title, it)
        }

        t?.desc?.let {
            holder.setText(R.id.tv_desc, it)
        }

        val ivPic = holder.findView<ImageView>(R.id.iv_pic)

        t?.icon?.let {
            ivPic.setImageResource(it)
        }


    }
}

val manger = LinearLayoutManager(requireContext())
        manger.orientation = LinearLayoutManager.VERTICAL
        //设置布局管理器
        mBinding.recycler.layoutManager = manger

        val adapter = OrdinaryListAdapter()
        //设置适配器
        mBinding.recycler.adapter = adapter

        //设置分割线
        mBinding.recycler.addItemDecoration(
            ItemDivider(
                Color.parseColor("#cccccc"),
                RecyclerView.VERTICAL, 0
            )
        )

        //设置数据
        adapter.setList(getList())

        adapter.setOnItemClickListener {
            //条目点击事件
            Toast.makeText(requireContext(), "当前点击条目为：$it", Toast.LENGTH_SHORT).show()
        }

val adapter = OrdinaryListAdapter()

  mBinding.recycler.linear()//设置布局管理器
            .divider()//设置分割线
            .adapter=adapter//设置适配器

       //设置数据
        adapter.setList(getList())

        adapter.setOnItemClickListener {
            //条目点击事件
            Toast.makeText(requireContext(), "当前点击条目为：$it", Toast.LENGTH_SHORT).show()
        }

垂直列表：linear()
横向列表：linear(RecyclerView.HORIZONTAL)
网格列表：grid(2)，一列展示几个，传递数值即可
瀑布流列表：staggered(2)，一列展示几个，传递数值即可

mBinding.recycler.linear()
            .divider()
            .set<OrdinaryListBean> {
                addLayout(R.layout.layout_ordinary_item)
                bindData {
                    //获取DataBinding
                    val binding = getDataBinding<LayoutOrdinaryItemBinding>()
                    //获取Model
                    val model = getModel(adapterPosition)
                    binding?.apply {
                        tvTitle.text = model.title
                        tvDesc.text = model.desc
                        ivPic.setImageResource(model.icon!!)
                    }
                    setOnItemClickListener {
                        //条目点击事件
                        Toast.makeText(requireContext(), "当前点击条目为：$it", Toast.LENGTH_SHORT)
                            .show()
                    }
                }

            }.setList(getList())

class OrdinaryMultipleItemAdapter : BaseMultipleItemAdapter {

    constructor() {
        //添加多条目类型以及绑定的数据对象
        addLayout<MultipleItem01Bean>(R.layout.layout_ordinary_multiple_01)
        addLayout<MultipleItem02Bean>(R.layout.layout_ordinary_multiple_02)
        addLayout<MultipleItem03Bean>(R.layout.layout_ordinary_multiple_03)
    }

    override fun bindOperation(holder: BaseViewHolder, t: BaseMultipleItem?, position: Int) {

        when (holder.itemViewType) {
            1 -> {
                val bean = t as MultipleItem01Bean
                holder.setText(R.id.tv_title, bean.title!!)
                holder.setText(R.id.tv_desc, bean.desc!!)
                val ivPic = holder.findView<ImageView>(R.id.iv_pic)
                ivPic.setImageDrawable(bean.icon)
            }
            2 -> {
                val bean = t as MultipleItem02Bean
                val ivPic01 = holder.findView<ImageView>(R.id.iv_01)
                val ivPic02 = holder.findView<ImageView>(R.id.iv_02)
                val ivPic03 = holder.findView<ImageView>(R.id.iv_03)

                ivPic01.setImageDrawable(bean.icon01)
                ivPic02.setImageDrawable(bean.icon02)
                ivPic03.setImageDrawable(bean.icon03)
            }
            3 -> {
                val bean = t as MultipleItem03Bean
                holder.setText(R.id.tv_content, bean.content!!)
            }
        }
    }

}

val adapter = OrdinaryMultipleItemAdapter()
        mBinding.recycler.linear()
            .divider().adapter = adapter
        adapter.setList(getMoreList())

mBinding.recycler.linear()
            .divider()
            .setMore {
                addLayout<MultipleItem01Bean>(R.layout.layout_multiple_01, BR.multiple1)
                addLayout<MultipleItem02Bean>(R.layout.layout_multiple_02, BR.multiple2)
                addLayout<MultipleItem03Bean>(R.layout.layout_multiple_03, BR.multiple3)
                bindData {

                }
            }.setList(getMoreList())

mBinding.recycler.linear().divider()
            .set<OrdinaryListBean> {
                addLayout(R.layout.layout_ordinary_bind_item, BR.ordinary)
                setOnItemViewClickListener { view, position ->
                    //条目点击事件
                    Toast.makeText(requireContext(), "当前点击条目为：$position", Toast.LENGTH_SHORT).show()
                }
            }.setList(getList())

<?xml version="1.0" encoding="utf-8"?>
<layout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto">

    <data>

        <variable
            name="ordinary"
            type="com.abner.list.ordinary.OrdinaryListBean" />
    </data>

    <androidx.constraintlayout.widget.ConstraintLayout
        android:layout_width="match_parent"
        android:layout_height="@dimen/vip_dp_80"
        android:paddingLeft="@dimen/vip_dp_20"
        android:paddingRight="@dimen/vip_dp_20">

        <ImageView
            android:id="@+id/iv_pic"
            android:layout_width="@dimen/vip_dp_60"
            android:layout_height="@dimen/vip_dp_60"
            android:src="@mipmap/vip_list_logo"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintLeft_toLeftOf="parent"
            app:layout_constraintTop_toTopOf="parent" />

        <LinearLayout
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginStart="@dimen/vip_dp_10"
            android:orientation="vertical"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintLeft_toRightOf="@id/iv_pic"
            app:layout_constraintTop_toTopOf="parent">

            <TextView
                android:id="@+id/tv_title"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="@{ordinary.title}"
                android:textColor="#222222"
                android:textSize="@dimen/vip_sp_16" />

            <TextView
                android:id="@+id/tv_desc"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginTop="@dimen/vip_dp_10"
                android:text="@{ordinary.desc}"
                android:textColor="#666666"
                android:textSize="@dimen/vip_sp_14" />

        </LinearLayout>

    </androidx.constraintlayout.widget.ConstraintLayout>
</layout>

<?xml version="1.0" encoding="utf-8"?>
<layout xmlns:android="http://schemas.android.com/apk/res/android">

    <data>

        <variable
            name="model"
            type="com.abner.list.bind.RecyclerViewBindViewModel" />
    </data>

    <androidx.constraintlayout.widget.ConstraintLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent">

        <androidx.recyclerview.widget.RecyclerView
            android:id="@+id/recycler"
            listData="@{model.list}"
            listLayout="@{model.layoutId}"
            listManager="@{0}"
            listVariableName="@{model.listVariableName}"
            android:layout_width="match_parent"
            android:layout_height="match_parent" />

    </androidx.constraintlayout.widget.ConstraintLayout>
</layout>

class RecyclerViewBindViewModel : BaseViewModel() {

    val layoutId = R.layout.layout_ordinary_bind_item//item列表

    /**
     * AUTHOR:AbnerMing
     * INTRODUCE:获取视图绑定的name
     */
    fun getListVariableName(): Int {
        return BR.ordinary
    }

    /**
     * AUTHOR:AbnerMing
     * INTRODUCE:模拟数据
     */
    fun getList(): MutableList<OrdinaryListBean> {

        return mutableListOf<OrdinaryListBean>().apply {
            for (a in 0..20) {
                val bean = OrdinaryListBean()
                bean.title = "我是标题$a"
                bean.desc = "我是描述信息$a"
                bean.icon = R.mipmap.vip_list_logo
                add(bean)
            }
        }
    }
}

mBinding.recycler.linear()
            .divider()
            .set<OrdinaryListBean> {
                addLayout(R.layout.layout_ordinary_bind_item, BR.ordinary)
            }.setList(getList())

mAdapter?.addHead(R.layout.layout_head)//初始 添加头  不用刷新
mAdapter?.addFoot(R.layout.layout_foot)//初始 添加尾  不用刷新

mAdapter?.addHead(view, true)//追加头，需要刷新
 mAdapter?.addFoot(view, true)//追加尾，需要刷新

mAdapter?.removeHead()
mAdapter?.removeFooter()

//
mAdapter?.setList(getList())

mAdapter?.addData()

mAdapter?.removeData(0)

mAdapter = mBinding.recycler.linear()
            .divider()
            .set {
                addEmptyView(R.layout.layout_empty)//初始化 空页面
                addErrorView(R.layout.layout_error)//初始化  错误页面
                addLayout(R.layout.layout_item, BR.str)
            }

        //初始添加数据
        mAdapter?.setList(getList())

mBinding.recycler.linear()
            .drag()//支持拖拽
            .set<DragBean> {
                addLayout(R.layout.layout_drag_item, BR.drag)
            }.setList(getList())

class DragBean : BaseNoDragBean {
    override var isDrag = false

    var content = ""

}

mBinding.recycler
            .linear()
            .slideDelete()//支持侧滑删除 默认是左滑删除 0是右边  1是左右两边
            .set<String> {
                addLayout(R.layout.layout_main_item, BR.str)
            }.setList(getList())

mBinding.recycler
            .linear()
            .divider()
            .setSlide<String> {//如果要显示按钮 使用 setSlide
                addLayout(R.layout.layout_item)
                bindData {
                    val model = getModel(adapterPosition)
                    setText(R.id.tv_content, model)
                }
            }.setList(getList())

mBinding.recycler.linear()
            .stick()
            .set<StickHeaderBean> {
                addLayout(R.layout.layout_stick_item, BR.stick)
            }.setList(getList())

class StickHeaderBean : BaseStickHeaderBean {

    override var stickGroup: String = ""//分组标识

    var name = ""//普通内容
}

mBinding.recycler.linear().divider().set<SingleBean> {
            mNotifySingleChoice = true//开启单选刷新
            addLayout(R.layout.layout_single_choice_list_item, BR.single)
            bindData {
                val binding = this.getDataBinding<LayoutSingleChoiceListItemBinding>()
                //判断单选，直接判断  adapterPosition == mCheckPosition 即可
                binding?.checkbox?.isChecked = adapterPosition == mCheckPosition
                setOnItemViewClickListener { view, position ->
                    //条目点击
                    val singleBean = getList()[position]//单选 选择的对象
                    mViewModel.name.set(singleBean.name)
                }
            }
        }.setList(getList())

mBinding.recycler.linear().divider().set<MultipleBean> {
            mNotifyMultipleChoice = true//多选更新
            addLayout(R.layout.layout_multiple_choice_list_item, BR.multiple)
            bindData {
                //多选回调监听
                setOnMultipleChoiceListener {
                    var allPrice = 0.0f
                    it.forEach {
                        allPrice += it.price
                    }
                    mViewModel.commodityNumber.set("选择商品数量为：" + it.size)
                    mViewModel.allPrice.set("总价格为：$allPrice")
                }
            }
        }.setList(getList())

//上拉加载和下拉刷新，初始化头和尾
        ListConfig.apply {
            addRefreshHeader {
                ClassicsHeader(it)
            }
            addRefreshFooter {
                ClassicsFooter(it)
            }
        }

<com.abner.refresh.kernel.SmartRefreshLayout
        android:id="@+id/srl_layout"
        android:layout_width="match_parent"
        android:layout_height="match_parent">

        <androidx.recyclerview.widget.RecyclerView
            android:id="@+id/rv_view"
            android:layout_width="match_parent"
            android:layout_height="match_parent" />
    </com.abner.refresh.kernel.SmartRefreshLayout>

mSmartRefreshLayout?.setOnRefreshLoadMoreListener(object : OnRefreshLoadMoreListener {
            override fun onRefresh(refreshLayout: RefreshLayout) {
               
            }

            override fun onLoadMore(refreshLayout: RefreshLayout) {
             
            }
        })

<com.abner.relist.PageRefreshLayout
            android:id="@+id/refresh"
            android:layout_width="match_parent"
            android:layout_height="match_parent" />

mBinding.refresh.getRecycler().linear()
            .divider()
            .set<String> {
                addLayout(R.layout.layout_item, BR.str)
            }
        //刷新和加载
        mBinding.refresh.refresh { isRefresh, refreshLayout ->
            mViewModel.doHttp {
                addData(it)
            }
        }.autoRefresh()

setOnItemClickListener { 
                    
}

setOnItemViewClickListener { view, position ->
                   
 }