默认10条，下拉加载更多

Components/BUserOrder/src/main/java/com/yidian/shenghuoquan/buserorder/ui/OrderListActivity.kt

@@ -4,6 +4,7 @@ import android.graphics.Typeface
 import android.graphics.drawable.Drawable
 import androidx.activity.viewModels
 import com.scwang.smart.refresh.layout.api.RefreshLayout
+import com.scwang.smart.refresh.layout.listener.OnLoadMoreListener
 import com.scwang.smart.refresh.layout.listener.OnRefreshListener
 import com.yidian.bcommon.constant.XRouterPathConstants
 import com.yidian.bcommon.extensions.initTitleBar
@@ -18,7 +19,7 @@ import com.yidian.xpage.XPageViewProtocol
 import timber.log.Timber
 
 
-class OrderListActivity : BaseMvvmActivity<BorderActivityOrderListBinding, OrderListViewModel>() ,XPageViewProtocol, OnRefreshListener{
+class OrderListActivity : BaseMvvmActivity<BorderActivityOrderListBinding, OrderListViewModel>() ,XPageViewProtocol, OnRefreshListener, OnLoadMoreListener{
 
   override val layoutId: Int = R.layout.border_activity_order_list
 
@@ -26,6 +27,7 @@ class OrderListActivity : BaseMvvmActivity<BorderActivityOrderListBinding, Order
 
   private lateinit var listAdapter: OrderListAdapter
 
+
   override fun initView() {
     initTitleBar(binding.orderListToolbar, binding.tvTitle, "参与的")
     SystemBarUtils.setStatusBarTextColorWhite(this)
@@ -39,6 +41,12 @@ class OrderListActivity : BaseMvvmActivity<BorderActivityOrderListBinding, Order
     binding.rcvOrderList.addItemDecoration(SpaceItemDecoration(spacingInPixels))
     vm._orderList.observe(this, {
       Timber.tag("OrderListObsver").i(">>>>>>>>>>>>>>>>>>>>>>>>")
+      if (binding.smartRefresh.isRefreshing) {
+        binding.smartRefresh.finishRefresh()
+      }
+      if (binding.smartRefresh.isLoading) {
+        binding.smartRefresh.finishLoadMore()
+      }
       listAdapter = OrderListAdapter()
       binding.rcvOrderList.adapter = listAdapter
       listAdapter.setList(it)
@@ -46,31 +54,28 @@ class OrderListActivity : BaseMvvmActivity<BorderActivityOrderListBinding, Order
   }
 
   private fun initClickEvent() {
-      binding.smartRefresh.setEnableLoadMore(false)
       binding.smartRefresh.setOnRefreshListener(this)
+      binding.smartRefresh.setOnLoadMoreListener(this)
       binding.smartRefresh.autoRefresh()
       binding.tvRefunded.setOnClickListener {
+        vm._listType = OrderListViewModel.REFUND
         binding.tvRefunded.setTypeface(Typeface.defaultFromStyle(Typeface.BOLD))
         val dra: Drawable? = getDrawable(R.drawable.icon_react_under_text)
         dra!!.setBounds(0, 0, dra!!.intrinsicWidth, dra!!.intrinsicHeight)
         binding.tvRefunded.setCompoundDrawables(null, null, null, dra)
         binding.tvOrderlistAll.setTypeface(Typeface.defaultFromStyle(Typeface.NORMAL))
         binding.tvOrderlistAll.setCompoundDrawables(null, null, null, null)
-        var param = HashMap<String, String?>()
-        param["order_status"] = "5"
-        param["business_from"] = "2"
-        vm.requestUserOrder(param)
+        vm.requestFreshUserOrder(HashMap<String, String?>())
       }
       binding.tvOrderlistAll.setOnClickListener {
+        vm._listType = OrderListViewModel.NORMAL
         binding.tvRefunded.setTypeface(Typeface.defaultFromStyle(Typeface.NORMAL))
         binding.tvRefunded.setCompoundDrawables(null, null, null, null)
         binding.tvOrderlistAll.setTypeface(Typeface.defaultFromStyle(Typeface.BOLD))
         val dra: Drawable? = getDrawable(R.drawable.icon_react_under_text)
         dra!!.setBounds(0, 0, dra!!.intrinsicWidth, dra!!.intrinsicHeight)
         binding.tvOrderlistAll.setCompoundDrawables(null, null, null, dra)
-        var param = HashMap<String, String?>()
-        param["business_from"] = "2"
-        vm.requestUserOrder(param)
+        vm.requestFreshUserOrder(HashMap<String, String?>())
       }
   }
 
@@ -83,10 +88,11 @@ class OrderListActivity : BaseMvvmActivity<BorderActivityOrderListBinding, Order
   }
 
   override fun onRefresh(refreshLayout: RefreshLayout) {
-    var param = HashMap<String, String?>()
-    param["business_from"] = "2"
-    vm.requestUserOrder(param)
-    binding.smartRefresh.finishRefresh()
+    vm.requestFreshUserOrder(HashMap<String, String?>())
+  }
+
+  override fun onLoadMore(refreshLayout: RefreshLayout) {
+    vm.requestLoadMoreUserOrder(HashMap<String, String?>())
   }
 
 }

Components/BUserOrder/src/main/java/com/yidian/shenghuoquan/buserorder/viewmodel/OrderListViewModel.kt

@@ -8,14 +8,20 @@ import com.yidian.shenghuoquan.buserorder.http.UserOrderListOperation
 import com.yidian.shenghuoquan.buserorder.http.callback.OrderListCallBack
 
 class OrderListViewModel : BaseViewModel(){
+    companion object {
+      const val NORMAL = "NORMAL"
+      const val REFUND = "REFUND"
+    }
 
     private var orderList:MutableLiveData<List<OrderWebData>> = MutableLiveData<List<OrderWebData>>()
     var _orderList:LiveData<List<OrderWebData>> = orderList
-
-    fun requestUserOrder(param:HashMap<String, String?>) {
-      UserOrderListOperation.userOrderList(param, orderListCallBack)
+    var _listType:String = NORMAL
+    fun requestFreshUserOrder(param:HashMap<String, String?>) {
+      UserOrderListOperation.userOrderList(generateRereshParma(param), orderListCallBack)
     }
-
+  fun requestLoadMoreUserOrder(param:HashMap<String, String?>) {
+    UserOrderListOperation.userOrderList(generateLoadmoreParma(param), orderListCallBack)
+  }
     private var orderListCallBack = object : OrderListCallBack {
       override fun onOrderListCallback(orders: List<OrderWebData>?) {
         if (orders != null) {
@@ -23,4 +29,21 @@ class OrderListViewModel : BaseViewModel(){
         }
       }
     }
+
+  private fun generateLoadmoreParma(param:HashMap<String, String?>):HashMap<String, String?> {
+    param["business_from"] = "2"
+    if (_listType == REFUND) {
+      param["order_status"] = "5"
+    }
+    param["num"] = "${_orderList.value!!.size + 10}"
+    return param
+  }
+  private fun generateRereshParma(param:HashMap<String, String?>):HashMap<String, String?> {
+    param["business_from"] = "2"
+    if (_listType == REFUND) {
+      param["order_status"] = "5"
+    }
+    param["num"] = "10"
+    return param
+  }
 }