recyclerview嵌套Recyclerview 冲突解决方案

.idea/misc.xml

@@ -5,6 +5,7 @@
       <map>
         <entry key="../../../../layout/custom_preview.xml" value="0.11757215619694397" />
         <entry key="../../.gradle/caches/transforms-3/e02e405d5d7f7951fc2dc1c87c92bf5d/transformed/jetified-coolindicator-1.0.0-beta/res/drawable/default_drawable_indicator.xml" value="0.1" />
+        <entry key="../../Library/Android/sdk/platforms/android-31/data/res/layout/test_list_item.xml" value="0.16041666666666668" />
         <entry key="..\:/ASproject/base/Base/src/main/res/layout/layout_tab.xml" value="0.22871376811594202" />
         <entry key="..\:/ASproject/base/app/src/main/res/layout/activity_login.xml" value="0.36770833333333336" />
         <entry key="Base/src/main/res/drawable/bg_bottom_05_line_gray.xml" value="0.1295" />
@@ -65,11 +66,14 @@
         <entry key="app/src/main/res/layout/fragment_demo.xml" value="0.15885416666666666" />
         <entry key="app/src/main/res/layout/fragment_demo_load.xml" value="0.20677083333333332" />
         <entry key="app/src/main/res/layout/fragment_glide.xml" value="0.165625" />
-        <entry key="app/src/main/res/layout/fragment_home.xml" value="0.21927083333333333" />
+        <entry key="app/src/main/res/layout/fragment_home.xml" value="0.1" />
         <entry key="app/src/main/res/layout/fragment_rv.xml" value="0.21979166666666666" />
         <entry key="app/src/main/res/layout/item_banner.xml" value="0.17" />
+        <entry key="app/src/main/res/layout/item_circle.xml" value="0.25" />
         <entry key="app/src/main/res/layout/item_home_title.xml" value="0.21" />
         <entry key="app/src/main/res/layout/item_img.xml" value="0.3567708333333333" />
+        <entry key="app/src/main/res/layout/item_learn.xml" value="0.2828125" />
+        <entry key="app/src/main/res/layout/item_learn1.xml" value="0.2703804347826087" />
         <entry key="app/src/main/res/layout/item_string.xml" value="0.21979166666666666" />
         <entry key="app/src/main/res/layout/layout_string.xml" value="0.21875" />
         <entry key="app/src/main/res/layout/layout_student.xml" value="0.2390625" />

Base/src/main/java/com/xx/utils/manager/CenterLayoutManager.kt

+package com.xx.utils.manager
+
+import android.content.Context
+import android.util.AttributeSet
+import android.util.DisplayMetrics
+import androidx.recyclerview.widget.LinearLayoutManager
+import androidx.recyclerview.widget.LinearSmoothScroller
+import androidx.recyclerview.widget.RecyclerView
+
+class CenterLayoutManager : LinearLayoutManager {
+
+    constructor(context: Context?) : super(context)
+    constructor(context: Context?, orientation: Int, reverseLayout: Boolean) : super(
+        context,
+        orientation,
+        reverseLayout
+    )
+
+    constructor(
+        context: Context?,
+        attrs: AttributeSet?,
+        defStyleAttr: Int,
+        defStyleRes: Int
+    ) : super(context, attrs, defStyleAttr, defStyleRes)
+
+
+    override fun smoothScrollToPosition(
+        recyclerView: RecyclerView,
+        state: RecyclerView.State,
+        position: Int
+    ) {
+        var smoothScroller = CenterSmoothScroller(recyclerView.context);
+        smoothScroller.targetPosition = position;
+        startSmoothScroll(smoothScroller);
+    }
+
+    companion object
+    class CenterSmoothScroller : LinearSmoothScroller {
+        constructor(context: Context?) : super(context)
+
+        override fun calculateDtToFit(
+            viewStart: Int,
+            viewEnd: Int,
+            boxStart: Int,
+            boxEnd: Int,
+            snapPreference: Int
+        ): Int {
+            return boxStart + (boxEnd - boxStart) / 2 - (viewStart + (viewEnd - viewStart) / 2)
+        }
+
+        override fun calculateSpeedPerPixel(displayMetrics: DisplayMetrics): Float {
+            return 100f / displayMetrics.densityDpi;
+        }
+
+    }
+
+
+}
\ No newline at end of file

Base/src/main/java/com/xx/view/MyRecyclerView.kt

+package com.xx.view
+
+import android.content.Context
+import android.util.AttributeSet
+import android.view.MotionEvent
+import androidx.recyclerview.widget.RecyclerView
+import com.xx.expand.log
+
+class MyRecyclerView : RecyclerView {
+    constructor(context: Context) : super(context)
+    constructor(context: Context, attrs: AttributeSet?) : super(context, attrs)
+    constructor(context: Context, attrs: AttributeSet?, defStyleAttr: Int) : super(
+        context,
+        attrs,
+        defStyleAttr
+    )
+
+    var ding: Boolean = false
+    override fun dispatchTouchEvent(ev: MotionEvent?): Boolean {
+        var canScrollVertically = canScrollVertically(-1)
+//        ("这个时候是到顶了吗" + !canScrollVertically).log()
+//        if (canScrollVertically(-1) && ding) {//没有到顶
+//            ding = true
+//        parent.requestDisallowInterceptTouchEvent(true)
+//        }
+
+        val dispatchTouchEvent = super.dispatchTouchEvent(ev)
+        "MyRecyclerView - dispatchTouchEvent - $dispatchTouchEvent".log()
+        return dispatchTouchEvent
+    }
+
+    override fun onInterceptTouchEvent(e: MotionEvent?): Boolean {
+        var onInterceptTouchEvent = super.onInterceptTouchEvent(e)
+        "MyRecyclerView - onInterceptTouchEvent - $onInterceptTouchEvent".log()
+        return onInterceptTouchEvent
+//        return onInterceptTouchEvent
+    }
+
+    override fun onTouchEvent(e: MotionEvent?): Boolean {
+        var onTouchEvent = super.onTouchEvent(e)
+        "MyRecyclerView - onTouchEvent-$onTouchEvent".log()
+        return onTouchEvent
+    }
+
+
+}
\ No newline at end of file

Base/src/main/java/com/xx/view/ParRecyclerView.kt

+package com.xx.view
+
+import android.content.Context
+import android.util.AttributeSet
+import android.view.MotionEvent
+import androidx.recyclerview.widget.RecyclerView
+import com.xx.expand.log
+
+class ParRecyclerView : RecyclerView {
+    constructor(context: Context) : super(context)
+    constructor(context: Context, attrs: AttributeSet?) : super(context, attrs)
+    constructor(context: Context, attrs: AttributeSet?, defStyleAttr: Int) : super(
+        context,
+        attrs,
+        defStyleAttr
+    )
+
+    override fun dispatchTouchEvent(ev: MotionEvent?): Boolean {
+        var dispatchTouchEvent = super.dispatchTouchEvent(ev)
+        "ParRecyclerView - dispatchTouchEvent - $dispatchTouchEvent".log()
+
+        return dispatchTouchEvent
+    }
+
+    override fun onInterceptTouchEvent(e: MotionEvent?): Boolean {
+        var onInterceptTouchEvent = super.onInterceptTouchEvent(e)
+        "ParRecyclerView - onInterceptTouchEvent - $onInterceptTouchEvent".log()
+
+        return onInterceptTouchEvent
+    }
+
+    override fun onTouchEvent(e: MotionEvent?): Boolean {
+        var onTouchEvent = super.onTouchEvent(e)
+        "ParRecyclerView - onTouchEvent--$onTouchEvent".log()
+        return onTouchEvent
+    }
+
+
+}
\ No newline at end of file

app/src/main/java/com/xxx/kotlinlearn/adapter/viewBinder/home/LearnBinder.kt

+package com.xxx.kotlinlearn.adapter.viewBinder.home
+
+import android.view.LayoutInflater
+import android.view.ViewGroup
+import androidx.recyclerview.widget.RecyclerView
+import com.drake.brv.utils.linear
+import com.drake.brv.utils.setup
+import com.xx.utils.manager.CenterLayoutManager
+import com.xxx.kotlinlearn.R
+import com.xxx.kotlinlearn.bean.LearnBean
+import com.xxx.kotlinlearn.bean.NeedLearnBeanWrap
+import com.xxx.kotlinlearn.databinding.ItemLearn1Binding
+import com.xxx.kotlinlearn.databinding.ItemLearnBinding
+import me.drakeet.multitype.ItemViewBinder
+
+
+class LearnBinder : ItemViewBinder<NeedLearnBeanWrap, LearnBinder.BannerHolder>() {
+    class BannerHolder(var binding: ItemLearnBinding) : RecyclerView.ViewHolder(binding.root) {
+        fun processLogic(bean: NeedLearnBeanWrap) {
+
+            binding.rv.linear(orientation = RecyclerView.VERTICAL).setup {
+                addType<LearnBean>(R.layout.item_learn1)
+                onBind {
+                    var binding1 = getBinding<ItemLearn1Binding>()
+                    binding1.tvTitle.text = getModel<LearnBean>().title
+                }
+            }.models = bean.learnBeanList
+
+        }
+
+    }
+
+    override fun onCreateViewHolder(inflater: LayoutInflater, parent: ViewGroup): BannerHolder {
+        return BannerHolder(ItemLearnBinding.inflate(inflater, parent, false))
+    }
+
+    override fun onBindViewHolder(holder: BannerHolder, item: NeedLearnBeanWrap) {
+        holder.processLogic(item)
+    }
+
+
+}
\ No newline at end of file

app/src/main/java/com/xxx/kotlinlearn/bean/LearnBean.kt

+package com.xxx.kotlinlearn.bean
+
+data class LearnBean(
+    val title: String,
+    val desc: String = "",
+)
\ No newline at end of file

app/src/main/java/com/xxx/kotlinlearn/bean/NeedLearnBeanWrap.kt

+package com.xxx.kotlinlearn.bean
+
+data class NeedLearnBeanWrap(
+    val learnBeanList: ArrayList<LearnBean>
+)

app/src/main/java/com/xxx/kotlinlearn/fragment/HomeFragment.kt

@@ -4,10 +4,9 @@ import android.os.Bundle
 import androidx.recyclerview.widget.LinearLayoutManager
 import com.xx.base.BaseBindingFragment
 import com.xxx.kotlinlearn.adapter.viewBinder.home.BannerBinder
+import com.xxx.kotlinlearn.adapter.viewBinder.home.LearnBinder
 import com.xxx.kotlinlearn.adapter.viewBinder.home.TitleBinder
-import com.xxx.kotlinlearn.bean.BannerBean
-import com.xxx.kotlinlearn.bean.BannerBeanWrap
-import com.xxx.kotlinlearn.bean.TitleBean
+import com.xxx.kotlinlearn.bean.*
 import com.xxx.kotlinlearn.databinding.FragmentHomeBinding
 import me.drakeet.multitype.MultiTypeAdapter
 
@@ -25,9 +24,10 @@ class HomeFragment : BaseBindingFragment<FragmentHomeBinding>() {
         multiTypeAdapter = MultiTypeAdapter()
         multiTypeAdapter.register(BannerBeanWrap::class.java, BannerBinder())
         multiTypeAdapter.register(TitleBean::class.java, TitleBinder())
+        multiTypeAdapter.register(NeedLearnBeanWrap::class.java, LearnBinder())
 
-        d.recyclerView.adapter = multiTypeAdapter
 
+        d.recyclerView.adapter = multiTypeAdapter
         multiTypeAdapter.items = getData()
 
     }
@@ -66,8 +66,42 @@ class HomeFragment : BaseBindingFragment<FragmentHomeBinding>() {
         var allList = ArrayList<Any>();
         allList.add(bannerBeanWrap)
 
-        var titleBean = TitleBean("需要学习的内容")
-        allList.add(titleBean)
+        for (i in 0..20) {
+            var titleBean = TitleBean("需要学习的内容")
+            allList.add(titleBean)
+        }
+
+
+        //横向需要学习的内容
+        var learnBeanList = ArrayList<LearnBean>()
+        learnBeanList.add(LearnBean("你好"))
+        learnBeanList.add(LearnBean("你好"))
+        learnBeanList.add(LearnBean("你好"))
+        learnBeanList.add(LearnBean("你好"))
+        learnBeanList.add(LearnBean("你好"))
+        learnBeanList.add(LearnBean("你好"))
+        learnBeanList.add(LearnBean("你好"))
+        learnBeanList.add(LearnBean("你好"))
+        learnBeanList.add(LearnBean("你好"))
+        learnBeanList.add(LearnBean("你好"))
+        learnBeanList.add(LearnBean("你好"))
+        learnBeanList.add(LearnBean("你好"))
+        learnBeanList.add(LearnBean("你好"))
+        learnBeanList.add(LearnBean("你好"))
+        learnBeanList.add(LearnBean("你好"))
+        learnBeanList.add(LearnBean("你好"))
+        learnBeanList.add(LearnBean("你好"))
+        learnBeanList.add(LearnBean("你好"))
+        learnBeanList.add(LearnBean("你好"))
+        learnBeanList.add(LearnBean("你好"))
+        learnBeanList.add(LearnBean("你好"))
+        learnBeanList.add(LearnBean("你好"))
+        learnBeanList.add(LearnBean("你好"))
+        var learnBeanWrap = NeedLearnBeanWrap(learnBeanList)
+        allList.add(learnBeanWrap)
+
+
+
         return allList
 
     }

app/src/main/res/layout/fragment_home.xml

@@ -8,13 +8,13 @@
         tools:ignore="MissingDefaultResource">
 
 
-    <androidx.recyclerview.widget.RecyclerView
+    <com.xx.view.ParRecyclerView
             android:id="@+id/recyclerView"
             android:layout_marginTop="85dp"
             android:layout_width="match_parent"
             android:layout_height="match_parent">
 
-    </androidx.recyclerview.widget.RecyclerView>
+    </com.xx.view.ParRecyclerView>
 
     <LinearLayout
             android:layout_width="match_parent"

app/src/main/res/layout/item_learn.xml

+<?xml version="1.0" encoding="utf-8"?>
+<com.xx.view.MyRecyclerView xmlns:android="http://schemas.android.com/apk/res/android"
+        android:layout_width="match_parent"
+        android:id="@+id/rv"
+        android:layout_height="500dp">
+
+</com.xx.view.MyRecyclerView>
\ No newline at end of file

app/src/main/res/layout/item_learn1.xml

+<?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>
+
+    </data>
+
+    <com.xx.view.round.RoundCropViewLayout
+            android:id="@+id/rc"
+            android:layout_width="45dp"
+            app:rv_cornerRadius="45dp"
+            app:rv_backgroundColor="@color/red_400"
+            android:layout_height="45dp">
+
+        <TextView
+                android:id="@+id/tvTitle"
+                android:layout_width="wrap_content"
+                android:layout_centerInParent="true"
+                android:layout_height="wrap_content">
+
+        </TextView>
+
+    </com.xx.view.round.RoundCropViewLayout>
+</layout>
\ No newline at end of file