【发布时间】：2021-11-08 12:39:55
【问题描述】：
我一直在尝试使回收器视图与滚动视图而不是嵌套滚动视图一起使用，但我的用例是徒劳的，我需要使回收器视图以完整的布局滚动，用嵌套滚动视图轻松实现用例但它一直在调用 API，因为嵌套滚动视图需要知道它需要容纳多少个子视图。如果有任何其他解决方法或任何可以使分页与滚动或嵌套滚动视图一起使用的方法
这是我的 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"
xmlns:tools="http://schemas.android.com/tools">
<data>
<variable
name="viewModel"
type="comapp.viewmodels.HomeViewModel" />
</data>
<androidx.swiperefreshlayout.widget.SwipeRefreshLayout
android:id="@+id/swiperefresh"
android:layout_width="match_parent"
android:layout_height="match_parent">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical">
<include
android:id="@+id/toolbar"
layout="@layout/toolbar_home"
app:count="@{viewModel.cartCount}" />
<com.google.android.material.progressindicator.LinearProgressIndicator
android:id="@+id/progressBar"
android:layout_width="match_parent"
android:layout_height="wrap_content"
app:indicatorColor="@color/app_global_green"
android:indeterminate="true" />
<androidx.core.widget.NestedScrollView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:fillViewport="true">
<androidx.constraintlayout.widget.ConstraintLayout
android:layout_width="match_parent"
android:layout_height="wrap_content">
<androidx.cardview.widget.CardView
android:id="@+id/searchcard"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginStart="32dp"
android:layout_marginTop="8dp"
android:layout_marginEnd="32dp"
android:elevation="15dp"
android:visibility="gone"
app:cardCornerRadius="8dp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent">
<SearchView
android:id="@+id/search_view"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="@drawable/bg_search_view"
android:elevation="15dp"
android:queryHint="Search by Product ID or name" />
</androidx.cardview.widget.CardView>
<TextView
android:id="@+id/start_your_business"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true"
android:lines="2"
android:padding="8dp"
android:text="Apna karobar shuru karein \n asaani say"
android:textAlignment="center"
android:textAppearance="@style/start_your_"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/searchcard" />
<androidx.cardview.widget.CardView
android:id="@+id/btn_watch_video"
android:layout_width="150dp"
android:layout_height="wrap_content"
android:layout_below="@id/start_your_business"
android:layout_centerHorizontal="true"
android:layout_marginTop="8dp"
android:backgroundTint="@color/green_dark"
app:cardCornerRadius="8dp"
app:cardElevation="15dp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/start_your_business">
<TextView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_gravity="center"
android:layout_margin="8dp"
android:gravity="center"
android:text="@string/watch_video"
android:textColor="@color/white" />
</androidx.cardview.widget.CardView>
<ImageView
android:id="@+id/bg_home_image"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_below="@id/btn_watch_video"
android:layout_marginTop="8dp"
android:src="@drawable/ic_backhome"
android:visibility="visible"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/btn_watch_video" />
<!--
<TextView
android:id="@+id/top_categories"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/top_categories"
android:textAppearance="@style/home_headings"
android:padding="8dp"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@id/bg_home_image" />-->
<!--
<androidx.recyclerview.widget.RecyclerView
android:id="@+id/category_home_grid"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:clipToPadding="true"
android:orientation="horizontal"
app:layoutManager="androidx.recyclerview.widget.GridLayoutManager"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@id/top_categories"
app:listTopCategories="@{viewModel.topCategories}"
app:spanCount="2"
tools:itemCount="16"
tools:listitem="@layout/category_grid_view_home"/>
<ImageView
android:id="@+id/status_image"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:markazApiStatus="@{viewModel.status}" />-->
<ImageView
android:id="@+id/home_image"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_below="@id/btn_watch_video"
android:src="@drawable/home_image"
android:visibility="visible"
app:layout_constraintBottom_toBottomOf="@+id/bg_home_image"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.0"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="@+id/bg_home_image"
app:layout_constraintVertical_bias="1.0" />
<androidx.cardview.widget.CardView
android:id="@+id/sort"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_margin="4dp"
app:cardCornerRadius="8dp"
app:cardUseCompatPadding="true"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/top_catalogs">
<androidx.appcompat.widget.AppCompatSpinner
android:id="@+id/filterSpinner"
android:layout_width="@dimen/_270sdp"
android:layout_height="32dp"
android:layout_margin="4dp"
android:entries="@array/filterTypes"
android:spinnerMode="dropdown" />
</androidx.cardview.widget.CardView>
<TextView
android:id="@+id/top_catalogs"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@id/bg_home_image"
android:layout_marginTop="8dp"
android:padding="8dp"
android:text="@string/top_catalogs"
android:textAppearance="@style/home_headings"
android:visibility="visible"
app:layout_constraintEnd_toEndOf="@+id/home_image"
app:layout_constraintHorizontal_bias="0.068"
app:layout_constraintStart_toStartOf="@+id/home_image"
app:layout_constraintTop_toBottomOf="@+id/bg_home_image" />
<!-- <com.facebook.shimmer.ShimmerFrameLayout
android:id="@+id/shimmer"
android:forceHasOverlappingRendering="false"
android:layout_width="match_parent"
android:layout_height="wrap_content"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/sort"
app:layout_constraintVertical_bias="0.0">
<LinearLayout
android:layout_width="match_parent"
android:orientation="vertical"
android:layout_height="wrap_content">
<include layout="@layout/shimmer_catalog" />
<include layout="@layout/shimmer_catalog" />
<include layout="@layout/shimmer_catalog" />
<include layout="@layout/shimmer_catalog" />
<include layout="@layout/shimmer_catalog" />
<include layout="@layout/shimmer_catalog" />
<include layout="@layout/shimmer_catalog" />
</LinearLayout>
</com.facebook.shimmer.ShimmerFrameLayout>-->
<androidx.recyclerview.widget.RecyclerView
android:id="@+id/catalog_home_list"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_below="@id/top_catalogs"
android:layout_marginTop="8dp"
android:clipToPadding="true"
android:orientation="vertical"
android:visibility="visible"
app:layoutManager="androidx.recyclerview.widget.LinearLayoutManager"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/sort"
app:spanCount="1"
tools:itemCount="8"
tools:listitem="@layout/viewholder_catalog" />
<ImageView
android:id="@+id/status_image"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@id/top_catalogs"
android:layout_gravity="center_horizontal"
android:layout_marginTop="8dp"
android:visibility="visible"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/catalog_home_list" />
<androidx.cardview.widget.CardView
android:id="@+id/cvResellerInfo"
android:layout_width="match_parent"
android:layout_height="56dp"
android:layout_marginStart="44dp"
android:layout_marginTop="132dp"
android:layout_marginEnd="44dp"
android:visibility="invisible"
app:cardCornerRadius="8dp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.0"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="@+id/home_image">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent">
<ImageView
android:layout_width="150dp"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:layout_weight="1"
android:src="@drawable/ic_share_icon" />
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:layout_weight="1"
android:text="@string/share_product_and_place_order"
android:textStyle="bold" />
</LinearLayout>
</androidx.cardview.widget.CardView>
</androidx.constraintlayout.widget.ConstraintLayout>
</androidx.core.widget.NestedScrollView>
</LinearLayout>
</androidx.swiperefreshlayout.widget.SwipeRefreshLayout>
</layout>
【问题讨论】：
标签： android kotlin android-recyclerview android-nestedscrollview android-paging-3