我知道这很老了，但我真的很累，从这里或从外面的网页上搜索和尝试了很多解决方案。
问题是：当从API调用数据到垂直回收器视图时，它加载所有的数据而不考虑分页。
在水平回收器视图中成功工作
而且不需要任何滚动或屏幕触摸
NestedScroll视图包含2个回收器，其顺序如下
NestedScrollView作为父类
作为孩子的HorizontalRecyclerView
VerticalRecyclerView作为孩子
my XML file :
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout 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"
android:layout_width="match_parent"
android:layout_height="wrap_content"
app:layout_behavior="@string/appbar_scrolling_view_behavior"
tools:context="com.organizers_group.stadfm.Activities.NewsFeedHome"
tools:showIn="@layout/app_bar_news_feed_home">
<android.support.v4.widget.NestedScrollView
android:id="@+id/nestedScroll"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:scrollbars="none"
app:layout_behavior="@string/appbar_scrolling_view_behavior"
android:fillViewport="true">
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:paddingTop="@dimen/_5dp"
android:paddingBottom="@dimen/_7dp">
<RelativeLayout
android:id="@+id/linearLayout2"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginStart="8dp"
android:layout_marginEnd="8dp"
android:layout_marginBottom="8dp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.0"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="0.0">
<TextView
android:id="@+id/horizontalTitle"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/trending_stories"
android:layout_marginStart="@dimen/_10dp"
android:paddingTop="@dimen/_10dp"
android:paddingBottom="@dimen/_10dp"
android:fontFamily="@font/avenir_heavy"
android:textColor="@color/trending_stories_color"
android:textSize="@dimen/_20sp"/>
<io.supercharge.shimmerlayout.ShimmerLayout
android:id="@+id/shimmer_horizontal"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="horizontal"
android:layout_below="@+id/horizontalTitle"
app:shimmer_animation_duration="1200">
<!-- Adding rows of placeholders -->
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">
<include layout="@layout/place_holder" />
<include layout="@layout/place_holder" />
<include layout="@layout/place_holder" />
</LinearLayout>
</io.supercharge.shimmerlayout.ShimmerLayout>
<android.support.v7.widget.RecyclerView
android:id="@+id/horizontalRecycler"
android:layout_width="match_parent"
android:layout_below="@+id/trending_story"
android:layout_height="wrap_content"
android:orientation="horizontal" />
<ProgressBar
android:id="@+id/pBLoading"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:indeterminate="true"
android:visibility="invisible"
android:layout_alignParentBottom="true"
style="?android:attr/progressBarStyleHorizontal" />
</RelativeLayout>
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentStart="true"
android:layout_below="@+id/linearLayout2"
android:orientation="vertical"
android:layout_margin="@dimen/_8dp"
android:descendantFocusability="blocksDescendants"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.0"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/linearLayout2"
app:layout_constraintVertical_bias="0.032"
app:layout_constraintVertical_weight="1">
<LinearLayout
android:id="@+id/storiesLayout"
android:orientation="horizontal"
android:layout_width="match_parent"
android:layout_height="wrap_content">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="@dimen/_10dp"
android:paddingBottom="@dimen/_5dp"
android:text="@string/your_stories"
android:fontFamily="@font/avenir_heavy"
android:textColor="@color/stories_color"
android:textSize="@dimen/_20sp" />
<ImageView
android:id="@+id/moreStoriesImg"
android:layout_width="@dimen/_40dp"
android:layout_height="@dimen/_40dp"
android:src="@drawable/more"
android:layout_gravity="center"/>
</LinearLayout>
<io.supercharge.shimmerlayout.ShimmerLayout
android:id="@+id/shimmer_vertical"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_below="@id/story_layout"
android:orientation="vertical"
app:shimmer_animation_duration="1200">
<!-- Adding placeholders -->
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical">
<include layout="@layout/place_holder" />
<include layout="@layout/place_holder" />
</LinearLayout>
</io.supercharge.shimmerlayout.ShimmerLayout>
<!-- problem is with the following recycler-->
<android.support.v7.widget.RecyclerView
android:id="@+id/verticalRecycler"
android:layout_width="match_parent"
android:layout_below="@+id/story_layout"
android:layout_height="wrap_content"
android:nestedScrollingEnabled="false"
app:layoutManager="android.support.v7.widget.LinearLayoutManager"
app:layout_behavior="@string/appbar_scrolling_view_behavior"
<ProgressBar
android:id="@+id/pBLoading"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:indeterminate="true"
android:visibility="invisible"
android:layout_alignParentBottom="true"
style="?android:attr/progressBarStyleHorizontal" />
</RelativeLayout>
</RelativeLayout>
</android.support.v4.widget.NestedScrollView>
</LinearLayout>
EndlessRecyclerViewScrollListener类 (从 stackOverFlow)
package com.organizers_group.stadfm.Adapters;
import android.support.v7.widget.GridLayoutManager;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.support.v7.widget.StaggeredGridLayoutManager;
public abstract class EndlessRecyclerViewScrollListener extends
RecyclerView.OnScrollListener {
// The minimum amount of items to have below your current scroll position
// before loading more.
private int visibleThreshold = 5;
// The current offset index of data you have loaded
private int currentPage = 1;
// The total number of items in the dataset after the last load
private int previousTotalItemCount = 0;
// True if we are still waiting for the last set of data to load.
private boolean loading = true;
// Sets the starting page index
private int startingPageIndex = 1;
RecyclerView.LayoutManager mLayoutManager;
public EndlessRecyclerViewScrollListener(LinearLayoutManager layoutManager) {
this.mLayoutManager = layoutManager;
public EndlessRecyclerViewScrollListener(GridLayoutManager layoutManager) {
this.mLayoutManager = layoutManager;
visibleThreshold = visibleThreshold * layoutManager.getSpanCount();
public EndlessRecyclerViewScrollListener(StaggeredGridLayoutManager layoutManager) {
this.mLayoutManager = layoutManager;
visibleThreshold = visibleThreshold * layoutManager.getSpanCount();
public int getLastVisibleItem(int[] lastVisibleItemPositions) {
int maxSize = 0;
for (int i = 0; i < lastVisibleItemPositions.length; i++) {
if (i == 0) {
maxSize = lastVisibleItemPositions[i];
else if (lastVisibleItemPositions[i] > maxSize) {
maxSize = lastVisibleItemPositions[i];
return maxSize;
// This happens many times a second during a scroll, so be wary of the code you place here.
// We are given a few useful parameters to help us work out if we need to load some more data,
// but first we check if we are waiting for the previous load to finish.
@Override
public void onScrolled(RecyclerView view, int dx, int dy) {
int lastVisibleItemPosition = 0;
int totalItemCount = mLayoutManager.getItemCount();
if (mLayoutManager instanceof StaggeredGridLayoutManager) {
int[] lastVisibleItemPositions = ((StaggeredGridLayoutManager) mLayoutManager).findLastVisibleItemPositions(null);
// get maximum element within the list
lastVisibleItemPosition = getLastVisibleItem(lastVisibleItemPositions);
} else if (mLayoutManager instanceof GridLayoutManager) {
lastVisibleItemPosition = ((GridLayoutManager) mLayoutManager).findLastVisibleItemPosition();
} else if (mLayoutManager instanceof LinearLayoutManager) {
lastVisibleItemPosition = ((LinearLayoutManager) mLayoutManager).findLastVisibleItemPosition();
// If the total item count is zero and the previous isn't, assume the
// list is invalidated and should be reset back to the initial state
if (totalItemCount < previousTotalItemCount) {
this.currentPage = this.startingPageIndex;
this.previousTotalItemCount = totalItemCount;
if (totalItemCount == 0) {
this.loading = true;
// If it’s still loading, we check to see if the dataset count has
// changed, if so we conclude it has finished loading and update the current page
// number and total item count.
if (loading && (totalItemCount > previousTotalItemCount)) {
loading = false;
previousTotalItemCount = totalItemCount;
// If it isn’t currently loading, we check to see if we have breached
// the visibleThreshold and need to reload more data.
// If we do need to reload some more data, we execute onLoadMore to fetch the data.
// threshold should reflect how many total columns there are too
if (!loading && (lastVisibleItemPosition + visibleThreshold) > totalItemCount) {
currentPage++;
onLoadMore(currentPage, totalItemCount, view);
loading = true;
// Call this method whenever performing new searches
public void resetState() {
this.currentPage = this.startingPageIndex;
this.previousTotalItemCount = 0;
this.loading = true;
// Defines the process for actually loading more data based on page
public abstract void onLoadMore(int page, int totalItemsCount, RecyclerView view);
我的活动 :
RecyclerView horizontalRecyclerView = findViewById(R.id.horizontalRecycler);
horizontalRecyclerView.setHasFixedSize(true);
LinearLayoutManager horizontalLayoutManager = new LinearLayoutManager(this , LinearLayoutManager.HORIZONTAL , false);
horizontalRecyclerView.setLayoutManager(horizontalLayoutManager);
// get trending post
final int trendingPage = 1;
myCustomAdapter = new MyCustomAdapter( this , getPosts(Page));
horizontalRecyclerView.setAdapter(myCustomAdapter);
myCustomAdapter.notifyDataSetChanged();
EndlessRecyclerViewScrollListener scrollListener = new EndlessRecyclerViewScrollListener(horizontalLayoutManager) {
@Override
public void onLoadMore(int page, int totalItemsCount, RecyclerView view) {
// Triggered only when new data needs to be appended to the list
// Add whatever code is needed to append new items to the bottom of the list
showProgressView(ProgressBar);
getPosts(page);
// Adds the scroll listener to RecyclerView
horizontalRecyclerView.addOnScrollListener(scrollListener);
// End Of horizontalRecyclerView
// Stories RecyclerView
RecyclerView verticalRecycler = findViewById(R.id.verticalRecycler);
verticalRecycler.setHasFixedSize(true);
verticalRecycler.setNestedScrollingEnabled(false);
LinearLayoutManager verticalLayoutManager = new LinearLayoutManager(this , LinearLayoutManager.VERTICAL , false);
verticalRecycler.setLayoutManager(verticalLayoutManager);
// get mixed posts
verticalAdapter = new VerticalAdapter( this , getStoriesPosts(1));
verticalRecycler.setAdapter(verticalAdapter);
verticalAdapter.notifyDataSetChanged();
EndlessRecyclerViewScrollListener mixedScrollListener = new EndlessRecyclerViewScrollListener(verticalLayoutManager) {
@Override
public void onLoadMore(int page, int totalItemsCount, RecyclerView view) {
// Triggered only when new data needs to be appended to the list
// Add whatever code is needed to append new items to the bottom of the list
showProgressView(progressBar);
getStoriesPosts(page);
// Adds the scroll listener to RecyclerView
storiesRecyclerView.addOnScrollListener(mixedScrollListener);
// End Of Mixed Stories
请帮助我!
如何用垂直的RecyclerView进行分页？
非常感谢任何一点帮助
提前感谢。
