How to put recyclerview in nestedscrollview- How to put RecyclerView inside NestedScrollView?

problem ：

With creation of NestedScrollView you can put scrolling view inside another scrolling view as long as those implement NestedScrollingChild and NestedScrollingParent correctly. By creating a NestedScrollView, You can put the scroll view in another scroll view , As long as they are implemented correctly NestedScrollingChild and NestedScrollingParent .

(This is not bad design pattern "Ian Lake (from Google) actually recommends putting a RecyclerView inside a nestedscrollview here: plus.google.com/u/0/+AndroidDevelopers/posts/9kZ3SsXdT2T")（ This is a good design pattern “Ian Lake（ From Google ） In fact, it is suggested that RecyclerView Put it in nestedscrollview in ：plus.google.com/u/0/+AndroidDevelopers/posts/9kZ3SsXdT2T”）

I want to put RecyclerView inside NestedScrollView and fortunately RecyclerView implements NestedScrollingChild so you can put it inside NestedScrollView . I want to put RecyclerView Put it in NestedScrollView Inside , Fortunately, RecyclerView Realized NestedScrollingChild So you can put it in NestedScrollView Inside .

public class RecyclerView extends ViewGroup implements ScrollingView, NestedScrollingChild

I have read these posts: I have read these posts ：

How to use RecyclerView inside NestedScrollView? How to be in NestedScrollView Use in RecyclerView？

NestedScrolling with NestedScrollView, RecyclerView (Horizontal), inside a CoordinatorLayoutNestedScrolling And NestedScrollView、RecyclerView（ level ）, stay CoordinatorLayout Inside

But the problem with most voted solution is, it calls all of the items of RecyclerView so for example if it is an endless RecyclerView and when the user reaches the end of the list you want to make a network request then with that solution the RecyclerView calls server repeatedly because it automatically reaches the last item of RecyclerView . But the problem with most voting solutions is , It calls RecyclerView All items , for example , If it is an endless RecyclerView, And when the user reaches the end of the list , You want to make a network request , Then use the solution RecyclerView The calling server repeats , Because it will arrive automatically RecyclerView The last item of .

Anyway, how to set parameter so I can put RecyclerView inside NestedScrollView .(actually I want to put a viewgroup like framelayout or relativelayout as a single childe of nestedscrollview and then I want to put recyclerview inside framelayout or relativelayout) in any case , How to set parameters so that I can set RecyclerView Put it in NestedScrollView .（ In fact, I want to be like framelayout or relativelayout Such a view group acts as nestedscrollview A single sub object of , Then I want to recyclerview Put it in framelayout or relativelayout in ）

When I put RecyclerView inside NestedScrollView there is nothing to display. When I will RecyclerView Put it in NestedScrollView , There is nothing to show .

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In order to create a sample project you can use cheesesquare and change the CheeseDetailActivity to have a RecyclerView. To create it, you can use the sample project cheesesquare And change CheeseDetailActivity Yes RecyclerView.

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Although the answer of BNK is not correct but BNK has tried a lot. although BNK Your answer is incorrect , but BNK I have tried a lot .So I award him the bounty. So I gave him a reward .Still looking for nice solution.... Still looking for a good solution ......

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Solution ：

Reference resources ： https://stackoom.com/en/question/2Fqku