android-nestedscrollview

nested scrollview + recyclerview, strange autoscroll behaviour [duplicate]

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We have a similar problem. We have a vertical RecyclerView. Each item of this vertical RecyclerView contains an horizontal RecyclerView, like in the Android TV app. When we upgraded the support libs from 23.4.0 to 24.0.0 the automatic scroll suddenly appeared. In particular, when we open an Activity and we then go back, the vertical … Read more

NestedScrollView could not scroll with match_parent height child

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<?xml version=”1.0″ encoding=”utf-8″?> <android.support.v4.widget.NestedScrollView xmlns:android=”http://schemas.android.com/apk/res/android” android:layout_width=”match_parent” android:layout_height=”match_parent” android:fillViewport=”true”> <LinearLayout android:layout_width=”match_parent” android:layout_height=”match_parent” android:orientation=”vertical”> This linearlayout should have android:layout_height=”wrap_content”. Reason for that is that if the scrollview’s child is the same size as the scrollview itself (both match_parent for height) it means that there is nothing to scroll through, since they are of same size and the … Read more

Espresso, scrolling not working when NestedScrollView or RecyclerView is in CoordinatorLayout

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This is happening because the Espresso scrollTo() method explicitly checks the layout class and only works for ScrollView & HorizontalScrollView. Internally it’s using View.requestRectangleOnScreen(…) so I’d expect it to actually work fine for many layouts. My workaround for NestedScrollView was to take ScrollToAction and modify that constraint. The modified action worked fine for NestedScrollView with … Read more

RecyclerView ScrollListener inside NestedScrollView

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To achieve endless scrolling for recycler view which is under NestedScrollView, you can use “NestedScrollView.OnScrollChangeListener” nestedScrollView.setOnScrollChangeListener((NestedScrollView.OnScrollChangeListener) (v, scrollX, scrollY, oldScrollX, oldScrollY) -> { if(v.getChildAt(v.getChildCount() – 1) != null) { if ((scrollY >= (v.getChildAt(v.getChildCount() – 1).getMeasuredHeight() – v.getMeasuredHeight())) && scrollY > oldScrollY) { //code to fetch more data for endless scrolling } } }); Here v.getChildCount() … Read more

how to detect the position of the scroll nestedscrollview android at the bottom?

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Set setOnScrollChangeListener in a NestedScrollView params to get NestedScrollView v (parent with scroll) int scrollY int oldScrollY To detect whether the offset is at the bottom, it is necessary to obtain the value of content height v.getChildAt(0).getMeasuredHeight() and compare the current scroll over the height of the parent, if you have the same value , … Read more

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