CODEWITHSUNDEEP
androidandroid-recyclerview
brf42
brf42

Reputation: 151

NestedScrollView and RecyclerView no scroll even though they're not nested?

I'm having a really weird issue I've never experienced before.

So, I have a view (BottomSheet) that encapsulates a RecyclerView and its empty view. I put one of them as View.GONE and the other as View.VISIBLE, depending on if there are items to show or not. The empty view is actually wrapped in a NestedScrollView because I need to be able to scroll it for the user to be able to move the BottomSheet up or down.

The problem is that, depending on how I structure the view, the scroll is actually on the RecyclerView or the NestedScrollView, whichever I put first, and not both. Their parent is a RelativeLayout (take a look at the code below).

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
    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="match_parent"
    style="@style/BottomSheet"
    >

    <androidx.core.widget.NestedScrollView
        android:id="@+id/empty_view"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:visibility="gone"
        tools:visibility="visible"
        >

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:gravity="center_horizontal"
            android:layout_marginTop="115dp"
            android:orientation="vertical"
            >

            <TextView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:gravity="center"
                />

            <TextView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:gravity="center"
                android:layout_marginTop="7dp"
                android:textAlignment="center"
                />

        </LinearLayout>

    </androidx.core.widget.NestedScrollView>

    <com.myproject.CustomRecyclerView
        android:id="@+id/recyclerView"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:clipToPadding="false"
        android:paddingBottom="36dp"
        android:paddingTop="10dp"
        app:emptyView="@id/empty_view"
        />

</RelativeLayout>

Upvotes: 4

Views: 382

Answers (1)

Xavi Jimenez
Xavi Jimenez

Reputation: 332

1.- Put in your NestedScrollView this :

android:overScrollMode="never"

Now what kinda problem occurred when we used nestedScrollView and put recyclerView inside nestedScrollView, it scrolls in various speed depending on gesture. The scrolling feature will not be smooth.

2.-So to fix this issue all you have to do after setting your adapter put this line:

ViewCompat.setNestedScrollingEnabled(recyclerView, false);

Now your recyclerview will work with smooth scrolling…

I hope It will help you!

Upvotes: 1

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