milad.moafi milad.moafi - 14 days ago 5
Android Question

RecyclerView within NestedScrollView Layout Not Scrolling

I have some problem with scrolling in RecyclerView within a NestedScrollView, beside CollapsingToolbarLayout.

The Problem is RecyclerView Does not Scroll and CollapsingToolbarLayout Does not Expand/Collapse.
Here is the XML:

<android.support.v4.widget.DrawerLayout 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:id="@+id/drawerLayout"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layoutDirection="rtl"
tools:context=".MainActivity">

<android.support.design.widget.CoordinatorLayout
android:id="@+id/rootLayout"
android:layout_width="match_parent"
android:layout_height="match_parent">

<android.support.design.widget.AppBarLayout
android:layout_width="match_parent"
android:layout_height="256dp"
android:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar">

<android.support.design.widget.CollapsingToolbarLayout
android:id="@+id/collapsingToolbarLayout"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:elevation="12dp"
app:contentScrim="?attr/colorPrimary"
app:expandedTitleMarginEnd="64dp"
app:expandedTitleTextAppearance="@color/trans"
app:layout_scrollFlags="scroll|enterAlwaysCollapsed">

<ImageView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:scaleType="centerCrop"
android:src="@drawable/header" />

<ImageView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:scaleType="centerCrop"
android:src="@drawable/header_basij" />

<android.support.v7.widget.Toolbar
android:id="@+id/toolbar"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
android:minHeight="?attr/actionBarSize"
android:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar"
app:layout_collapseMode="pin"
app:popupTheme="@style/ThemeOverlay.AppCompat.Light" />

</android.support.design.widget.CollapsingToolbarLayout>

</android.support.design.widget.AppBarLayout>

<android.support.v4.widget.NestedScrollView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:fadeScrollbars="true"
android:fillViewport="true"
android:scrollbarDefaultDelayBeforeFade="1000"
android:scrollbarFadeDuration="2000"
android:scrollbars="vertical"
app:layout_behavior="@string/appbar_scrolling_view_behavior">

<LinearLayout
android:id="@+id/containerLayout"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">

<pl.droidsonroids.gif.GifImageView
android:id="@+id/pbar"
android:layout_width="100dp"
android:layout_height="30dp"
android:layout_gravity="center"
android:layout_marginTop="8dp"
android:background="@color/trans"
android:src="@drawable/loader"
/>

<LinearLayout
android:id="@+id/interneterror"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="20dp"
android:orientation="vertical"
android:visibility="visible">

<TextView
android:id="@+id/errorhandler"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="center"
android:text="خطا در اتصال به اینترنت"
android:textColor="#212121" />

<Button
android:id="@+id/tryagainme"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:text="سعی دوباره"
android:textColor="@color/colorPrimary" />

</LinearLayout>

<android.support.v7.widget.RecyclerView
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/recyclerView"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:fadeScrollbars="true"
android:layoutDirection="rtl"
android:scrollbars="vertical"
tools:context=".MainActivity"/>

</LinearLayout>
</android.support.v4.widget.NestedScrollView>

</android.support.design.widget.CoordinatorLayout>

<android.support.design.widget.NavigationView
android:id="@+id/navigation"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:layout_gravity="start"
android:layoutDirection="rtl"
app:headerLayout="@layout/navigation_header"
app:itemIconTint="@color/nav_item_icon_tint_color"
app:itemTextColor="@color/nav_item_text_color"
app:menu="@menu/navigation_menu" />

</android.support.v4.widget.DrawerLayout>


Thanks For Help.

Ram Ram
Answer

You need to call "recyclerView.setNestedScrollingEnabled(false)"

Comments