Develop Reference

How to stick Linear Layout(with child as recyclerview) in ScrollView at top of screen

How to stick linear layout at top and allow nested scrolling in Recycler view after it get stick to top of screen. Linear layout should stick as header in ScrollView then allow its children nested scrolling in recyclerview
Below is image of how initial layout will look like
After Scroll stick linear layout to top of screen and allow nested scrolling in recyclerview like below image
Below is layout xml
<?xml version="1.0" encoding="utf-8"?>
<androidx.core.widget.NestedScrollView 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"
android:fillViewport="true"
android:scrollbars="none"
tools:context=".ui.fragment.HomeFragment">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical"
android:background="#drawable/background_gradient_primary">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:divider="#drawable/layout_divider_16dp"
android:orientation="vertical"
android:visibility="gone"
android:showDividers="middle|end">
<include layout="#layout/layout_toolbar_dashboard" />
<androidx.recyclerview.widget.RecyclerView
android:id="#+id/categoriesRecyclerView"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:clipToPadding="false"
android:layout_marginVertical="#dimen/margin_16dp"
android:orientation="horizontal"
android:paddingHorizontal="#dimen/margin_16dp"
app:layoutManager="androidx.recyclerview.widget.LinearLayoutManager"
tools:itemCount="6"
tools:listitem="#layout/adapter_categories_item" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
android:background="#drawable/background_light_grey_top_corners">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:minHeight="36dp"
android:gravity="center"
android:layout_marginVertical="#dimen/margin_8dp"
android:orientation="vertical">
<ImageView
android:id="#+id/right_action"
android:layout_width="40dp"
android:layout_height="6dp"
android:src="#drawable/background_line_divider_icon" />
</LinearLayout>
<androidx.recyclerview.widget.RecyclerView
android:id="#+id/dashboardRecyclerView"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:itemCount="3"
android:overScrollMode="never"
tools:listitem="#layout/shimmer_category_item"
android:padding="#dimen/margin_8dp"/>
</LinearLayout>
</LinearLayout>
</androidx.core.widget.NestedScrollView>

How to create a scrollable template using fragments in Android

I am trying to achieve something like following
I am trying to build an activity joining 3 fragments. Top fragment contains a search bar (EditText), middle fragment has a Banner Slider (ViewPager), and the bottom fragment contains a GridView loaded with n number of items dynamically. I want to make the middle & bottom fragments scrollable vertically while the top one being fixed. But the Grid view is scrolling within itself while the height is set to wrap_content.
If the GridView is given a fixed height, it is working as expected. But I cannot give it a fixed height as its content is dynamically loaded.
Home Activity:
<?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"
app:layout_behavior="#string/appbar_scrolling_view_behavior"
android:background="#color/colorLightGray"
tools:context=".HomeActivity">
<ScrollView
android:id="#+id/scrollableContents"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:fillViewport="true"
android:padding="5dp">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical">
<FrameLayout
android:id="#+id/fragmentContainerSearchBar"
android:layout_width="match_parent"
android:layout_height="wrap_content">
</FrameLayout>
<FrameLayout
android:id="#+id/fragmentContainerSlider"
android:layout_width="match_parent"
android:layout_height="wrap_content">
</FrameLayout>
<FrameLayout
android:id="#+id/fragmentContainerPopularItems"
android:layout_width="match_parent"
android:layout_height="wrap_content">
</FrameLayout>
</LinearLayout>
</ScrollView>
</RelativeLayout>
SearchBarFragment:
<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="wrap_content"
tools:context=".fragments.HomeSearchBarFragment">
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:paddingHorizontal="2dp"
android:paddingVertical="2dp"
android:focusable="true"
android:focusableInTouchMode="true">
<EditText
android:id="#+id/etSearchBoxHome"
android:inputType="text"
android:layout_width="match_parent"
android:layout_height="40dp"
android:drawableRight="#drawable/ic_search_24dp"
android:drawablePadding="5dp"
android:background="#drawable/et_search_home"
android:paddingLeft="15dp"
android:paddingRight="15dp"
android:layout_marginTop="0dp"
android:clickable="true"
android:cursorVisible="true"
android:focusable="true"
android:textSize="14dp"
android:hint="#string/home_searchbox_hint"/>
</RelativeLayout>
</FrameLayout>
Banner Slider Fragment:
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:card_view="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="200dp"
android:layout_margin="2dp"
tools:context=".fragments.HomePromoSliderFragment">
<android.support.v7.widget.CardView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_margin="2dp"
card_view:cardBackgroundColor="#color/colorWhite"
card_view:cardCornerRadius="3dp">
<android.support.v4.view.ViewPager
android:id="#+id/view_pager"
android:layout_width="match_parent"
android:layout_height="match_parent">
</android.support.v4.view.ViewPager>
</android.support.v7.widget.CardView>
</RelativeLayout>
Popular Items Fragment:
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="wrap_content"
tools:context=".fragments.HomePopularItemsFragment">
<GridView
android:id="#+id/gvPopularItems"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:columnWidth="150dp"
android:gravity="center"
android:numColumns="auto_fit"
android:stretchMode="columnWidth">
</GridView>
</RelativeLayout>

You can take nestedScrollView outside of ViewPager and Gridview.
Set the recycler View to setNestedScrollingEnable(false).
<android.support.v4.widget.NestedScrollView
android:layout_width="match_parent"
android:layout_height="match_parent">
<android.support.v4.view.ViewPager
android:layout_width="match_parent"
android:layout_height="match_parent">
</android.support.v4.view.ViewPager>
<GridView
android:layout_width="match_parent"
android:layout_height="match_parent">
</GridView>
</android.support.v4.widget.NestedScrollView>

Try using `Constraint Layout` for whole layout, `autocomplete text view` for search bar, `viewpager` for banners, recycler view for showing the loaded items.
<android.support.constraint.ConstraintLayout
android:layout_width="match_parent"
android:layout_height="match_parent">
<AutoCompleteTextView
android:id="#+id/search"
android:layout_width="match_parent"
android:layout_height="wrap_content"
app:layout_constraintTop_toTopOf="parent"/>
<android.support.v4.view.ViewPager
android:layout_width="match_parent"
android:layout_height="match_parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintBottom_toBottomOf="parent">
<android.support.v7.widget.RecyclerView
android:layout_width="match_parent"
android:layout_height="0dp"
app:layout_constraintBottom_toBottomOf="parent">
</android.support.v7.widget.RecyclerView>
</android.support.constraint.ConstraintLayout>
** Set the margins as per the UI
Set your layout manager as Gridlayout manager for recycler view as below:
recyclerview.layoutManager = GridLayoutManager(this, 2, OrientationHelper.VERTICAL, false)
Hope it will work fine. Let me know if you find any issues.

How to scroll recyclerview based on another one

I have two recycleView in the same layout and same SwipeRefresher one for normal result and another for VIP it's worked as well, but the VIP recycle come above the result recycle, and that gives me a wired result.
The screen show VIP while scrolling in the normal result.
How I can make two recycle with one scroll behavior?
My layout looks like this:-
<android.support.v4.widget.SwipeRefreshLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="#+id/swipeRefreshLayout"
>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical">
<android.support.v7.widget.RecyclerView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="#+id/vipRecycleView"/>
<android.support.v7.widget.RecyclerView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="#+id/resultRecycleView"
>
</android.support.v7.widget.RecyclerView>
</LinearLayout>
</android.support.v4.widget.SwipeRefreshLayout>
The following image demonstrates my current statue.

Try
recyclerView.setNestedScrollingEnabled(true)
Main xml
<android.support.v4.widget.SwipeRefreshLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent">
<android.support.v7.widget.RecyclerView
android:layout_width="match_parent"
android:layout_height="match_parent"/>
</android.support.v4.widget.SwipeRefreshLayout>
recycler item
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent">
<android.support.v7.widget.RecyclerView
android:layout_width="match_parent"
android:layout_height="match_parent"/>
</LinearLayout>

Use NestedScrollView and put both RecyclerView's inside it
<android.support.v4.widget.SwipeRefreshLayout
android:id="#+id/swipeRefreshLayout"
android:layout_width="match_parent"
android:layout_height="match_parent">
<android.support.v4.widget.NestedScrollView
android:layout_width="match_parent"
android:layout_height="match_parent">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical">
<android.support.v7.widget.RecyclerView
android:id="#+id/vipRecycleView"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
<android.support.v7.widget.RecyclerView
android:id="#+id/resultRecycleView"
android:layout_width="match_parent"
android:layout_height="match_parent">
</android.support.v7.widget.RecyclerView>
</LinearLayout>
</android.support.v4.widget.NestedScrollView>
</android.support.v4.widget.SwipeRefreshLayout>

Android: How to Display included layout and listview in one view together?

I would like to ask how can i display included layout and listview positioned under the included in onde view.
Layout:
<android.support.v4.widget.SwipeRefreshLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:id="#+id/swipeContainer"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".activity.TransactionsActivity">
<include
android:layout_width="fill_parent"
android:layout_height="10dp"
android:layout_alignParentTop="true"
layout="#layout/preloader" />
<ListView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:id="#+id/list"
/>
</android.support.v4.widget.SwipeRefreshLayout>
In the preview is displayed only the included layout, but lisview below is not displayed.
Many thanks for any advice.

Since SwipeRefreshLayout accept only one child. Wrap it inside LinearLayout or RelativeLayout.
<android.support.v4.widget.SwipeRefreshLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:id="#+id/swipeContainer"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".activity.TransactionsActivity">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical">
<include
layout="#layout/preloader"
android:layout_width="fill_parent"
android:layout_height="10dp"
android:layout_alignParentTop="true" />
<ListView
android:id="#+id/list"
android:layout_width="match_parent"
android:layout_height="wrap_content" />
</LinearLayout>
Best Of Luck.

android- How to use ViewPager inside scrollView

I've a layout that has 3 parts . One of them is viewpager . I need to scroll the screen .
i've this code but the problem is this ,the viewpager is not showing at all .
<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
>
<ImageView
android:id="#+id/imageView1"
android:layout_width="match_parent"
android:layout_height="100dp"
android:background="#drawable/s11" />
<com.astuetz.PagerSlidingTabStrip
android:id="#+id/tabs"
android:layout_width="match_parent"
android:layout_height="48dip"
android:background="#CC0001"
android:textColor="#FFFFFF" />
<android.support.v4.view.ViewPager
android:id="#+id/pager"
android:layout_width="match_parent"
android:layout_height="wrap_content" />
</LinearLayout>
How can I make viewpager to wrap the free space and fill the parent and show its content ?
thanks you