Develop Reference

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 can I make the screen scroll up and down with the scroll thumb?

I am new to android development. Can anyone help me solve this issue?
Whenever i am trying to move the scroll bar downwards,the entire screen is moving upwards.
The XML I have created is as follows.
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent">
<Button
android:id="#+id/backButton"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Back"
android:textAppearance="#style/TextAppearance.AppCompat.Button" />
<GridView
android:id="#+id/gridView1"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:columnWidth="190dp"
android:fadeScrollbars="false"
android:fitsSystemWindows="true"
android:gravity="center"
android:horizontalSpacing="0dp"
android:numColumns="2"
android:scrollbarSize="20dp"
android:scrollbarStyle="outsideInset"
android:scrollbarThumbVertical="#drawable/scrollbar_vertical_thumb"
android:scrollbarTrackVertical="#drawable/scrollbar_vertical_track"
android:scrollbars="vertical"
android:stretchMode="columnWidth"
android:verticalSpacing="0dp"
android:scrollbarAlwaysDrawVerticalTrack="true"
android:fastScrollAlwaysVisible="false"
android:fastScrollEnabled="false"/>
</LinearLayout>

You have used LinearLayout as your container to show the view . And if you don't define the orientation in it then by default it takes "horizontal" orientation. In your case you have give orientation as vertical
change your linear layout
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent">
with below:
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">
Stating the android:orientation as "vertical"

Android ListView only scrolls when touching first or second list item

I use a ListView in a SwypeRefreshLayout and scrolling only works in the upper area of the View.
I also tried other layouts like LinearLayout, RelativeLayout and worked with a ScrollView, but it only scrolls on the first two elements of the list.
Whats wrong?
Fragment Layout:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
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.support.v4.widget.SwipeRefreshLayout
android:id="#+id/DeviceOverviewRefresher"
android:layout_width="match_parent"
android:layout_height="match_parent">
<ListView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:drawSelectorOnTop="true"
android:divider="#android:color/transparent"
android:id="#+id/DeviceOverviewList" />
</android.support.v4.widget.SwipeRefreshLayout>
</LinearLayout>
ListRowLayout:
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:minWidth="25px"
android:minHeight="25px">
<LinearLayout
android:id="#+id/Text"
android:orientation="vertical"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:paddingLeft="10dp">
<TextView
android:text="Text"
android:textSize="16dp"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:paddingLeft="60dp"
android:id="#+id/DeviceName" />
</LinearLayout>
<ImageView
android:id="#+id/Image"
android:layout_width="48dp"
android:layout_height="48dp"
android:padding="1dp"
android:src="#drawable/logo"
android:layout_alignParentRight="false" />
</RelativeLayout>
Thx for your help!

Weird, but removing one line of code solved it.
I just removed the animation in my "ShowFragment" - Method.
var trans = fragmentManager.BeginTransaction();
// animation
//trans.SetCustomAnimations(Resource.Animation.slide_down, Resource.Animation.slide_up);

ViewPager dynamic width height

i'm trying to position indicator below view pager the problem is that i'm using layout_height (harcoded value 474dp) is possible to use dynamic width height in order to position indicator below view pager
<?xml version="1.0" encoding="utf-8"?>
<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:background="#dddddd">
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:background="#dddddd">
<android.support.v4.view.ViewPager xmlns:android="http://schemas.android.com/apk/res/android"
android:id="#+id/pager"
android:layout_width="match_parent"
android:layout_height="274dp"
android:layout_below="#+id/title"
android:layout_marginBottom="10dp"></android.support.v4.view.ViewPager>
<CirclePageIndicator android:id="#+id/indicator"
android:layout_height="wrap_content"
android:layout_width="match_parent"
android:layout_below="#+id/pager"
app:pageColor="#858585"
app:fillColor="#f19201" />
</RelativeLayout>
</ScrollView>

You are trying to use aRelativeLayout inside a scrollview it will never work, replace or wrap it with a LinearLayout

Use LinearLayout with weight property :
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#dddddd"
android:orientation="vertical">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1">
<android.support.v4.view.ViewPager
android:id="#+id/pager"
android:layout_width="match_parent"
android:layout_height="wrap_content"/>
</LinearLayout>
<com.pockee.views.CirclePageIndicator
android:id="#+id/indicator"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="5dp"
app:pageColor="#858585"
app:fillColor="#f19201" />
</LinearLayout>

EditText appears in front of listview items

I have a RelativeLayout with ListView:
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="#+id/container"
android:layout_width="fill_parent"
android:layout_height="fill_parent" >
<ListView
android:id="#+id/list"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:divider="#android:color/transparent"
android:dividerHeight="-1sp"
android:paddingLeft="16dp"
android:paddingRight="16dp"/>
<include
android:id="#+id/commentFooter"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
layout="#layout/post_message" />
</RelativeLayout>
where the include called post_message is a RelativeLayout with an EditText and a Button.
The problem is the include appears above the list items at the bottom of the list. How can I make it appear below the list?

You have try this i checked it works for you.
& show like As shown in image
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="#+id/container"
android:layout_width="fill_parent"
android:layout_height="fill_parent" >
<ListView
android:id="#+id/list"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:divider="#android:color/transparent"
android:dividerHeight="-1sp"
android:paddingLeft="16dp"
android:paddingRight="16dp"
android:layout_above="#+id/commentFooter"
android:layout_alignParentTop="true"/>
<include
android:id="#+id/commentFooter"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
layout="#layout/article_view"
android:layout_alignParentBottom="true" />
</RelativeLayout>

Have you tried android:layout_below="" ?