No scrolling for RecyclerView android Lollipop 5.x - android

Struggling with RecyclerVivew for Android 5.X ( Lollipop ), I have designed simple layout as:
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="#android:color/white"
android:orientation="vertical">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:padding="5dp"
android:baselineAligned="false"
android:orientation="horizontal"
android:weightSum="4">
<LinearLayout
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1.1"
android:gravity="center"
android:orientation="vertical">
<TextView
android:id="#+id/tvAuditStartDate"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="center"
android:text="#string/to" />
<TextView
android:id="#+id/tvAuditEndDate"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
</LinearLayout>
<LinearLayout
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1.2"
android:gravity="center"
android:orientation="vertical">
<TextView
android:id="#+id/tvAuditDepartmentName"
style="#style/TextviewPrimaryMedium"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:ellipsize="end"
android:gravity="center"
android:lines="1" />
<TextView
android:id="#+id/tvSubItem"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:ellipsize="end"
android:gravity="center" />
</LinearLayout>
<FrameLayout
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1.2">
<TextView
android:id="#+id/tvAuditSubmitDate"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center" />
</FrameLayout>
<FrameLayout
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="0.5">
<CheckBox
android:id="#+id/chkbAuditStatus"
android:layout_width="32dp"
android:layout_height="32dp"
android:layout_gravity="center"
android:background="#drawable/check_box"
android:button="#android:color/transparent"
android:clickable="false"
android:gravity="end" />
</FrameLayout>
</LinearLayout>
<View
android:layout_width="match_parent"
android:layout_height="1dp"
android:background="#android:color/darker_gray" />
</LinearLayout>
And the custom RecyclerView.Adapter is attached to it, with item layout as:
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="#android:color/white"
android:orientation="vertical">
<LinearLayout
android:baselineAligned="false"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:padding="5dp"
android:orientation="horizontal"
android:weightSum="4">
<LinearLayout
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1.1"
android:gravity="center"
android:orientation="vertical">
<TextView
android:id="#+id/tvAuditStartDate"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="center"
android:text="#string/to" />
<TextView
android:id="#+id/tvAuditEndDate"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
</LinearLayout>
<LinearLayout
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1.2"
android:gravity="center"
android:orientation="vertical">
<TextView
android:id="#+id/tvAuditDepartmentName"
style="#style/TextviewPrimaryMedium"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:ellipsize="end"
android:gravity="center"
android:lines="1"/>
<TextView
android:id="#+id/tvSubItem"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:ellipsize="end"
android:gravity="center" />
</LinearLayout>
<FrameLayout
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1.2">
<TextView
android:id="#+id/tvAuditSubmitDate"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center" />
</FrameLayout>
<FrameLayout
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="0.5">
<CheckBox
android:id="#+id/chkbAuditStatus"
android:layout_width="32dp"
android:layout_height="32dp"
android:layout_gravity="center"
android:background="#drawable/check_box"
android:button="#android:color/transparent"
android:clickable="false"
android:gravity="end" />
</FrameLayout>
</LinearLayout>
<View
android:layout_width="match_parent"
android:layout_height="1dp"
android:background="#android:color/darker_gray" />
</LinearLayout>
Now issue with this setup is, the setup is working fine in all the android versions except 5.X as result no scrolling to RecyclerView. Also it is not the only case where no scrolling is observer but the no scrolling is also observed in other Views like Spinner with different observation. In case of Spinners the dropdown List is shown but the selected item is not being reflected on UI.
All the view are inflated within Fragment.


Just try to implement this
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="#android:color/white"
android:orientation="vertical">
<ScrollView
android:layout_width="match_parent"
android:layout_height="match_parent"
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:padding="5dp"
android:baselineAligned="false"
android:orientation="horizontal"
android:weightSum="4">
<LinearLayout
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1.1"
android:gravity="center"
android:orientation="vertical">
<TextView
android:id="#+id/tvAuditStartDate"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="center"
android:text="#string/to" />
<TextView
android:id="#+id/tvAuditEndDate"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
</LinearLayout>
<LinearLayout
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1.2"
android:gravity="center"
android:orientation="vertical">
<TextView
android:id="#+id/tvAuditDepartmentName"
style="#style/TextviewPrimaryMedium"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:ellipsize="end"
android:gravity="center"
android:lines="1" />
<TextView
android:id="#+id/tvSubItem"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:ellipsize="end"
android:gravity="center" />
</LinearLayout>
<FrameLayout
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1.2">
<TextView
android:id="#+id/tvAuditSubmitDate"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center" />
</FrameLayout>
<FrameLayout
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="0.5">
<CheckBox
android:id="#+id/chkbAuditStatus"
android:layout_width="32dp"
android:layout_height="32dp"
android:layout_gravity="center"
android:background="#drawable/check_box"
android:button="#android:color/transparent"
android:clickable="false"
android:gravity="end" />
</FrameLayout>
</LinearLayout>
<View
android:layout_width="match_parent"
android:layout_height="1dp"
android:background="#android:color/darker_gray" />
</LinearLayout>
</ScrollView>
</LinearLayout>


I have solved the issue by updating the support library to com.android.support:design:25.2.0. Also don't know the reason behind this and what exactly does it make difference. If any one have found any reason please let all know. It will be helpful. Thank you.

Related

Android : How to Create Dividers between Components

My goal is to obtain divider lines similar to the ones shown in the following picture:
Goal Picture Divider
I need to place a horizontal and vertical divider between LinearLayout
This is my User Interface XML Code:
<?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"
tools:context=".MainActivity"
android:background="#drawable/maingradiant">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_centerInParent="true"
android:orientation="vertical"
android:gravity="center">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="4"
android:gravity="center"
android:orientation="horizontal">
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="3"
android:gravity="center"
android:orientation="horizontal">
<LinearLayout
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="3"
android:gravity="center"
android:orientation="vertical">
<ImageView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="#drawable/wheatallergyambericon" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="اطلاعات ورودی"
android:textColor="#android:color/black"
android:textSize="16sp"
android:textStyle="bold" />
</LinearLayout>
<LinearLayout
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="3"
android:gravity="center"
android:orientation="vertical">
<ImageView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="#drawable/wheatallergyambericon" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="فاکتور"
android:textColor="#android:color/black"
android:textSize="16sp"
android:textStyle="bold" />
</LinearLayout>
<LinearLayout
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="3"
android:gravity="center"
android:orientation="vertical">
<ImageView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="#drawable/wheatallergyambericon" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="هزینه ها"
android:textColor="#android:color/black"
android:textSize="16sp"
android:textStyle="bold" />
</LinearLayout>
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="3"
android:gravity="center"
android:orientation="horizontal">
<LinearLayout
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="3"
android:gravity="center"
android:orientation="vertical">
<ImageView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="#drawable/wheatallergyambericon" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="تسویه"
android:textColor="#android:color/black"
android:textSize="16sp"
android:textStyle="bold" />
</LinearLayout>
<LinearLayout
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="3"
android:gravity="center"
android:orientation="vertical">
<ImageView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="#drawable/wheatallergyambericon" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="سامانه"
android:textColor="#android:color/black"
android:textSize="16sp"
android:textStyle="bold" />
</LinearLayout>
<LinearLayout
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="3"
android:gravity="center"
android:orientation="vertical">
<ImageView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="#drawable/wheatallergyambericon" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="ارسال بار"
android:textColor="#android:color/black"
android:textSize="16sp"
android:textStyle="bold" />
</LinearLayout>
</LinearLayout>
</LinearLayout>
I am currently using RelativeLayout as the Root Element, and for each row, I am applying a horizontal LinearLayout followed by a vertical LinearLayout.
Based on my current layout, can I receive assistance on how to place the divider lines on my interface, much like the provided picture?
Thank you!

First of all, I would recomend you to use RecyclerView with GridLayoutManager for this purpose. creating recyclerview with gridmanager
but if you want stick with current design, you add line by creating a View in xml
For Vertical line
<View
android:layout_width="2dp" //thickness
android:layout_height="match_parent"
android:background="#color/colorPrimary" />
For Horizontal line
<View
android:layout_width="match_parent"
android:layout_height="2dp"//thickness
android:background="#color/colorPrimary" />
for shading colors you should look for something like Gradient in android. How ro create Gradient in android
code looks like this.
<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"
android:background="#drawable/maingradiant"
tools:context=".MainActivity">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_centerInParent="true"
android:gravity="center"
android:orientation="vertical">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="4"
android:gravity="center"
android:orientation="horizontal">
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="3"
android:gravity="center"
android:orientation="horizontal">
<LinearLayout
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="3"
android:gravity="center"
android:orientation="vertical">
<ImageView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="#drawable/wheatallergyambericon" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="اطلاعات ورودی"
android:textColor="#android:color/black"
android:textSize="16sp"
android:textStyle="bold" />
</LinearLayout>
<View
android:layout_width="2dp"
android:layout_height="match_parent"
android:background="#color/colorPrimary" />
<LinearLayout
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="3"
android:gravity="center"
android:orientation="vertical">
<ImageView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="#drawable/wheatallergyambericon" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="فاکتور"
android:textColor="#android:color/black"
android:textSize="16sp"
android:textStyle="bold" />
</LinearLayout>
<View
android:layout_width="2dp"
android:layout_height="match_parent"
android:background="#color/colorPrimary" />
<LinearLayout
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="3"
android:gravity="center"
android:orientation="vertical">
<ImageView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="#drawable/wheatallergyambericon" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="هزینه ها"
android:textColor="#android:color/black"
android:textSize="16sp"
android:textStyle="bold" />
</LinearLayout>
</LinearLayout>
<View
android:layout_width="match_parent"
android:layout_height="2dp"
android:background="#color/colorPrimary" />
<LinearLayout
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="3"
android:gravity="center"
android:orientation="horizontal">
<LinearLayout
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="3"
android:gravity="center"
android:orientation="vertical">
<ImageView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="#drawable/wheatallergyambericon" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="تسویه"
android:textColor="#android:color/black"
android:textSize="16sp"
android:textStyle="bold" />
</LinearLayout>
<View
android:layout_width="2dp"
android:layout_height="match_parent"
android:background="#color/colorPrimary" />
<LinearLayout
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="3"
android:gravity="center"
android:orientation="vertical">
<ImageView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="#drawable/wheatallergyambericon" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="سامانه"
android:textColor="#android:color/black"
android:textSize="16sp"
android:textStyle="bold" />
</LinearLayout>
<View
android:layout_width="2dp"
android:layout_height="match_parent"
android:background="#color/colorPrimary" />
<LinearLayout
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="3"
android:gravity="center"
android:orientation="vertical">
<ImageView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="#drawable/wheatallergyambericon" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="ارسال بار"
android:textColor="#android:color/black"
android:textSize="16sp"
android:textStyle="bold" />
</LinearLayout>
</LinearLayout>
</LinearLayout>
Happy coding!!

Dividing and positioning custom layouts equally in android relative layout

This is continuation from my previous question. Layout is changed as given below:
<?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="match_parent"
android:background="#color/black_70_opacity"
android:weightSum="100"
tools:context="com.dell.eventapp.ui.activity.HomeActivity">
<LinearLayout
android:id="#+id/top_image"
android:layout_width="match_parent"
android:layout_height="#dimen/img_height"
android:background="#drawable/activity_background"
android:contentDescription="#string/top_image"
android:orientation="horizontal"
android:scaleType="centerCrop"
android:weightSum="25">
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_gravity="bottom"
android:gravity="center"
android:paddingBottom="#dimen/margin_8dp"
android:text="#string/cio_summit_monaco_2015"
android:textColor="#android:color/white"
android:textSize="#dimen/large_font" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_above="#+id/bottom_image"
android:layout_below="#id/top_image"
android:orientation="vertical"
android:weightSum="65">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="160sp"
android:layout_marginStart="#dimen/margin_20dp"
android:layout_marginTop="#dimen/margin_30dp"
android:orientation="horizontal"
android:weightSum="2">
<TextView
android:id="#+id/agenda"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:layout_marginRight="#dimen/margin_20dp"
android:layout_weight="1"
android:background="#drawable/activity_background"
android:gravity="center|bottom"
android:paddingBottom="#dimen/margin_10dp"
android:text="#string/agenda"
android:textColor="#android:color/white"
android:textSize="#dimen/medium_font" />
<TextView
android:id="#+id/sessions"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:layout_marginRight="#dimen/margin_20dp"
android:layout_weight="1"
android:background="#drawable/activity_background"
android:gravity="center|bottom"
android:paddingBottom="#dimen/margin_10dp"
android:text="#string/sessions"
android:textColor="#android:color/white"
android:textSize="#dimen/medium_font" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="160sp"
android:layout_marginStart="#dimen/margin_20dp"
android:layout_marginTop="#dimen/margin_30dp"
android:orientation="horizontal"
android:weightSum="2">
<TextView
android:id="#+id/speaker"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_gravity="bottom"
android:layout_marginRight="#dimen/margin_20dp"
android:layout_weight="1"
android:background="#drawable/activity_background"
android:gravity="center|bottom"
android:paddingBottom="#dimen/margin_10dp"
android:text="#string/speakerbio"
android:textColor="#android:color/white"
android:textSize="#dimen/medium_font" />
<TextView
android:id="#+id/venues"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginRight="#dimen/margin_20dp"
android:layout_weight="1"
android:background="#drawable/activity_background"
android:gravity="center|bottom"
android:layout_gravity="center"
android:paddingBottom="#dimen/margin_10dp"
android:text="#string/venues"
android:textColor="#android:color/white"
android:textSize="#dimen/medium_font" />
</LinearLayout>
</LinearLayout>
<RelativeLayout
android:id="#+id/bottom_image"
android:layout_width="match_parent"
android:layout_height="#dimen/img_height1"
android:layout_alignParentBottom="true"
android:background="#drawable/activity_background"
android:contentDescription="#string/top_image"
android:scaleType="centerCrop"
android:weightSum="10">
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:gravity="center"
android:paddingBottom="#dimen/margin_8dp"
android:text="#string/home_content"
android:textColor="#android:color/white"
android:textSize="#dimen/large_font" />
</RelativeLayout>
</RelativeLayout>
In root Relativelayout, I've used android:weightSum="100", in top Linearlayout, I've used android:weightSum="25". In 2nd LinearLayout, I've used android:weightSum="65". In nested LinearLayout, I've used android:weightSum="2". In 3rd LinearLayout, I've used android:weightSum="2". In bottom RelativeLayout, I've used android:weightSum="10". Resulting UI is as given below:
Custom layouts used aren't spaced evenly at top and bottom. How can I do that by using android:weightsum and android:layout_weight?

Please have a look. I hope it will work for you.
<?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">
<ImageView
android:id="#+id/imageview_1"
android:layout_width="match_parent"
android:layout_height="80dp"
android:layout_alignParentTop="true"
android:background="#33000000"
android:src="#android:drawable/ic_menu_gallery" />
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignBottom="#+id/imageview_1"
android:gravity="center"
android:text="CIO Summit Monaco 2015"
android:textColor="#000000"
android:textSize="18sp" />
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_above="#id/imageview_2"
android:layout_below="#+id/imageview_1"
android:gravity="center"
android:orientation="vertical">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:gravity="center"
android:orientation="horizontal">
<ImageView
android:id="#+id/imageview_11"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_margin="10dp"
android:layout_weight="1"
android:background="#33000000"
android:src="#android:drawable/ic_menu_gallery" />
<ImageView
android:id="#+id/imageview_12"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_margin="10dp"
android:layout_weight="1"
android:background="#33000000"
android:src="#android:drawable/ic_menu_gallery" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:gravity="center"
android:orientation="horizontal">
<ImageView
android:id="#+id/imageview_21"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_margin="10dp"
android:layout_weight="1"
android:background="#33000000"
android:src="#android:drawable/ic_menu_gallery" />
<ImageView
android:id="#+id/imageview_22"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_margin="10dp"
android:layout_weight="1"
android:background="#33000000"
android:src="#android:drawable/ic_menu_gallery" />
</LinearLayout>
</LinearLayout>
<ImageView
android:id="#+id/imageview_2"
android:layout_width="match_parent"
android:layout_height="40dp"
android:layout_alignParentBottom="true"
android:background="#33000000"
android:src="#android:drawable/ic_menu_gallery" />
</RelativeLayout>

How to set the max height of a list view

I have 3 vertical parts on the screen:
Some texts
Listview
Some more text fields
I don't understand why when there are more elements in the listview, it takes the whole screen to the bottom without leaving place for the 3rd part and makes this 3rd part unreachable and not visible.
<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout 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="wrap_content"
android:layout_height="wrap_content"
tools:context="com.transport.ScreenDelivery">
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginBottom="8dp"
android:layout_marginEnd="8dp"
android:layout_marginStart="8dp"
android:layout_marginTop="8dp"
android:gravity="center_vertical"
android:orientation="vertical"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">
<TextView
android:id="#+id/textView_customer"
android:layout_width="match_parent"
android:layout_height="wrap_content"/>
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical">
<ListView
android:id="#+id/listView_pallets"
android:layout_width="match_parent"
android:layout_height="wrap_content" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical">
<TextView
android:id="#+id/textView_signature"
android:layout_width="match_parent"
android:layout_height="wrap_content"/>
</LinearLayout>
</LinearLayout>
</android.support.constraint.ConstraintLayout>

here you go
<?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"
tools:context="com.transport.ScreenDelivery">
<LinearLayout
android:id="#+id/bottom_layout"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:orientation="vertical">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">
<TextView
android:id="#+id/textView_expectedSum"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:paddingBottom="5dp"
android:paddingTop="5dp"
android:text="Очаквана сума"
android:textSize="16sp"
tools:text="Очаквана сума" />
<TextView
android:id="#+id/textView_expectedSumNum"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="0.5"
android:paddingBottom="5dp"
android:paddingTop="5dp"
android:text="-"
android:textSize="16sp"
tools:text="-" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">
<TextView
android:id="#+id/textView_signature"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:paddingBottom="5dp"
android:paddingTop="5dp"
android:text="Подпис"
android:textSize="16sp"
tools:text="Подпис" />
<TextView
android:id="#+id/textView_signatureField"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="0.5"
android:paddingBottom="5dp"
android:paddingTop="5dp"
android:textSize="16sp" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">
<TextView
android:id="#+id/textView_returnSum"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:paddingBottom="5dp"
android:paddingTop="5dp"
android:text="Сума за връщане"
android:textSize="16sp"
tools:text="Сума за връщане" />
<TextView
android:id="#+id/_returnSumField"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="0.5"
android:paddingBottom="5dp"
android:paddingTop="5dp"
android:textSize="16sp" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_weight="1"
android:orientation="horizontal">
<TextView
android:id="#+id/textView_remarks"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:paddingBottom="5dp"
android:paddingTop="5dp"
android:text="Бележка"
android:textSize="16sp"
tools:text="Бележка" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_weight="0.5"
android:orientation="vertical">
<Spinner
android:id="#+id/spinner_note"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="#android:drawable/btn_dropdown"
android:spinnerMode="dropdown" />
<EditText
android:id="#+id/editText_note"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint=""
android:inputType="text"
android:visibility="gone" />
</LinearLayout>
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:baselineAligned="false"
android:orientation="horizontal">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_weight="1"
android:orientation="horizontal">
<TextView
android:id="#+id/textView_image"
android:layout_width="269dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:paddingBottom="5dp"
android:paddingTop="5dp"
android:text="Снимка"
android:textSize="16sp"
tools:text="Снимка" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_weight="0.5"
android:orientation="horizontal">
<Button
android:id="#+id/button_takePhoto"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginRight="150dp"
android:onClick="takePhoto"
android:text="Снимай"
tools:text="Снимай" />
<ImageView
android:id="#+id/imageView_deliveryPhoto"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:contentDescription="Снимка на доставката"
android:maxHeight="200dp"
android:maxWidth="200dp"
android:minHeight="50dp"
android:minWidth="50dp"
app:srcCompat="?android:attr/alertDialogIcon" />
</LinearLayout>
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_weight="1"
android:gravity="center_horizontal"
android:orientation="horizontal">
<Button
android:id="#+id/button_save"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Запази"
tools:text="Запази" />
</LinearLayout>
</LinearLayout>
<LinearLayout
android:id="#+id/top_layout"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">
<TextView
android:id="#+id/textView_customer"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="Клиент"
android:textSize="20sp"
tools:text="Клиент" />
<TextView
android:id="#+id/textView_palletCount"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="Брой палета"
android:textSize="20sp"
tools:text="Брой палета" />
<TextView
android:id="#+id/textView_palletCountNum"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="-"
android:textSize="20sp"
tools:text="-" />
</LinearLayout>
<ListView
android:id="#+id/listView_pallets"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_above="#id/bottom_layout"
android:layout_below="#id/top_layout" />
</RelativeLayout>

I am sure you can find a solution only using the constraint layout and removing your linear layouts altogether but I don't know enough about ConstraintLayout to help you there. However you can give weights to the elements inside your Outermost LinearLayout. e.g. assign android:weightSum="3" to your outermost LinearLayout and then android:layout_weight="1" to the inner elements (in your case the other LinearLayouts)

Scrollview inside viewpager scroll vertical not working

Below is my code but its not working properly, want a viewpager with scrollview in all fragment. Scrolling of the scrollview is not working,facing problem from last 2 hrs and not getting a solution.Please help me its urgent.Not able to solve this issue i tried adding nested scrollview but it is also not working.
<?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"
android:orientation="vertical">
<LinearLayout
android:id="#+id/toolbar_ll"
android:layout_width="fill_parent"
android:layout_height="wrap_content">
<android.support.v7.widget.Toolbar
android:id="#+id/toolbar_myjeenees"
android:layout_width="match_parent"
android:layout_height="56dp"
android:background="#android:color/white"
android:minHeight="?attr/actionBarSize">
<TextView
android:id="#+id/toolbarShuffle"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:text="Shuffle Money"
android:textColor="#color/black"
android:textSize="18sp" />
</android.support.v7.widget.Toolbar>
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">
<LinearLayout
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:orientation="vertical">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:padding="5dp"
android:text="UserName"
android:textSize="25sp" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:padding="5dp"
android:text="May 15,Birthday" />
</LinearLayout>
<ImageView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:layout_marginRight="10dp"
android:background="#mipmap/ic_forward" />
</LinearLayout>
<com.android.jeenees.utils.CustomScrollView
android:id="#+id/scrollView"
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1"
android:fillViewport="true"
>
<android.support.v4.view.ViewPager
android:id="#+id/shufflePager"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#android:color/white" />
</com.android.jeenees.utils.CustomScrollView>
<!--</LinearLayout>-->
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">
<ImageButton
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1"
android:background="#color/colorPrimary"
android:padding="10dp"
android:src="#mipmap/ic_action_tick" />
<ImageButton
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1"
android:background="#color/colorPrimary"
android:padding="10dp"
android:src="#mipmap/ic_back" />
</LinearLayout>
<?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"
android:fillViewport="true"
android:orientation="vertical">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_margin="10dp"
android:layout_weight="1"
android:orientation="vertical">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1"
android:fillViewport="true">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1"
android:orientation="vertical">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1"
android:gravity="center"
android:orientation="horizontal">
<TextView
android:id="#+id/firstwish"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="IPhone 5s" />
<View
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1" />
<TextView
android:id="#+id/costfirst"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Rs 5300/32777" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1"
android:gravity="center"
android:orientation="vertical">
<SeekBar
android:id="#+id/seekfirst"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:max="100"
android:maxHeight="10dp"
android:progress="50"
android:progressDrawable="#drawable/progress_draw"
android:splitTrack="false"
android:thumb="#mipmap/ic_thumb"></SeekBar>
</LinearLayout>
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1"
android:orientation="vertical">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1"
android:gravity="center"
android:orientation="horizontal">
<TextView
android:id="#+id/secondwish"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="IPhone 5s" />
<View
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1" />
<TextView
android:id="#+id/costsecond"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Rs 5300/32777" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1"
android:gravity="center"
android:orientation="vertical">
<SeekBar
android:id="#+id/seeksecond"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:max="100"
android:maxHeight="10dp"
android:progress="50"
android:progressDrawable="#drawable/progress_draw"
android:splitTrack="false"
android:thumb="#mipmap/ic_thumb"></SeekBar>
</LinearLayout>
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1"
android:orientation="vertical">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1"
android:gravity="center"
android:orientation="horizontal">
<TextView
android:id="#+id/thirdwish"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="IPhone 5s" />
<View
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1" />
<TextView
android:id="#+id/costthird"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Rs 5300/32777" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1"
android:gravity="center"
android:orientation="vertical">
<SeekBar
android:id="#+id/seekthird"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:max="100"
android:maxHeight="10dp"
android:progress="50"
android:progressDrawable="#drawable/progress_draw_red"
android:splitTrack="false"
android:thumb="#mipmap/ic_red_thumb"></SeekBar>
</LinearLayout>
</LinearLayout>
</LinearLayout>
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="0.5"
android:gravity="center"
android:orientation="vertical">
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="center"
android:padding="10dp"
android:text="Rs 1700"
android:textSize="25sp" />
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="center"
android:padding="10dp"
android:text="Released Money"
android:textSize="25sp" />
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="center"
android:orientation="horizontal">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="#color/colorPrimary"
android:drawableLeft="#mipmap/ic_actin_add"
android:gravity="center"
android:padding="15dp"
android:text="Top Up"
android:textColor="#android:color/white" />
</LinearLayout>
</LinearLayout>
</LinearLayout>

Each view take parent event first if your view pager is swipe horizonatly for change the page tab than you can not use horizonatl scroll in child fragment . It is not write practice you can arrange your page content as vertical and use vertical scroll view.
Or second option you will have to disable swipe event for view pager and only tab click is uesd to change page than you can use horizontal scroll view.

Android - part of layout not showing up

So, i got this Layout in XML:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="#+id/product_grid_product"
android:orientation="vertical"
android:layout_width="315dp"
android:layout_height="295dp"
android:background="#color/white"
android:contentDescription="#string/image_content_description" >
<LinearLayout
android:id="#+id/product_content"
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_weight="1"
android:layout_marginLeft="20dp"
android:layout_marginRight="20dp"
android:layout_marginTop="20dp">
<LinearLayout
android:id="#+id/product_content_buttons_image"
android:orientation="horizontal"
android:layout_width="match_parent"
android:layout_height="130dp" >
<LinearLayout
android:id="#+id/product_content_buttons"
android:orientation="vertical"
android:layout_width="30dp"
android:layout_height="match_parent" >
<ImageButton
android:id="#+id/button_discount"
android:layout_width="30dp"
android:layout_height="0dp"
android:layout_weight="1"
android:adjustViewBounds="true"
android:background="#color/product_discount_gray"
android:src="#drawable/product_discount" />
<ImageButton
android:id="#+id/button_promotion"
android:layout_width="30dp"
android:layout_height="0dp"
android:layout_weight="1"
android:adjustViewBounds="true"
android:background="#color/product_promotion_gray"
android:src="#drawable/product_promotion" />
<ImageButton
android:id="#+id/button_oportunity"
android:layout_width="30dp"
android:layout_height="0dp"
android:layout_weight="1"
android:adjustViewBounds="true"
android:background="#color/product_oportunity_gray"
android:src="#drawable/product_oportinity" />
<ImageButton
android:id="#+id/button_new"
android:layout_width="30dp"
android:layout_height="0dp"
android:layout_weight="1"
android:adjustViewBounds="true"
android:background="#color/product_new_gray"
android:src="#drawable/product_new" />
</LinearLayout>
<LinearLayout
android:id="#+id/product_content_image_layout"
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent" >
<ImageView
android:id="#+id/product_content_image"
android:layout_width="match_parent"
android:layout_height="match_parent" />
</LinearLayout>
</LinearLayout>
<LinearLayout
android:id="#+id/product_content_details"
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent" >
<TextView android:id="#+id/product_content_title"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="10dp"
android:textStyle="bold"
android:textColor="#color/gray_text"
android:textSize="14sp"
android:text="Panela de Pressão" />
<TextView android:id="#+id/product_content_description"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textColor="#color/gray_text"
android:textSize="12sp"
android:text="Aço Inox, 1.5L" />
<LinearLayout
android:orientation="horizontal"
android:layout_width="match_parent"
android:layout_height="match_parent" >
<TextView android:id="#+id/product_content_brand"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="3dp"
android:textStyle="bold"
android:textColor="#color/gray_text"
android:textSize="14sp"
android:text="Marca" />
<TextView android:id="#+id/product_content_price"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="3dp"
android:gravity="right"
android:textStyle="bold"
android:textColor="#color/gray_text"
android:textSize="16sp"
android:text="10000,00€" />
</LinearLayout>
<!-- starting here -->
<LinearLayout
android:orientation="horizontal"
android:layout_width="match_parent"
android:layout_height="match_parent" >
<TextView
android:id="#+id/product_content_ref"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="3dp"
android:textStyle="bold"
android:textColor="#color/gray_text"
android:textSize="14sp"
android:text="Ref.: 56065196968" />
<TextView android:id="#+id/product_content_stock"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="3dp"
android:gravity="right"
android:textStyle="bold"
android:textColor="#color/gray_text"
android:textSize="14sp"
android:text="Stock [240]" />
</LinearLayout>
<!-- to here -->
</LinearLayout>
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="1dp"
android:background="#color/gray_lines"/>
<LinearLayout
android:id="#+id/product_buttons"
android:orientation="horizontal"
android:layout_width="match_parent"
android:layout_height="45dp" >
<ImageButton
android:id="#+id/shopping_cart"
android:layout_width="0dp"
android:layout_weight="1"
android:layout_height="match_parent"
android:background="#color/white"
android:src="#drawable/shopping_cart" />
<LinearLayout
android:layout_width="1dp"
android:layout_height="match_parent"
android:background="#color/gray_lines"/>
<ImageButton
android:id="#+id/remove_button"
android:layout_width="0dp"
android:layout_weight="1"
android:layout_height="match_parent"
android:background="#color/white"
android:src="#drawable/remove" />
<LinearLayout
android:layout_width="1dp"
android:layout_height="match_parent"
android:background="#color/gray_lines"/>
<EditText
android:id="#+id/edit_quantity"
android:layout_width="50dp"
android:layout_height="match_parent"
android:singleLine = "true"
android:background="#color/white"
android:hint="0"
android:gravity="center"
android:textSize="35sp" />
<LinearLayout
android:layout_width="1dp"
android:layout_height="match_parent"
android:background="#color/gray_lines"/>
<ImageButton
android:id="#+id/add_button"
android:layout_width="0dp"
android:layout_weight="1"
android:layout_height="match_parent"
android:background="#color/white"
android:src="#drawable/add" />
<LinearLayout
android:layout_width="1dp"
android:layout_height="match_parent"
android:background="#color/gray_lines"/>
<Button
android:id="#+id/observations_button"
android:layout_width="0dp"
android:layout_weight="1"
android:layout_height="match_parent"
android:background="#color/white"
android:text="OBS."
android:textSize="25sp"
android:textColor="#color/gray_text" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="1dp"
android:background="#color/gray_lines"/>
</LinearLayout>
Nevermind the harcoded strings, they're for dummy purposes.
The problem is that anything that I write between the two comments ("starting here" to "to here") is not showing up.
I've tried increasing the height of the layout but it doesn't work.
Any help, please?

The problem is that you have two LinearLayouts both having android:layout_height="match_parent", so that the first one takes all the place.
You should set android:layout_height either to a "wrap_content" or to a fixed value.

It looks like you have the non-appearing LinearLayout on the same level of the hierarchy as another LinearLayout. Both are set to match_parent and the first one is consuming the view area.
Try setting them to either fill_parent or wrap_content.

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