Android Studio Nesting ScrollView in a Constraint Layout

Android Studio Nesting ScrollView in a Constraint Layout - android

I am new to android studio and have been messing around with this layout for the last hour or two. I want the whole screen to be able to scroll.
<?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="match_parent"
android:layout_height="match_parent"
tools:context=".MainActivity">
<android.support.constraint.ConstraintLayout
android:id="#+id/constraintLayout"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_margin="0dp"
android:layout_marginBottom="16dp"
android:layout_marginEnd="8dp"
android:layout_marginLeft="8dp"
android:layout_marginRight="8dp"
android:layout_marginStart="8dp"
android:layout_marginTop="8dp"
android:background="#color/colorPrimaryDark"
android:padding="40dp"
app:layout_constraintBottom_toTopOf="#+id/emailEditText"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent">
<TextView
android:id="#+id/welcomeTextView"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="24dp"
android:text="#string/welcome_text"
android:textColor="#fff"
android:textSize="23dp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/imageView" />
<TextView
android:id="#+id/introTextView"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginEnd="8dp"
android:layout_marginLeft="8dp"
android:layout_marginRight="8dp"
android:layout_marginStart="8dp"
android:layout_marginTop="16dp"
android:text="#string/intro_text"
android:textColor="#fff"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/welcomeTextView" />
<Button
android:id="#+id/learnMoreButton"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="8dp"
android:layout_marginStart="8dp"
android:layout_marginTop="16dp"
android:background="#drawable/pink_button"
android:text="#string/learn_more_button"
android:textColor="#fff"
app:layout_constraintEnd_toStartOf="#+id/signUpButton"
app:layout_constraintHorizontal_bias="0.5"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/introTextView" />
<Button
android:id="#+id/signUpButton"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="#drawable/navy_button"
android:text="#string/sign_up_button"
android:textColor="#fff"
app:layout_constraintBaseline_toBaselineOf="#+id/learnMoreButton"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.5"
app:layout_constraintStart_toEndOf="#+id/learnMoreButton" />
<ImageView
android:id="#+id/imageView"
android:layout_width="89dp"
android:layout_height="74dp"
android:layout_marginEnd="8dp"
android:layout_marginLeft="8dp"
android:layout_marginRight="8dp"
android:layout_marginStart="8dp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:srcCompat="#drawable/logo" />
</android.support.constraint.ConstraintLayout>
<EditText
android:id="#+id/emailEditText"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginEnd="8dp"
android:layout_marginLeft="8dp"
android:layout_marginRight="8dp"
android:layout_marginStart="8dp"
android:layout_marginTop="16dp"
android:drawableLeft="#drawable/ic_person_outline_black_24dp"
android:drawablePadding="10dp"
android:ems="10"
android:hint="#string/enter_email"
android:inputType="textEmailAddress"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/constraintLayout" />
<EditText
android:id="#+id/passwordEditText"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginEnd="8dp"
android:layout_marginLeft="8dp"
android:layout_marginRight="8dp"
android:layout_marginStart="8dp"
android:layout_marginTop="8dp"
android:drawableLeft="#drawable/ic_lock_outline_black_24dp"
android:drawablePadding="10dp"
android:ems="10"
android:hint="#string/enter_password"
android:inputType="textPassword"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/emailEditText" />
<Button
android:id="#+id/signInButton"
android:layout_width="220dp"
android:layout_height="wrap_content"
android:layout_marginEnd="8dp"
android:layout_marginLeft="8dp"
android:layout_marginRight="8dp"
android:layout_marginStart="8dp"
android:layout_marginTop="16dp"
android:background="#drawable/pink_button"
android:text="#string/sign_in_button"
android:textColor="#fff"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/passwordEditText" />
<TextView
android:id="#+id/orTextView"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginEnd="8dp"
android:layout_marginLeft="8dp"
android:layout_marginRight="8dp"
android:layout_marginStart="8dp"
android:layout_marginTop="16dp"
android:text="#string/or"
android:textColor="#color/colorPrimary"
app:layout_constraintBottom_toTopOf="#+id/fbSignInButton"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/signInButton" />
<Button
android:id="#+id/fbSignInButton"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginEnd="8dp"
android:layout_marginLeft="8dp"
android:layout_marginRight="8dp"
android:layout_marginStart="8dp"
android:layout_marginTop="14dp"
android:background="#drawable/pink_button"
android:text="#string/fb_button"
android:textColor="#fff"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/orTextView" />
</android.support.constraint.ConstraintLayout>
I have tried putting the scrollview nested inside the main constraint layout and I have also changed the layout to a Scrollview layout and nested a Constraint layout which I also could not get to work. Can someone explain where I am going wrong?

As scrollview is only capable of handling a single view, I would suggest you to wrap everything within a Linear Layout
Use the following code:
<ScrollView
android:layout_width="match_parent"
android:layout_height="match_parent">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">
//PUT ALL OF YOUR ELEMENTS IN HERE
//STARTING WITH...
<android.support.constraint.ConstraintLayout
android:id="#+id/constraintLayout"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_margin="0dp"
android:layout_marginBottom="16dp"
android:layout_marginEnd="8dp"
android:layout_marginLeft="8dp"
android:layout_marginRight="8dp"
android:layout_marginStart="8dp"
android:layout_marginTop="8dp"
android:background="#color/colorPrimaryDark"
android:padding="40dp"
app:layout_constraintBottom_toTopOf="#+id/emailEditText"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent">
..............REMAINING ELEMENTS.............
//AND ENDING WITH
<Button
android:id="#+id/fbSignInButton"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginEnd="8dp"
android:layout_marginLeft="8dp"
android:layout_marginRight="8dp"
android:layout_marginStart="8dp"
android:layout_marginTop="14dp"
android:background="#drawable/pink_button"
android:text="#string/fb_button"
android:textColor="#fff"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/orTextView" />
</LinearLayout>
</ScrollView>

Related

How to Hide TextView when Scrolling Recycler View?

I am devoloping an app interface for a local data base. In the fragment I intend to show the client's information, I want to be able to see the client's history. How can I hide the clients information when scrolling the client's history? (How can I hide several Text Views when scrolling a recyclerview in order to that recyclerview occupies the all screen?)
None of the solutions I encontered online really solve my problem. I am new to android so I am sure this is something farely simple.
What I Have
What I Want when I scroll far enough
<?xml version="1.0" encoding="utf-8"?>
<layout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto">
<androidx.constraintlayout.widget.ConstraintLayout
android:id="#+id/main_content"
android:layout_width="match_parent"
android:layout_height="match_parent"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
android:background="#drawable/tab_layout">
<com.google.android.material.floatingactionbutton.FloatingActionButton
android:id="#+id/bt_add_history"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="bottom|end"
android:layout_margin="16dp"
android:layout_marginEnd="8dp"
android:layout_marginBottom="8dp"
android:scaleType="center"
android:src="#drawable/ic_add"
app:backgroundTint="#color/colorTextGrey"
app:borderWidth="0dp"
app:fabSize="mini"
app:hoveredFocusedTranslationZ="0dp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:maxImageSize="24dp"
app:useCompatPadding="false" />
<TextView
android:id="#+id/tv_title_hist"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="24dp"
android:layout_marginTop="16dp"
android:fontFamily="#font/montserrat_semibold"
android:text="#string/historico"
android:textColor="#67739A"
android:textSize="16sp"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/tv_obser" />
<TextView
android:id="#+id/tv_obser"
style="#style/CustomEditText"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginStart="8dp"
android:layout_marginTop="16dp"
android:layout_marginEnd="8dp"
android:ems="10"
android:hint="#string/observations"
android:textAlignment="center"
android:textSize="14sp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.0"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/tv_title_observ" />
<TextView
android:id="#+id/tv_title_observ"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="24dp"
android:layout_marginTop="16dp"
android:fontFamily="#font/montserrat_semibold"
android:text="#string/observations"
android:textColor="#67739A"
android:textSize="16sp"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/tv_func" />
<TextView
android:id="#+id/tv_func"
style="#style/CustomEditText"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginStart="8dp"
android:layout_marginTop="8dp"
android:layout_marginEnd="8dp"
android:ems="10"
android:hint="#string/func"
android:textAlignment="center"
android:textSize="14sp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.0"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/tv_phone_number" />
<TextView
android:id="#+id/tv_phone_number"
style="#style/CustomEditText"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginStart="8dp"
android:layout_marginTop="8dp"
android:layout_marginEnd="8dp"
android:ems="10"
android:hint="#string/telemovel"
android:textAlignment="center"
android:textSize="14sp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="1.0"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/tv_birth_date" />
<TextView
android:id="#+id/tv_birth_date"
style="#style/CustomEditText"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginStart="8dp"
android:layout_marginTop="8dp"
android:layout_marginEnd="8dp"
android:ems="10"
android:hint="#string/dataNascimento"
android:textAlignment="center"
android:textSize="14sp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.0"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/tv_nome" />
<TextView
android:id="#+id/tv_nome"
style="#style/CustomEditText"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginStart="8dp"
android:layout_marginTop="8dp"
android:layout_marginEnd="8dp"
android:ems="10"
android:hint="#string/nome"
android:textAlignment="center"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"/>
<androidx.recyclerview.widget.RecyclerView
android:id="#+id/rv_history"
android:layout_width="0dp"
android:layout_height="0dp"
android:layout_marginStart="8dp"
android:layout_marginTop="8dp"
android:layout_marginEnd="8dp"
android:layout_marginBottom="8dp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/tv_title_hist" />
</androidx.constraintlayout.widget.ConstraintLayout>
</layout>
EDIT:
With the help of Md. Asaduzzaman, I ended up with this code for de xml (notice the changes to the action button - I wanted it to float above everything):
<?xml version="1.0" encoding="utf-8"?>
<layout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto">
<RelativeLayout
android:id="#+id/mainview"
android:layout_width="match_parent"
android:layout_height="match_parent">
<com.google.android.material.floatingactionbutton.FloatingActionButton
android:id="#+id/bt_add_history"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:layout_alignParentRight="true"
android:layout_margin="16dp"
android:layout_marginEnd="8dp"
android:layout_marginBottom="8dp"
android:scaleType="center"
android:src="#drawable/ic_add"
app:backgroundTint="#color/colorTextGrey"
app:fabSize="mini"
app:hoveredFocusedTranslationZ="0dp"
app:maxImageSize="24dp"
app:useCompatPadding="false"/>
<androidx.core.widget.NestedScrollView android:layout_width="match_parent"
android:layout_height="match_parent"
android:fillViewport="true">
<androidx.constraintlayout.widget.ConstraintLayout
android:id="#+id/main_content"
android:layout_width="match_parent"
android:layout_height="match_parent"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
android:background="#drawable/tab_layout">
<TextView
android:id="#+id/tv_title_hist"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="24dp"
android:layout_marginTop="16dp"
android:fontFamily="#font/montserrat_semibold"
android:text="#string/historico"
android:textColor="#67739A"
android:textSize="16sp"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/tv_obser" />
<TextView
android:id="#+id/tv_obser"
style="#style/CustomEditText"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginStart="8dp"
android:layout_marginTop="16dp"
android:layout_marginEnd="8dp"
android:ems="10"
android:hint="#string/observations"
android:textAlignment="center"
android:textSize="14sp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.0"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/tv_title_observ" />
<TextView
android:id="#+id/tv_title_observ"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="24dp"
android:layout_marginTop="16dp"
android:fontFamily="#font/montserrat_semibold"
android:text="#string/observations"
android:textColor="#67739A"
android:textSize="16sp"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/tv_func" />
<TextView
android:id="#+id/tv_func"
style="#style/CustomEditText"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginStart="8dp"
android:layout_marginTop="8dp"
android:layout_marginEnd="8dp"
android:ems="10"
android:hint="#string/func"
android:textAlignment="center"
android:textSize="14sp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.0"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/tv_phone_number" />
<TextView
android:id="#+id/tv_phone_number"
style="#style/CustomEditText"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginStart="8dp"
android:layout_marginTop="8dp"
android:layout_marginEnd="8dp"
android:ems="10"
android:hint="#string/telemovel"
android:textAlignment="center"
android:textSize="14sp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="1.0"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/tv_birth_date" />
<TextView
android:id="#+id/tv_birth_date"
style="#style/CustomEditText"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginStart="8dp"
android:layout_marginTop="8dp"
android:layout_marginEnd="8dp"
android:ems="10"
android:hint="#string/dataNascimento"
android:textAlignment="center"
android:textSize="14sp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.0"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/tv_nome" />
<TextView
android:id="#+id/tv_nome"
style="#style/CustomEditText"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginStart="8dp"
android:layout_marginTop="8dp"
android:layout_marginEnd="8dp"
android:ems="10"
android:hint="#string/nome"
android:textAlignment="center"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"/>
<androidx.recyclerview.widget.RecyclerView
android:id="#+id/rv_history"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginStart="8dp"
android:layout_marginTop="8dp"
android:layout_marginEnd="8dp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/tv_title_hist" />
</androidx.constraintlayout.widget.ConstraintLayout>
</androidx.core.widget.NestedScrollView>
</RelativeLayout>
</layout>

You could use NestedScrollView to make the whole view scrollable, which hides the top view when you start scrolling.
<androidx.core.widget.NestedScrollView android:layout_width="match_parent"
android:layout_height="match_parent"
android:fillViewport="true"
xmlns:tools="http://schemas.android.com/tools"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:android="http://schemas.android.com/apk/res/android">
<androidx.constraintlayout.widget.ConstraintLayout
android:id="#+id/main_content"
android:layout_width="match_parent"
android:layout_height="match_parent"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
android:background="#drawable/tab_layout">
<com.google.android.material.floatingactionbutton.FloatingActionButton
android:id="#+id/bt_add_history"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="bottom|end"
android:layout_margin="16dp"
android:layout_marginEnd="8dp"
android:layout_marginBottom="8dp"
android:scaleType="center"
android:src="#drawable/ic_add"
app:backgroundTint="#color/colorTextGrey"
app:borderWidth="0dp"
app:fabSize="mini"
app:hoveredFocusedTranslationZ="0dp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:maxImageSize="24dp"
app:useCompatPadding="false" />
<TextView
android:id="#+id/tv_title_hist"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="24dp"
android:layout_marginTop="16dp"
android:fontFamily="#font/montserrat_semibold"
android:text="#string/historico"
android:textColor="#67739A"
android:textSize="16sp"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/tv_obser" />
<TextView
android:id="#+id/tv_obser"
style="#style/CustomEditText"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginStart="8dp"
android:layout_marginTop="16dp"
android:layout_marginEnd="8dp"
android:ems="10"
android:hint="#string/observations"
android:textAlignment="center"
android:textSize="14sp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.0"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/tv_title_observ" />
<TextView
android:id="#+id/tv_title_observ"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="24dp"
android:layout_marginTop="16dp"
android:fontFamily="#font/montserrat_semibold"
android:text="#string/observations"
android:textColor="#67739A"
android:textSize="16sp"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/tv_func" />
<TextView
android:id="#+id/tv_func"
style="#style/CustomEditText"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginStart="8dp"
android:layout_marginTop="8dp"
android:layout_marginEnd="8dp"
android:ems="10"
android:hint="#string/func"
android:textAlignment="center"
android:textSize="14sp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.0"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/tv_phone_number" />
<TextView
android:id="#+id/tv_phone_number"
style="#style/CustomEditText"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginStart="8dp"
android:layout_marginTop="8dp"
android:layout_marginEnd="8dp"
android:ems="10"
android:hint="#string/telemovel"
android:textAlignment="center"
android:textSize="14sp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="1.0"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/tv_birth_date" />
<TextView
android:id="#+id/tv_birth_date"
style="#style/CustomEditText"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginStart="8dp"
android:layout_marginTop="8dp"
android:layout_marginEnd="8dp"
android:ems="10"
android:hint="#string/dataNascimento"
android:textAlignment="center"
android:textSize="14sp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.0"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/tv_nome" />
<TextView
android:id="#+id/tv_nome"
style="#style/CustomEditText"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginStart="8dp"
android:layout_marginTop="8dp"
android:layout_marginEnd="8dp"
android:ems="10"
android:hint="#string/nome"
android:textAlignment="center"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"/>
<androidx.recyclerview.widget.RecyclerView
android:id="#+id/rv_history"
android:layout_width="0dp"
android:layout_height="0dp"
android:layout_marginStart="8dp"
android:layout_marginTop="8dp"
android:layout_marginEnd="8dp"
android:layout_marginBottom="8dp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/tv_title_hist" />
</androidx.constraintlayout.widget.ConstraintLayout>
</androidx.core.widget.NestedScrollView>

I have issue with constraint layout like i am using two layouts and it is showing perfect but at the runtime only second layout is shown

Here is the result I would like to get:
I think the given images shown my complete problem but take a look at the code of my nested layout. Here is the result I currently get:
<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="match_parent"
android:layout_height="match_parent"
android:orientation="horizontal"
tools:context=".Main2Activity">
<!--MY FIRST LAYOUT -->
<ImageView
android:id="#+id/song_thumbnail"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="8dp"
android:layout_marginTop="8dp"
android:layout_marginEnd="8dp"
android:layout_marginBottom="8dp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.0"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="0.0"
tools:srcCompat="#tools:sample/avatars" />
<TextView
android:id="#+id/song_name"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="8dp"
android:layout_marginTop="8dp"
android:layout_marginEnd="8dp"
android:layout_marginBottom="8dp"
android:textStyle="bold"
android:textSize="15sp"
android:singleLine="true"
android:maxLength="20"
android:text="TextView"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.055"
app:layout_constraintStart_toEndOf="#+id/song_thumbnail"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="0.079" />
<ImageButton
android:id="#+id/more"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="8dp"
android:layout_marginTop="8dp"
android:layout_marginEnd="8dp"
android:layout_marginBottom="164dp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="1.0"
app:layout_constraintStart_toEndOf="#+id/song_name"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="0.081"
app:srcCompat="#drawable/recyclermore" />
<TextView
android:id="#+id/song_artist"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="8dp"
android:layout_marginTop="8dp"
android:layout_marginEnd="8dp"
android:layout_marginBottom="8dp"
android:singleLine="true"
android:maxLength="15"
android:textSize="10sp"
android:text="TextView"
app:layout_constraintBottom_toTopOf="#+id/more_buttons"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.055"
app:layout_constraintStart_toEndOf="#+id/song_thumbnail"
app:layout_constraintTop_toBottomOf="#+id/song_name"
app:layout_constraintVertical_bias="0.413" />
<android.support.constraint.ConstraintLayout
android:id="#+id/more_buttons"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginStart="8dp"
android:layout_marginTop="8dp"
android:layout_marginEnd="8dp"
android:layout_marginBottom="8dp"
android:background="#drawable/round_corners"
android:orientation="horizontal"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="1.0"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/song_thumbnail"
app:layout_constraintVertical_bias="0.003">
<ImageButton
android:id="#+id/add_to"
android:layout_width="wrap_content"
android:layout_height="70dp"
android:layout_marginStart="8dp"
android:layout_marginEnd="8dp"
android:background="#0000"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.075"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:srcCompat="#drawable/recycleraddto" />
<ImageButton
android:id="#+id/delete"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="8dp"
android:layout_marginTop="8dp"
android:layout_marginEnd="8dp"
android:layout_marginBottom="8dp"
android:background="#0000"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.101"
app:layout_constraintStart_toEndOf="#+id/add_to"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="0.6"
app:srcCompat="#drawable/recyclerdelete" />
<ImageButton
android:id="#+id/set_ringtone"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="8dp"
android:layout_marginTop="8dp"
android:layout_marginEnd="8dp"
android:background="#0000"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.201"
app:layout_constraintStart_toEndOf="#+id/delete"
app:layout_constraintTop_toTopOf="parent"
app:srcCompat="#drawable/recyclerringtone" />
<ImageButton
android:id="#+id/rename_title"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="8dp"
android:layout_marginTop="8dp"
android:layout_marginEnd="8dp"
android:background="#0000"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.452"
app:layout_constraintStart_toEndOf="#+id/set_ringtone"
app:layout_constraintTop_toTopOf="parent"
app:srcCompat="#drawable/recyclerrename" />
</android.support.constraint.ConstraintLayout>
</android.support.constraint.ConstraintLayout>
I am not providing the full code because i try but this site not allow me to do this and show me error (It looks like your post is mostly code please add some more details ) it is like a headache to new users to post a questions o this site.

UI on design view is not being displayed the same in emulator

I have a design created with ConstraintLayout. On the design pane is it okay, but when I run it on emulator it's not same same. Below is the image of how it looks on design view
And the next one is how it looks on emulator.
A snippet of the manifest
<activity
android:theme="#style/Theme.MaterialComponents.Light.DarkActionBar"
android:name=".WelcomeActivity" />
I have these installed
implementation 'com.android.support:appcompat-v7:28.0.0'
implementation 'com.android.support:design:28.0.0'
compileSdkVersion 28
minSdkVersion 16
targetSdkVersion 28
I have extended AppCompatActivity for the WecomeActivity class. I have also tried to invalidate cache and restart but it's not working.
I have no idea what is causing this. Thanks for help.
Here is the the code for that.
activity_welcome.yml
<?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="match_parent"
android:layout_height="match_parent"
tools:context=".WelcomeActivity">
<TextView
android:id="#+id/textView3"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="8dp"
android:layout_marginLeft="8dp"
android:layout_marginTop="96dp"
android:layout_marginEnd="8dp"
android:layout_marginRight="8dp"
android:text="#string/safe"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.498"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/imageView" />
<TextView
android:id="#+id/textView2"
android:layout_width="45dp"
android:layout_height="20dp"
android:layout_marginStart="8dp"
android:layout_marginLeft="8dp"
android:layout_marginEnd="8dp"
android:layout_marginRight="8dp"
android:layout_marginBottom="20dp"
android:text="#string/cheap"
app:layout_constraintBottom_toTopOf="#+id/textView3"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent" />
<ImageView
android:id="#+id/imageView"
android:layout_width="wrap_content"
android:layout_height="411dp"
android:layout_marginTop="8dp"
android:layout_marginEnd="8dp"
android:layout_marginRight="8dp"
android:layout_marginBottom="8dp"
android:contentDescription="#string/todo"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.515"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="0.0"
tools:srcCompat="#drawable/guliver_go_logo" />
<TextView
android:id="#+id/textView"
android:layout_width="70dp"
android:layout_height="20dp"
android:layout_marginStart="8dp"
android:layout_marginLeft="8dp"
android:layout_marginTop="8dp"
android:layout_marginEnd="8dp"
android:layout_marginRight="8dp"
android:layout_marginBottom="8dp"
android:text="#string/convinient"
app:layout_constraintBottom_toTopOf="#+id/textView2"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/imageView" />
<Button
android:id="#+id/welcome_login_button"
style="#style/Widget.MaterialComponents.Button.TextButton"
android:layout_width="141dp"
android:layout_height="63dp"
android:layout_marginStart="8dp"
android:layout_marginLeft="8dp"
android:layout_marginEnd="8dp"
android:layout_marginRight="8dp"
android:layout_marginBottom="88dp"
android:layout_weight="1"
android:background="#drawable/button_login_rounded"
android:text="#string/start_phone_auth"
android:textColor="#color/colorPrimaryDark"
android:textSize="20sp"
app:backgroundTint="#color/login_button_color"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.275"
app:layout_constraintStart_toStartOf="parent" />
<Button
android:id="#+id/welcome_call_button"
style="#style/Widget.MaterialComponents.Button.UnelevatedButton.Icon"
android:layout_width="141dp"
android:layout_height="63dp"
android:layout_marginStart="8dp"
android:layout_marginLeft="9dp"
android:layout_marginEnd="8dp"
android:layout_marginRight="8dp"
android:layout_marginBottom="88dp"
android:layout_weight="1"
android:background="#drawable/button_call_rounded"
android:drawablePadding="5dp"
android:paddingLeft="40dp"
android:paddingRight="40dp"
app:backgroundTint="#color/call_button_color"
app:icon="#drawable/ic_call"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.83"
app:layout_constraintStart_toStartOf="parent" />
</android.support.constraint.ConstraintLayout>

Here is the layout as you might missing some constraint of image or assigning wrong image constraint.
<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".MainActivity">
<ImageView
android:layout_width="0dp"
android:layout_height="400dp" tools:srcCompat="#tools:sample/avatars[1]"
android:id="#+id/imageView" app:layout_constraintTop_toTopOf="parent"
android:layout_marginTop="32dp" app:layout_constraintStart_toStartOf="parent"
android:layout_marginStart="16dp" app:layout_constraintEnd_toEndOf="parent"
android:layout_marginEnd="16dp"/>
<TextView
android:text="Text One"
android:layout_width="0dp"
android:gravity="center"
android:layout_height="wrap_content"
android:id="#+id/textView" android:layout_marginTop="24dp"
app:layout_constraintTop_toBottomOf="#+id/imageView" app:layout_constraintStart_toStartOf="parent"
android:layout_marginStart="16dp" app:layout_constraintEnd_toEndOf="parent"
android:layout_marginEnd="16dp"/>
<TextView
android:text="Text Two"
android:layout_width="0dp"
android:gravity="center"
android:layout_height="wrap_content"
android:id="#+id/textView2" app:layout_constraintStart_toStartOf="parent"
android:layout_marginStart="16dp" app:layout_constraintEnd_toEndOf="parent"
android:layout_marginEnd="16dp"
app:layout_constraintTop_toBottomOf="#+id/textView" android:layout_marginTop="8dp"/>
<TextView
android:text="TextView"
android:layout_width="0dp"
android:gravity="center"
android:layout_height="wrap_content"
android:id="#+id/textView3" android:layout_marginTop="8dp"
app:layout_constraintTop_toBottomOf="#+id/textView2" app:layout_constraintStart_toStartOf="parent"
android:layout_marginStart="16dp" app:layout_constraintEnd_toEndOf="parent"
android:layout_marginEnd="16dp"/>
<Button
android:text="Phone"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="#+id/button"
app:layout_constraintBaseline_toBaselineOf="#+id/button2" app:layout_constraintStart_toStartOf="parent"
android:layout_marginStart="32dp" app:layout_constraintEnd_toStartOf="#+id/button2"
app:layout_constraintHorizontal_bias="0.5"/>
<Button
android:text="Call"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="#+id/button2" app:layout_constraintEnd_toEndOf="parent" android:layout_marginEnd="32dp"
app:layout_constraintStart_toEndOf="#+id/button" android:layout_marginTop="32dp"
app:layout_constraintTop_toBottomOf="#+id/textView3" app:layout_constraintHorizontal_bias="0.5"/>
</android.support.constraint.ConstraintLayout>
or With Toolbar Set theme as Theme.MaterialComponents.Light.NoActionBar not as this Theme.MaterialComponents.Light.DarkActionBar. Then apply
<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".MainActivity">
<android.support.v7.widget.Toolbar
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:minHeight="?attr/actionBarSize"
android:id="#+id/toolbar" app:layout_constraintTop_toTopOf="parent"
app:layout_constraintStart_toStartOf="parent" app:layout_constraintEnd_toEndOf="parent"/>
<ImageView
android:layout_width="0dp"
android:layout_height="400dp" tools:srcCompat="#tools:sample/avatars[1]"
android:id="#+id/imageView" app:layout_constraintTop_toBottomOf="#id/toolbar"
android:layout_marginTop="32dp" app:layout_constraintStart_toStartOf="parent"
android:layout_marginStart="16dp" app:layout_constraintEnd_toEndOf="parent"
android:layout_marginEnd="16dp"/>
<TextView
android:text="Text One"
android:layout_width="0dp"
android:gravity="center"
android:layout_height="wrap_content"
android:id="#+id/textView" android:layout_marginTop="24dp"
app:layout_constraintTop_toBottomOf="#+id/imageView" app:layout_constraintStart_toStartOf="parent"
android:layout_marginStart="16dp" app:layout_constraintEnd_toEndOf="parent"
android:layout_marginEnd="16dp"/>
<TextView
android:text="Text Two"
android:layout_width="0dp"
android:gravity="center"
android:layout_height="wrap_content"
android:id="#+id/textView2" app:layout_constraintStart_toStartOf="parent"
android:layout_marginStart="16dp" app:layout_constraintEnd_toEndOf="parent"
android:layout_marginEnd="16dp"
app:layout_constraintTop_toBottomOf="#+id/textView" android:layout_marginTop="8dp"/>
<TextView
android:text="TextView"
android:layout_width="0dp"
android:gravity="center"
android:layout_height="wrap_content"
android:id="#+id/textView3" android:layout_marginTop="8dp"
app:layout_constraintTop_toBottomOf="#+id/textView2" app:layout_constraintStart_toStartOf="parent"
android:layout_marginStart="16dp" app:layout_constraintEnd_toEndOf="parent"
android:layout_marginEnd="16dp"/>
<Button
android:text="Phone"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="#+id/button"
app:layout_constraintBaseline_toBaselineOf="#+id/button2" app:layout_constraintStart_toStartOf="parent"
android:layout_marginStart="32dp" app:layout_constraintEnd_toStartOf="#+id/button2"
app:layout_constraintHorizontal_bias="0.5"/>
<Button
android:text="Call"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="#+id/button2" app:layout_constraintEnd_toEndOf="parent" android:layout_marginEnd="32dp"
app:layout_constraintStart_toEndOf="#+id/button" android:layout_marginTop="32dp"
app:layout_constraintTop_toBottomOf="#+id/textView3" app:layout_constraintHorizontal_bias="0.5"/>
</android.support.constraint.ConstraintLayout>
For small screen phone add ScrollView After ConstraintLayout (only if your development has phone screen < 5.0).

How to put 'spinner' on top of button

Is there a way I can make my spinner be put on top of my button? (There will be various things on top of my button and when you press the button everything thats on it including the button will disappear)(the button spans the width of the screen) Now it's my spinner under my button. I tried looking at different RelativeLayout settings but it didn't work. Here's the xml code below
<?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="match_parent"
android:layout_height="match_parent"
android:background="#color/colorBackground"
android:minHeight="170dp"
tools:context=".create"
tools:layout_editor_absoluteY="81dp">
<View
android:id="#+id/view"
android:layout_width="320dp"
android:layout_height="1dp"
android:layout_marginEnd="8dp"
android:layout_marginLeft="8dp"
android:layout_marginRight="8dp"
android:layout_marginStart="8dp"
android:layout_marginTop="76dp"
android:background="#color/colorText"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent" />
<Spinner
android:id="#+id/spinner"
android:layout_width="296dp"
android:layout_height="49dp"
android:layout_marginEnd="56dp"
android:layout_marginRight="56dp"
app:layout_constraintEnd_toEndOf="parent"
tools:layout_editor_absoluteY="95dp" />
<Button
android:id="#+id/button"
android:layout_width="330dp"
android:layout_height="wrap_content"
android:layout_marginBottom="312dp"
android:background="#drawable/button_shadow"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent" />
<View
android:id="#+id/view2"
android:layout_width="320dp"
android:layout_height="1dp"
android:layout_marginEnd="8dp"
android:layout_marginLeft="8dp"
android:layout_marginRight="8dp"
android:layout_marginStart="8dp"
android:layout_marginTop="28dp"
android:background="#color/colorText"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent" />
<TextView
android:id="#+id/textView"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginBottom="8dp"
android:layout_marginEnd="8dp"
android:layout_marginLeft="8dp"
android:layout_marginRight="8dp"
android:layout_marginStart="8dp"
android:layout_marginTop="8dp"
android:fontFamily="#font/droid_sans"
android:text="#string/done_label"
android:textColor="#color/colorText"
android:textSize="20sp"
app:layout_constraintBottom_toTopOf="#+id/view"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toEndOf="#+id/textView4"
app:layout_constraintTop_toBottomOf="#+id/view2"
app:layout_constraintVertical_bias="1.0" />
<TextView
android:id="#+id/textView4"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginBottom="8dp"
android:layout_marginEnd="128dp"
android:layout_marginRight="128dp"
android:layout_marginTop="8dp"
android:fontFamily="#font/droid_sans"
android:text="#string/aisle_label"
android:textColor="#color/colorText"
android:textSize="20sp"
app:layout_constraintBottom_toTopOf="#+id/view"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintTop_toBottomOf="#+id/view2"
app:layout_constraintVertical_bias="1.0" />
<TextView
android:id="#+id/textView3"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginBottom="5dp"
android:layout_marginEnd="44dp"
android:layout_marginLeft="8dp"
android:layout_marginRight="44dp"
android:layout_marginStart="8dp"
android:layout_marginTop="5dp"
android:fontFamily="#font/droid_sans"
android:text="#string/qty_label"
android:textColor="#color/colorText"
android:textSize="20sp"
app:layout_constraintBottom_toTopOf="#+id/view"
app:layout_constraintEnd_toStartOf="#+id/textView4"
app:layout_constraintHorizontal_bias="0.973"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/view2"
app:layout_constraintVertical_bias="0.7" />
<TextView
android:id="#+id/textView2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginBottom="8dp"
android:layout_marginEnd="8dp"
android:layout_marginLeft="8dp"
android:layout_marginRight="8dp"
android:layout_marginStart="8dp"
android:layout_marginTop="8dp"
android:fontFamily="#font/droid_sans"
android:text="#string/item_label"
android:textColor="#color/colorText"
android:textSize="20sp"
app:layout_constraintBottom_toTopOf="#+id/view"
app:layout_constraintEnd_toStartOf="#+id/textView3"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/view2"
app:layout_constraintVertical_bias="1.0" />
</android.support.constraint.ConstraintLayout>
Edit: I put my button and spinner into a frame layout, and when I tested it on my phone it works. However I tested it on a phone of a bigger size (and a newer android version) and the spinner doesn't show up (probably hidden again?) No idea why it would work on one phone but not the other,
<FrameLayout
android:layout_width="327dp"
android:layout_height="63dp"
android:layout_marginBottom="8dp"
android:layout_marginEnd="8dp"
android:layout_marginLeft="8dp"
android:layout_marginRight="8dp"
android:layout_marginStart="8dp"
android:layout_marginTop="8dp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.195"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/view">
<Button
android:id="#+id/buttontest"
android:layout_width="313dp"
android:layout_height="63dp"
android:layout_marginEnd="24dp"
android:layout_marginLeft="8dp"
android:layout_marginRight="24dp"
android:layout_marginStart="8dp"
android:background="#drawable/button_shadow"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.863"
app:layout_constraintStart_toStartOf="parent"
tools:layout_editor_absoluteY="102dp" />
<Spinner
android:id="#+id/spinner"
android:layout_width="249dp"
android:layout_height="58dp"
android:layout_marginBottom="344dp"
android:layout_marginTop="8dp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.237"
app:layout_constraintStart_toStartOf="parent" />
</FrameLayout>

Try calling
findViewById(R.id.spinner).bringToFront();

You can use this
<?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="match_parent"
android:layout_height="match_parent"
android:background="#color/browser_actions_bg_grey"
android:minHeight="170dp"
tools:layout_editor_absoluteY="81dp">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical"
>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal"
android:layout_marginTop="25dp"
>
<TextView
android:id="#+id/textView"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="Done"
android:textSize="20sp"
app:layout_constraintVertical_bias="1.0" />
<TextView
android:id="#+id/textView4"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text=" aisle_label"
android:textSize="20sp"
app:layout_constraintBottom_toTopOf="#+id/view"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintTop_toBottomOf="#+id/view2"
app:layout_constraintVertical_bias="1.0" />
<TextView
android:id="#+id/textView3"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text=" qty_label"
android:textSize="20sp"
app:layout_constraintBottom_toTopOf="#+id/view"
app:layout_constraintEnd_toStartOf="#+id/textView4"
app:layout_constraintHorizontal_bias="0.973"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/view2"
app:layout_constraintVertical_bias="0.7" />
<TextView
android:id="#+id/textView2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text=" item_label"
android:textSize="20sp"
app:layout_constraintBottom_toTopOf="#+id/view"
app:layout_constraintEnd_toStartOf="#+id/textView3"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/view2"
app:layout_constraintVertical_bias="1.0" />
</LinearLayout>
<View
android:id="#+id/view"
android:layout_width="match_parent"
android:layout_height="1dp"
android:layout_margin="10dp"
android:background="#a4a4a4"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent" />
<Spinner
android:id="#+id/spinner"
android:layout_width="match_parent"
android:layout_height="49dp"
android:layout_gravity="center"
android:layout_margin="10dp"
/>
<Button
android:id="#+id/button"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:text="Button"
app:layout_constraintStart_toStartOf="parent" />
<View
android:id="#+id/view2"
android:layout_width="match_parent"
android:layout_height="1dp"
android:layout_margin="10dp"
android:background="#a4a4a4"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent" />
</LinearLayout>
</android.support.constraint.ConstraintLayout>

I think I managed to sort something out - I created a 'FrameLayout' and put both my spinner & button in there.
Should do the job, unless I find an issue, in which I'll come back here,this should be solved. :) Thank you

In case anyone was wondering:
I put my 'button' into a FrameLayout then put the elements I want 'ontop' of it, under it (as in the code under it) like so:
<FrameLayout
android:id="#+id/frameLayout"
android:layout_width="357dp"
android:layout_height="58dp"
android:layout_marginBottom="8dp"
android:layout_marginEnd="8dp"
android:layout_marginLeft="8dp"
android:layout_marginRight="8dp"
android:layout_marginStart="8dp"
android:layout_marginTop="8dp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.195"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/view"
app:layout_constraintVertical_bias="0.016">
<Button
android:id="#+id/buttontest"
android:layout_width="393dp"
android:layout_height="63dp"
android:layout_marginEnd="24dp"
android:layout_marginLeft="8dp"
android:layout_marginRight="24dp"
android:layout_marginStart="8dp"
android:background="#drawable/button_shadow"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.863"
app:layout_constraintStart_toStartOf="parent"
tools:layout_editor_absoluteY="102dp" />
</FrameLayout>
<EditText
android:id="#+id/editText"
android:layout_width="44dp"
android:layout_height="wrap_content"
android:layout_marginBottom="8dp"
android:layout_marginEnd="184dp"
android:layout_marginLeft="8dp"
android:layout_marginRight="184dp"
android:layout_marginStart="8dp"
android:ems="10"
android:hint="qty"
android:inputType="number"
app:layout_constraintBottom_toBottomOf="#+id/frameLayout"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.0"
app:layout_constraintStart_toEndOf="#+id/spinner"
app:layout_constraintTop_toTopOf="#+id/frameLayout"
app:layout_constraintVertical_bias="1.0" />
<Spinner
android:id="#+id/spinner"
android:layout_width="85dp"
android:layout_height="45dp"
android:layout_marginBottom="8dp"
android:layout_marginTop="8dp"
app:layout_constraintBottom_toBottomOf="#+id/frameLayout"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.06"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="#+id/editText" />

How to remove unnecessary spacing and padding inside the Constraint Layout?

I am having issues in my application where there is unnecessary spacing and padding in my layout. For some reason there as a big gap of space in between each views. Is there another solution to remove or to avoid unnecessary spacing and padding around my layout?
Thanks for your help!
Layout code
<ScrollView 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"
android:fillViewport="true" >
<android.support.constraint.ConstraintLayout
android:id="#+id/LinearLayout"
android:layout_width="match_parent"
android:layout_height="wrap_content">
<TextView
android:id="#+id/title_text"
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:background="#color/colorTeal"
android:ellipsize="none"
android:gravity="start"
android:padding="#dimen/title_padding"
android:textColor="#color/colorWhite"
android:textSize="35sp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.571"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="0.0" />
<TextView
android:id="#+id/vote_average"
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:textSize="18sp"
app:layout_constraintBottom_toTopOf="#+id/overview_text"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.05"
app:layout_constraintStart_toEndOf="#+id/image_thumbnail"
app:layout_constraintTop_toBottomOf="#+id/release_date"
app:layout_constraintVertical_bias="0.19999999" />
<TextView
android:id="#+id/release_date"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginEnd="64dp"
android:layout_marginStart="8dp"
android:layout_marginTop="20dp"
android:textSize="24sp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.09"
app:layout_constraintStart_toEndOf="#+id/image_thumbnail"
app:layout_constraintTop_toBottomOf="#+id/title_text" />
<ImageView
android:id="#+id/image_thumbnail"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginEnd="4dp"
android:layout_marginStart="4dp"
android:layout_marginTop="20dp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.02"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/title_text" />
<TextView
android:id="#+id/overview_text"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginBottom="8dp"
android:layout_marginEnd="12dp"
android:layout_marginStart="8dp"
android:layout_marginTop="8dp"
android:textSize="18sp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.415"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/image_thumbnail"
app:layout_constraintVertical_bias="0.366" />
<ImageView
android:id="#+id/playbutton"
android:layout_width="39dp"
android:layout_height="44dp"
android:layout_marginBottom="48dp"
android:layout_marginEnd="8dp"
android:layout_marginStart="8dp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toStartOf="#+id/trailer_title"
app:layout_constraintHorizontal_bias="0.326"
app:layout_constraintStart_toStartOf="parent"
app:srcCompat="#android:drawable/ic_media_play" />
<View
android:id="#+id/view"
android:layout_width="match_parent"
android:layout_height="1dp"
android:layout_marginBottom="8dp"
android:layout_marginEnd="8dp"
android:layout_marginStart="8dp"
android:layout_marginTop="8dp"
android:background="#android:color/darker_gray"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.0"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/overview_text"
app:layout_constraintVertical_bias="0.305" />
<TextView
android:id="#+id/trailer_title"
android:layout_width="93dp"
android:layout_height="21dp"
android:layout_marginBottom="64dp"
android:layout_marginEnd="144dp"
android:layout_marginStart="8dp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.25"
app:layout_constraintStart_toEndOf="#+id/imageView2" />
<TextView
android:id="#+id/TrailersName"
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:text="Trailers"
android:textSize="24sp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.055"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/view"
app:layout_constraintVertical_bias="0.0" />
</android.support.constraint.ConstraintLayout>
</ScrollView>
1st layout screenshot
2nd layout screenshot

The space and padding you are seeing are not because of ScrollView, it's because of Viewgroup, try to use LinearLayout with vertical orienation, it should work just fine

Try this,
I had re-write your code and achieve the result as you want.
Please check the following code.
<?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="wrap_content"
android:layout_height="wrap_content"
android:fillViewport="false">
<RelativeLayout
android:id="#+id/LinearLayout"
android:layout_width="match_parent"
android:layout_height="wrap_content">
<TextView
android:id="#+id/title_text"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginBottom="8dp"
android:layout_marginEnd="8dp"
android:layout_marginStart="8dp"
android:layout_marginTop="8dp"
android:background="#009587"
android:ellipsize="none"
android:gravity="start"
android:padding="20dp"
android:text="Jumaji: Welcome to the Jungle"
android:textColor="#ffffff"
android:textSize="35sp" />
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_below="#id/title_text"
android:layout_marginEnd="10dp"
android:layout_marginStart="10dp">
<ImageView
android:id="#+id/ivMoviePoster"
android:layout_width="120dp"
android:layout_height="180dp"
android:contentDescription="#null"
android:src="#mipmap/ic_launcher" />
<TextView
android:id="#+id/release_date"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginEnd="64dp"
android:layout_marginStart="8dp"
android:layout_marginTop="20dp"
android:layout_toEndOf="#id/ivMoviePoster"
android:text="2017-12-08"
android:textSize="24sp" />
<TextView
android:id="#+id/vote_average"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="#id/release_date"
android:layout_marginBottom="8dp"
android:layout_marginEnd="8dp"
android:layout_marginStart="8dp"
android:layout_marginTop="8dp"
android:layout_toEndOf="#id/ivMoviePoster"
android:text="6.4"
android:textSize="18sp" />
<TextView
android:id="#+id/overview_text"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="#id/ivMoviePoster"
android:layout_marginBottom="8dp"
android:text="Lorem Ipsum is simply dummy text of the printing and typesetting industry."
android:textSize="18sp" />
<View
android:id="#+id/view"
android:layout_width="match_parent"
android:layout_height="1dp"
android:layout_below="#id/overview_text"
android:layout_marginBottom="8dp"
android:layout_marginTop="8dp" />
<TextView
android:id="#+id/trailer_title"
android:layout_width="93dp"
android:layout_height="21dp"
android:layout_below="#id/view"
android:layout_marginBottom="64dp"
android:layout_marginEnd="144dp"
android:layout_marginStart="8dp"
android:text="Trailer title" />
<ImageView
android:id="#+id/playbutton"
android:layout_width="39dp"
android:layout_height="44dp"
android:layout_below="#id/trailer_title"
android:layout_marginBottom="48dp"
android:layout_marginEnd="8dp"
android:layout_marginStart="8dp"
android:contentDescription="#null"
app:srcCompat="#android:drawable/ic_media_play" />
<TextView
android:id="#+id/TrailersName"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="#id/trailer_title"
android:layout_marginBottom="8dp"
android:layout_marginTop="8dp"
android:layout_toEndOf="#id/playbutton"
android:text="Trailers"
android:textSize="24sp" />
</RelativeLayout>
</RelativeLayout>
</ScrollView>
Result,
Hope it would be help you.

Develop Reference

The Android operating system is a mobile operating system that was developed by Google (GOOGL?) to be primarily used for touchscreen devices, cell phones, and tablets.

Android Studio Nesting ScrollView in a Constraint Layout - android

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