AAPT: error: not well-formed (invalid token)

AAPT: error: not well-formed (invalid token) - java

I am working on an application, with following XML.
This the XML of my Sign In Fragment.
But when I try to clean/build my project the following error occurs:
error: Error parsing XML: not well-formed (invalid token)
<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
xmlns:app="http://schemas.android.com/apk/res-auto"
tools:context=".SignInFragment"
android:background="#drawable/gradient_color">
<androidx.constraintlayout.widget.ConstraintLayout
android:layout_width="match_parent"
android:layout_height="match_parent">
<ImageButton
android:id="#+id/sign_up_close_btn"
android:layout_width="50dp"
android:layout_height="50dp"
android:background="#android:color/transparent"
android:padding="16dp"
android:src="#drawable/ic_cancel"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="1.0"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent" />
<ImageView
android:id="#+id/imageView"
android:layout_width="254dp"
android:layout_height="182dp"
android:src="#mipmap/ic_launcher_foreground"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.496"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="0.16000003" />
<EditText
android:id="#+id/sign_in_email"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginStart="16dp"
android:layout_marginLeft="16dp"
android:layout_marginTop="32dp"
android:layout_marginEnd="16dp"
android:layout_marginRight="16dp"
android:backgroundTint="#70FFFFFF"
android:textColor="#color/colorAccent"
android:ems="10"
android:hint="#string/hint_email"
android:inputType="textEmailAddress"
android:textColorHint="#70FFFFFF"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/imageView" />
<EditText
android:id="#+id/sign_in_pass"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginStart="16dp"
android:layout_marginLeft="16dp"
android:layout_marginTop="32dp"
android:layout_marginEnd="16dp"
android:layout_marginRight="16dp"
android:backgroundTint="#70FFFFFF"
android:textColor="#color/colorAccent"
android:ems="10"
android:hint="#string/hint_pass"
android:inputType="textPassword"
android:textColorHint="#70FFFFFF"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/sign_in_email" />
<TextView
android:id="#+id/sign_in_forgot_pass"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="4dp"
android:layout_marginLeft="4dp"
android:text="#string/forg_pass"
android:textColor="#color/colorAccent"
app:layout_constraintStart_toStartOf="#+id/sign_in_pass"
app:layout_constraintTop_toBottomOf="#+id/sign_in_pass" />
<Button
android:id="#+id/sign_in_btn"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginStart="16dp"
android:layout_marginLeft="16dp"
android:layout_marginEnd="16dp"
android:layout_marginRight="16dp"
android:background="#color/colorPrimary"
android:text="#string/btn_In"
android:textAllCaps="false"
android:textColor="#color/colorAccent"
android:textSize="16sp"
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/sign_in_forgot_pass"
app:layout_constraintVertical_bias="0.47000003" />
<TextView
android:id="#+id/textView2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="16dp"
android:text="#string/or"
android:textColor="#color/colorAccent"
app:layout_constraintBottom_toTopOf="#+id/tv_dont_have_an_account"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.498"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/sign_in_btn"
app:layout_constraintVertical_bias="0.0" />
<TextView
android:id="#+id/tv_dont_have_an_account"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginBottom="24dp"
android:text="#string/text1"
android:textColor="#color/colorAccent"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent" />
<View
android:id="#+id/divider"
android:layout_width="100dp"
android:layout_height="1dp"
android:layout_marginEnd="16dp"
android:layout_marginRight="16dp"
android:background="#color/colorAccent"
app:layout_constraintBottom_toBottomOf="#+id/textView2"
app:layout_constraintEnd_toStartOf="#+id/textView2"
app:layout_constraintTop_toTopOf="#+id/textView2" />
<View
android:id="#+id/divider2"
android:layout_width="100dp"
android:layout_height="1dp"
android:layout_marginStart="16dp"
android:layout_marginLeft="16dp"
android:background="#color/colorAccent"
app:layout_constraintBottom_toBottomOf="#+id/textView2"
app:layout_constraintStart_toEndOf="#+id/textView2"
app:layout_constraintTop_toTopOf="#+id/textView2" />
<ProgressBar
android:id="#+id/sign_in_progress_bar"
style="?android:attr/progressBarStyle"
android:layout_width="30dp"
android:layout_height="30dp"
android:visibility="invisible"
app:layout_constraintBottom_toTopOf="#+id/sign_in_btn"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/sign_in_pass" />
</>
</FrameLayout>
What does it possibly mean? what i have done wrong?
I'm really worried about this. i have go through my code many time but didn't find the error

The second-to-last line of your file has
</>
which causes your XML file to be not well-formed. Change it to
</androidx.constraintlayout.widget.ConstraintLayout>
to properly close a previous opening tag of the same name.

Related

What am I doing wrong: Constraintlayout inside ScrollView in Android Studio not scrolling to the end

I am not sure what I am doing wrong. I have read most of the samples I could find on YouTube and other places and tried the solutions they gave, but have not been able to resolve my issue.
The issue is that I am using ConstraintLayout inside ScrollView. I try to scroll, it does not really scroll at all. Therefore, some elements at the bottom are not shown. Below is my code. What am I doing wrong?
The below code is edited to include the corrections given and it is still not working. I really appreciate you suggestions and your intentions to help.
<?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"
xmlns:tools="http://schemas.android.com/tools"
android:id="#+id/scrolvw"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:fillViewport="true"
android:fitsSystemWindows="false"
android:scrollbars="vertical"
android:orientation="vertical">
<androidx.constraintlayout.widget.ConstraintLayout
android:id="#+id/constLay"
android:layout_width="match_parent"
android:layout_height="wrap_content"
tools:context=".RegisterActivity">
<ImageView
android:id="#+id/regAppLogo"
android:layout_width="0dp"
android:layout_height="0dp"
android:contentDescription="#string/fambuk_logo"
app:layout_constraintBottom_toTopOf="#+id/firstNameInputLayout"
app:layout_constraintDimensionRatio="3:0.45"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.5"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:srcCompat="#mipmap/fambuklogo"
tools:ignore="ImageContrastCheck" />
<com.google.android.material.textfield.TextInputLayout
android:id="#+id/firstNameInputLayout"
style="#style/Widget.MaterialComponents.TextInputLayout.OutlinedBox"
android:layout_width="280dp"
android:layout_height="48dp"
android:layout_marginStart="1dp"
android:layout_marginLeft="1dp"
android:layout_marginEnd="1dp"
android:layout_marginRight="1dp"
android:hint="First name"
app:layout_constraintBottom_toTopOf="#+id/lastnameInputLayout"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.5"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/regAppLogo">
<com.google.android.material.textfield.TextInputEditText
android:id="#+id/firstNameEditText"
style="#style/Widget.Design.TextInputLayout"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:height="48dp"
app:layout_constraintDimensionRatio="5:1"
tools:ignore="TextContrastCheck" />
</com.google.android.material.textfield.TextInputLayout>
<com.google.android.material.textfield.TextInputLayout
android:id="#+id/lastnameInputLayout"
style="#style/Theme.AppCompat.Light.NoActionBar"
android:layout_width="280dp"
android:layout_height="48dp"
android:layout_marginTop="14dp"
android:hint="Last name"
app:layout_constraintBottom_toTopOf="#+id/userNameInputLayout"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.5"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/firstNameInputLayout">
<com.google.android.material.textfield.TextInputEditText
android:id="#+id/lastNameEditText"
android:layout_width="match_parent"
android:layout_height="wrap_content"
tools:ignore="TextContrastCheck" />
</com.google.android.material.textfield.TextInputLayout>
<com.google.android.material.textfield.TextInputLayout
android:id="#+id/userNameInputLayout"
style="#style/Theme.AppCompat.Light.NoActionBar"
android:layout_width="280dp"
android:layout_height="48dp"
android:layout_marginStart="1dp"
android:layout_marginLeft="1dp"
android:layout_marginTop="14dp"
android:layout_marginEnd="1dp"
android:layout_marginRight="1dp"
android:hint="Username"
app:layout_constraintBottom_toTopOf="#+id/emailLayout"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.5"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/lastnameInputLayout">
<com.google.android.material.textfield.TextInputEditText
android:id="#+id/userNameEditText"
android:layout_width="match_parent"
android:layout_height="wrap_content"
tools:ignore="TextContrastCheck" />
</com.google.android.material.textfield.TextInputLayout>
<com.google.android.material.textfield.TextInputLayout
android:id="#+id/emailLayout"
android:layout_width="280dp"
android:layout_height="48dp"
android:layout_marginStart="1dp"
android:layout_marginLeft="1dp"
android:layout_marginTop="14dp"
android:layout_marginEnd="1dp"
android:layout_marginRight="1dp"
android:hint="Email"
app:layout_constraintBottom_toTopOf="#+id/passInputLayout"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.5"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/userNameInputLayout">
<com.google.android.material.textfield.TextInputEditText
android:id="#+id/emailEditText"
android:layout_width="match_parent"
android:layout_height="wrap_content"
tools:ignore="TextContrastCheck" />
</com.google.android.material.textfield.TextInputLayout>
<com.google.android.material.textfield.TextInputLayout
android:id="#+id/passInputLayout"
android:layout_width="280dp"
android:layout_height="48dp"
android:layout_marginStart="1dp"
android:layout_marginLeft="1dp"
android:layout_marginTop="14dp"
android:layout_marginEnd="1dp"
android:layout_marginRight="1dp"
android:hint="Password"
app:layout_constraintBottom_toTopOf="#+id/button"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.5"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/emailLayout">
<com.google.android.material.textfield.TextInputEditText
android:id="#+id/passEditText"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="36dp"
app:layout_constraintBottom_toTopOf="#+id/button"
app:layout_constraintTop_toBottomOf="#+id/passInputLayout"
tools:ignore="TextContrastCheck"
tools:layout_editor_absoluteX="-2dp" />
</com.google.android.material.textfield.TextInputLayout>
<Button
android:id="#+id/button"
android:layout_width="wrap_content"
android:layout_height="48dp"
android:layout_marginTop="14dp"
android:text="Sign up"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/passInputLayout"
tools:ignore="TextContrastCheck" />
<TextView
android:id="#+id/textView2"
android:layout_width="200dp"
android:layout_height="wrap_content"
android:layout_marginTop="8dp"
android:text="Already have an account ?"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/button"
tools:ignore="TextContrastCheck" />
<TextView
android:id="#+id/textView3"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="8dp"
android:text="Sign in"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.473"
app:layout_constraintStart_toEndOf="#+id/textView2"
app:layout_constraintTop_toBottomOf="#+id/button"
tools:ignore="TextContrastCheck" />
<androidx.constraintlayout.widget.Guideline
android:id="#+id/guideline6"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="horizontal"
app:layout_constraintGuide_begin="20dp" />
<TextView
android:id="#+id/textView4"
android:layout_width="255dp"
android:layout_height="23dp"
android:layout_marginTop="8dp"
android:orientation="horizontal"
android:text="By signing up you agree with our terms and conditions"
android:visibility="visible"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/textView2"
tools:ignore="TextContrastCheck" />
</androidx.constraintlayout.widget.ConstraintLayout>
</ScrollView>

The TextViews "textView2", "textView3" and "textView4" do not have vertical constraints. They probably look OK in the Android Studio designer because they have tools:layout_editor_absoluteY="420dp" set. That setting only has value in the designer and has no effect when the app is run. Without a vertical contraint, the view will shift to the top.
Make sure all of your view have horizontal and vertical constraints set.

How to adjust my app's text and widgets straight

I'm new to working with android layout, I'm building a form app but all my text widgets, dropdowns, and edit text are moving to the left can anyone tell what's wrong?
PS: Code will be appreciated
<?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"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent">
<androidx.constraintlayout.widget.ConstraintLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:padding="40dp"
tools:context=".MainActivity">
<TextView
android:id="#+id/textView"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="159dp"
android:layout_marginTop="16dp"
android:layout_marginEnd="126dp"
android:text="ERDI"
android:textColor="#000000"
android:textSize="40sp"
android:textStyle="bold"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="1.0"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent" />
<Spinner
android:id="#+id/spinner3"
android:layout_width="254dp"
android:layout_height="41dp"
android:layout_marginStart="56dp"
android:layout_marginTop="20dp"
android:layout_marginEnd="61dp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="1.0"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/textView5" />
<TextView
android:id="#+id/textView18"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="58dp"
android:layout_marginTop="20dp"
android:layout_marginEnd="208dp"
android:text="Spectre Shape"
android:textAlignment="textEnd"
android:textSize="16sp"
android:textStyle="bold"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="1.0"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/spinner3" />
<TextView
android:id="#+id/textView4"
android:layout_width="136dp"
android:layout_height="21dp"
android:layout_marginStart="56dp"
android:layout_marginTop="108dp"
android:layout_marginEnd="179dp"
android:gravity="right"
android:text="Collateral Damage"
android:textAlignment="gravity"
android:textSize="16sp"
android:textStyle="bold"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="1.0"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/textView2" />
<Spinner
android:id="#+id/spinner5"
android:layout_width="254dp"
android:layout_height="41dp"
android:layout_marginStart="56dp"
android:layout_marginTop="20dp"
android:layout_marginEnd="61dp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="1.0"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/textView4" />
<TextView
android:id="#+id/textView5"
android:layout_width="118dp"
android:layout_height="25dp"
android:layout_marginStart="56dp"
android:layout_marginTop="24dp"
android:layout_marginEnd="196dp"
android:text="Ground Shaking"
android:textAlignment="textEnd"
android:textSize="16sp"
android:textStyle="bold"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="1.0"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/spinner2" />
<TextView
android:id="#+id/textView2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="56dp"
android:layout_marginTop="128dp"
android:layout_marginEnd="238dp"
android:text="Hazard"
android:textColor="#000000"
android:textSize="24sp"
android:textStyle="bold"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="1.0"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent" />
<EditText
android:id="#+id/editTextTextPersonName4"
android:layout_width="252dp"
android:layout_height="46dp"
android:layout_marginStart="56dp"
android:layout_marginTop="20dp"
android:layout_marginEnd="63dp"
android:ems="10"
android:hint="Enter the Height..."
android:inputType="textPersonName"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="1.0"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/textView18" />
<TextView
android:id="#+id/textView3"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="56dp"
android:layout_marginTop="20dp"
android:layout_marginEnd="229dp"
android:text="Zone Factor"
android:textAlignment="textEnd"
android:textSize="16sp"
android:textStyle="bold"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="1.0"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/spinner5" />
<Spinner
android:id="#+id/spinner2"
android:layout_width="254dp"
android:layout_height="41dp"
android:layout_marginStart="56dp"
android:layout_marginTop="20dp"
android:layout_marginEnd="61dp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="1.0"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/textView3" />
<Spinner
android:id="#+id/spinner4"
android:layout_width="254dp"
android:layout_height="41dp"
android:layout_marginStart="56dp"
android:layout_marginTop="20dp"
android:layout_marginEnd="61dp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="1.0"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/textView8" />
<TextView
android:id="#+id/textView10"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="56dp"
android:layout_marginTop="24dp"
android:layout_marginEnd="148dp"
android:text="FSI (Floor Space Index)"
android:textAlignment="textEnd"
android:textSize="16sp"
android:textStyle="bold"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="1.0"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/spinner4" />
<TextView
android:id="#+id/textView7"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="56dp"
android:layout_marginTop="72dp"
android:layout_marginEnd="215dp"
android:text="Exposure"
android:textColor="#000000"
android:textSize="24sp"
android:textStyle="bold"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="1.0"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/editTextTextPersonName4" />
<TextView
android:id="#+id/textView8"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="56dp"
android:layout_marginTop="32dp"
android:layout_marginEnd="224dp"
android:text="Importance I"
android:textSize="16sp"
android:textStyle="bold"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="1.0"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/textView7" />
<EditText
android:id="#+id/editTextTextPersonName2"
android:layout_width="255dp"
android:layout_height="47dp"
android:layout_marginStart="56dp"
android:layout_marginTop="20dp"
android:layout_marginEnd="60dp"
android:ems="10"
android:hint="Enter the FSI..."
android:inputType="textPersonName"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="1.0"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/textView10" />
<Spinner
android:id="#+id/spinner7"
android:layout_width="254dp"
android:layout_height="41dp"
android:layout_marginStart="56dp"
android:layout_marginTop="12dp"
android:layout_marginEnd="61dp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="1.0"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/textView13" />
<Spinner
android:id="#+id/spinner6"
android:layout_width="254dp"
android:layout_height="41dp"
android:layout_marginStart="56dp"
android:layout_marginTop="20dp"
android:layout_marginEnd="61dp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="1.0"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/textView12" />
<TextView
android:id="#+id/textView13"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="56dp"
android:layout_marginTop="12dp"
android:layout_marginEnd="89dp"
android:text="Economic Loss Inducing Factors"
android:textAlignment="textEnd"
android:textSize="16sp"
android:textStyle="bold"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="1.0"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/spinner6" />
<TextView
android:id="#+id/textView12"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="56dp"
android:layout_marginTop="48dp"
android:layout_marginEnd="139dp"
android:text="Life Threatening Factors"
android:textAlignment="textEnd"
android:textSize="16sp"
android:textStyle="bold"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="1.0"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/textView11" />
<Button
android:id="#+id/postdataBtn"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="147dp"
android:layout_marginTop="108dp"
android:layout_marginEnd="133dp"
android:text="SUBMIT"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="1.0"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/spinner7" />
<TextView
android:id="#+id/textView11"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="127dp"
android:layout_marginTop="80dp"
android:layout_marginEnd="108dp"
android:text="Vulnerability"
android:textColor="#000000"
android:textSize="24sp"
android:textStyle="bold"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="1.0"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/editTextTextPersonName2" />
</androidx.constraintlayout.widget.ConstraintLayout>
</ScrollView>
I'm using constraint layout inside Scroll View layout, I tried various text alignment, widget alignment but the layout still remains to align left.

I Have Used Linear Layout And Updated Your Code to look like a form
If it Helps Accept My Answer !!
<?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"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent">
<androidx.appcompat.widget.LinearLayoutCompat
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:padding="40dp"
android:gravity="start"
tools:context=".MainActivity">
<TextView
android:id="#+id/textView"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="ERDI"
android:textColor="#000000"
android:textSize="20sp"
android:textStyle="bold"
/>
<Spinner
android:id="#+id/spinner3"
android:layout_width="254dp"
android:layout_height="41dp"
android:layout_marginTop="20dp"
android:layout_marginEnd="61dp"/>
<TextView
android:id="#+id/textView18"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="20dp"
android:text="Spectre Shape"
android:textAlignment="textEnd"
android:textSize="16sp"
android:textStyle="bold"/>
<TextView
android:id="#+id/textView4"
android:layout_width="136dp"
android:layout_height="21dp"
android:layout_marginTop="20dp"
android:gravity="right"
android:text="Collateral Damage"
android:textAlignment="gravity"
android:textSize="16sp"
android:textStyle="bold"/>
<Spinner
android:id="#+id/spinner5"
android:layout_width="254dp"
android:layout_height="41dp"
android:layout_marginTop="20dp"
android:layout_marginEnd="61dp"/>
<TextView
android:id="#+id/textView5"
android:layout_width="118dp"
android:layout_height="25dp"
android:layout_marginTop="24dp"
android:text="Ground Shaking"
android:textAlignment="textEnd"
android:textSize="16sp"
android:textStyle="bold"/>
<TextView
android:id="#+id/textView2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="20dp"
android:text="Hazard"
android:textColor="#000000"
android:textSize="24sp"
android:textStyle="bold"/>
<EditText
android:id="#+id/editTextTextPersonName4"
android:layout_width="252dp"
android:layout_height="46dp"
android:layout_marginTop="20dp"
android:ems="10"
android:hint="Enter the Height..."
android:inputType="textPersonName"/>
<TextView
android:id="#+id/textView3"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="20dp"
android:text="Zone Factor"
android:textAlignment="textEnd"
android:textSize="16sp"
android:textStyle="bold"/>
<Spinner
android:id="#+id/spinner2"
android:layout_width="254dp"
android:layout_height="41dp"
android:layout_marginTop="20dp"/>
<Spinner
android:id="#+id/spinner4"
android:layout_width="254dp"
android:layout_height="41dp"
android:layout_marginTop="20dp"/>
<TextView
android:id="#+id/textView10"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="24dp"
android:text="FSI (Floor Space Index)"
android:textAlignment="textEnd"
android:textSize="16sp"
android:textStyle="bold"/>
<TextView
android:id="#+id/textView7"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="20dp"
android:text="Exposure"
android:textColor="#000000"
android:textSize="20sp"
android:textStyle="bold"/>
<TextView
android:id="#+id/textView8"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="32dp"
android:text="Importance I"
android:textSize="16sp"
android:textStyle="bold"/>
<EditText
android:id="#+id/editTextTextPersonName2"
android:layout_width="255dp"
android:layout_height="47dp"
android:layout_marginTop="20dp"
android:ems="10"
android:hint="Enter the FSI..."
android:inputType="textPersonName"/>
<Spinner
android:id="#+id/spinner7"
android:layout_width="254dp"
android:layout_height="41dp"
android:layout_marginTop="12dp"/>
<Spinner
android:id="#+id/spinner6"
android:layout_width="254dp"
android:layout_height="41dp"
android:layout_marginTop="20dp"
android:layout_marginEnd="61dp"/>
<TextView
android:id="#+id/textView13"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="12dp"
android:text="Economic Loss Inducing Factors"
android:textAlignment="textEnd"
android:textSize="16sp"
android:textStyle="bold"/>
<TextView
android:id="#+id/textView12"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="20dp"
android:text="Life Threatening Factors"
android:textAlignment="textEnd"
android:textSize="16sp"
android:textStyle="bold"/>
<Button
android:id="#+id/postdataBtn"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="108dp"
android:text="SUBMIT"
android:layout_gravity="center" />
<TextView
android:id="#+id/textView11"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="80dp"
android:text="Vulnerability"
android:textColor="#000000"
android:textSize="24sp"
android:textStyle="bold"/>
</androidx.appcompat.widget.LinearLayoutCompat>
</ScrollView>

What I would suggest you to do is to fit everything into a Linear Layout, like this:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent">
<ScrollView
android:layout_width="match_parent"
android:layout_height="match_parent">
your code here
</ScrollView>
</LinearLayout>
Also, as someone said in your comments, you should, inside of the ScrollView, use LinearLayout with vertical alignment, and then use proper paddings and margins in order to make the UI look good. You can use gravity and layout-gravity to align every element you want.

Android: Cut off constraint layout

When adding a constraint layout within another constraint layout the inner one gets cut off.
I already tried changing the constraint top of view but that didn't change anything. Anyone knows why this is happening?
I also tried it out with different layouts ( the cyan one is the culprit ) which all had the same effect.
<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.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/cyberpunk_background"
tools:context=".Todo_create">
<EditText
android:id="#+id/editText"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="48dp"
android:autofillHints=""
android:background="#drawable/square_round"
android:ems="10"
android:hint="Title"
android:inputType="textPersonName"
android:textColor="#color/cardview_light_background"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent" />
<EditText
android:id="#+id/editText3"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="148dp"
android:background="#drawable/square_round"
android:ems="10"
android:hint="Description"
android:inputType="textPersonName"
android:textColor="#color/cardview_light_background"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent" />
<EditText
android:id="#+id/editText4"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="104dp"
android:background="#drawable/square_round"
android:clickable="true"
android:ems="10"
android:hint="Time"
android:inputType="textPersonName"
android:textColor="#color/cardview_light_background"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/editText3" />
<Button
android:id="#+id/button_add_new_todo"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginEnd="32dp"
android:layout_marginBottom="32dp"
android:background="#drawable/square_round"
android:text="Button"
android:textColor="#color/cardview_light_background"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent" />
<androidx.constraintlayout.widget.ConstraintLayout
android:layout_width="0dp"
android:layout_height="0dp"
android:layout_marginStart="1dp"
android:layout_marginEnd="1dp"
android:layout_marginBottom="256dp"
android:adjustViewBounds="true"
android:background="#color/colorAccent"
android:orientation="horizontal"
android:scaleType="centerInside"
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/editText4"
app:layout_constraintVertical_bias="1.0">
<ImageButton
android:id="#+id/imageButton"
android:layout_width="47dp"
android:layout_height="50dp"
android:layout_marginStart="16dp"
android:layout_marginTop="16dp"
android:layout_marginBottom="26dp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:srcCompat="#drawable/alarm_clock_1" />
</androidx.constraintlayout.widget.ConstraintLayout>
</androidx.constraintlayout.widget.ConstraintLayout>

It seems that you have an unnecessary android:layout_marginBottom="256dp" in your nested constraint layout.

ScrollView Not Working in android studio , desired output not coming

The output of the below code is not coming as the output required . Full Screen is not been covered in the scrollview .I am trying to use Constraint Layout inside the scroll view.Please help.......
The contents of the constraint layout are getting overlaped and the full screen is not covered by constraint layout....
<?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"
xmlns:tools="http://schemas.android.com/tools"
xmlns:fancy="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".MainActivity">
<androidx.constraintlayout.widget.ConstraintLayout
android:layout_width="match_parent"
android:layout_height="wrap_content">
<com.libizo.CustomEditText
android:id="#+id/Email"
android:layout_width="285dp"
android:layout_height="69dp"
android:ems="10"
android:hint="Email"
android:inputType="textPersonName"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.873"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="0.111"
app:libIZO_clearIconTint="#8f1f15"
app:libIZO_setBorderColor="#8f1f15"
app:libIZO_setBorderView="true"
app:libIZO_setClearIconVisible="true"
app:libIZO_setCornerRadius="4dp"
app:libIZO_setStrokeWidth="2dp" />
<ImageView
android:id="#+id/icon_mail"
android:layout_width="75dp"
android:layout_height="66dp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.047"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="0.115"
app:srcCompat="#drawable/ic_email"
tools:ignore="ContentDescription,UnusedAttribute,VectorDrawableCompat" />
<mehdi.sakout.fancybuttons.FancyButton
android:id="#+id/Login"
android:layout_width="204dp"
android:layout_height="75dp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.497"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="0.417"
fancy:fb_borderColor="#FFFFFF"
fancy:fb_borderWidth="1dp"
fancy:fb_defaultColor="#7ab800"
fancy:fb_focusColor="#9bd823"
fancy:fb_iconPosition="left"
fancy:fb_radius="30dp"
fancy:fb_text="Login / Register"
fancy:fb_textColor="#FFFFFF"
fancy:fb_textSize="25dp" />
<ImageView
android:id="#+id/icon_lock"
android:layout_width="80dp"
android:layout_height="68dp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.048"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="0.268"
app:srcCompat="#drawable/ic_lock"
tools:ignore="ContentDescription,UnusedAttribute,VectorDrawableCompat" />
<com.libizo.CustomEditText
android:id="#+id/Password"
android:layout_width="285dp"
android:layout_height="69dp"
android:ems="10"
android:hint="Password"
android:inputType="textPassword"
android:textSize="20sp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.873"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="0.268"
app:libIZO_clearIconTint="#8f1f15"
app:libIZO_setBorderColor="#8f1f15"
app:libIZO_setBorderView="true"
app:libIZO_setClearIconVisible="true"
app:libIZO_setCornerRadius="4dp"
app:libIZO_setStrokeWidth="2dp" />
<TextView
android:id="#+id/Forgot_Password"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Forgot Password ?"
android:textSize="30dp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.496"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="0.527" />
<ProgressBar
android:id="#+id/progressBar"
style="?android:attr/progressBarStyle"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
android:visibility="gone"/>
<Button
android:id="#+id/Google"
android:layout_width="168dp"
android:layout_height="145dp"
android:background="#drawable/ic_google"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.884"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="0.725" />
<Button
android:id="#+id/Phone"
android:layout_width="168dp"
android:layout_height="145dp"
android:background="#drawable/ic_phone"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.148"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="0.725" />
<Button
android:id="#+id/Facebook"
android:layout_width="208dp"
android:layout_height="156dp"
android:background="#drawable/ic_facebook"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.541"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="0.991" />
</androidx.constraintlayout.widget.ConstraintLayout>
</ScrollView>
The Output for the following code is shown here

You set wrong Constraint to view. Try like below. It will give you some idea and change it according your need.
<?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"
xmlns:tools="http://schemas.android.com/tools"
xmlns:fancy="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent">
<androidx.constraintlayout.widget.ConstraintLayout
android:padding="20dp"
android:layout_width="match_parent"
android:layout_height="wrap_content">
<ImageView
android:id="#+id/icon_mail"
android:layout_width="75dp"
android:layout_height="66dp"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:srcCompat="#drawable/ic_email"
tools:ignore="ContentDescription,UnusedAttribute,VectorDrawableCompat" />
<com.libizo.CustomEditText
android:id="#+id/Email"
android:layout_width="285dp"
android:layout_height="69dp"
android:ems="10"
android:hint="Email"
android:inputType="textPersonName"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:libIZO_clearIconTint="#8f1f15"
app:libIZO_setBorderColor="#8f1f15"
app:libIZO_setBorderView="true"
app:libIZO_setClearIconVisible="true"
app:libIZO_setCornerRadius="4dp"
app:libIZO_setStrokeWidth="2dp" />
<ImageView
android:id="#+id/icon_lock"
android:layout_width="80dp"
android:layout_height="68dp"
android:layout_marginTop="20dp"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/icon_mail"
app:srcCompat="#drawable/ic_lock"
tools:ignore="ContentDescription,UnusedAttribute,VectorDrawableCompat" />
<com.libizo.CustomEditText
android:id="#+id/Password"
android:layout_width="285dp"
android:layout_height="69dp"
android:ems="10"
android:hint="Password"
android:inputType="textPassword"
android:textSize="20sp"
android:layout_marginTop="20dp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintTop_toBottomOf="#+id/Email"
app:libIZO_clearIconTint="#8f1f15"
app:libIZO_setBorderColor="#8f1f15"
app:libIZO_setBorderView="true"
app:libIZO_setClearIconVisible="true"
app:libIZO_setCornerRadius="4dp"
app:libIZO_setStrokeWidth="2dp" />
<mehdi.sakout.fancybuttons.FancyButton
android:id="#+id/Login"
android:layout_width="204dp"
android:layout_height="75dp"
android:layout_marginTop="20dp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/Password"
fancy:fb_borderColor="#FFFFFF"
fancy:fb_borderWidth="1dp"
fancy:fb_defaultColor="#7ab800"
fancy:fb_focusColor="#9bd823"
fancy:fb_iconPosition="left"
fancy:fb_radius="30dp"
fancy:fb_text="Login / Register"
fancy:fb_textColor="#FFFFFF"
fancy:fb_textSize="25dp" />
<TextView
android:id="#+id/Forgot_Password"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Forgot Password ?"
android:textSize="30dp"
android:layout_marginTop="20dp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/Login" />
<ProgressBar
android:id="#+id/progressBar"
style="?android:attr/progressBarStyle"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
android:visibility="gone"/>
<Button
android:id="#+id/Google"
android:layout_width="168dp"
android:layout_height="145dp"
android:layout_marginTop="20dp"
android:background="#drawable/ic_google"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintTop_toBottomOf="#+id/Forgot_Password" />
<Button
android:id="#+id/Phone"
android:layout_width="168dp"
android:layout_height="145dp"
android:background="#drawable/ic_phone"
android:layout_marginTop="20dp"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/Forgot_Password" />
<Button
android:id="#+id/Facebook"
android:layout_width="208dp"
android:layout_height="156dp"
android:background="#drawable/ic_facebook"
android:layout_marginTop="20dp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/Google"/>
</androidx.constraintlayout.widget.ConstraintLayout>
</ScrollView>

TextView Not getting placed under half of screen

Unable to place a textview or any object under half of a screen
<?xml version="1.0" encoding="utf-8"?>
<androidx.coordinatorlayout.widget.CoordinatorLayout 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">
<com.google.android.material.appbar.AppBarLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:theme="#style/AppTheme.AppBarOverlay">
<androidx.appcompat.widget.Toolbar
android:id="#+id/toolbar"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
android:background="?attr/colorPrimary"
app:popupTheme="#style/AppTheme.PopupOverlay" />
</com.google.android.material.appbar.AppBarLayout>
<include layout="#layout/content_main" />
<ScrollView
android:layout_width="match_parent"
android:layout_height="match_parent">
<androidx.constraintlayout.widget.ConstraintLayout
android:layout_width="match_parent"
android:layout_height="wrap_content">
<TextView
android:id="#+id/gender"
android:layout_width="96dp"
android:layout_height="49dp"
android:layout_gravity="center"
android:paddingTop="30dp"
android:text="GENDER"
android:textAlignment="center"
android:textAppearance="?android:attr/textAppearanceMedium"
android:textColor="#android:color/holo_red_dark"
android:textStyle="bold|italic"
android:typeface="serif"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.295"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="0.102" />
<TextView
android:id="#+id/tv4"
android:layout_width="96dp"
android:layout_height="49dp"
android:layout_gravity="center"
android:layout_marginTop="116dp"
android:paddingTop="30dp"
android:text="HEIGHT"
android:textAlignment="center"
android:textAppearance="?android:attr/textAppearanceMedium"
android:textColor="#android:color/holo_red_dark"
android:textStyle="bold|italic"
android:typeface="serif"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.295"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent" />
<org.angmarch.views.NiceSpinner
android:id="#+id/weight_spinner"
android:layout_width="148dp"
android:layout_height="52dp"
android:layout_marginBottom="12dp"
app:layout_constraintBottom_toTopOf="#+id/weight_et"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.222"
app:layout_constraintStart_toEndOf="#+id/tv3" />
<EditText
android:id="#+id/weight_et"
android:layout_width="139dp"
android:layout_height="38dp"
android:layout_gravity="center"
android:layout_marginTop="28dp"
android:ems="10"
android:fadingEdgeLength="10dp"
android:hint="Enter Weight"
android:inputType="numberDecimal"
android:textAlignment="center"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.283"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/tv3" />
<TextView
android:id="#+id/tv3"
android:layout_width="107dp"
android:layout_height="55dp"
android:layout_gravity="center"
android:paddingTop="30dp"
android:text="WEIGHT"
android:textAlignment="center"
android:textAppearance="?android:attr/textAppearanceMedium"
android:textColor="#android:color/holo_red_dark"
android:textStyle="bold|italic"
android:typeface="serif"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.305"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/height_et" />
<Button
android:id="#+id/ib1"
android:layout_width="158dp"
android:layout_height="51dp"
android:layout_gravity="center"
android:layout_marginTop="28dp"
android:background="#android:color/holo_blue_dark"
android:capitalize="words"
android:fadingEdge="vertical"
android:longClickable="true"
android:text="Calculate"
android:textColor="#android:color/holo_green_light"
android:textStyle="bold|italic"
android:visibility="gone"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.498"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/weight_et" />
<org.angmarch.views.NiceSpinner
android:id="#+id/height_spinner"
android:layout_width="148dp"
android:layout_height="54dp"
android:layout_marginBottom="16dp"
app:layout_constraintBottom_toTopOf="#+id/height_et"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.148"
app:layout_constraintStart_toEndOf="#+id/tv4" />
<EditText
android:id="#+id/height_et"
android:layout_width="137dp"
android:layout_height="43dp"
android:layout_gravity="center"
android:layout_marginTop="32dp"
android:ems="10"
android:hint="Enter Height"
android:inputType="numberDecimal"
android:textAlignment="center"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.281"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/tv4"/>
<TextView
android:id="#+id/result_tv"
android:layout_width="200dp"
android:layout_height="66dp"
android:layout_gravity="center"
android:paddingTop="20dp"
android:text=""
android:textAlignment="center"
android:textColor="#android:color/holo_orange_dark"
android:textSize="20dp"
android:textStyle="bold"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.027"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/ib1"
app:layout_constraintVertical_bias="1.0" />
<EditText
android:id="#+id/ft_in_et"
android:layout_width="158dp"
android:layout_height="44dp"
android:layout_marginBottom="20dp"
android:ems="10"
android:hint=""
android:inputType="numberDecimal"
android:textAlignment="center"
android:visibility="gone"
android:enabled="false"
app:layout_constraintBottom_toTopOf="#+id/weight_spinner"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.27"
app:layout_constraintStart_toEndOf="#+id/height_et" />
<EditText
android:id="#+id/st_lb_et"
android:layout_width="149dp"
android:layout_height="41dp"
android:ems="10"
android:hint="lb"
android:inputType="numberDecimal"
android:textAlignment="center"
android:visibility="gone"
app:layout_constraintBottom_toTopOf="#+id/ib1"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.076"
app:layout_constraintStart_toEndOf="#+id/weight_et" />
<TextView
android:id="#+id/ideal_weight"
android:layout_width="171dp"
android:layout_height="64dp"
android:gravity="center"
android:text=""
android:textAlignment="center"
android:textSize="20dp"
android:textStyle="bold"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.982"
app:layout_constraintStart_toStartOf="#+id/result_tv" />
<org.angmarch.views.NiceSpinner
android:id="#+id/gender_spinner"
android:layout_width="187dp"
android:layout_height="50dp"
app:layout_constraintBottom_toTopOf="#+id/tv4"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.982"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="1.0" />
<com.google.android.gms.ads.AdView
android:id="#+id/adView"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:layout_centerHorizontal="true"
app:adSize="BANNER"
app:adUnitId="ca-app-pub-3940256099942544/6300978111"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"></com.google.android.gms.ads.AdView>
</androidx.constraintlayout.widget.ConstraintLayout>
</ScrollView>
<com.google.android.material.floatingactionbutton.FloatingActionButton
android:id="#+id/fab"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="bottom|end"
android:layout_margin="#dimen/fab_margin"
app:backgroundTint="#009688"
app:srcCompat="#drawable/ic_reset" />
</androidx.coordinatorlayout.widget.CoordinatorLayout>
As you can see in the image that half of the screen is uneditable
As you can see in the image that half of the screen is uneditable
As you can see in the image that half of the screen is uneditable
[Here is an image of layout]
https://i.stack.imgur.com/OKygh.jpg

Problem is inside of your ConstraintLayout. You use wrong constraints.
Fixed Some:
<?xml version="1.0" encoding="utf-8"?>
<androidx.coordinatorlayout.widget.CoordinatorLayout 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">
<com.google.android.material.appbar.AppBarLayout
android:layout_width="match_parent"
android:layout_height="wrap_content">
<androidx.appcompat.widget.Toolbar
android:id="#+id/toolbar"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
android:background="?attr/colorPrimary" />
</com.google.android.material.appbar.AppBarLayout>
<ScrollView
android:layout_width="match_parent"
android:layout_height="match_parent">
<androidx.constraintlayout.widget.ConstraintLayout
android:layout_width="match_parent"
android:layout_height="wrap_content">
<TextView
android:id="#+id/gender"
android:layout_width="96dp"
android:layout_height="49dp"
android:layout_gravity="center"
android:paddingTop="30dp"
android:text="GENDER"
android:textAlignment="center"
android:textAppearance="?android:attr/textAppearanceMedium"
android:textColor="#android:color/holo_red_dark"
android:textStyle="bold|italic"
android:typeface="serif"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.295"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="0.102" />
<TextView
android:id="#+id/tv4"
android:layout_width="96dp"
android:layout_height="49dp"
android:layout_gravity="center"
android:layout_marginTop="116dp"
android:paddingTop="30dp"
android:text="HEIGHT"
android:textAlignment="center"
android:textAppearance="?android:attr/textAppearanceMedium"
android:textColor="#android:color/holo_red_dark"
android:textStyle="bold|italic"
android:typeface="serif"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.295"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent" />
<org.angmarch.views.NiceSpinner
android:id="#+id/weight_spinner"
android:layout_width="148dp"
android:layout_height="52dp"
android:layout_marginBottom="12dp"
app:layout_constraintBottom_toTopOf="#+id/weight_et"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.222"
app:layout_constraintStart_toEndOf="#+id/tv3" />
<EditText
android:id="#+id/weight_et"
android:layout_width="139dp"
android:layout_height="38dp"
android:layout_gravity="center"
android:layout_marginTop="28dp"
android:ems="10"
android:fadingEdgeLength="10dp"
android:hint="Enter Weight"
android:inputType="numberDecimal"
android:textAlignment="center"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.283"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/tv3" />
<TextView
android:id="#+id/tv3"
android:layout_width="107dp"
android:layout_height="55dp"
android:layout_gravity="center"
android:paddingTop="30dp"
android:text="WEIGHT"
android:textAlignment="center"
android:textAppearance="?android:attr/textAppearanceMedium"
android:textColor="#android:color/holo_red_dark"
android:textStyle="bold|italic"
android:typeface="serif"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.305"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/height_et" />
<Button
android:id="#+id/ib1"
android:layout_width="158dp"
android:layout_height="51dp"
android:layout_gravity="center"
android:layout_marginTop="28dp"
android:background="#android:color/holo_blue_dark"
android:capitalize="words"
android:fadingEdge="vertical"
android:longClickable="true"
android:text="Calculate"
android:textColor="#android:color/holo_green_light"
android:textStyle="bold|italic"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.498"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/weight_et" />
<org.angmarch.views.NiceSpinner
android:id="#+id/height_spinner"
android:layout_width="148dp"
android:layout_height="54dp"
android:layout_marginBottom="16dp"
app:layout_constraintBottom_toTopOf="#+id/height_et"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.148"
app:layout_constraintStart_toEndOf="#+id/tv4" />
<EditText
android:id="#+id/height_et"
android:layout_width="137dp"
android:layout_height="43dp"
android:layout_gravity="center"
android:layout_marginTop="32dp"
android:ems="10"
android:hint="Enter Height"
android:inputType="numberDecimal"
android:textAlignment="center"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.281"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/tv4"/>
<TextView
android:id="#+id/result_tv"
android:layout_width="200dp"
android:layout_height="66dp"
android:layout_gravity="center"
android:paddingTop="20dp"
android:text="Result"
android:textAlignment="center"
android:textColor="#android:color/holo_orange_dark"
android:textSize="20dp"
android:textStyle="bold"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.027"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/ib1"
app:layout_constraintVertical_bias="1.0" />
<EditText
android:id="#+id/ft_in_et"
android:layout_width="158dp"
android:layout_height="44dp"
android:layout_marginBottom="20dp"
android:ems="10"
android:hint="lb"
android:inputType="numberDecimal"
android:textAlignment="center"
android:enabled="false"
app:layout_constraintBottom_toTopOf="#+id/weight_spinner"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.27"
app:layout_constraintStart_toEndOf="#+id/height_et" />
<EditText
android:id="#+id/st_lb_et"
android:layout_width="149dp"
android:layout_height="41dp"
android:ems="10"
android:hint="lb"
android:inputType="numberDecimal"
android:textAlignment="center"
app:layout_constraintTop_toBottomOf="#+id/weight_spinner"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.076"
app:layout_constraintStart_toEndOf="#+id/weight_et" />
<TextView
android:id="#+id/ideal_weight"
android:layout_width="171dp"
android:layout_height="64dp"
android:gravity="center"
android:text=""
android:textAlignment="center"
android:textSize="20dp"
android:textStyle="bold"
app:layout_constraintBottom_toTopOf="#+id/adView"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.982"
app:layout_constraintStart_toStartOf="#+id/result_tv" />
<org.angmarch.views.NiceSpinner
android:id="#+id/gender_spinner"
android:layout_width="187dp"
android:layout_height="50dp"
app:layout_constraintBottom_toTopOf="#+id/tv4"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.982"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="1.0" />
<com.google.android.gms.ads.AdView
android:id="#+id/adView"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:layout_centerHorizontal="true"
app:adSize="BANNER"
app:adUnitId="ca-app-pub-3940256099942544/6300978111"
app:layout_constraintTop_toBottomOf="#+id/result_tv"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent" />
</androidx.constraintlayout.widget.ConstraintLayout>
</ScrollView>
<com.google.android.material.floatingactionbutton.FloatingActionButton
android:id="#+id/fab"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="bottom|end"
android:layout_margin="16dp"
app:backgroundTint="#009688"
app:srcCompat="#android:drawable/ic_menu_search" />
</androidx.coordinatorlayout.widget.CoordinatorLayout>
Output:

Hi please add fillViewport as true in scrollview.
<ScrollView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:fillViewport="true"/>

We Keep Coding

Java is a programming language and computing platform first released by Sun Microsystems in 1995.

AAPT: error: not well-formed (invalid token) - java

The second-to-last line of your file has </> which causes your XML file to be not well-formed. Change it to </androidx.constraintlayout.widget.ConstraintLayout> to properly close a previous opening tag of the same name.

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