Androck-front/app/src/main/res/layout/fragment_login.xml

<?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">

    <ProgressBar
        android:id="@+id/loading"
        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" />

    <androidx.constraintlayout.widget.Guideline
        android:id="@+id/guideline_top"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:orientation="horizontal"
        app:layout_constraintGuide_percent="0.19" />

    <androidx.constraintlayout.widget.Guideline
        android:id="@+id/guideline_bottom"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:orientation="horizontal"
        app:layout_constraintGuide_percent="0.8" />

    <androidx.constraintlayout.widget.Guideline
        android:id="@+id/guideline_mid"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:orientation="horizontal"
        app:layout_constraintGuide_percent="0.45" />


    <TextView
        android:id="@+id/textView"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:gravity="center"
        android:text="@string/welcomeText"
        android:textColor="@color/black"
        android:textSize="24sp"
        android:textStyle="bold"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="@+id/guideline_top" />

    <TextView
        android:id="@+id/textView2"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:gravity="center"
        android:text="@string/inputLoginText"
        android:textColor="@color/black"
        android:textSize="18sp"
        android:textStyle="bold"
        app:layout_constraintBottom_toTopOf="@+id/textView3"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent" />

    <TextView
        android:id="@+id/textView3"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginBottom="30dp"
        android:gravity="center"
        android:text="@string/welcomeDescriptionLoginText"
        android:textColor="@color/black"
        android:textSize="15sp"
        app:layout_constraintBottom_toTopOf="@+id/username"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent" />

    <View
        android:id="@+id/field_view"
        android:layout_width="320dp"
        android:layout_height="40dp"
        android:background="@drawable/button_grestroke_whiteback"
        app:layout_constraintBottom_toTopOf="@+id/guideline_mid"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent" />

    <EditText
        android:id="@+id/username"
        style="@style/NoUnderLineEditText"
        android:layout_width="320dp"
        android:layout_height="wrap_content"
        android:autofillHints=""
        android:hint="@string/loginText"
        android:inputType="text"
        android:padding="12dp"
        app:layout_constraintBottom_toBottomOf="@+id/field_view"
        app:layout_constraintStart_toStartOf="@+id/field_view"
        app:layout_constraintTop_toTopOf="@+id/field_view" />

    <View
        android:id="@+id/field_view2"
        android:layout_width="320dp"
        android:layout_height="40dp"
        android:layout_marginTop="10dp"
        android:background="@drawable/button_grestroke_whiteback"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="@+id/guideline_mid" />

    <EditText
        android:id="@+id/password"
        style="@style/NoUnderLineEditText"
        android:layout_width="320dp"
        android:layout_height="wrap_content"
        android:autofillHints=""
        android:hint="@string/passwordText"
        android:inputType="textPassword"
        android:padding="12dp"
        app:layout_constraintBottom_toBottomOf="@+id/field_view2"
        app:layout_constraintStart_toStartOf="@+id/field_view2"
        app:layout_constraintTop_toTopOf="@+id/field_view2" />


    <Button
        android:id="@+id/login"
        android:layout_width="320dp"
        android:layout_height="50dp"
        android:layout_marginTop="40dp"
        android:enabled="false"
        android:text="@string/continueText"
        android:textAllCaps="false"
        android:textColor="@color/white"
        android:textSize="18sp"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/line" />

    <View
        android:id="@+id/ic_building_bottom"
        android:layout_width="wrap_content"
        android:layout_height="120dp"
        android:background="@drawable/ic_building"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent" />

    <View
        android:id="@+id/line"
        android:layout_width="320dp"
        android:layout_height="10dp"
        android:layout_marginTop="15dp"
        android:background="@drawable/ic_line"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/field_view2" />

    <TextView
        android:id="@+id/error"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="5dp"
        android:gravity="center"
        android:text="@string/loginError"
        android:textSize="14sp"
        android:visibility="gone"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/field_view2" />

</androidx.constraintlayout.widget.ConstraintLayout>