<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.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">
    <EditText
            android:layout_width="355dp"
            android:layout_height="43dp"
            android:inputType="textPersonName"
            android:ems="10"
            android:id="@+id/txtName"
            app:layout_constraintEnd_toEndOf="parent"
            android:layout_marginEnd="24dp" android:layout_marginRight="24dp"
            app:layout_constraintStart_toStartOf="parent" android:layout_marginLeft="24dp"
            android:layout_marginStart="24dp" app:layout_constraintTop_toTopOf="parent"
            android:layout_marginTop="36dp" android:autofillHints="" android:hint="@string/main_name"
            tools:targetApi="o"/>
    <EditText
            android:layout_width="355dp"
            android:layout_height="43dp"
            android:inputType="textPersonName"
            android:ems="10"
            android:id="@+id/txtSurname"
            app:layout_constraintEnd_toEndOf="parent"
            android:layout_marginEnd="24dp" android:layout_marginRight="24dp"
            app:layout_constraintStart_toStartOf="parent" android:layout_marginLeft="24dp"
            android:layout_marginStart="24dp" app:layout_constraintTop_toBottomOf="@+id/txtName"
            android:layout_marginTop="20dp" android:importantForAutofill="no"
            android:hint="@string/main_surname"/>
    <EditText
            android:layout_width="355dp"
            android:layout_height="43dp"
            android:ems="10"
            android:id="@+id/txtMarks"
            app:layout_constraintStart_toStartOf="parent"
            android:layout_marginLeft="24dp" android:layout_marginStart="24dp"
            app:layout_constraintEnd_toEndOf="parent"
            android:layout_marginRight="24dp" android:layout_marginEnd="24dp"
            app:layout_constraintTop_toBottomOf="@+id/txtSurname" android:layout_marginTop="20dp"
            android:inputType="text" android:importantForAutofill="no" android:hint="@string/main_marks"/>
    <Button
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:id="@+id/btnAdd"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toBottomOf="@+id/txtId"
            android:hint="@string/main_btn_add_data"
            android:layout_marginLeft="28dp" android:layout_marginStart="28dp" android:layout_marginTop="28dp"
            app:layout_constraintBottom_toTopOf="@+id/btnUpdate" app:layout_constraintVertical_bias="0.0"
            app:layout_constraintEnd_toEndOf="parent" app:layout_constraintHorizontal_bias="0.0"/>
    <androidx.constraintlayout.widget.Group android:layout_width="wrap_content" android:layout_height="wrap_content"
                                            android:id="@+id/group"/>
    <androidx.constraintlayout.widget.Group android:layout_width="wrap_content" android:layout_height="wrap_content"
                                            android:id="@+id/group2"/>
    <Button
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:id="@+id/btnViewAll" app:layout_constraintStart_toEndOf="@+id/btnAdd"
            android:hint="@string/main_btn_view_all"
            app:layout_constraintEnd_toEndOf="parent" app:layout_constraintHorizontal_bias="0.106"
            app:layout_constraintTop_toBottomOf="@+id/txtId"
            android:layout_marginTop="28dp"/>
    <EditText
            android:layout_width="355dp"
            android:layout_height="43dp"
            android:inputType="textPersonName"
            android:ems="10"
            android:id="@+id/txtId" app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintStart_toStartOf="parent" app:layout_constraintTop_toBottomOf="@+id/txtMarks"
            android:layout_marginTop="20dp" app:layout_constraintHorizontal_bias="0.497"
            android:hint="@string/main_id" android:importantForAutofill="no"/>
    <Button
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:id="@+id/btnUpdate" app:layout_constraintStart_toStartOf="parent" android:layout_marginLeft="28dp"
            android:layout_marginStart="28dp"
            android:hint="@string/main_btn_update"
            app:layout_constraintTop_toBottomOf="@+id/btnViewAll" android:layout_marginTop="20dp"
            app:layout_constraintBottom_toBottomOf="parent" app:layout_constraintVertical_bias="0.006"/>
    <Button
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:id="@+id/btnDelete"
            app:layout_constraintTop_toBottomOf="@+id/btnViewAll" android:layout_marginTop="20dp"
            app:layout_constraintStart_toEndOf="@+id/btnUpdate" android:layout_marginLeft="20dp"
            android:layout_marginStart="20dp" app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintHorizontal_bias="0.01" app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintVertical_bias="0.006" android:hint="@string/main_btn_delete"/>
</androidx.constraintlayout.widget.ConstraintLayout>