hpos/app/src/main/res/layout/activity_kit_scan.xml

<?xml version="1.0" encoding="utf-8"?>
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  ~ // the property of ShanMukha Innovations Pvt. Ltd. and its suppliers,
  ~ // if any. The intellectual and technical concepts contained
  ~ // herein are proprietary to ShanMukha Innovations Pvt. Ltd.
  ~ // and its suppliers and may be covered by Indian and Foreign Patents,
  ~ // patents in process, and are protected by trade secret or copyright law.
  ~ // Dissemination of this information or reproduction of this material
  ~ // is strictly forbidden unless prior written permission is obtained
  ~ // from ShanMukha Innovations Pvt. Ltd.
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<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"
    >

    <com.google.android.material.appbar.AppBarLayout
        android:id="@+id/app_bar_layout"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        app:layout_constraintTop_toTopOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        android:theme="@style/Theme.HPOS.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/Theme.HPOS.PopupOverlay" />

    </com.google.android.material.appbar.AppBarLayout>

    <TextView
        android:id="@+id/tv_title"
        style="@style/title1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginHorizontal="24dp"
        android:layout_marginTop="16dp"
        android:text="@string/scan_qr_code_of_the_kit"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@id/app_bar_layout" />

    <com.google.android.material.button.MaterialButton
        android:id="@+id/btn_scan_now"
        android:layout_width="258dp"
        android:layout_height="56dp"
        android:layout_margin="24dp"
        android:drawableLeft="@drawable/baseline_qr_code_scanner_24"
        android:text="@string/scan_now"
        android:textColor="@color/black"
        app:backgroundTint="@color/blue_app_light"
        app:cornerRadius="100dp"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/tv_title" />


    <RelativeLayout
        android:id="@+id/seperator1"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_centerVertical="true"
        android:layout_marginHorizontal="24dp"
        android:layout_marginTop="48dp"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@id/btn_scan_now">

        <TextView
            android:id="@+id/tvText1"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_centerInParent="true"
            android:layout_marginLeft="10dp"
            android:layout_marginRight="10dp"
            android:text="@string/or"
            android:textColor="@color/gray" />

        <View
            android:layout_width="match_parent"
            android:layout_height="1dp"
            android:layout_centerVertical="true"
            android:layout_marginLeft="16dp"
            android:layout_toLeftOf="@id/tvText1"
            android:background="@color/gray" />

        <View
            android:layout_width="match_parent"
            android:layout_height="1dp"
            android:layout_centerVertical="true"
            android:layout_marginRight="16dp"
            android:layout_toRightOf="@id/tvText1"
            android:background="@color/gray" />

    </RelativeLayout>


    <TextView
        android:id="@+id/tv_title2"
        style="@style/title1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginHorizontal="24dp"
        android:layout_marginTop="48dp"
        android:text="@string/enter_kit_serial_number_manually"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@id/seperator1" />


    <com.google.android.material.textfield.TextInputLayout
        android:id="@+id/et_abha_id"
        style="@style/Widget.MaterialComponents.TextInputLayout.OutlinedBox"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_marginStart="24dp"
        android:layout_marginTop="20dp"
        app:layout_constraintEnd_toStartOf="@id/btn_go"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@id/tv_title2">

        <com.google.android.material.textfield.TextInputEditText
            android:id="@+id/name_edit_text"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:maxLength="27"
            android:inputType="text"
            android:hint="@string/serial_number" />

    </com.google.android.material.textfield.TextInputLayout>

    <com.google.android.material.button.MaterialButton
        android:id="@+id/btn_go"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_margin="24dp"
        android:text="@string/go"
        app:cornerRadius="16dp"
        app:layout_constraintBottom_toBottomOf="@id/et_abha_id"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintHorizontal_bias="1.0"
        app:layout_constraintStart_toEndOf="@id/et_abha_id"
        app:layout_constraintTop_toTopOf="@id/et_abha_id" />

</androidx.constraintlayout.widget.ConstraintLayout>