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

<?xml version="1.0" encoding="utf-8"?>
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<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"
    android:fillViewport="true">

    <androidx.constraintlayout.widget.ConstraintLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        tools:context="com.example.hpostesting.presentation.main_base.PanelFragment">

    <TextView
        android:id="@+id/tv_subtitle4"
        style="@style/title1_1"
        android:layout_width="0dp"
        android:layout_height="50dp"
        android:layout_marginHorizontal="24dp"
        android:layout_marginTop="50dp"
        android:gravity="center"
        android:text="Login ID"
        android:textColor="@color/black"
        android:textSize="16sp"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />


    <Button
        android:id="@+id/btn_submit"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginHorizontal="16dp"
        android:layout_marginTop="24dp"
        android:clickable="false"
        android:text="@string/check_buffer"
        android:textColor="@color/white"
        app:cornerRadius="16dp"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@id/tv_subtitle4" />


        <Button
            android:id="@+id/btn_rnd"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_marginHorizontal="16dp"
            android:layout_marginTop="24dp"
            android:clickable="false"
            android:text="R and D"
            android:textColor="@color/white"
            app:cornerRadius="16dp"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toBottomOf="@id/btn_submit" />

        <Button
        android:id="@+id/btn_diagnostics"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginHorizontal="16dp"
        android:layout_marginTop="24dp"
        android:clickable="false"
        android:text="@string/diagnostics"
        android:textColor="@color/white"
        app:cornerRadius="16dp"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@id/btn_rnd" />

    <com.google.android.material.button.MaterialButton
        android:id="@+id/btn_auto_dac"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginHorizontal="16dp"
        android:layout_marginTop="24dp"
        android:clickable="false"
        android:text="@string/calibrate_device"
        android:textColor="@color/white"
        app:cornerRadius="16dp"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@id/btn_diagnostics" />

    <com.google.android.material.button.MaterialButton
        android:id="@+id/btn_calibration"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginHorizontal="16dp"
        android:layout_marginTop="24dp"
        android:clickable="false"
        android:text="@string/calibration"
        android:textColor="@color/white"
        app:cornerRadius="16dp"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@id/btn_auto_dac" />

        <com.google.android.material.button.MaterialButton
            android:id="@+id/btn_usb_terminal"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_marginHorizontal="16dp"
            android:layout_marginTop="24dp"
            android:clickable="false"
            android:text="@string/usb_terminal"
            android:textColor="@color/white"
            app:cornerRadius="16dp"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toBottomOf="@id/btn_calibration" />

        <com.google.android.material.button.MaterialButton
        android:id="@+id/btn_deviceInfo"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginHorizontal="16dp"
        android:layout_marginTop="24dp"
        android:clickable="false"
        android:text="@string/deviceinfo"
        android:textColor="@color/white"
        app:cornerRadius="16dp"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@id/btn_usb_terminal" />

        <com.google.android.material.button.MaterialButton
            android:id="@+id/btn_deviceProvision"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:visibility="visible"
            android:layout_marginHorizontal="16dp"
            android:layout_marginTop="24dp"
            android:clickable="false"
            android:text="@string/deviceProvision"
            android:textColor="@color/white"
            app:cornerRadius="16dp"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toBottomOf="@id/btn_deviceInfo" />

        <com.google.android.material.button.MaterialButton
            android:id="@+id/btn_reset_password"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_marginHorizontal="16dp"
            android:layout_marginTop="24dp"
            android:clickable="false"
            android:text="@string/reset_password_for_this_device"
            android:textColor="@color/white"
            app:cornerRadius="16dp"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toBottomOf="@id/btn_deviceProvision" />

        <com.google.android.material.button.MaterialButton
            android:id="@+id/btn_update_values"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_marginHorizontal="16dp"
            android:layout_marginTop="24dp"
            android:clickable="false"
            android:text="Update valueLs"
            android:textColor="@color/white"
            app:cornerRadius="16dp"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toBottomOf="@id/btn_reset_password" />

    <com.google.android.material.button.MaterialButton
        android:id="@+id/btn_firefox"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginHorizontal="16dp"
        android:layout_marginTop="24dp"
        android:clickable="false"
        android:text="@string/Firefox"
        android:textColor="@color/white"
        app:cornerRadius="16dp"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@id/btn_reset_password" />

    <com.google.android.material.button.MaterialButton
        android:id="@+id/btn_files"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginHorizontal="16dp"
        android:layout_marginTop="24dp"
        android:clickable="false"
        android:text="@string/Files"
        android:textColor="@color/white"
        app:cornerRadius="16dp"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@id/btn_firefox" />

</androidx.constraintlayout.widget.ConstraintLayout>
</ScrollView>