<?xml version="1.0" encoding="utf-8"?>
<LinearLayout 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"
    android:orientation="vertical">

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_margin="20dp"
        android:orientation="vertical">

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:background="@color/grey_background"
            android:orientation="vertical">

            <TextView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_gravity="center_horizontal"
                android:layout_margin="10dp"
                android:text="Enter MPIN"
                android:textSize="18dp"
                android:textStyle="bold" />

            <LinearLayout
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_gravity="center_horizontal"
                android:orientation="horizontal">

                <ImageView
                    android:id="@+id/imageview_circle1"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_margin="6dp"
                    android:src="@drawable/circle" />

                <ImageView
                    android:id="@+id/imageview_circle2"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_margin="6dp"
                    android:src="@drawable/circle" />

                <ImageView
                    android:id="@+id/imageview_circle3"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_margin="6dp"
                    android:src="@drawable/circle" />

                <ImageView
                    android:id="@+id/imageview_circle4"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_margin="6dp"
                    android:src="@drawable/circle" />
            </LinearLayout>
        </LinearLayout>

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:background="@color/grey_dark_background"
            android:orientation="vertical">

            <EditText
                android:id="@+id/editText_enter_mpin"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:inputType="number"
                android:maxLength="4"
                android:visibility="visible"></EditText>
        </LinearLayout>
    </LinearLayout>
</LinearLayout>