content_main.xml

<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.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"
    android:background="@color/colorPrimary"
    app:layout_behavior="@string/appbar_scrolling_view_behavior"
    tools:context=".MainActivity"
    tools:showIn="@layout/activity_main">

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginBottom="8dp"
        android:layout_marginTop="32dp"
        android:text="My Account"
        android:textColor="@android:color/white"
        android:textSize="24sp"
        app:layout_constraintBottom_toTopOf="@+id/relativeLayout"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginBottom="8dp"
        android:layout_marginEnd="8dp"
        android:layout_marginStart="8dp"
        android:layout_marginTop="8dp"
        android:text="No Account ? Sign Up"
        android:textColor="@android:color/white"
        android:textSize="14sp"
        android:textStyle="bold"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/relativeLayout"
        app:layout_constraintVertical_bias="0.90999997" />


    <RelativeLayout
        android:id="@+id/relativeLayout"
        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">

        <android.support.v7.widget.CardView
            android:id="@+id/cardView"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_below="@id/accountImage"
            android:layout_marginBottom="8dp"
            android:layout_marginEnd="48dp"
            android:layout_marginStart="48dp"
            android:layout_marginTop="-50dp"
            app:cardCornerRadius="8dp"
            app:cardElevation="10dp">

            <LinearLayout
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:orientation="vertical">

                <android.support.design.widget.TextInputLayout
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:layout_marginBottom="15dp"
                    android:layout_marginEnd="25dp"
                    android:layout_marginLeft="25dp"
                    android:layout_marginRight="25dp"
                    android:layout_marginStart="25dp"
                    android:layout_marginTop="25dp">

                    <android.support.design.widget.TextInputEditText
                        android:layout_width="match_parent"
                        android:layout_height="match_parent"
                        android:hint="Login" />
                </android.support.design.widget.TextInputLayout>

                <android.support.design.widget.TextInputLayout
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:layout_marginBottom="25dp"
                    android:layout_marginEnd="25dp"
                    android:layout_marginStart="25dp"
                    android:layout_marginTop="15dp"
                    app:passwordToggleEnabled="true">

                    <android.support.design.widget.TextInputEditText
                        android:layout_width="match_parent"
                        android:layout_height="match_parent"
                        android:hint="Password"
                        android:inputType="textPassword" />
                </android.support.design.widget.TextInputLayout>

                <TextView
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:gravity="end"
                    android:padding="10dp"
                    android:text="Forgot password ?" />

                <Button
                    style="@style/Base.Widget.AppCompat.Button.Colored"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:layout_margin="25dp"
                    android:elevation="15dp"
                    android:text="Sign In"
                    android:textAllCaps="false" />

            </LinearLayout>

        </android.support.v7.widget.CardView>

        <ImageView
            android:id="@+id/accountImage"
            android:layout_width="100dp"
            android:layout_height="100dp"
            android:layout_centerHorizontal="true"
            android:elevation="10dp"
            android:src="@drawable/ic_user_icon"
            app:layout_constraintTop_toTopOf="parent" />


    </RelativeLayout>


</android.support.constraint.ConstraintLayout>