main_res_layout_activity_status.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"
    tools:context="com.example.harsh.freechat.StatusActivity">

    <include
        android:id="@+id/status_appBar"
        layout="@layout/app_bar_layout"
        android:layout_width="match_parent"
        android:layout_height="wrap_content" />


    <android.support.design.widget.TextInputLayout
        android:id="@+id/status_input"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_alignParentStart="true"
        android:layout_below="@+id/status_appBar"
        android:layout_marginEnd="20dp"
        android:layout_marginStart="20dp"
        android:layout_marginTop="100dp"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/status_appBar">

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

    <TextView
        android:id="@+id/textView4"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginBottom="8dp"
        android:layout_marginStart="20dp"
        android:layout_marginTop="49dp"
        android:text="Enter your Status"
        android:textColor="@android:color/black"
        android:textSize="25sp"
        android:textStyle="bold"
        app:layout_constraintBottom_toTopOf="@+id/status_input"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/status_appBar" />

    <Button
        android:id="@+id/update_stat_btn"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginBottom="252dp"
        android:layout_marginEnd="45dp"
        android:layout_marginTop="75dp"
        android:background="@color/colorAccent"
        android:text="Update"
        android:textColor="@android:color/white"
        android:textSize="18sp"
        android:textStyle="bold"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/status_input" />

</android.support.constraint.ConstraintLayout>