<?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.homelink.testtoolbar7.MainActivity">

    <android.support.v7.widget.Toolbar

        style="style/toolbarStyle"

        android:id="@+id/my_toolbar"

        xmlns:android="http://schemas.android.com/apk/res/android"

        android:layout_width="match_parent"

        android:layout_height="wrap_content"

        android:background="?attr/colorPrimary"

        android:minHeight="?attr/actionBarSize">

        <ImageView

            android:id="@+id/bluetoothState"

            android:layout_width="wrap_content"

            android:layout_height="wrap_content"

            android:src="@drawable/fm_detailitem_walk"

            android:contentDescription="content_description_bluetooth_status"

            android:padding="8dp"

            android:layout_marginRight="10dp"

            android:layout_gravity="right"/>

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

    <TextView

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:text="Hello World!"

        app:layout_constraintBottom_toBottomOf="parent"

        app:layout_constraintLeft_toLeftOf="parent"

        app:layout_constraintRight_toRightOf="parent"

        app:layout_constraintTop_toTopOf="parent" />

</android.support.constraint.ConstraintLayout>