<?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:id="@+id/topicDetailHeader"
    android:layout_width="match_parent"
    android:layout_height="wrap_content">

    <android.support.constraint.ConstraintLayout
        android:id="@+id/topicInfo"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:background="#ffffff"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent">

        <android.support.constraint.ConstraintLayout
            android:id="@+id/topicTitle"
            android:layout_width="0dp"
            android:layout_height="90dp"
            app:layout_constraintLeft_toLeftOf="parent"
            app:layout_constraintRight_toRightOf="parent"
            app:layout_constraintTop_toTopOf="parent">

            <ImageView
                android:id="@+id/headImage"
                android:layout_width="71dp"
                android:layout_height="60dp"
                android:layout_marginStart="15dp"
                android:layout_marginTop="15dp"
                app:layout_constraintStart_toStartOf="parent"
                app:layout_constraintTop_toTopOf="parent"
                tools:srcCompat="@tools:sample/avatars" />

            <TextView
                android:id="@+id/name"
                android:layout_width="0dp"
                android:layout_height="0dp"
                android:layout_marginStart="5dp"
                android:layout_marginTop="5dp"
                android:layout_marginEnd="15dp"
                android:layout_marginBottom="5dp"
                android:gravity="center_vertical"
                android:maxLines="2"
                android:textColor="#222222"
                android:textSize="17sp"
                android:textStyle="bold"
                app:layout_constraintBottom_toBottomOf="@+id/headImage"
                app:layout_constraintEnd_toEndOf="parent"
                app:layout_constraintStart_toEndOf="@+id/headImage"
                app:layout_constraintTop_toTopOf="@+id/headImage"
                tools:text="#车主说车#" />

        </android.support.constraint.ConstraintLayout>


        <TextView
            android:id="@+id/desc"
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:layout_marginStart="15dp"
            android:layout_marginEnd="15dp"
            android:textColor="#555555"
            android:textSize="15sp"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toBottomOf="@+id/topicTitle"
            tools:text="电动小汽车,炫13.98万元起,魅15.98万元起" />

        <android.support.constraint.ConstraintLayout
            android:layout_width="0dp"
            android:layout_height="48dp"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintLeft_toLeftOf="parent"
            app:layout_constraintRight_toRightOf="parent"
            app:layout_constraintTop_toBottomOf="@+id/desc">

            <TextView
                android:id="@+id/readLabel"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginLeft="15dp"
                android:text="阅读"
                android:textColor="#555555"
                android:textSize="12sp"
                app:layout_constraintBottom_toBottomOf="parent"
                app:layout_constraintLeft_toLeftOf="parent"
                app:layout_constraintTop_toTopOf="parent" />

            <TextView
                android:id="@+id/read"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginStart="5dp"
                android:textColor="#555555"
                android:gravity="center_vertical"
                android:textSize="12sp"
                app:layout_constraintBottom_toBottomOf="@+id/readLabel"
                app:layout_constraintLeft_toRightOf="@+id/readLabel"
                app:layout_constraintTop_toTopOf="@+id/readLabel"
                tools:text="8" />

            <TextView
                android:id="@+id/joinLabel"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginStart="30dp"
                android:gravity="center_vertical"
                android:text="参与"
                android:textColor="#555555"
                android:textSize="12sp"
                app:layout_constraintBottom_toBottomOf="@+id/read"
                app:layout_constraintStart_toEndOf="@+id/read"
                app:layout_constraintTop_toTopOf="@+id/read" />

            <TextView
                android:id="@+id/join"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginStart="5dp"
                android:gravity="center_vertical"
                android:textColor="#555555"
                android:textSize="12sp"
                app:layout_constraintBottom_toBottomOf="@+id/joinLabel"
                app:layout_constraintStart_toEndOf="@+id/joinLabel"
                app:layout_constraintTop_toTopOf="@+id/joinLabel"
                tools:text="32" />

        </android.support.constraint.ConstraintLayout>
    </android.support.constraint.ConstraintLayout>

    <android.support.constraint.ConstraintLayout
        android:layout_width="0dp"
        android:layout_height="50dp"
        android:background="#ffffff"
        android:orientation="horizontal"
        android:layout_marginTop="10dp"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/topicInfo">

        <android.support.constraint.ConstraintLayout
            android:id="@+id/sortConstrainLayout"
            android:layout_width="wrap_content"
            android:layout_height="0dp"
            android:paddingLeft="15dp"
            android:paddingRight="15dp"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toTopOf="parent">

            <TextView
                android:id="@+id/sortTextView"
                android:layout_width="wrap_content"
                android:layout_height="match_parent"
                android:layout_weight="1"
                android:gravity="center_vertical"
                android:text="最新发布"
                android:textColor="#02B637"
                android:textSize="12sp"
                app:layout_constraintBottom_toBottomOf="parent"
                app:layout_constraintStart_toStartOf="parent"
                app:layout_constraintTop_toTopOf="parent" />

            <ImageView
                android:id="@+id/sortCursor"
                android:layout_width="16dp"
                android:layout_height="16dp"
                android:rotation="180"
                android:src="@drawable/app_topic_detaic_popup_icon"
                app:layout_constraintBottom_toBottomOf="parent"
                app:layout_constraintLeft_toRightOf="@+id/sortTextView"
                app:layout_constraintTop_toTopOf="parent" />
        </android.support.constraint.ConstraintLayout>
    </android.support.constraint.ConstraintLayout>
</android.support.constraint.ConstraintLayout>