ComunicAndroid/app/src/main/res/layout/post_item.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"
    style="@style/PostContainer"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:orientation="vertical">

    <org.communiquons.android.comunic.client.ui.views.WebUserAccountImage
        android:id="@+id/user_account_image"
        android:layout_width="@dimen/account_image_default_width"
        android:layout_height="@dimen/account_image_default_height"
        android:contentDescription="@string/user_image_description"
        android:src="@drawable/default_account_image" />


    <!-- User name -->
    <TextView
        android:id="@+id/user_account_name"
        style="@style/PostOwnerName"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center"
        android:layout_marginStart="8dp"
        android:layout_marginTop="8dp"
        app:layout_constraintStart_toEndOf="@+id/user_account_image"
        app:layout_constraintTop_toTopOf="parent"
        tools:text="User name" />

    <ImageView
        android:id="@+id/target_arrow"
        style="@style/PostTargetArrow"
        android:layout_width="15dp"
        android:layout_height="13dp"
        android:scaleType="centerInside"
        app:layout_constraintBottom_toTopOf="@+id/post_creation_time"
        app:layout_constraintStart_toEndOf="@+id/user_account_name"
        app:layout_constraintTop_toTopOf="@+id/user_account_name"
        tools:ignore="ContentDescription" />

    <TextView
        android:id="@+id/target_page_name"
        style="@style/PostOwnerName"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        app:layout_constraintBottom_toBottomOf="@+id/target_arrow"
        app:layout_constraintStart_toEndOf="@+id/target_arrow"
        app:layout_constraintTop_toTopOf="@+id/target_arrow"
        tools:text="Target Page" />

    <!-- Post creation time -->
    <TextView
        android:id="@+id/post_creation_time"
        style="@style/PostDate"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        app:layout_constraintStart_toStartOf="@+id/user_account_name"
        app:layout_constraintTop_toBottomOf="@+id/user_account_name"
        tools:text="15 days ago" />


    <!-- Post visibility level -->
    <ImageView
        android:id="@+id/post_visibility"
        style="@style/PostVisibility"
        android:layout_width="wrap_content"
        android:layout_height="@dimen/post_options_btn_height"
        android:layout_gravity="top"
        android:contentDescription="@string/post_visibility_icon"
        android:src="@drawable/ic_public"
        android:tint="@color/darker_gray"
        app:layout_constraintEnd_toStartOf="@+id/post_actions_btn"
        app:layout_constraintTop_toTopOf="@+id/post_actions_btn"
        tools:text="Public" />

    <!-- Actions button -->
    <ImageView
        android:id="@+id/post_actions_btn"
        style="@style/PostActionsButton"
        android:layout_width="@dimen/post_options_btn_width"
        android:layout_height="@dimen/post_options_btn_height"
        android:layout_gravity="top"
        android:layout_marginEnd="8dp"
        android:layout_marginTop="8dp"
        android:contentDescription="@string/post_action_btn_description"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintTop_toTopOf="parent" />


    <!-- Additional views -->
    <FrameLayout
        android:id="@+id/additional_views"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginEnd="8dp"
        android:layout_marginStart="8dp"
        android:layout_marginTop="4dp"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/user_account_image"
        tools:layout_height="10dp" />

    <!-- Post content -->
    <org.communiquons.android.comunic.client.ui.views.ContentTextView
        android:id="@+id/post_content"
        style="@style/PostContent"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginEnd="8dp"
        android:layout_marginStart="8dp"
        android:layout_marginTop="4dp"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/additional_views"
        tools:text="Post content" />

    <!-- Like button -->
    <org.communiquons.android.comunic.client.ui.views.LikeButtonView
        android:id="@+id/like_button"
        style="@style/PostLikeButton"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginEnd="8dp"
        android:layout_marginStart="8dp"
        android:layout_marginTop="4dp"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/post_content" />

    <!-- Post comments -->
    <LinearLayout
        android:id="@+id/comments_list"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginEnd="8dp"
        android:layout_marginStart="8dp"
        android:orientation="vertical"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/like_button"
        tools:background="@color/holo_red_dark"
        tools:layout_height="30dp" />

    <!-- Comments form -->
    <LinearLayout
        android:id="@+id/create_comment_form"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginEnd="8dp"
        android:layout_marginStart="8dp"
        android:orientation="horizontal"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/comments_list">

        <!-- Comment hint -->
        <org.communiquons.android.comunic.client.ui.views.EditCommentContentView
            android:id="@+id/input_comment_content"
            style="@style/TextAppearance.AppCompat"
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:hint="@string/new_comment_hint"
            android:inputType="text" />

        <ImageView
            android:id="@+id/comment_send_button"
            android:layout_width="wrap_content"
            android:layout_height="match_parent"
            android:contentDescription="@string/action_send"
            android:src="@android:drawable/ic_menu_send" />

    </LinearLayout>


</android.support.constraint.ConstraintLayout>