NewPipe/app/src/main/res/layout/channel_header.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
    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/channel_header_layout"
    android:layout_width="match_parent"
    android:layout_height="wrap_content">

    <RelativeLayout
        android:id="@+id/channel_metadata"
        android:layout_width="match_parent"
        android:layout_height="wrap_content">

        <ImageView
            android:id="@+id/channel_banner_image"
            android:layout_width="match_parent"
            android:layout_height="70dp"
            android:background="@android:color/black"
            android:fitsSystemWindows="true"
            android:scaleType="centerCrop"
            android:src="@drawable/channel_banner"
            tools:ignore="ContentDescription"/>

        <de.hdodenhof.circleimageview.CircleImageView
            android:id="@+id/channel_avatar_view"
            android:layout_width="@dimen/channel_avatar_size"
            android:layout_height="@dimen/channel_avatar_size"
            android:layout_alignTop="@id/channel_banner_image"
            android:layout_marginLeft="8dp"
            android:layout_marginTop="50dp"
            android:src="@drawable/buddy"
            app:civ_border_color="#ffffff"
            app:civ_border_width="2dp"
            tools:ignore="RtlHardcoded"/>

        <TextView
            android:id="@+id/channel_title_view"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_below="@id/channel_banner_image"
            android:layout_marginLeft="8dp"
            android:layout_marginRight="8dp"
            android:layout_marginTop="6dp"
            android:layout_toLeftOf="@+id/channel_subscribe_button"
            android:layout_toRightOf="@+id/channel_avatar_view"
            android:ellipsize="end"
            android:lines="1"
            android:textAppearance="?android:attr/textAppearanceLarge"
            android:textSize="@dimen/video_item_detail_title_text_size"
            tools:ignore="RtlHardcoded"
            tools:text="Lorem ipsum dolor"/>

        <TextView
            android:id="@+id/channel_subscriber_view"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_alignLeft="@+id/channel_title_view"
            android:layout_alignRight="@+id/channel_title_view"
            android:layout_below="@+id/channel_title_view"
            android:ellipsize="end"
            android:gravity="left|center"
            android:lines="1"
            android:textSize="@dimen/channel_subscribers_text_size"
            android:visibility="gone"
            tools:ignore="RtlHardcoded"
            tools:text="123,141,411 subscribers"
            tools:visibility="visible"/>

        <android.support.v7.widget.AppCompatButton
            android:id="@+id/channel_subscribe_button"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_alignParentRight="true"
            android:layout_below="@+id/channel_banner_image"
            android:layout_gravity="center_vertical|right"
            android:layout_marginRight="2dp"
            android:text="@string/subscribe_button_title"
            android:textSize="@dimen/channel_rss_title_size"
            android:theme="@style/RedButton"
            android:visibility="gone"
            tools:ignore="RtlHardcoded"
            tools:visibility="visible"/>
    </RelativeLayout>

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="25dp"
        android:id="@+id/play_control"
        android:layout_margin="@dimen/software_component_item_padding"
        android:layout_below="@+id/channel_metadata">

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:layout_weight="1"
            android:gravity="center"
            android:clickable="true"
            android:focusable="true"
            android:background="?attr/selectableItemBackground"
            android:id="@+id/channel_play_bg_button">
            <TextView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:gravity="center_vertical"
                android:text="@string/controls_background_title"
                android:textSize="@dimen/channel_rss_title_size"
                android:textColor="?attr/colorAccent"
                android:drawablePadding="4dp"
                android:drawableLeft="?attr/audio"
                android:drawableStart="?attr/audio"/>
        </LinearLayout>

        <View android:id="@+id/anchorLeft"
            android:layout_width="1dp"
            android:layout_height="match_parent"
            android:paddingTop="3dp"
            android:paddingBottom="3dp"
            android:clickable="false"
            android:background="?attr/colorAccent"/>

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:layout_weight="1"
            android:gravity="center"
            android:clickable="true"
            android:focusable="true"
            android:background="?attr/selectableItemBackground"
            android:id="@+id/channel_play_all_button">
            <TextView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:gravity="center_vertical"
                android:text="@string/play_all"
                android:textSize="@dimen/channel_rss_title_size"
                android:textColor="?attr/colorAccent"/>
        </LinearLayout>

        <View android:id="@+id/anchorRight"
            android:layout_width="1dp"
            android:layout_height="match_parent"
            android:paddingTop="3dp"
            android:paddingBottom="3dp"
            android:clickable="false"
            android:background="?attr/colorAccent"/>

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:layout_weight="1"
            android:gravity="center"
            android:clickable="true"
            android:focusable="true"
            android:background="?attr/selectableItemBackground"
            android:id="@+id/channel_play_popup_button">
            <TextView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:gravity="center_vertical"
                android:text="@string/controls_popup_title"
                android:textSize="@dimen/channel_rss_title_size"
                android:textColor="?attr/colorAccent"
                android:drawablePadding="4dp"
                android:drawableLeft="?attr/popup"
                android:drawableStart="?attr/popup"/>
        </LinearLayout>
    </LinearLayout>

</RelativeLayout>