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:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:background="?attr/contrast_background_color">

    <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="fitCenter"
            android:src="@drawable/channel_banner"
            tools:ignore="ContentDescription" />

        <FrameLayout
            android:id="@+id/avatars_layout"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginLeft="8dp"
            android:layout_marginTop="50dp">

            <com.google.android.material.imageview.ShapeableImageView
                android:id="@+id/channel_avatar_view"
                android:layout_width="@dimen/channel_avatar_size"
                android:layout_height="@dimen/channel_avatar_size"
                android:padding="1dp"
                android:src="@drawable/buddy"
                app:shapeAppearance="@style/CircularImageView"
                app:strokeColor="#ffffff"
                app:strokeWidth="2dp" />

            <com.google.android.material.imageview.ShapeableImageView
                android:id="@+id/sub_channel_avatar_view"
                android:layout_width="@dimen/sub_channel_avatar_size"
                android:layout_height="@dimen/sub_channel_avatar_size"
                android:layout_gravity="bottom|right"
                android:padding="1dp"
                android:src="@drawable/buddy"
                android:visibility="gone"
                app:shapeAppearance="@style/CircularImageView"
                app:strokeColor="#ffffff"
                app:strokeWidth="2dp"
                tools:ignore="RtlHardcoded"
                tools:visibility="visible" />
        </FrameLayout>

        <org.schabi.newpipe.views.NewPipeTextView
            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_marginTop="6dp"
            android:layout_marginRight="8dp"
            android:layout_toLeftOf="@id/channel_subscribe_button"
            android:layout_toRightOf="@id/avatars_layout"
            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" />

        <org.schabi.newpipe.views.NewPipeTextView
            android:id="@+id/sub_channel_title_view"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_below="@id/channel_title_view"
            android:layout_alignLeft="@id/channel_title_view"
            android:layout_alignRight="@id/channel_title_view"
            android:ellipsize="end"
            android:gravity="center|left"
            android:lines="1"
            android:textAppearance="?android:attr/textAppearanceLarge"
            android:textSize="12dp"
            tools:ignore="RtlHardcoded"
            tools:layout_below="@id/channel_title_view"
            tools:text="Lorem ipsum dolor" />

        <org.schabi.newpipe.views.NewPipeTextView
            android:id="@+id/channel_subscriber_view"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_below="@id/sub_channel_title_view"
            android:layout_alignLeft="@id/channel_title_view"
            android:layout_alignRight="@id/channel_title_view"
            android:ellipsize="end"
            android:maxLines="2"
            android:textSize="@dimen/channel_subscribers_text_size"
            android:visibility="gone"
            tools:ignore="RtlHardcoded"
            tools:text="123,141,411 subscribers"
            tools:visibility="visible" />

        <androidx.appcompat.widget.AppCompatButton
            android:id="@+id/channel_subscribe_button"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_below="@+id/channel_banner_image"
            android:layout_alignParentRight="true"
            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/ServiceColoredButton"
            android:visibility="gone"
            tools:ignore="RtlHardcoded"
            tools:visibility="visible" />
    </RelativeLayout>

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_below="@id/channel_metadata">

        <include
            android:id="@+id/playlist_control"
            layout="@layout/playlist_control" />

    </LinearLayout>

</RelativeLayout>