res/layout/program_guide_table_header_column_item.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
  ~ Copyright (C) 2015 The Android Open Source Project
  ~
  ~ Licensed under the Apache License, Version 2.0 (the "License");
  ~ you may not use this file except in compliance with the License.
  ~ You may obtain a copy of the License at
  ~
  ~      http://www.apache.org/licenses/LICENSE-2.0
  ~
  ~ Unless required by applicable law or agreed to in writing, software
  ~ distributed under the License is distributed on an "AS IS" BASIS,
  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  ~ See the License for the specific language governing permissions and
  ~ limitations under the License.
  -->

<!-- The background of header_column will be programmatically changed
     in order to support rounded corners. -->
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/header_column"
    android:layout_width="@dimen/program_guide_table_header_column_width"
    android:layout_height="match_parent"
    android:paddingStart="@dimen/program_guide_table_header_column_padding_start"
    android:paddingEnd="@dimen/program_guide_table_header_column_padding_end">

    <!-- The top margin is set to ensure input logo is in the same height as channel number.
         Center gravity doesn't work when the row is selected. -->
    <ImageView
        android:id="@+id/input_logo"
        android:layout_width="@dimen/program_guide_table_header_column_input_logo_width"
        android:layout_height="@dimen/program_guide_table_header_column_input_logo_height"
        android:layout_marginTop="@dimen/program_guide_table_header_column_input_logo_margin_top"
        android:scaleType="fitCenter"
        android:visibility="gone" />

    <TextView
        android:id="@+id/channel_number"
        android:layout_width="@dimen/program_guide_table_header_column_channel_number_width"
        android:layout_height="@dimen/program_guide_table_item_row_height"
        android:layout_marginStart="@dimen/program_guide_table_header_column_channel_number_margin_start"
        android:gravity="start|center_vertical"
        android:fontFamily="@string/light_font"
        android:textSize="@dimen/program_guide_table_header_column_channel_number_large_font_size"
        android:textColor="@color/program_guide_table_header_column_channel_number_text_color" />

    <TextView
        android:id="@+id/channel_name"
        android:layout_width="@dimen/program_guide_table_header_column_channel_name_width"
        android:layout_height="@dimen/program_guide_table_item_row_height"
        android:layout_marginStart="@dimen/program_guide_table_header_column_channel_name_margin_start"
        android:gravity="start|center_vertical"
        android:fontFamily="@string/condensed_font"
        android:textSize="@dimen/program_guide_table_header_column_channel_name_font_size"
        android:textColor="@color/program_guide_table_header_column_channel_name_text_color"
        android:lineSpacingExtra="3.5sp" />

    <ImageView
        android:id="@+id/channel_logo"
        android:layout_width="@dimen/program_guide_table_header_column_channel_logo_width"
        android:layout_height="@dimen/program_guide_table_header_column_channel_logo_height"
        android:layout_marginTop="@dimen/program_guide_table_header_column_channel_logo_margin_top"
        android:layout_marginStart="@dimen/program_guide_table_header_column_channel_name_margin_start"
        android:scaleType="fitStart"
        android:visibility="gone" />

    <ImageView
        android:id="@+id/channel_block"
        android:layout_width="@dimen/program_guide_table_header_column_channel_block_width"
        android:layout_height="@dimen/program_guide_table_header_column_channel_block_height"
        android:layout_marginTop="@dimen/program_guide_table_header_column_channel_block_margin_top"
        android:layout_marginStart="@dimen/program_guide_table_header_column_channel_name_margin_start"
        android:scaleType="center"
        android:src="@drawable/ic_guide_lock"
        android:alpha="@dimen/program_guide_table_header_column_channel_block_opacity"
        android:visibility="visible" />

</FrameLayout>