res/drawable/ic_incall_video_handle.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
  ~ Copyright (C) 2014 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
  -->

<!-- Touch handle for the GlowPadView widget on the incoming call screen -->
<selector xmlns:android="http://schemas.android.com/apk/res/android">

    <!-- Video call icon on tinted floating action bar background. -->
    <item
        android:state_enabled="true"
        android:state_active="false"
        android:state_focused="false">
        <layer-list>
            <item>
                <bitmap
                    android:src="@drawable/fab_blue"
                    android:tint="@color/glowpad_incoming_widget_background_tint" />
            </item>
            <item>
                <bitmap
                    android:gravity="center"
                    android:src="@drawable/ic_videocam"
                    android:tint="@color/glowpad_incoming_widget_tint" />
            </item>
        </layer-list>
    </item>

</selector>