packages/SystemUI/res/layout/mobile_signal_group.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
**
** Copyright 2011, 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.
*/
-->
<LinearLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:systemui="http://schemas.android.com/apk/res-auto"
    android:id="@+id/mobile_combo"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:orientation="horizontal"
    >
    <FrameLayout
        android:layout_height="17dp"
        android:layout_width="wrap_content">
        <ImageView
            android:id="@+id/mobile_in"
            android:layout_height="wrap_content"
            android:layout_width="wrap_content"
            android:src="@drawable/ic_activity_down"
            android:visibility="gone"
            android:paddingEnd="2dp"
            />
        <ImageView
            android:id="@+id/mobile_out"
            android:layout_height="wrap_content"
            android:layout_width="wrap_content"
            android:src="@drawable/ic_activity_up"
            android:paddingEnd="2dp"
            android:visibility="gone"
            />
    </FrameLayout>
    <FrameLayout
        android:layout_width="wrap_content"
        android:layout_height="wrap_content">
        <com.android.systemui.statusbar.AnimatedImageView
            android:theme="@style/DualToneLightTheme"
            android:id="@+id/mobile_signal"
            android:layout_height="wrap_content"
            android:layout_width="wrap_content"
            systemui:hasOverlappingRendering="false"
            />
        <com.android.systemui.statusbar.AnimatedImageView
            android:theme="@style/DualToneDarkTheme"
            android:id="@+id/mobile_signal_dark"
            android:layout_height="wrap_content"
            android:layout_width="wrap_content"
            android:alpha="0.0"
            systemui:hasOverlappingRendering="false"
            />
        <ImageView
            android:id="@+id/mobile_type"
            android:layout_height="wrap_content"
            android:layout_width="wrap_content"
            />
        <ImageView
            android:id="@+id/mobile_roaming"
            android:layout_width="wrap_content"
            android:layout_height="17dp"
            android:paddingStart="22dp"
            android:paddingTop="1.5dp"
            android:paddingBottom="3dp"
            android:scaleType="fitCenter"
            android:src="@drawable/stat_sys_roaming"
            android:contentDescription="@string/accessibility_data_connection_roaming"
            android:visibility="gone" />
    </FrameLayout>
</LinearLayout>