android 系统主界面底部工具栏上的图标显示与修改

其他 2019-05-09 10:30:52 阅读次数: 0
版权声明：本文为博主原创文章，未经博主允许不得转载。 https://blog.csdn.net/weicaihui2008/article/details/50605999

Android 主界面底部工具栏上的图标

主界面底部工具栏上的图标显示，从左至右的图标一般依次显示是为：back、home、窗口切换

  1. 显示音量图标：（从左至右的图标依次为：vol-、back、home、窗口切换、vol+）

     在prop里面将ro.statusbar.volume设置为true

  2. 显示截图图标：（从左至右的图标依次为：截图、vol-、back、home、窗口切换、vol+）

  3. 调整循序：（从左至右的图标依次为：back、home、窗口切换、vol-、vol+、截图、）

    frameworks\base\packages\SystemUI\res\layout\navigation_bar.xml：
    调整前代码如下：

<?xml version="1.0" encoding="utf-8"?>
<!--
/* apps/common/assets/default/default/skins/StatusBar.xml
**
** 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.
*/
-->

<com.android.systemui.statusbar.phone.NavigationBarView
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:systemui="http://schemas.android.com/apk/res-auto"
    android:layout_height="match_parent"
    android:layout_width="match_parent"
    android:background="@drawable/system_bar_background"
    >

    <FrameLayout android:id="@+id/rot0"
        android:layout_height="match_parent"
        android:layout_width="match_parent"
        >

        <LinearLayout
            android:layout_height="match_parent"
            android:layout_width="match_parent"
            android:orientation="horizontal"
            android:clipChildren="false"
            android:clipToPadding="false"
            android:id="@+id/nav_buttons"
            android:animateLayoutChanges="true"
            >

            <!-- navigation controls -->
            <!--View
                android:layout_width="40dp"
                android:layout_height="match_parent"
                android:layout_weight="0"
                android:visibility="invisible"
                /-->
            <!--$_rbox_$_modify_$_huangjc_begin-->
               <com.android.systemui.statusbar.policy.KeyButtonView android:id="@+id/hide_bar"
               android:layout_width="30dp"
                android:layout_height="match_parent"
                android:src="@drawable/ic_sysbar_hide"
                android:layout_weight="0"
                android:contentDescription="@string/accessibility_recent"
                />
               <!--$_rbox_$_modify_$_huangjc_end-->
            <com.android.systemui.statusbar.policy.KeyButtonView android:id="@+id/screenshot"
                android:layout_width="80dp"
                android:layout_height="match_parent"
                android:src="@drawable/capture"
                android:layout_marginRight="0dp"
                android:layout_marginStart="2dp"
                   android:layout_weight="0"
                android:visibility="invisible"
                   android:contentDescription="@string/accessibility_recent"
             />
            <Space 
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:layout_weight="1"
                />
            <com.android.systemui.statusbar.policy.KeyButtonView
                android:id="@+id/sub"
                android:layout_width="120dp"
                android:layout_height="match_parent"
                android:layout_weight="0"
                android:contentDescription="@string/accessibility_recent"
                android:paddingLeft="0dp"
                android:paddingRight="0dp"
                android:src="@drawable/sub_normal"
                android:visibility="invisible"
                systemui:keyCode="25"
                />
            <com.android.systemui.statusbar.policy.KeyButtonView android:id="@+id/back"
                android:layout_width="120dp"
                android:layout_height="match_parent"
                android:paddingStart="20dp" 
                android:paddingEnd="20dp"
                android:src="@drawable/ic_sysbar_back"
                android:scaleType="centerInside"
                systemui:keyCode="4"
                android:layout_weight="0"
                android:contentDescription="@string/accessibility_back"
                />
            <!--View 
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:layout_weight="1"
                android:visibility="invisible"
                /-->
            <com.android.systemui.statusbar.policy.KeyButtonView android:id="@+id/home"
                android:layout_width="120dp"
                android:layout_height="match_parent"
                android:paddingStart="20dp" 
                android:paddingEnd="20dp"
                android:src="@drawable/ic_sysbar_home"
                android:scaleType="centerInside"
                systemui:keyCode="3"
                systemui:keyRepeat="false"
                android:layout_weight="0"
                android:contentDescription="@string/accessibility_home"
                />
            <!--View 
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:layout_weight="1"
                android:visibility="invisible"
                /-->
            <com.android.systemui.statusbar.policy.KeyButtonView android:id="@+id/recent_apps"
                android:layout_width="120dp"
                android:layout_height="match_parent"
                android:paddingStart="20dp" 
                android:paddingEnd="20dp"
                android:src="@drawable/ic_sysbar_recent"
                android:scaleType="centerInside"
                android:layout_weight="0"
                android:contentDescription="@string/accessibility_recent"
                />
             <com.android.systemui.statusbar.policy.KeyButtonView
                android:id="@+id/add"
                android:layout_width="120dp"
                android:layout_height="match_parent"
                android:layout_weight="0"
                android:contentDescription="@string/accessibility_recent"
                android:paddingLeft="0dp"
                android:paddingRight="0dp"
                android:src="@drawable/add_normal"
                android:visibility="invisible"
                systemui:keyCode="24"
                />
            <Space 
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:layout_weight="1"
                />
            <FrameLayout
                android:layout_width="82dp"
                android:layout_height="match_parent"
                android:layout_weight="0" >
                <com.android.systemui.statusbar.policy.KeyButtonView
                    android:id="@+id/menu"
                    android:layout_width="80dp"
                    android:layout_height="match_parent"
                    android:layout_marginEnd="2dp"
                    android:contentDescription="@string/accessibility_menu"
                    android:src="@drawable/ic_sysbar_menu"
                android:scaleType="centerInside"
                    android:visibility="invisible"
                    systemui:keyCode="82" />

                <com.android.systemui.statusbar.policy.KeyButtonView
                    android:id="@+id/ime_switcher"
                    android:layout_width="@dimen/navigation_extra_key_width"
                    android:layout_height="match_parent"
                    android:contentDescription="@string/accessibility_ime_switch_button"
                    android:scaleType="centerInside"
                    android:src="@drawable/ic_ime_switcher_default"
                    android:visibility="invisible" />
            </FrameLayout>
            <View
                android:layout_width="30dp"
                android:layout_height="match_parent"
                android:layout_weight="0"
                android:visibility="invisible"
                />
        </LinearLayout>

        <!-- lights out layout to match exactly -->
        <LinearLayout
            android:layout_height="match_parent"
            android:layout_width="match_parent"
            android:orientation="horizontal"
            android:id="@+id/lights_out"
            android:visibility="gone"
            >
            <ImageView
                android:layout_width="80dp"
                android:layout_height="match_parent"
                android:layout_marginStart="40dp"
                android:src="@drawable/ic_sysbar_lights_out_dot_small"
                android:scaleType="center"
                android:layout_weight="0"
                />
            <View 
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:layout_weight="1"
                android:visibility="invisible"
                />
            <ImageView
                android:layout_width="80dp"
                android:layout_height="match_parent"
                android:src="@drawable/ic_sysbar_lights_out_dot_large"
                android:scaleType="center"
                android:layout_weight="0"
                />
            <View 
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:layout_weight="1"
                android:visibility="invisible"
                />
            <ImageView
                android:layout_width="80dp"
                android:layout_marginEnd="40dp"
                android:layout_height="match_parent"
                android:src="@drawable/ic_sysbar_lights_out_dot_small"
                android:scaleType="center"
                android:layout_weight="0"
                />
        </LinearLayout>

        <com.android.systemui.statusbar.policy.DeadZone
            android:id="@+id/deadzone"
            android:layout_height="match_parent"
            android:layout_width="match_parent"
            systemui:minSize="@dimen/navigation_bar_deadzone_size"
            systemui:maxSize="@dimen/navigation_bar_deadzone_size_max"
            systemui:holdTime="@integer/navigation_bar_deadzone_hold"
            systemui:decayTime="@integer/navigation_bar_deadzone_decay"
            systemui:orientation="horizontal"
            android:layout_gravity="top"
            />
    </FrameLayout>

    <FrameLayout android:id="@+id/rot90"
        android:layout_height="match_parent"
        android:layout_width="match_parent"
        android:visibility="gone"
        android:paddingTop="0dp"
        >

        <LinearLayout 
            android:layout_height="match_parent"
            android:layout_width="match_parent"
            android:orientation="horizontal"
            android:clipChildren="false"
            android:clipToPadding="false"
            android:id="@+id/nav_buttons"
            android:animateLayoutChanges="true"
            >

         <!-- navigation controls -->
            <!--View
                android:layout_width="30dp"
                android:layout_height="match_parent"
                android:layout_weight="0"
                android:layout_marginStart="2dp"
                android:visibility="invisible"
                /-->
             <!--$_rbox_$_modify_$_huangjc_begin-->
               <com.android.systemui.statusbar.policy.KeyButtonView android:id="@+id/hide_bar"
               android:layout_width="0dp"
                android:layout_height="0dp"
                android:src="@drawable/ic_sysbar_hide"
                android:layout_weight="0"
                android:contentDescription="@string/accessibility_recent"
                />
               <!--$_rbox_$_modify_$_huangjc_end-->
             <com.android.systemui.statusbar.policy.KeyButtonView android:id="@+id/screenshot"
                android:layout_width="60dp"
                android:layout_height="match_parent"
                android:src="@drawable/capture"
                android:layout_marginRight="0dp"
                android:layout_marginStart="2dp"
                android:layout_weight="0"
                android:visibility="invisible"
                android:contentDescription="@string/accessibility_recent"
             />
            <Space 
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:layout_weight="1"
                />
            <com.android.systemui.statusbar.policy.KeyButtonView
                android:id="@+id/sub"
                android:layout_width="84dp"
                android:layout_height="match_parent"
                android:layout_weight="0"
                android:contentDescription="@string/accessibility_recent"
                android:paddingLeft="0dp"
                android:paddingRight="0dp"
                android:src="@drawable/sub_normal"
                android:visibility="invisible"
                systemui:keyCode="25"
                />
            <com.android.systemui.statusbar.policy.KeyButtonView android:id="@+id/back"
                android:layout_width="92dp" android:paddingStart="12dp" android:paddingEnd="12dp"
                android:layout_height="match_parent"
                android:src="@drawable/ic_sysbar_back"
                android:scaleType="centerInside"
                systemui:keyCode="4"
                android:layout_weight="0"
                android:contentDescription="@string/accessibility_back"
                />
            <com.android.systemui.statusbar.policy.KeyButtonView android:id="@+id/home"
                android:layout_width="92dp" android:paddingStart="12dp" android:paddingEnd="12dp"
                android:layout_height="match_parent"
                android:src="@drawable/ic_sysbar_home"
                android:scaleType="centerInside"
                systemui:keyCode="3"
                systemui:keyRepeat="true"
                android:layout_weight="0"
                android:contentDescription="@string/accessibility_home"
                />
            <com.android.systemui.statusbar.policy.KeyButtonView android:id="@+id/recent_apps"
                android:layout_width="92dp" android:paddingStart="12dp" android:paddingEnd="12dp"
                android:layout_height="match_parent"
                android:src="@drawable/ic_sysbar_recent"
                android:scaleType="centerInside"
                android:layout_weight="0"
                android:contentDescription="@string/accessibility_recent"
                />
            <com.android.systemui.statusbar.policy.KeyButtonView
                android:id="@+id/add"
                android:layout_width="84dp"
                android:layout_height="match_parent"
                android:layout_weight="0"
                android:contentDescription="@string/accessibility_recent"
                android:paddingLeft="0dp"
                android:paddingRight="0dp"
                android:src="@drawable/add_normal"
                android:visibility="invisible"
                systemui:keyCode="24"
                />
            <Space 
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:layout_weight="1"
                />
            <FrameLayout
                android:layout_width="60dp"
                android:layout_height="match_parent"
                android:layout_marginEnd="2dp"
                android:layout_weight="0" >
                <com.android.systemui.statusbar.policy.KeyButtonView android:id="@+id/menu"
                    android:layout_width="@dimen/navigation_extra_key_width"
                    android:layout_height="match_parent"
                    android:layout_marginEnd="2dp"
                    android:src="@drawable/ic_sysbar_menu"
                android:scaleType="centerInside"
                    systemui:keyCode="82"
                    android:visibility="invisible"
                    android:contentDescription="@string/accessibility_menu" />
                <com.android.systemui.statusbar.policy.KeyButtonView
                    android:id="@+id/ime_switcher"
                    android:layout_width="@dimen/navigation_extra_key_width"
                    android:layout_height="match_parent"
                    android:layout_marginEnd="2dp"
                    android:src="@drawable/ic_ime_switcher_default"
                    android:visibility="invisible"
                    android:contentDescription="@string/accessibility_ime_switch_button"
                    android:scaleType="centerInside" />
            </FrameLayout>
        </LinearLayout>

        <!-- lights out layout to match exactly -->
        <LinearLayout 
            android:layout_height="match_parent"
            android:layout_width="match_parent"
            android:orientation="vertical"
            android:id="@+id/lights_out"
            android:visibility="gone"
            >
            <ImageView
                android:layout_height="80dp"
                android:layout_marginTop="40dp"
                android:layout_width="match_parent"
                android:src="@drawable/ic_sysbar_lights_out_dot_small"
                android:scaleType="center"
                android:layout_weight="0"
                />
            <View 
                android:layout_height="match_parent"
                android:layout_width="match_parent"
                android:layout_weight="1"
                android:visibility="invisible"
                />
            <ImageView
                android:layout_height="80dp"
                android:layout_width="match_parent"
                android:src="@drawable/ic_sysbar_lights_out_dot_large"
                android:scaleType="center"
                android:layout_weight="0"
                />
            <View 
                android:layout_height="match_parent"
                android:layout_width="match_parent"
                android:layout_weight="1"
                android:visibility="invisible"
                />
            <ImageView
                android:layout_height="80dp"
                android:layout_marginBottom="40dp"
                android:layout_width="match_parent"
                android:src="@drawable/ic_sysbar_lights_out_dot_small"
                android:scaleType="center"
                android:layout_weight="0"
                />
        </LinearLayout>

        <com.android.systemui.statusbar.policy.DeadZone
            android:id="@+id/deadzone"
            android:layout_height="match_parent"
            android:layout_width="match_parent"
            systemui:minSize="@dimen/navigation_bar_deadzone_size"
            systemui:maxSize="@dimen/navigation_bar_deadzone_size_max"
            systemui:holdTime="@integer/navigation_bar_deadzone_hold"
            systemui:decayTime="@integer/navigation_bar_deadzone_decay"
            systemui:orientation="vertical"
            android:layout_gravity="top"
            />
    </FrameLayout>

</com.android.systemui.statusbar.phone.NavigationBarView>

调整前代码如下：

<?xml version="1.0" encoding="utf-8"?>
<!--
/* apps/common/assets/default/default/skins/StatusBar.xml
**
** 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.
*/
-->

<com.android.systemui.statusbar.phone.NavigationBarView
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:systemui="http://schemas.android.com/apk/res-auto"
    android:layout_height="match_parent"
    android:layout_width="match_parent"
    android:background="@drawable/system_bar_background"
    >

    <FrameLayout android:id="@+id/rot0"
        android:layout_height="match_parent"
        android:layout_width="match_parent"
        >

        <LinearLayout
            android:layout_height="match_parent"
            android:layout_width="match_parent"
            android:orientation="horizontal"
            android:clipChildren="false"
            android:clipToPadding="false"
            android:id="@+id/nav_buttons"
            android:animateLayoutChanges="true"
            >

            <!-- navigation controls -->
            <!--View
                android:layout_width="40dp"
                android:layout_height="match_parent"
                android:layout_weight="0"
                android:visibility="invisible"
                /-->
            <!--$_rbox_$_modify_$_huangjc_begin-->
               <com.android.systemui.statusbar.policy.KeyButtonView android:id="@+id/hide_bar"
               android:layout_width="30dp"
                android:layout_height="match_parent"
                android:src="@drawable/ic_sysbar_hide"
                android:layout_weight="0"
                android:contentDescription="@string/accessibility_recent"
                />
            <Space 
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:layout_weight="1"
                />
            <com.android.systemui.statusbar.policy.KeyButtonView android:id="@+id/back"
                android:layout_width="120dp"
                android:layout_height="match_parent"
                android:paddingStart="20dp" 
                android:paddingEnd="20dp"
                android:src="@drawable/ic_sysbar_back"
                android:scaleType="centerInside"
                systemui:keyCode="4"
                android:layout_weight="0"
                android:contentDescription="@string/accessibility_back"
                />
            <!--View 
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:layout_weight="1"
                android:visibility="invisible"
                /-->
            <com.android.systemui.statusbar.policy.KeyButtonView android:id="@+id/home"
                android:layout_width="120dp"
                android:layout_height="match_parent"
                android:paddingStart="20dp" 
                android:paddingEnd="20dp"
                android:src="@drawable/ic_sysbar_home"
                android:scaleType="centerInside"
                systemui:keyCode="3"
                systemui:keyRepeat="false"
                android:layout_weight="0"
                android:contentDescription="@string/accessibility_home"
                />
            <!--View 
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:layout_weight="1"
                android:visibility="invisible"
                /-->
            <com.android.systemui.statusbar.policy.KeyButtonView android:id="@+id/recent_apps"
                android:layout_width="120dp"
                android:layout_height="match_parent"
                android:paddingStart="20dp" 
                android:paddingEnd="20dp"
                android:src="@drawable/ic_sysbar_recent"
                android:scaleType="centerInside"
                android:layout_weight="0"
                android:contentDescription="@string/accessibility_recent"
                />
            <com.android.systemui.statusbar.policy.KeyButtonView
                android:id="@+id/sub"
                android:layout_width="120dp"
                android:layout_height="match_parent"
                android:layout_weight="0"
                android:contentDescription="@string/accessibility_recent"
                android:paddingLeft="0dp"
                android:paddingRight="0dp"
                android:src="@drawable/sub_normal"
                android:visibility="invisible"
                systemui:keyCode="25"
                />
            <com.android.systemui.statusbar.policy.KeyButtonView
                android:id="@+id/add"
                android:layout_width="120dp"
                android:layout_height="match_parent"
                android:layout_weight="0"
                android:contentDescription="@string/accessibility_recent"
                android:paddingLeft="0dp"
                android:paddingRight="0dp"
                android:src="@drawable/add_normal"
                android:visibility="invisible"
                systemui:keyCode="24"
                />
             <!--$_rbox_$_modify_$_huangjc_end-->
            <com.android.systemui.statusbar.policy.KeyButtonView android:id="@+id/screenshot"
                android:layout_width="80dp"
                android:layout_height="match_parent"
                android:src="@drawable/capture"
                android:layout_marginRight="0dp"
                android:layout_marginStart="2dp"
                   android:layout_weight="0"
                android:visibility="invisible"
                   android:contentDescription="@string/accessibility_recent"
             />
            <Space 
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:layout_weight="1"
                />
            <FrameLayout
                android:layout_width="82dp"
                android:layout_height="match_parent"
                android:layout_weight="0" >
                <com.android.systemui.statusbar.policy.KeyButtonView
                    android:id="@+id/menu"
                    android:layout_width="80dp"
                    android:layout_height="match_parent"
                    android:layout_marginEnd="2dp"
                    android:contentDescription="@string/accessibility_menu"
                    android:src="@drawable/ic_sysbar_menu"
                android:scaleType="centerInside"
                    android:visibility="invisible"
                    systemui:keyCode="82" />

                <com.android.systemui.statusbar.policy.KeyButtonView
                    android:id="@+id/ime_switcher"
                    android:layout_width="@dimen/navigation_extra_key_width"
                    android:layout_height="match_parent"
                    android:contentDescription="@string/accessibility_ime_switch_button"
                    android:scaleType="centerInside"
                    android:src="@drawable/ic_ime_switcher_default"
                    android:visibility="invisible" />
            </FrameLayout>
            <View
                android:layout_width="30dp"
                android:layout_height="match_parent"
                android:layout_weight="0"
                android:visibility="invisible"
                />
        </LinearLayout>

        <!-- lights out layout to match exactly -->
        <LinearLayout
            android:layout_height="match_parent"
            android:layout_width="match_parent"
            android:orientation="horizontal"
            android:id="@+id/lights_out"
            android:visibility="gone"
            >
            <ImageView
                android:layout_width="80dp"
                android:layout_height="match_parent"
                android:layout_marginStart="40dp"
                android:src="@drawable/ic_sysbar_lights_out_dot_small"
                android:scaleType="center"
                android:layout_weight="0"
                />
            <View 
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:layout_weight="1"
                android:visibility="invisible"
                />
            <ImageView
                android:layout_width="80dp"
                android:layout_height="match_parent"
                android:src="@drawable/ic_sysbar_lights_out_dot_large"
                android:scaleType="center"
                android:layout_weight="0"
                />
            <View 
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:layout_weight="1"
                android:visibility="invisible"
                />
            <ImageView
                android:layout_width="80dp"
                android:layout_marginEnd="40dp"
                android:layout_height="match_parent"
                android:src="@drawable/ic_sysbar_lights_out_dot_small"
                android:scaleType="center"
                android:layout_weight="0"
                />
        </LinearLayout>

        <com.android.systemui.statusbar.policy.DeadZone
            android:id="@+id/deadzone"
            android:layout_height="match_parent"
            android:layout_width="match_parent"
            systemui:minSize="@dimen/navigation_bar_deadzone_size"
            systemui:maxSize="@dimen/navigation_bar_deadzone_size_max"
            systemui:holdTime="@integer/navigation_bar_deadzone_hold"
            systemui:decayTime="@integer/navigation_bar_deadzone_decay"
            systemui:orientation="horizontal"
            android:layout_gravity="top"
            />
    </FrameLayout>

    <FrameLayout android:id="@+id/rot90"
        android:layout_height="match_parent"
        android:layout_width="match_parent"
        android:visibility="gone"
        android:paddingTop="0dp"
        >

        <LinearLayout 
            android:layout_height="match_parent"
            android:layout_width="match_parent"
            android:orientation="horizontal"
            android:clipChildren="false"
            android:clipToPadding="false"
            android:id="@+id/nav_buttons"
            android:animateLayoutChanges="true"
            >

         <!-- navigation controls -->
            <!--View
                android:layout_width="30dp"
                android:layout_height="match_parent"
                android:layout_weight="0"
                android:layout_marginStart="2dp"
                android:visibility="invisible"
                /-->
             <!--$_rbox_$_modify_$_huangjc_begin-->
               <com.android.systemui.statusbar.policy.KeyButtonView android:id="@+id/hide_bar"
               android:layout_width="0dp"
                android:layout_height="0dp"
                android:src="@drawable/ic_sysbar_hide"
                android:layout_weight="0"
                android:contentDescription="@string/accessibility_recent"
                />
            <Space 
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:layout_weight="1"
                />
            <com.android.systemui.statusbar.policy.KeyButtonView android:id="@+id/back"
                android:layout_width="92dp" android:paddingStart="12dp" android:paddingEnd="12dp"
                android:layout_height="match_parent"
                android:src="@drawable/ic_sysbar_back"
                android:scaleType="centerInside"
                systemui:keyCode="4"
                android:layout_weight="0"
                android:contentDescription="@string/accessibility_back"
                />
            <com.android.systemui.statusbar.policy.KeyButtonView android:id="@+id/home"
                android:layout_width="92dp" android:paddingStart="12dp" android:paddingEnd="12dp"
                android:layout_height="match_parent"
                android:src="@drawable/ic_sysbar_home"
                android:scaleType="centerInside"
                systemui:keyCode="3"
                systemui:keyRepeat="true"
                android:layout_weight="0"
                android:contentDescription="@string/accessibility_home"
                />
            <com.android.systemui.statusbar.policy.KeyButtonView android:id="@+id/recent_apps"
                android:layout_width="92dp" android:paddingStart="12dp" android:paddingEnd="12dp"
                android:layout_height="match_parent"
                android:src="@drawable/ic_sysbar_recent"
                android:scaleType="centerInside"
                android:layout_weight="0"
                android:contentDescription="@string/accessibility_recent"
                />
        <com.android.systemui.statusbar.policy.KeyButtonView
                android:id="@+id/sub"
                android:layout_width="84dp"
                android:layout_height="match_parent"
                android:layout_weight="0"
                android:contentDescription="@string/accessibility_recent"
                android:paddingLeft="0dp"
                android:paddingRight="0dp"
                android:src="@drawable/sub_normal"
                android:visibility="invisible"
                systemui:keyCode="25"
                />
            <com.android.systemui.statusbar.policy.KeyButtonView
                android:id="@+id/add"
                android:layout_width="84dp"
                android:layout_height="match_parent"
                android:layout_weight="0"
                android:contentDescription="@string/accessibility_recent"
                android:paddingLeft="0dp"
                android:paddingRight="0dp"
                android:src="@drawable/add_normal"
                android:visibility="invisible"
                systemui:keyCode="24"
                />
         <!--$_rbox_$_modify_$_huangjc_end-->
             <com.android.systemui.statusbar.policy.KeyButtonView android:id="@+id/screenshot"
                android:layout_width="60dp"
                android:layout_height="match_parent"
                android:src="@drawable/capture"
                android:layout_marginRight="0dp"
                android:layout_marginStart="2dp"
                android:layout_weight="0"
                android:visibility="invisible"
                android:contentDescription="@string/accessibility_recent"
             />
            <Space 
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:layout_weight="1"
                />
            <FrameLayout
                android:layout_width="60dp"
                android:layout_height="match_parent"
                android:layout_marginEnd="2dp"
                android:layout_weight="0" >
                <com.android.systemui.statusbar.policy.KeyButtonView android:id="@+id/menu"
                    android:layout_width="@dimen/navigation_extra_key_width"
                    android:layout_height="match_parent"
                    android:layout_marginEnd="2dp"
                    android:src="@drawable/ic_sysbar_menu"
                android:scaleType="centerInside"
                    systemui:keyCode="82"
                    android:visibility="invisible"
                    android:contentDescription="@string/accessibility_menu" />
                <com.android.systemui.statusbar.policy.KeyButtonView
                    android:id="@+id/ime_switcher"
                    android:layout_width="@dimen/navigation_extra_key_width"
                    android:layout_height="match_parent"
                    android:layout_marginEnd="2dp"
                    android:src="@drawable/ic_ime_switcher_default"
                    android:visibility="invisible"
                    android:contentDescription="@string/accessibility_ime_switch_button"
                    android:scaleType="centerInside" />
            </FrameLayout>
        </LinearLayout>

        <!-- lights out layout to match exactly -->
        <LinearLayout 
            android:layout_height="match_parent"
            android:layout_width="match_parent"
            android:orientation="vertical"
            android:id="@+id/lights_out"
            android:visibility="gone"
            >
            <ImageView
                android:layout_height="80dp"
                android:layout_marginTop="40dp"
                android:layout_width="match_parent"
                android:src="@drawable/ic_sysbar_lights_out_dot_small"
                android:scaleType="center"
                android:layout_weight="0"
                />
            <View 
                android:layout_height="match_parent"
                android:layout_width="match_parent"
                android:layout_weight="1"
                android:visibility="invisible"
                />
            <ImageView
                android:layout_height="80dp"
                android:layout_width="match_parent"
                android:src="@drawable/ic_sysbar_lights_out_dot_large"
                android:scaleType="center"
                android:layout_weight="0"
                />
            <View 
                android:layout_height="match_parent"
                android:layout_width="match_parent"
                android:layout_weight="1"
                android:visibility="invisible"
                />
            <ImageView
                android:layout_height="80dp"
                android:layout_marginBottom="40dp"
                android:layout_width="match_parent"
                android:src="@drawable/ic_sysbar_lights_out_dot_small"
                android:scaleType="center"
                android:layout_weight="0"
                />
        </LinearLayout>

        <com.android.systemui.statusbar.policy.DeadZone
            android:id="@+id/deadzone"
            android:layout_height="match_parent"
            android:layout_width="match_parent"
            systemui:minSize="@dimen/navigation_bar_deadzone_size"
            systemui:maxSize="@dimen/navigation_bar_deadzone_size_max"
            systemui:holdTime="@integer/navigation_bar_deadzone_hold"
            systemui:decayTime="@integer/navigation_bar_deadzone_decay"
            systemui:orientation="vertical"
            android:layout_gravity="top"
            />
    </FrameLayout>

</com.android.systemui.statusbar.phone.NavigationBarView>

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