Android P SystemUI之super_status_bar.xml解析

清疚 2021-10-14 18:47 286阅读 0赞

### super\_status\_bar.xml ###

源码：\\frameworks\\base\\packages\\SystemUI\\res\\layout\\super\_status\_bar.xml

<com.android.systemui.statusbar.phone.StatusBarWindowView
        xmlns:android="http://schemas.android.com/apk/res/android"
        xmlns:sysui="http://schemas.android.com/apk/res-auto"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:fitsSystemWindows="true">
    
        <com.android.systemui.statusbar.BackDropView
                android:id="@+id/backdrop"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:visibility="gone"
                sysui:ignoreRightInset="true"
                >
            <ImageView android:id="@+id/backdrop_back"
                       android:layout_width="match_parent"
                       android:scaleType="centerCrop"
                       android:layout_height="match_parent" />
            <ImageView android:id="@+id/backdrop_front"
                       android:layout_width="match_parent"
                       android:layout_height="match_parent"
                       android:scaleType="centerCrop"
                       android:visibility="invisible" />
        </com.android.systemui.statusbar.BackDropView>
    
        <com.android.systemui.statusbar.ScrimView
            android:id="@+id/scrim_behind"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:importantForAccessibility="no"
            sysui:ignoreRightInset="true"
            />
    
        <FrameLayout
            android:id="@+id/status_bar_container"
            android:layout_width="match_parent"
            android:layout_height="wrap_content" />
    
        <ViewStub android:id="@+id/fullscreen_user_switcher_stub"
                  android:layout="@layout/car_fullscreen_user_switcher"
                  android:layout_width="match_parent"
                  android:layout_height="match_parent"/>
    
        <include layout="@layout/status_bar_expanded"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:visibility="invisible" />
    
        <include layout="@layout/brightness_mirror" />
    
        <com.android.systemui.statusbar.ScrimView
            android:id="@+id/scrim_in_front"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:importantForAccessibility="no"
            sysui:ignoreRightInset="true"
            />
    </com.android.systemui.statusbar.phone.StatusBarWindowView>

super\_status\_bar组成结构：  
1、com.android.systemui.statusbar.BackDropView，显示媒体作品的视图，只在锁屏界面显示。  
2、com.android.systemui.statusbar.ScrimView，id = scrim\_behind，状态栏下拉的背景  
3、status\_bar\_container，状态栏布局  
4、ViewStub，id=fullscreen\_user\_switcher\_stub,多用户选择界面  
5、status\_bar\_expanded，下拉通知栏布局  
6、brightness\_mirror，亮度调节UI  
7、com.android.systemui.statusbar.ScrimView，id = scrim\_in\_front，状态栏下拉的背景

我们主要看status\_bar\_container，状态栏UI布局。