SystemUI 下拉通知栏快捷键加载流程

1.下拉通知栏简介

　　　

2.源码位置

SystemUIService.java

frameworks/base/packages/SystemUI/src/com/android/systemui/SystemUIService.java

SystemUIApplication.java

frameworks/base/packages/SystemUI/src/com/android/systemui/SystemUIApplication.java

SystemBars.java

frameworks/base/packages/SystemUI/src/com/android/systemui/statusbar/SystemBars.java

config_statusBarComponent

frameworks/base/packages/SystemUI/res/values/config.xml

ServiceMonitor.java

frameworks/base/packages/SystemUI/src/com/android/systemui/statusbar/ServiceMonitor.java

PhoneStatusBar.java

frameworks/base/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java

BaseStatusBar.java

frameworks/base/packages/SystemUI/src/com/android/systemui/statusbar/BaseStatusBar.java

PhoneStatusBarView.java

frameworks/base/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBarView.java

super_status_bar.xml

frameworks/base/packages/SystemUI/res/layout/super_status_bar.xml

status_bar.xml

frameworks/base/packages/SystemUI/res/layout/status_bar.xml

system_icons.xml

frameworks/base/packages/SystemUI/res/layout/system_icons.xml

signal_cluster_view.xml

frameworks/base/packages/SystemUI/res/layout/signal_cluster_view.xml

3. Status Bar启动流程