连接过程
2015-11-24 14:22:06 1 举报
连接过程是一个将两个或多个设备、系统或网络通过通信协议建立联系的过程。这个过程通常包括识别目标设备、建立连接、验证身份和权限以及交换数据等步骤。在现代科技中,连接过程可以通过有线或无线方式进行,如以太网、Wi-Fi、蓝牙等。连接成功后,各设备可以共享资源、协同工作,实现更高效的信息处理和传输。然而,连接过程也可能面临安全风险,如黑客攻击、病毒感染等,因此需要采取相应的安全措施来保护数据和隐私。
作者其他创作
大纲/内容
ComposerService.cpp
//内部类-普通类mComposerService//surfaceFlinger 服务
IWindowManager
openSession
BufferQueue.cpp
//继承两个Bn
IGraphicBufferAlloc.cpp
SkCanvasGlue
addView
Bn
ActivityThread
performLaunchActivity
Session
WindowManagerService mService
WindowManager
createLocalWindowManager
IGraphicBufferConsumer
SurfaceControll.cpp
getSurface
onDraw
ISurfaceComposer.h
SurfaceComposerClient.cpp//Bp
BnGraphicBufferConsumer
.Stub
关联
android_view_SurfaceControl.cpp
sp<SurfaceControl> surface = client->createSurface
DecorView
//gbp初始化
nativeCreate
jni
DisplayDevice
makeCurrent
attach
BnSurfaceComposerClient
//内部类
WindowManagerGlobal
sWindowManagerService = IWindowManager.Stub.asInterface( ServiceManager.getService(\"window\"));
BufferItem
WindownManagerService
windowAddedLocked
addToDisplay
addWindow relayoutWindow
relayoutWindow
doTraversal
IGraphicBufferProducer.cpp
new
BpGraphicBufferProducer
MessageQueue
mEventQueue//处理新建surface
getService
ViewManager
draw
Layer
ConsumerBase
Slot mSlotsacquireBufferLocked//分配mGraphicBuffer
struct Slot
sp<GraphicBuffer> mGraphicBuffer
SurfaceControl
Window
JNI
GLConsumer
makeVisible window和view 关联
ViewRootImpl
android_view_Surface.cpp
初始化
IWindowSession
mWindow
View
dispatchAttachedToWindow//viewrootimp调用
scheduleTraversals
Canvas.java
BnSurfaceComposer
EventControlThread
IGraphicBufferConsumer.h
IGraphicBufferAlloc
SurfaceFlingerConsumer
updateTexImage(BufferRejecter* rejecter)
makeNewWindow
SurfaceControl
Policy
ISurfaceComposer.cpp
setView
Surface
lockCanvas
Display
BufferQueue.h
setContentView
mAttachInfo = new View.AttachInfo()
BufferQueue
SurfaceFlinger.cpp
//服务 将surface 中的layer 数据合成渲染
AttachInfo
//内部类attachInfo.mSurface 由viewrootimp赋值
SurfaceSession
nativeCreateFromSurfaceControl
Canvas
main_surfaceflinger.cpp
//surfaceflinger 进程
WindowState
mSession.windowAddedLocked();
WindowManagerImpl
FramebufferSurface
IGraphicBufferConsumer.cpp
FrameLayout
android_view_SurfaceSession.cpp
android_view_SurfaceSession_getClient
GraphicBuffer
HWComposer
mTraversalRunnable//渲染线程
BnGraphicBufferProducer
Canvas.cpp
IGraphicBufferProducer
BpGraphicBufferConsumer.
Activity
mWindow//创建mWindowManager
SurfaceComposerClient.cpp
PhoneWindow
Client
创建createLayer layercreate surface //调用SurfaceFlinger发送消息 postMessageSync
setWindowManager
GraphicBufferAlloc.cpp
Bp
draw(canvas)
BpSurfaceComposer
invalidate/requestLayout
ISurfaceComposerClient.h
PolicyManager
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