Android 源码阅读之建立3G网络流程--细读

状态机

frameworks/base/core/java/com/android/internal/util/HierarchicalStateMachine.java

frameworks/base/teleponoy/java/com/android/internal/telephony/DataConnection.java

DataConnection is abstract class

数据连接状态：

mInactiveState

mActivatingState

mActiveState

mDisconnectingState

mDisconnectingBad

frameworks/base/services/java/com/android/server/ConnectivityService.java

 

frameworks/base/core/java/android/net/NetworkInfo.java

CREATE

 

 

pppd服务就是数据网络处理数据请求的服务。