Android P wifi和p2p启动流程

wifisettings部分就不说了，从wificontroller开始：

1.WifiController: 接收到CMD_WIFI_TOGGLED，调用transitionTo(mDeviceActiveState)切换状态->DeviceActiveState::mWifiStateMachinePrime.enterClientMode()

2.WifiStateMachinePrime: changeMode(ModeStateMachine.CMD_START_CLIENT_MODE)->ModeStateMachine::ClientModeActiveState::enter::mManager.start()

3.ClientModeManager: mStateMachine.sendMessage(ClientModeStateMachine.CMD_START)->ClientModeStateMachine::IdleState::mWifiNative.setupInterfaceForClientMode(这里做了①startHal②startSupplicant③createStaIface创建wlan0接口④mWifiMonitor.startMonitoring)->transitionTo(mStartedState)->StartedState::processMessage::CMD_INTERFACE_STATUS_CHANGED::onUpChanged(isUp)::mWifiStateMachine.setOperationalMode(WifiStateMachine.CONNECT_MODE, mClientInterfaceName)->updateWifiState(WifiManager.WIFI_STATE_ENABLED, WifiManager.WIFI_STATE_ENABLING)在这里发送wifi已经enabled的广播

4.WifiStateMachine:

最后

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