diff -r 000000000000 -r 89d6a7a84779 Symbian3/SDK/Source/GUID-9EE405E2-2D58-525B-8C33-B1EAC0C5A71A.dita --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Symbian3/SDK/Source/GUID-9EE405E2-2D58-525B-8C33-B1EAC0C5A71A.dita Thu Jan 21 18:18:20 2010 +0000 @@ -0,0 +1,70 @@ + + + + + +Network Signal Status Tutorial This tutorial describes how to get the network signal status with the telephony API for applications. create new instance of CTelephony use CTelephony::GetIndicator() to get the network signal status information you can cancel the asynchronous request with a EGetIndicatorCancel object use the enumerationEIndicatorChange to get the notification of any changes to the network signal status cancel the notification request with EIndicatorChangeCancel enumeration. Network signal status example #include <e32base.h> +#include <Etel3rdParty.h> + +class CClientApp : public CActive + { + +private: + CTelephony* iTelephony; + CTelephony::TIndicatorV1 iIndicatorV1; + CTelephony::TIndicatorV1Pckg iIndicatorV1Pckg; + +public: + CClientApp(CTelephony* aTelephony); + void SomeFunction(); + +private: + /* + These are the pure virtual methods from CActive that + MUST be implemented by all active objects + */ + void RunL(); + void DoCancel(); + }; + +CClientApp::CClientApp(CTelephony* aTelephony) + : CActive(EPriorityStandard), + iTelephony(aTelephony), + iIndicatorV1Pckg(iIndicatorV1) + { + //default constructor + } + +void CClientApp::SomeFunction() + { + iTelephony->GetIndicator(iStatus, iIndicatorV1Pckg); + SetActive(); + } + +void CClientApp::RunL() + { + if(iStatus==KErrNone) + { + if(iIndicatorV1.iCapabilities & CTelephony::KIndNetworkAvailable) + { + // We can detect when a network is present + if(iIndicatorV1.iIndicator & CTelephony::KIndNetworkAvailable) + {} // Network is present + else + {} // Network is no present + } + else + {} // We do not know whether a network is present + } + } + +void CClientApp::DoCancel() + { + iTelephony->CancelAsync(CTelephony::EGetIndicatorCancel); + } \ No newline at end of file