C++Builder 实现监听手机通话状态

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⒈头文件：



  #include <FMX.Platform.hpp>

  #include <FMX.PhoneDialer.hpp>

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⒉私有变量：



  _di_IFMXPhoneDialerService phoneDialerService;

  bool serviceSupported;



⒊代码：



  void __fastcall TForm1::MyOnCallStateChanged(const UnicodeString aCallID, const TCallState aCallState) {

	  switch (aCallState) {

		case TCallState::None:

				Label1->Text = L"No calls电话处于空闲状态，正等待接入";

                break;

		case TCallState::Connected:

				Label1->Text = L"Connected有电话打入，处于连接状态";

				break;

	    case TCallState::Incoming:

				Label1->Text = L"Incoming call来电";

				break;

			case TCallState::Dialing:

				Label1->Text = L"Dialing电话在拨号状态";

				break;

		case TCallState::Disconnected:

				Label1->Text = L"Disconnected断开呼叫";

				break;

	  }

  }

void __fastcall TForm1::FormCreate(TObject *Sender)

{

	   serviceSupported = (TPlatformServices::Current->SupportsPlatformService(__uuidof(IFMXPhoneDialerService)) &&

		(phoneDialerService = TPlatformServices::Current->GetPlatformService(__uuidof(IFMXPhoneDialerService))));

	   if (serviceSupported) {

		   phoneDialerService->OnCallStateChanged = MyOnCallStateChanged;

	   }



}