按挂机键后程序退到后台运行，按c键结束程序
目的：当程序在前台运行时，按挂机键程序不退出，只是退到后台运行，程序在后台运行时，按c键能把程序结束
方法：在HandleWsEventL()中屏蔽挂机键KAknUidValueEndKeyCloseEvent,在值在avkon.hrh中定义，实践中发现8.0sdk的avkon.hrh没有定义KAknUidValueEndKeyCloseEvent，唯有手工添加定义#define KAknUidValueEndKeyCloseEvent 0x101F87F0
测试：在3230，N70和E61i上测试通过
void CMyClientAppUi::HandleWsEventL(const TWsEvent &aEvent, CCoeControl *aDestination)
{
switch (aEvent.Type())
{
case KAknUidValueEndKeyCloseEvent:
break;
default:
CAknAppUi::HandleWsEventL(aEvent, aDestination);
}
}
// ----------------------------------------------------
// CPocoClientAppUi::HandleCommandL(TInt aCommand)
// takes care of command handling
// ----------------------------------------------------
//
void CMyClientAppUi::HandleCommandL(TInt aCommand)
{
switch ( aCommand )
{
case EEikCmdExit:
{
Exit();
break;
}
// TODO: Add Your command handling code here
default:
break;
}
}
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