redview.cpp

一个简单的手机读写文件的例子。可以让你轻松学会在SYMBIAN中如何读写文件。

/* Copyright (c) 2007, Nokia. All rights reserved */
#include <akncontext.h> 
#include "ParkingAppUi.h"
#include "RedView.h"
#include "RedContainer.h"
#include "Parking.hrh"
#include "Parking.rsg"
#include <Parking.mbg>


CRedView* CRedView::NewL()
{
    CRedView* self = NewLC();
    CleanupStack::Pop(self);
    return self;
}

CRedView* CRedView::NewLC()
{
    CRedView* self = new (ELeave) CRedView();
    CleanupStack::PushL(self);
    self->ConstructL();
    return self;
}

void CRedView::ConstructL()
{
	BaseConstructL();
}

CRedView::CRedView()
{
	m_pAppContainer = NULL;
}


CRedView::~CRedView()
{
}

TUid CRedView::Id() const
{
	return TUid::Uid(1);
}

void CRedView::HandleCommandL(TInt aCommand)
{
	AppUi()->HandleCommandL(aCommand);
}

void CRedView::HandleClientRectChange()
{

}

void CRedView::DoActivateL(const TVwsViewId&, TUid, const TDesC8&)
{
	m_pAppContainer = new( ELeave ) CRedContainer();
	m_pAppContainer->SetMopParent(this);
	m_pAppContainer->ConstructL( ClientRect() );	
	AppUi()->AddToStackL( *this, m_pAppContainer );

	CEikStatusPane* sp=iEikonEnv->AppUiFactory()->StatusPane();
	//Set view icon
	CAknContextPane* contextPane = (CAknContextPane*) sp->ControlL(TUid::Uid(EEikStatusPaneUidContext));
	CFbsBitmap* bitmap = iEikonEnv->CreateBitmapL(_L("\\system\\apps\\PARKING\\Parking.mbm"), EMbmParkingWmpnss_32x32_i);
	contextPane->SetPicture(bitmap);

}

void CRedView::DoDeactivate()
{
	if(m_pAppContainer)
	{
		AppUi()->RemoveFromStack( m_pAppContainer );
		delete m_pAppContainer;
		m_pAppContainer = NULL;
	}
}


/***************************************************************
****************************CUserInfo***************************
***************************************************************/


void CUserInfo::InternalizeL(RReadStream& aRead)
{
	TInt nLen = aRead.ReadInt32L();
	if(m_pStrName)
	{
		delete m_pStrName;
		m_pStrName = NULL;
	}
	if(nLen > 0)
	{
		m_pStrName = HBufC::NewLC(nLen);
		aRead >> m_pStrName;
		CleanupStack::Pop();
	}

	nLen = aRead.ReadInt32L();
	if(m_pStrPassword)
	{
		delete m_pStrPassword;
		m_pStrPassword = NULL;
	}
	if(nLen > 0)
	{
		m_pStrPassword = HBufC::NewLC(nLen);
		aRead >> m_pStrPassword;
		CleanupStack::Pop();
	}
}

void CUserInfo::ExternalizeL(RWriteStream& aWrite) const
{
	if(m_pStrName)
	{
		aWrite.WriteInt32L(m_pStrName->Length());
		aWrite << m_pStrName;
	}
	else
	{
		aWrite.WriteInt32L(0);
	}
	if(m_pStrPassword)
	{
		aWrite.WriteInt32L(m_pStrPassword->Length());
		aWrite << m_pStrPassword;
	}
	else
	{
		aWrite.WriteInt32L(0);
	}
}


/***************************************************************
****************************CUserManager************************
***************************************************************/
void CUserManage::ReadUser()
{
	TBuf<32>	sFilePath;
	sFilePath.Copy(_L("user.reg"));

	RReadStream rStream;
	
	TInt nCount = rStream.ReadInt32L();
	for (TInt i = 0; i<nCount; i++)
	{
		CUserInfo* pUser = CUserInfo::NewL();
		pUser->InternalizeL(rStream);
		m_arrUserInfo.Append(pUser);
	}

	
}

void CUserManage::WriteUser()
{
	TBuf<32>	sFilePath;
	sFilePath.Copy(_L("user.reg"));
	
	RWriteStream wStream;

	wStream.WriteInt32L(m_arrUserInfo.Count());
	for (TInt i = 0; i<m_arrUserInfo.Count(); i++)
	{
//		CUserInfo* pUser = m_arrUserInfo[i];
		m_arrUserInfo[i]->ExternalizeL(wStream);
	}

	wStream.CommitL();
	wStream.Close();
}