得到应用程序列表 Symbian S60 3rd 的方法

核心提示：/typedef struct tagTaskUidAndCaption{TUid iUid;TBuf<0×100> iCaption;}UID_AND_CAPTION,*PUID_AND_CAPTION;/TInt CObserver::GetTasksL(RArray& aTaskUidCaptionL

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typedef struct tagTaskUidAndCaption

{

TUid iUid;

TBuf<0×100> iCaption;

}UID_AND_CAPTION,*PUID_AND_CAPTION;

/////////////////////////////////////////////////////

TInt CObserver::GetTasksL(RArray& aTaskUidCaptionList)

{

aTaskUidCaptionList.Reset();

//GUI

// RWsSession& wsSession = CEikonEnv::Static()->WsSession();

//EXE

RWsSession wsSession;

User::LeaveIfError(wsSession.Connect());

CApaWindowGroupName* wgName=CApaWindowGroupName::NewL(wsSession);

CleanupStack::PushL(wgName);

CArrayFixFlat* WindowGroupIds = new(ELeave)CArrayFixFlat(1);

CleanupStack::PushL(WindowGroupIds);

User::LeaveIfError(wsSession.WindowGroupList(0,WindowGroupIds));

const TInt count = WindowGroupIds->Count();

for (TInt ii=0; ii<>

{

TInt wgId = WindowGroupIds->At(ii);

wgName->ConstructFromWgIdL(wgId);

if(!wgName->Hidden())

{

//wgName->Caption()

//wgName->AppUid().Name()

//wgName->Hidden()

//wgName->IsSystem()

//wgName->IsBusy()

//wgName->AppUid()

UID_AND_CAPTION UidCaption;

UidCaption.iCaption.Copy(wgName->Caption());

UidCaption.iUid.iUid = wgName->AppUid().iUid;

aTaskUidCaptionList.Append(UidCaption);

}

}

//EXE

wsSession.Close();

CleanupStack::PopAndDestroy(2);//WindowGroupIds, wgName

return count;

}

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RArray iTaskUidCaptionList;

GetTasksL(iTaskUidCaptionList);

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注意：1、在GUI的应用程序下 User::LeaveIfError(wsSession.WindowGroupList(0,WindowGroupIds)); 才能成功。