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Elisabeth Måwe Elisabeth joined the system documentation team in 2000 and has since been involved in designing and writing the Symbian Developer Library, specializing in operating system customization, kits and build tools. Elisabeth has a BA (Hons) in Technical Communication/Information Design from M¨alardalens H ¨ogskola and Coventry University, as well as an MA in Contemporary English Language and Linguistics from Reading University. After graduating in 1996 she worked as a technical author, information designer and web editor for various IT companies in the UK, producing documentation for both network management and market research software. Ian Bunning Ian joined Symbian after graduating from the University of Cambridge in 2001. He is now an engineer on the Personal Area Networking team, dealing primarily with infrared and OBEX, but also with USB and Bluetooth development. While at University, Ian held the post of Director of Production at The Cambridge Student- the Student Union's weekly newspaper. He assisted two editorial teams by ensuring that their articles had pictures and reached the printers. He also acted as an interview photographer – his subjects included John Madden, Gail Porter and Big Brother's 'Nasty' Nick Bateman. Outside of Symbian, Ian is a keen photographer and occasional jeweler. Ian McDowall Ian joined Symbian in 2000 and is currently a technology architect responsible for connectivity. He has filled roles ranging from developer, through project manager to technical manager by way of quality manager and process consultant (including presentations at international conferences). He has an MA in Computer Sciences from Cambridge University and an MBA from Warwick University. As a software engineer for over twenty years he has been with a number of software companies and has worked on more than fifteen operating systems, developing software ranging from enterprise systems to embedded software. He is married to Lorraine and they have two children, Ross and Kelly, and a number of pets. John Crickett John is an experienced independent software developer, specializing in object-oriented software engineering. He is a member of the British Standards Institute C++ Language Panel, and regularly writes articles on software development with C++ and Java for the Association of C and C++ Users magazines. He can be contacted through his website www.crickett.co.uk. John Davis John has worked for Symbian for six months. He has written many in- house guides for leading edge C++-based applications and has eight years industrial experience, where he began as a C programmer writing communications packages. Educated in Dublin and Aberystwyth, he enjoys travel and has published many travel articles on the web. You can find his archives at www.heldencrow.com. John McAleely
John works in the partner projects group at Symbian, providing technical support to key partners as they prepare products for Symbian OS. Recent partner development projects include audio engine development, ports of Symbian OS to new hardware platforms and delivering technical training material to developers around the world. John has worked for Symbian since 2000, and previously worked on DVD software for PCs while writing programs for Psion computers in his spare time. He has a Master's degree in Software Engineering from Imperial College. John Pagonis John joined Symbian in 1998, where he worked on the development of the Ericsson R380 smartphone before joining the personal area networking team, which implemented Bluetooth for Symbian OS. These days, John works in the emerging technologies and telephony group. John is also on an academic quest as part-time PhD student, focusing on the issue of information overload. Other interests include computer and wireless personal area networks, software agents, software engineering, organizational process patterns, object technology, wearable and wireless information devices, resource-constrained systems and user interfaces. John graduated from the University of Essex with a BEng in Computers and Networks and an MSc in Computers and Information Networks. A part-time martial artist, open source and free software advocate, John believes it is better that certain things are kept unread. Laura McLeod Laura joined Symbian in 2001 as a technical author. She has written a range of reference documentation for the Symbian Developer Library, including for Versit (an application engine) and the file system. Before joining Symbian, she was a technical author in C++ software development, and also worked in customization of financial middleware software. Malcolm Box Malcolm joined the Symbian base team in 1998. After working on the kernel for the Ericsson R380 smartphone, he moved over into the personal area networks team. He was the technical architect and lead for the Symbian OS Bluetooth stack, which shipped in the Nokia 7650 and Sony Ericsson P800. Recently he has been working in Japan, leading a system architecture group. Now in the UK, Malcolm is involved with product development with Symbian's Japanese licensees. Malcolm has a MEng degree in Microelectronics and Software Engineering from Newcastle University. He started his career at Nortel, where he designed VLSI circuits for ATM and exchange equipment. Outside work, Malcolm maintains the LXR code cross-referencer project and contributes to other freeware. An adventure sports enthusiast, Malcolm is learning to white-water kayak, which involves a lot of time swimming in cold rivers. Thanks are due to David Amos and Tim Ocock for their help in reviewing and Andrew Thoelke for the server startup code. He also thanks his family for putting up with him spending weekends writing rather than with them. Nao Kagabu Nao joined the research group at Symbian Japan in December 2000. After working on several research projects, he was transferred to Symbian UK. Since then he has been providing technical support to key partners, integrating their technologies into Symbian OS. Recently, he joined to the Partner Projects Group.
Page 1 and 2: Table of Contents Symbian OS C++ fo
Page 3 and 4: Reprinted August 2003 All Rights Re
Page 5 and 6: � consultants, trainers, and auth
Page 7 and 8: Symbian OS C++ for Mobile Phones fo
Page 9 and 10: When you're ready to use the Symbia
Page 11: improvement. She has a reputation f
Page 15 and 16: If you've never seen Symbian OS bef
Page 17 and 18: within a particular application. In
Page 19 and 20: There are a number of other ways in
Page 21 and 22: programs - namely, to handle and re
Page 23 and 24: There is no need to trap the call t
Page 25 and 26: abld build winscw udeb The winscw p
Page 27 and 28: If you're curious, you might want t
Page 29 and 30: If your connectivity software does
Page 31 and 32: Chapter 2: System Structure Overvie
Page 33 and 34: Figure 2.2 Figure 2.3 Symbian OS OE
Page 35 and 36: Note Actually, for performance reas
Page 37 and 38: To be executed, an executable has t
Page 39 and 40: The kernel itself has two major com
Page 41 and 42: ROM handling is easy. The ROM consi
Page 43 and 44: You can control the stack size in a
Page 45 and 46: industry standard, slightly smaller
Page 47 and 48: A server also uses its own active o
Page 49 and 50: In order to minimize any difficulty
Page 51 and 52: � The top-level project name in t
Page 53 and 54: Title DLL Source Group Headers Desc
Page 55 and 56: Chapter 3: C++ and Object Orientati
Page 57 and 58: The fundamental rule is, use names
Page 59 and 60: Category Examples Description Const
Page 61 and 62: 3.2.6 Summary Naming conventions ar
Page 63 and 64:
Convenience functions are trivial w
Page 65 and 66:
� When declaring a virtual functi
Page 67 and 68:
used in preference to old style C c
Page 69 and 70:
Java uses interfaces too: in Java,
Page 71 and 72:
� Whether these are private or pu
Page 73 and 74:
If the cardinality is not 1-to-1, t
Page 75 and 76:
Figure 4.1 At the bottom is the GDI
Page 77 and 78:
In addition to the four C++ classes
Page 79 and 80:
In addition, as indicated by the SO
Page 81 and 82:
Figure 4.3 SDK and then browse to t
Page 83 and 84:
eturn KErrNone; } Important You mus
Page 85 and 86:
private: // from CEikDocument CEikA
Page 87 and 88:
ConstructL() performs second-phase
Page 89 and 90:
hellogui's application view is a co
Page 91 and 92:
The other things we haven't seen in
Page 93 and 94:
form described above advertises the
Page 95 and 96:
} RESOURCE TBUF r_hellogui_text_hel
Page 97 and 98:
CQikAppUi::HandleWsEventL(const TWs
Page 99 and 100:
4.9 Terminating the Application By
Page 101 and 102:
debug stepping, variable watching,
Page 103 and 104:
5.1 Strings and Memory To understan
Page 105 and 106:
� HBufC* is a pointer to a heap-b
Page 107 and 108:
strlen() doesn't include the traili
Page 109 and 110:
The Des() function returns a TPtr c
Page 111 and 112:
TBuf helloWorld(_L("hello")); greet
Page 113 and 114:
TDes& parameters. Symbian OS itself
Page 115 and 116:
5.4 More Text APIs Symbian OS uses
Page 117 and 118:
encodings of Unicode that use seque
Page 119 and 120:
Chapter 6: Error Handling and Clean
Page 121 and 122:
Even user input errors can be handl
Page 123 and 124:
Note It also demonstrates that the
Page 125 and 126:
eak; So, the New 1 menu item alloca
Page 127 and 128:
this line yourself, and then rerun
Page 129 and 130:
case EMagicCmdNew2: delete iObject2
Page 131 and 132:
If the new(ELeave) fails, then iObj
Page 133 and 134:
If you're writing a function, and t
Page 135 and 136:
} You can invoke these functions fr
Page 137 and 138:
Any one of the calls to UseL() may
Page 139 and 140:
case EMagicCmdUse4: { CY* y = new(E
Page 141 and 142:
� Functions that can leave must o
Page 143 and 144:
CZ::NewL() was actually coded waste
Page 145 and 146:
TAny*. The cleanup code will deallo
Page 147 and 148:
successfully). This means you have
Page 149 and 150:
User::Leave(KErrNone). This appears
Page 151 and 152:
systems outside my control, and res
Page 153 and 154:
Chapter 7: Resource Files Overview
Page 155 and 156:
Data Type Description BUF A Unicode
Page 157 and 158:
} MENU_ITEM { command = EExampleCmd
Page 159 and 160:
A single resource file supports 409
Page 161 and 162:
Filename Description EeikCmdExit, a
Page 163 and 164:
RESOURCE MENU_PANE r_hellogui_hello
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0E [uncompressed data run length] 0
Page 167 and 168:
Chapter 8: Basic APIs Overview We'v
Page 169 and 170:
IMPORT_C void Write(TInt aPos, cons
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_LIT8(KTxt2," world"); buf->InsertL
Page 173 and 174:
Dynamic buffers are also used to st
Page 175 and 176:
Class name Description [*] CArrayFi
Page 177 and 178:
In v7.0, the structure of ROM image
Page 179 and 180:
} In a function such as FormatList(
Page 181 and 182:
library. The next few pages should
Page 183 and 184:
Using this technique, your program
Page 185 and 186:
� The original program consisted
Page 187 and 188:
pointer, and no method of directly
Page 189 and 190:
Figure 9.1 It's a pretty Spartan di
Page 191 and 192:
Note 9.2.3 The Controller As descri
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TInt iLength; // Length - determine
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void SetHit(TInt aX, TInt aY); // H
Page 197 and 198:
The functions to do this are Functi
Page 199 and 200:
User::After(1) is guaranteed to wai
Page 201 and 202:
{ public: // Construct/destruct/set
Page 203 and 204:
This begins by creating a new windo
Page 205 and 206:
); aRect.iTl.iX+iBorderSize+i*iTile
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else gc.SetPenColor(KRgbYellow); gc
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control framework needs to know whe
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the board. It then uses these coord
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Calculate board size in twips, and
Page 215 and 216:
iRightBorder.Move(offset); iBoardRe
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private: // Construct/restore void
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ViewCmdHitFleet() shows how the con
Page 221 and 222:
There are no surprises in the comma
Page 223 and 224:
}; MENU_ITEM {command=EEikCmdZoomIn
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The framework handles creating a fi
Page 227 and 228:
void TShip::ExternalizeL(RWriteStre
Page 229 and 230:
void CGameAppUi::HandleCommandL(TIn
Page 231 and 232:
the target view. Because such messa
Page 233 and 234:
TInt iCursorX; TInt iCursorY; TUid
Page 235 and 236:
display area) and to handle a parti
Page 237 and 238:
Create and load a bitmap iHideBitma
Page 239 and 240:
This version formats the message ID
Page 241 and 242:
Chapter 10: Dialogs and Concrete Co
Page 243 and 244:
Figure 10.2 I got this by typing Ct
Page 245 and 246:
Finally, note that buttons can't be
Page 247 and 248:
for 'control'. I'll always use 'con
Page 249 and 250:
CEikDialog* dialog = new(ELeave) CE
Page 251 and 252:
Simply put, the dialog has a title,
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OK is handled by OkToExitL(). In fa
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Any of the checks or file operation
Page 257 and 258:
}; id = EGameControlIdProtocol; con
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Listen"; } type = EEikCtChoiceList;
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TUid protocol = TUid::Uid(choicelis
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10.3.2 Adding Buttons If you want t
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Function Description virtual void S
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� specify initialization data for
Page 269 and 270:
CEikBorderedControl CEikBorderedCon
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� eikon.rh and Qikon.rh contain t
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Class Header ID CEikGlobalTextEdito
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UIs provide many other standard dia
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Figure 11.1 As it happens, this scr
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gc.DrawText(*iHelloWorld, rect, bas
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The two points that define Trect ca
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The clipping region defines the reg
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virtual void DrawBitmap(const TRect
Page 287 and 288:
Figure 11.5 From the diagram: � T
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In theory, then, you don't need to
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So far, we have suggested that you
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DrawBorders(); DrawTiles(); } but t
Page 295 and 296:
It turns out that working out exact
Page 297 and 298:
Now it's time to be precise about h
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Figure 11.10 It has a single window
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{ public: . . . static CExampleHell
Page 303 and 304:
case 2: return EAmountOfControls; }
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finished. When the BeginRedraw()fun
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Default settings are assured here:
Page 309 and 310:
First and foremost, a control is a
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class CCoeControl : public CBase {
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You can set a control's position an
Page 315 and 316:
IMPORT_C virtual void Draw(const TR
Page 317 and 318:
� If you select OK on a dialog -
Page 319 and 320:
In this chapter, I've concentrated
Page 321 and 322:
TKeyResponse COppFleetView::OfferKe
Page 323 and 324:
TEventCode is the type of window se
Page 325 and 326:
notification, and changing the curs
Page 327 and 328:
From the preceding discussion, it s
Page 329 and 330:
� if the Set interval button is s
Page 331 and 332:
� The general-purpose control des
Page 333 and 334:
private: ... MCoeControlObserver* i
Page 335 and 336:
Special-purpose events should be ha
Page 337 and 338:
Figure 12.4 Key events are offered
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A control should change its appeara
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12.4.3 Grabbing the Pointer-down Co
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ProcessPointerEventL() implements t
Page 345 and 346:
In the last chapter, we concentrate
Page 347 and 348:
making them lighter or darker. For
Page 349 and 350:
Chapter 13: Files, Streams, and Sto
Page 351 and 352:
Note Strictly, documents are not th
Page 353 and 354:
Figure 13.2 The file server provide
Page 355 and 356:
� changing directory and file att
Page 357 and 358:
important in Symbian OS, so it's pr
Page 359 and 360:
Figure 13.5: � Write file allows
Page 361 and 362:
TryChangeFocusToL(EExampleControlId
Page 363 and 364:
file.Close(); // Finished with user
Page 365 and 366:
Update view iAppView->DrawNow(); }
Page 367 and 368:
} // Finish CleanupStack::PopAndDes
Page 369 and 370:
external stream and de-serialize wh
Page 371 and 372:
RwriteStream Functions RReadStream
Page 373 and 374:
You'll remember that I used this, w
Page 375 and 376:
Technique Application descriptor wh
Page 377 and 378:
Let's consider the file format of t
Page 379 and 380:
� create, write, and close the ap
Page 381 and 382:
Figure 13.10 The main document is a
Page 383 and 384:
through the DBMS. For more on using
Page 385 and 386:
Figure 13.13 There is a small class
Page 387 and 388:
� Where an application's .ini fil
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The first step of the process is to
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END SOURCE 1 icon2mask.bmp SOURCE c
Page 393 and 394:
id=EHelloGuiCmd0; flags=EEikToolBar
Page 395 and 396:
Figure 14.4 abld build winscw udeb
Page 397 and 398:
For the purpose of this book, we'll
Page 399 and 400:
#include RESOURCE AIF_DATA { capti
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1 file(s) copied. When this has fin
Page 403 and 404:
The way the Certificate Generator w
Page 405 and 406:
The body of this file should be obv
Page 407 and 408:
Don't expect the installed applicat
Page 409 and 410:
� Every application should fill t
Page 411 and 412:
� Use bold style for active text
Page 413 and 414:
Overview This chapter discusses wri
Page 415 and 416:
Class Description CExampleApplicati
Page 417 and 418:
Class Description Figure 15.3 conta
Page 419 and 420:
aDeviceRect.Center().iY - boxInPixe
Page 421 and 422:
} fontSpec)); The key function here
Page 423 and 424:
The second case will cause problems
Page 425 and 426:
I'm careful to draw every pixel: I
Page 427 and 428:
SetZoomOutL() works the other way r
Page 429 and 430:
ealistic print code would take acco
Page 431 and 432:
Figure 15.7 The base class for bitm
Page 433 and 434:
lit them efficiently from a shared
Page 435 and 436:
#define KRgbYellow TRgb(0x00ffff) #
Page 437 and 438:
world colors mapped down onto black
Page 439 and 440:
Figure 15.8 The GUI used in the Psi
Page 441 and 442:
In terms of applications, the appli
Page 443 and 444:
Overview So far in this book, we've
Page 445 and 446:
Figure 16.2 The starting point for
Page 447 and 448:
if (iController->Engine().IsMyTurn(
Page 449 and 450:
device, I will have to publish thes
Page 451 and 452:
� If your request didn't get thro
Page 453 and 454:
Communications is full of this kind
Page 455 and 456:
The game will connect and you can s
Page 457 and 458:
Figure 16.9 The controller contains
Page 459 and 460:
iEngine->iOppFleet.SetShipType(aX,
Page 461 and 462:
if(!iController->IsMyTurn()) iEikon
Page 463 and 464:
Of course, the opponent's response
Page 465 and 466:
wrong with it. And it may not alway
Page 467 and 468:
fleet.SetHit(x,y); // update view i
Page 469 and 470:
With this scheme, each chat message
Page 471 and 472:
For a minimum level of skill, the c
Page 473 and 474:
CONE maintains an outstanding reque
Page 475 and 476:
Figure 17.2 It is also worth mentio
Page 477 and 478:
some function that will later gener
Page 479 and 480:
So the scheduler handles precisely
Page 481 and 482:
CActive implements the Cancel() fun
Page 483 and 484:
A RunL() function can stop the acti
Page 485 and 486:
}; Figure 17.9 Member functions her
Page 487 and 488:
Function Description Stop() Decreas
Page 489 and 490:
17.3.1 Maintaining an Outstanding R
Page 491 and 492:
Change visibility of app view text
Page 493 and 494:
static CMultiPartHello* NewL(CActiv
Page 495 and 496:
iTimer.After(iStatus, iDelay); SetA
Page 497 and 498:
I prefer to hide active objects fro
Page 499 and 500:
In active objects, higher priority
Page 501 and 502:
Figure 18.1 Some simple server tran
Page 503 and 504:
A new session has a handle that is
Page 505 and 506:
Figure 18.4 Before any subsessions
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Figure 18.5 When the buffer is full
Page 509 and 510:
Related servers can be run in the s
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� Request the window server to dr
Page 513 and 514:
This is because, when a client thre
Page 515 and 516:
Figure 18.8 18.4.1 Thread Basics Th
Page 517 and 518:
GetDesLength() return this as their
Page 519 and 520:
class RSessionBase : public RHandle
Page 521 and 522:
RSubSessionBase - client-side sub-s
Page 523 and 524:
Bootstrap code for a server should
Page 525 and 526:
The CSharableSession class provides
Page 527 and 528:
RMessage is not intended for deriva
Page 529 and 530:
The GSDP server presented here has
Page 531 and 532:
IMPORT_C TInt GetGdpProtocolInfo(TI
Page 533 and 534:
with all four slots, even if you do
Page 535 and 536:
}; RGsdpSession::Listen() calls CGs
Page 537 and 538:
inline RGsdpSession() : iHandler(0)
Page 539 and 540:
If, in the first step above, the ke
Page 541 and 542:
The GSDP client API implements a sy
Page 543 and 544:
� Function() gives me the request
Page 545 and 546:
Basically, the setter stores its ar
Page 547 and 548:
As we saw in Chapter 17, any API pr
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Many Symbian OS servers use polymor
Page 551 and 552:
construct shutdown timer iShutdown=
Page 553 and 554:
void CGsdpProtocolUpdater::RunL() {
Page 555 and 556:
GSDP clients can select the protoco
Page 557 and 558:
} }; } }; } version_no = 1; display
Page 559 and 560:
} aFromPort, aData); If iLastError
Page 561 and 562:
� The datagram arrives via a GDP
Page 563 and 564:
AddPacket() is a method provided by
Page 565 and 566:
iReceiveMessage.Complete(KErrNone);
Page 567 and 568:
� The client program launches a n
Page 569 and 570:
server.Close(); return died.Int();
Page 571 and 572:
CGsdpScheduler::TServerStart start;
Page 573 and 574:
aStart.SignalL(); CActiveScheduler:
Page 575 and 576:
19.4 Summary In this chapter, we've
Page 577 and 578:
Figure 20.1 Typically, a communicat
Page 579 and 580:
This encapsulation is important, as
Page 581 and 582:
else // Everything was OK, leave th
Page 583 and 584:
suite of protocols: UDP, TCP, ICMP
Page 585 and 586:
member of the GDP-SMS session objec
Page 587 and 588:
This puts it into an initial state,
Page 589 and 590:
void CGdpSmsSender::TSendMsgState::
Page 591 and 592:
If, for some reason, the operation
Page 593 and 594:
RSmsSocketReadStream readstream(iRe
Page 595 and 596:
Bluetooth is composed of a hierarch
Page 597 and 598:
Figure 20.10 shows two sequential o
Page 599 and 600:
As with GDP-SMS, the SendL() functi
Page 601 and 602:
Once connected, the sockets interfa
Page 603 and 604:
err = iListenSocket.Listen(4); User
Page 605 and 606:
iReceiver.iReadSocket.Read(iReceive
Page 607 and 608:
Appendix 1: Example Projects Overvi
Page 609 and 610:
AppForge development software integ
Page 611 and 612:
Psion has a long history of using S
Page 613 and 614:
Appendix 3: TOGS Guide and Referenc
Page 615 and 616:
protected: TUid iDtor_ID_Key; }; CG
Page 617 and 618:
eturn KErrNone; } TInt CGdpLoopback
Page 619 and 620:
packet to the initiating partner: t
Page 621 and 622:
inline RGsdpSession() : iHandler(0)
Page 623 and 624:
Function Description MGsdpPacketHan
Page 625 and 626:
RGCP TOGS is designed to support tu
Page 627 and 628:
Packet structure RGCP uses GSDP as
Page 629 and 630:
State Meaning responses are handled
Page 631 and 632:
Figure A3.10 Here's CRgcpSession's
Page 633 and 634:
void GsdpHandleL(const TDesC8& aDat
Page 635 and 636:
virtual void RgcpHandleBound() = 0;
Page 637 and 638:
State Meaning Listening You have ch
Page 639 and 640:
From To Occurs When other player, t
Page 641 and 642:
Opcode Name Details want-second.Res
Page 643 and 644:
Appendix 4: Emulator Reference Over
Page 645 and 646:
Figure A4.2 This source compatibili
Page 647 and 648:
Figure A4.5 An emulator configurati
Page 649 and 650:
Each Symbian OS .exe built for the
Page 651 and 652:
In different UIs, there can be addi
Page 653 and 654:
ARM data alignment rules are strict
Page 655 and 656:
Key Description W Dump full window
Page 657 and 658:
event handling threads 569 events,
Page 659 and 660:
Application Programming Interfaces
Page 661 and 662:
Boolean data type 55 Boss Puzzle di
Page 663 and 664:
CGsdpSession 650 CanReceivePacket()
Page 665 and 666:
certificate file 472 Certificate Ge
Page 667 and 668:
ServiceL error handling 646 CGsdpSe
Page 669 and 670:
CObjectIx class 614 CodeWarrior deb
Page 671 and 672:
context switching 27 performance is
Page 673 and 674:
CSession class 598, 614, 624 CShara
Page 675 and 676:
text 501 fonts 495 GDI 507 line dra
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const rule, breaking 334 descriptio
Page 679 and 680:
DrawVerticalBorder() function 238 D
Page 681 and 682:
ExternalizeL() function 261 testing
Page 683 and 684:
files 416 copying to emulator 773 s
Page 685 and 686:
G game datagram protocol see GDP pr
Page 687 and 688:
drawing 237 zooming 245 GetZoom() f
Page 689 and 690:
graphics interaction 370 pick corre
Page 691 and 692:
Install() function CActiveScheduler
Page 693 and 694:
graphics interaction handling 370 O
Page 695 and 696:
summary 485 MakeVisible() function
Page 697 and 698:
multithreading 43 MVC 287 controlle
Page 699 and 700:
packets see datagrams palettes 516
Page 701 and 702:
private key 472 privilege boundarie
Page 703 and 704:
ReceiveAllL() 697 ReceivePacket() f
Page 705 and 706:
Revo 23 RFCOMM 701 RFile class 46 v
Page 707 and 708:
RWriteStream 425 streams 430 vs. RF
Page 709 and 710:
CGraphicsContext class 324 SetBrush
Page 711 and 712:
simple getter functions 60 single-p
Page 713 and 714:
Static() function CCoeEnv class 357
Page 715 and 716:
ESOCK sockets server 526 ETEL telep
Page 717 and 718:
TDisplayMode 516 Telephony server 6
Page 719 and 720:
TParsePtr 418 TParsePtrC 418 TPckg
Page 721 and 722:
derivation relationships 75 Unicode
Page 723:
flicker-free redraw 354 invalid reg
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