Symbian OS ExplainedEffective C++ Programming for Smartphones phần 6 docx

... 14 3 9 .12 Class CIdle 14 6 9 .13 Class CPeriodic 14 8 9 .14 Common Mistakes 14 9 9 .15 Summary 15 0 10 Symbian OS Threads and Processes 15 1 10 .1 Class RThread 15 2 10 .2 Thread Priorities 15 5 10 .3 Stopping a ... Requests Differ? 17 9 11 .6 How Is a Server Started? 17 9 11 .7 How Many Connections Can a Client Have? 18 0 11 .8 What Happens When a Client Disconnects?...

Ngày tải lên: 13/08/2014, 08:21

... http://www.simpopdf.com 12 CLASS NAME CONVENTIONS ON SYMBIAN OS are classes in Symbian OS code itself which do not fit the ideals I’ve put to you above. There are a few classes in Symbian OS which don’t even conform ... on the heap using the Symbian OS overload of operator new. 2. 7 Summary This chapter discussed leaves, which are the lightweight equivalent of C++ exceptio...

Ngày tải lên: 13/08/2014, 08:21

... the ones already provided by Symbian OS. I’ll discuss the use of a framework and plug-ins, a commonly used Symbian OS idiom, in more detail in Chapter 13. Symbian OS has been built as _UNICODE ... is why they are deprecated in production code. ã Symbian OS descriptors may take some getting used to, but cannot be avoided when programming for Symbian OS because many API f...

Ngày tải lên: 13/08/2014, 08:21

... process. On Symbian OS, the use of active objects for event-handling multitask- ing is ideal because they are designed for efficiency and, if used correctly, to be responsive. In general, a Symbian OS ... TPtr8 for the given buffer position up to the end of the memory allocated. For a CBufFlat this returns a TPtr8 to the rest of the buffer, but for CBufSeg it returns only the...

Ngày tải lên: 13/08/2014, 08:21

... DLL (targettype fsy) and must conform to the fsy plug-in interface defined by Symbian OS. More information about the use of framework and plug-in code in Symbian OS, and polymorphic DLLs, can be ... system server panics for some reason, Symbian OS is forced to reboot and restart the server because it cannot function without it. Client connection to a system server is straightforwar...

Ngày tải lên: 13/08/2014, 08:21

... Classes 205 12 .6 Server Shutdown 213 12 .7 Accessing the Server 214 12 .8 Summary 214 13 Binary Types 217 13 .1 Symbian OS EXEs 217 13 .2 Symbian OS DLLs 218 13 .3 Writable Static Data 220 13 .4 Thread-Local ... Client–Server Communication? 18 3 11 .15 How Many Outstanding Requests Can a Client Make to a Server? 18 6 11 .16 Can Server Functionality Be Extended? 18 6 11...

Ngày tải lên: 14/08/2014, 12:20

... to Symbian OS v6.0, GCC did not support the C++ casting operators. Instead, Symbian OS defined a set of macros that simply used C-style casts for that compiler but at least allowed Symbian OS ... by calling destructor code in the most-derived class first, moving up the inheritance 22 LEAVES: SYMBIAN OS EXCEPTIONS At first sight, it might seem straightforward enough simply t...

Ngày tải lên: 14/08/2014, 12:20

... the ones already provided by Symbian OS. I’ll discuss the use of a framework and plug-ins, a commonly used Symbian OS idiom, in more detail in Chapter 13. Symbian OS has been built as _UNICODE ... values not exceeding 255) because it performs rudimentary zero-padding for narrow to wide conversion and zero-stripping for wide to narrow conversion. Symbian OS provides the char...

Ngày tải lên: 14/08/2014, 12:20

... process. On Symbian OS, the use of active objects for event-handling multitask- ing is ideal because they are designed for efficiency and, if used correctly, to be responsive. In general, a Symbian OS ... RArray classes were introduced to Symbian OS for enhanced performance over the CArrayX classes. They have a lower overhead because they do not construct a TPtr8 for each ar...

Ngày tải lên: 14/08/2014, 12:20

... Error() and WaitForAnyRequest(). By default, the WaitForAnyRequest() function simply calls User::WaitForAnyRequest(), but it may be extended, for example to perform some processing before or after ... brief description of the most fundamen- tal process within Symbian OS, the kernel server process, and the threads which run within it. I’ll restrict the discussion to Symbian OS EKA1 –...

Ngày tải lên: 14/08/2014, 12:20

... DLL (targettype fsy) and must conform to the fsy plug-in interface defined by Symbian OS. More information about the use of framework and plug-in code in Symbian OS, and polymorphic DLLs, can be ... discuss the client–server model only for Symbian OS releases up to and including v7.0s (the code samples in this chapter use the client–server APIs from Symbian OS v7.0). Some of W...

Ngày tải lên: 14/08/2014, 12:20

... media, on hardware. Symbian OS has two types of dynamic link library: shared library and polymorphic DLL. All Symbian OS DLLs built into the ROM are stripped of relocation information to minimize ... hardware and emulator plat- forms, and any differences occurring between EKA1 and EKA2 releases of Symbian OS. The chapter also examined the reasons why no Symbian OS DLL may have...

Ngày tải lên: 14/08/2014, 12:20

... is // omitted for clarity. See Chapter 3 for more information. CCryptoInterface* crypto; for (TInt i =0; i< infoArray.Count(); i++) { // Retrieves default_data for each TPtrC8 dataType = ... panic originated. 15.3 Symbian OS Panic Categories Symbian OS itself has a series of well-documented panic categories and associated error values. You can find details of platform-spec...

Ngày tải lên: 14/08/2014, 12:20

... improve your C++ code on Symbian OS. The chapter covers some of the main features of the Symbian OS coding standards and distils advice that developers working on Symbian OS have found to be most useful. While ... issues specific to Symbian OS, it also has some tips for general good programming style. I used some excellent books on C++ for background information when re...

Ngày tải lên: 14/08/2014, 12:20

... (1999) Exceptional C++ Publisher: Addison Wesley ISBN: 0201615622 Symbian OS on the Internet Symbian Press Website www .symbian. com/books Symbian Developer Network www .symbian. com/developer Symbian Developer ... exported items. On Symbian OS, these items are indexed by ordinal. 13 E32 Collective term for the base components of Symbian OS. ECOM A generic framework in S...

Ngày tải lên: 14/08/2014, 12:20