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Development Programme Windows Mobile.

Mobile phones and small devices are becoming increasingly popular in our society. We all struggle with them every day. We have all phones. Phone or handheld computer tech equipment other

Of these devices, various mobile platforms. The platform is known as Mobile. Windows, iPhone, BlackBerry, Symbian OS, Android, Maemo, OpenMoko, etc. Everyone has a different history and the advantages and failure.

Introduction

The platform is. Windows Mobile, Blackberry, iPhone Off adequate and Limited by these devices and custom. (Blackberry, iPhone) or the development The complex of other problems mentioned above. Even with limited platform API platform. Java for mobile devices has failed, something like one. Very limited; vary APIs strongly dependent on the machine code Symbian and Windows Mobile platforms from that point better than the device supports a wide and the APIs for more options.

This is a common problem with many platforms. Talk about open source and solutions. to say Cross - Platform, we should continue to develop them now, and still unpopular

In this article we will care about us in the platform Windows Mobile.

Microsoft launched the first platform for the Device. Year inbuilt end of 1990, 2002 Platform Windows CE.NET. Showed that time and Pocket PC under Windows. CE 3.0 platform and high in addition to the development of wireless communication technologies and management. Mobile phones and PCs. The Pocket PC 2002 Phone Edition, the display supports the standard. GSM, GPRS, Bluetooth and a wireless network in the same HS. From concept device that is very similar to the above development. But nearby, calls to a personal computer. This device is a smartphone. 2002 basic difference between Smartphone and Pocket PC is a Pocket PC with touch screen, while Smartphone has a control button, you also have a number of supporting different applications and different. Standards and Technology.

Windows Mobile. additional platform to communicate your smartphone and a small personal devices. . Windows CE and Windows platforms, Embedded Systems is different branches are used in.

Now we have Windows Mobile 5 Windows Mobile 6 and Windows Mobile version 7 will be released soon modern equipment from the. Windows Mobile Pocket PC; 500-600 MHz processors with 64-128 MB RAM and at least not for the device.

1 Development Tools.

How many types of development applications. Windows Mobile is.

• Win32 API.
• MFC.
• . NET Framework Compact.

Microsoft Company. To develop the necessary tools for developing applications. PDA, Pocket PC and Smartphone.

Select here Check with the other code type.

• code language to achieve that result from working directly with the hardware. And to reduce the demand for system resources.
• Use code for developing applications. GUI key to the development and use market-Code Management is a good web service made easy.
• Use server side code to work with other devices via a single code. If the Base and channels of communication with the device width is now fixed.

Below you will find tips on current development tools for PDAs, Pocket PCs and smartphones.

4.0 Embedded Visual C + +.

Microsoft Embedded Visual C + + 4.0 development environment to applications for equipment CREATE Windows CE. NET 2.4 operating system, and (with packages updated. SP3) for PDA and smartphone platforms. Windows Mobile 2003 Second Edition Development. Embedded environment. Visual C + + 4.0 is ideal coding and incorporating local mobile for Windows CE. NET 4.2 OS and allows developers to proceed. Just - In - Time Debugging for diagnosis, management exception. On the extension of the debugging process and the interaction with the simulation.

Visual Studio functionality. NET and SDP.

SDP. (Smart Device Programming) function of environment and development. Visual Studio. NET 2003 (2005, 2008) allows applications create the possibility of using Microsoft. NET Compact Framework platform. So you can consider to create distributed computing developers. System works in situations that are connected and not permanently connected to large class library of the platform. NET Compact Framework simplifies the development of much faster with the program. Development tools.

Visual. Studio. NET helps create a program for Pocket PC 2002 device and (with appropriate SDKs). Pocket PC 2003, Smartphone 2005 and 2003, 2005, uses the same tools to develop applications for desktop computers. Library. NET Compact Framework installed with. Visual Studio. NET library is specifically designed for the device to be developed. have limited resources. Developers can also create a new language. C # and Visual Basic. NET for the use of mobile phones and is in the works with Web services and technologies are inbuilt. ADO.NET.

ASP controls. . NET Mobile to expand control function and SDP. . NET Compact Framework Platform offers an opportunity to use them as possible. NET Compact Framework and Visual Studio. NET application development. Mobile Web - on the basis of information on various mobile phones via ASP.NET technology, This method allows one to create the web applications in mobile phones. Visual Studio. NET environment, which will automatically display information for display of the devices. : Mobile smartphones. PDA, Pocket PC development environment for the help. Possible to create a program. mobile web - just by using the controls to the form.

ASP.NET kit system is not on the client device. used to adapt the format as a concrete logical server browser. Will be created in the form of Wireless Markup Language (WML), HTML and Compact HTML (cHTML).

Microsoft SQL Server.

Microsoft. SQL Server Compact Edition (SQL Server CE) is a compact DBMS for rapid expansion of the program. Possibility of working with enterprise data, because the mobile use. SQL Server CE is the syntax tools facilitate the movement of jobs through the support of the use and application and SQL. API interface that can work with. SQL Server.

SQL Server CE fundamental working, especially relational database optimization. Resource handler query, support of transactions and various types of data. - Alleged by the requirements. Remote data and simulation by the convergence. Reliability of the data sent from the base station. SQL Server, the possibility of cooperation with the freedom of information and Coordination with the server. SQL Server CE for the system. Network, Mobile and Wireless

SQL Server CE DBMS was developed for the work. NET Compact Framework with Visual Studio. NET software development, it is easy to create databases on the phone and working New SQL Server CE data provider to manage code in Common Language Runtime environment improved. distensible application to the possibility of working with independent information about the situation by constantly

Microsoft. NET SqlClient API that works for both. . NET Framework and. NET Compact Framework work for common Windows system. SqlClient with Microsoft SQL Server and Microsoft SqlServerCe SQL Server. Compact Edition database for Compact Framework.

Area name SqlClient in both versions. We contact.

• Using. NET Compact Framework SqlClient access to. SQL Server from the device to the desktop.
• The use. NET Compact Framework SqlServerCe direct access to SQL Server Compact Edition on a device.

Working with databases on a device similar. Desktop access to SQLServer desktop system. SQL TCP / IP connections in this case is not required. SQL Server Compact Edition installation.

All these models take the desktop. You can experience their development of programs to use Windows Mobile with Win32 API, we can quickly compact code can be used to develop drivers and system components. . Use of MFC extension function API interface design and development. And the Compact Framework, we sell our well developed. Interface supports automatic garbage collection. XML and other options. While editing the model. - Micro Framework the SDK has fewer functions.

After SDK for MS Visual Studio installed a new set of new features will appear for a meeting under this platform. Set also Emularor for software development and testing of the physical connections between devices and computers.

Devices that are based on. Windows Mobile ARM processor, it is also collecting used units. Other Compiler: AVR32, ARM (RealView) GNUARM, all types of systems.

2 Windows Mobile Building Applications for Windows Mobile-based Devices. MS Visual Studio. NET.

With the Visual Studio development environment. Compact Framework to develop programs with a graphical user interface extensive database collection. And encryption tools, USB, Serial,. Bluetooth and wireless network connection and a telephone. These services, which is a library of SDK and type of platform. Builder

User Interface 2.1.

As a result, a good designer. VS SDK and we can develop GUI for use with mobile phones only. Desktop use They are the elements in a series of graphics for the desktop and for Windows Mobile also differences between the components of the smartphone and Pocket PC version of the Pocket Not from a touch-screen PC and Smartphone, so the development of interfaces for SmartPhone is more complicated. It will be considered if the development takes into account the software be. Platform.

Here we should mention the software for Pocket PC will not start on the platform. SmartPhone, while the reverse situation possible is. - Until now, if a function smartphone called special.

Image as a natural part of most work in full size. Framework is the Windows Mobile SDK to reduce the size of the device SDK. Most items have only left, but the production and the amount of memory, up to the total number of the function SDK is the more the difference between 1.0 and Compact Framework 2.0 Version 1.0 is a set. Very limited.

General development. As the GUI framework ompact? # If similar such as software development. General Win32 C #.

It is also possible to use graphical tools to develop the show. - 3D, they are like GAPI (Game API), OpenGL ES (Embedded Systems). OpenVG (vector graphics) and other projects. Of course, it's pretty intensive processes. Just as important as writing code to the best, because to produce the relatively low mobile devices.

2.2 Communication

To date, various mobile options. Communication facilities. You have access to high-speed wireless network using a standard port. They also use the WiFi 802.11 IrDA, Bluetooth and a host. USB Client / functionality. When using is becoming less of IrDA protocol, the standard of Bluetooth, WiFi, EDGE, GSM, and the frequent use of USB.

Company APIs such as Microsoft.

• ActiveSync API provides the functions and services of other files matching filter.
• API functions to connect Bluetooth wireless Peripherals and mobile phones.
• API Connection Manager provides automatic connection of network connection. Equipment for the administration of the compound to make a connection and provides information on the context, it should. (For example) the Internet.
• Object Exchange (OBEX) API. A powerful functionality. compact binary protocol is suitable for devices is restricted.
• Remote API (RAPI) functionality Calling for the management and methods on the device. These functions are: entry into the database file and the parameters of the device from the system. Desktop - the option that most important. Remote Procedure Call, if we only run method "CeRapiInvoke ()" Send a DLL on the desktop, on equipment and in the name of the function. This DLL is this Method call.
• Pocket Outlook Object Model API provides the functions of the object. Pocket Outlook, it offers interfaces for cooperation and access to the building: task, calendar, contacts.
• Telephony API (annually) are
  • API Help
  • Advanced API.
  • Phone API.
  • SIM Manager API.
  • Short messages. Service (SMS) API.
  • Telephone Service Provider. (TSP) API.
  • Wireless Application Protocol (WAP) API.

Cell phone is available, is working with Port (USB) serial COM port device many many. Usually the first 3-5 of them reserved for IrDA, Bluetooth, Serial port. Other ports for other users. Some USB devices are working - host of others. The is USB On - The - Go (OTG) device, which serve the customers. USB and USB host for this device requires hardware and software (device driver).

Device Driver is a driver that drives the middle class. HOST and extent of use. Such drivers. "Stream Interface" Driver and duties as required.

• Xxx_init.
• XXX_Open.
• XXX_Close.
• XXX_Write.
• XXX_Read.
• XXX_IOControl.

Here "XXX" is replaced by "prefix (for example," COM "," DSK ").

This title registration in the register by the registration. Drivers in detail Device Driver Interface on MSDN.

In addition, APIs, developers are not about people. Communication facilities.

• Device Configuration API.
• Files and Application Management API.
• Game API.
• API Home Screen.
• HTML Control API.
• MIDI API.
• Shell API.
• Speech recognition API.
• Vibration API.
• API recording

2.3 P / Invoke and Language interop.

Compact Framework as the basic functions and the complete

We have a framework, as

• XML serialization.
• Cryptography
• Security
• Reaction
• Service Interop et al.

Certainly calls Platform. Accessible at this - Includes the complete program - we use functions and features of System.Runtime.InteropServices namespace and attribute DllImport details of the function be called by code that does not manage

But the work of these methods is limited. General class has PtrToStructure, GetComInterfaceForObject, Copy () and read () function but no function as such. GetDelegateForFunctionPointer () on it, so it is impossible. Marshalling is the representative function GetFunctionPointerForDelegate. If only available. If we want to send the pointer to the function of the code. We should be managed. FunctionPointer. And only then send for a call to unmanaged code as Results are. We can not send some material. Compact Framework can not be counted because SizeOf () for some objects. Data type is common. Blitable only an array of this type. (Int, byte, char, but not blue) transmit and receive and with the course structure. IntPtr course explains the mission to increase efficiency. Therefore recommends Categories for marshaling and Soil GCHandle "for the storage of objects. In the process of memory and this memory "The managed code.

Of course performance. P / Invoke calls from C # with C + + DLL almost twice less than the work of the line between C + +, but the performance of the devices that are growing and it possible to use these lines.

2.4 Debugging.

MS Visual Studio enables debugging of the program.

Windows Mobile stand-alone Program. We have Desktop Emulator, Device Emulator Manager and others as a breakpoint to work. Topics, panel clocks, etc.

But to make. Debug using the same language and the administration is impossible. It is possible to start the project. C + + or complementary business lines, "Attach Process" is the possibility of Attaching to the process equipment. (Or is the model). ActiveSync. Need to provide equipment and systems are installed between the communication. SDK Model can also connect to a computer. ActiveSync our complete model of the device. Windows Mobile Smartphone and Pocket PC here (or pocket. The PC Phone Edition) Emulators only Windows Mobile devices can be Connected to the computer at a time. Debug has two such devices, which interact with each other in some ways very difficult. We speak only debug programs. Developed by us is not about support and service system. For debugging, we have within the system created by. Platform Builder (the last version of the platform. Builder is included in Visual Studio), we can create SDK for Visual Studio and our platform. Windows CE.

Model helps to imitate well. GPS and GSM network support allows the testing and development of large waves without the use of physical devices in the hand.

Debug talk about the IDA. We should mention that version 5.1 and have the ability to perform troubleshooting by this dialogue. Disassembler using their plug-ins installed on the device are.

With the SDK looks like an option. "Deploy" appears in the environment. Visual Studio now has a list of "Deploy" other projects in the context menu "Create". "Clean", "debug" after you select this menu item. created DLL or EXE file from the current configuration is sent to the device. The new column will appear in the form. Manager not only the "build" a few options. But "deploy deployment. . NET project to send not only. But the unit. Created with him (and more).

3 to operate and install

Developing applications for Windows Mobile is also collect and create the installation. Packaging of an idea like this? abinet (. cab file) in Windows Mobile is an online shop. But the package is installed. (Sort of. Msi package) Cab gathered information from. Wizard (cabwiz.exe) from MS Visual Studio (or from the command line) to build this building. Processor "Dependency". cab file and start sending WinCEApplicationManager. CAB install on the device so that users using the instructions on the screen the computer display. You can also create a project. MSI, including the installation of the CAB file. Visual Studio package will begin on the user's computer to send and Installing it. AB? Device to continue the installation.

The uninstall is a special equipment. You should install INI - file to file CAB. INI file contains configuration management processes, such as route installation. To create a small version of the operating system and install another one to write a special syntax. You may also be included. DLL to your CAB file to install the extension options. This DLL is responsible for such "Installer_AfterInstall", "Installer_BeforeInstall. "," Installer_AfterUnInstall "," Installer_BeforeUnInstall "code, to run on these devices at certain times of the installation or removal process to operate.

When the installation CAB is possible to develop systems. Resource files in different units complete the registration. You are in output "project You have nothing set in accordance with established CAB file is not created: to keep all your files and programs and in its archives.

4 Security Model for Windows Mobile 5 Windows Mobile 6

Windows Mobile devices on the transmission and analysis of important information that may occur, protected from the use of unsafe should be to protect the devices from the access for the disabled in mind some disabled API is limited and not some registry changes. Units can be trusted marked and not trustworthy and will use this information to prevent from unauthorized use and adapt. To access the system. To access the system. RAPI (Remote API) via ActiveSync Certificate you to restrict the rights of the safety and security for the unit. (EXE, DLL) and the CAB file

Protection threats and risks.

The following options to protect equipment.

• Strong password protection.
• Protection Code
• Remove the damaged equipment to block access. (WM 6).
• Remove damaged equipment. The memory card to prevent access to. (WM 6).
• Encryption, storage, and Advanced Encryption Standard for SSL (WM 6).
• With their cards.
• Monitoring devices via Bluetooth. · Protected (WM 6 smartphone).
• Second floor of the system startup programs. (A-layer and access layer).
• The macros are not supported. Viruses can be very dangerous.

Getting started on the right page. Windows Mobile devices like the format.

• Privileges.
• Normal
• Blocked.

Employed with access to wide, you can access the API in protected areas and in women written. Full access to the system.

Most programs in the form of regular, you have no access to the API. No reliable and complete Control over the system.

The application can run at all if the "status blocked". Means that a valid certificate or ban users have signed start with the appropriate Warning System.

Situation is similar. Cab file, the status unit is, they normal. Dll, but they are as normal work. But with the right device can not start operating unit whose status is normal.

Posted by: Eugene Kordin experts. Apriorit.

Learn more about the development. Process Apriorit. here

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