... thuật Bluetooth so sánh Bluetooth với vài côngnghệ không dây khác Chương Vấn đề antoànbảomật Bluetooth: Phân tích vấn đề antoànbảo mật, hacking, virus, giảiphápbảomậtBluetooth Chương Các ... Mosquito Trojan 125 3.2.3.18 Skulls – A 126 3.2.3.19 Skulls- B 128 3.3 CácgiảiphápantoànbảomậtsửdụngcôngnghệmạngBluetooth 129 3.3.1 Những mẹo antoàn cho ... Một số thuật ngữ sửdụng luận văn 223 PHỤ LỤC B : Hướng dẫn sửdụng chương trình PbkExchange 227 Sửdụng ứng dụng PbkExchange điện thoại : 227 Sửdụng ứng dụng PbkExchange máy tính :...
... Thái An – Trần Thị Mỹ Hạnh 128 Tìm hiểu côngnghệBluetooth viết ứng dụng minh họa 3.3 CácgiảiphápantoànbảomậtsửdụngcôngnghệmạngBluetooth 3.3.1 Những mẹo antoàn cho thiết bị Bluetooth: ... hiểu côngnghệBluetooth viết ứng dụng minh họa Chương BLUETOOTH VÀ SYMBIAN: LẬP TRÌNH SỬDỤNG GIAO TIẾP BLUETOOTH TRÊN SYMBIAN VỚI C++ 7.1 Giới thiệu 7.1.1 Các ứng dụngBluetooth thiết bị sửdụng ... Thái An – Trần Thị Mỹ Hạnh 140 Tìm hiểu côngnghệBluetooth viết ứng dụng minh họa Phần HỆ ĐIỀU HÀNH SYMBIAN Để minh họa cho việc sửdụngcôngnghệ Bluetooth, chúng em xây dựng ứng dụng nhỏ có sử...
... Điều khi n luồng Không Có Ít Nhiều Bảomật 173 Sưu t m b i: www.daihoc.com.vn Bảng 7.3 1.5 Khi nên sửdụng UDP Rất nhiều ứng dụng Internet sửdụng UDP Dựa ưu nhược điểm UDP kết luận UDP có ích khi: ... thường xuyên, điều đảm bảo gói tin đến đích thứ tự mà tạo Bảomật TCP có tính bảomật cao UDP Trong nhiều tổ chức, firewall router cấm gói tin UDP, điều hacker thường sửdụngcổng UDP Kiểm ... sửdụng tín hiệu handshaking, nên tránh thời gian trễ Đó lý DNS thường sửdụng giao thức UDP TCP-DNS chậm nhiều dùng TCP Tốc độ UDP nhanh so với TCP Bởi điều này, nhiều ứng dụng thường cài đặt...
... [UIView beginAnimations:nil context:NULL]; [UIView setAnimationDuration:1]; [UIView setAnimationTransition:([mainView superview] ? UIViewAnimationTransitionFlipFromRight : UIViewAnimationTransitionFlipFromLeft) ... First, Second, and Third, rather than providing any useful clue as to a button’s purpose You can change three things on each button to improve their usability: the icon, the title, and the badge ... by Apple while only managing the responses You get the advantage of lots of programming (and a standardized interface), and you don’t have to much yourself Whenever you want to display a modal...
... you’re dynamically changing your image If you want to create a set of images to animate, it’s useful to take advantage of the other UIImageView methods and properties You can load an array of images ... other than the whole screen You can even layer multiple images by using multiple UIImageViews This all starts to get unwieldy pretty quickly, though, and you can’t anything fancier, like transforming ... properties and methods of note for UIImageView Method or property Type Summary animationDuration Property Specifies how often an animation cycles animationImages Property Identifies an NSArray...
... addAnimation:opAnim forKey:@"animateOpacity"]; CGAffineTransform moveTransform = CGAffineTransformMakeTranslation(200, 200); CABasicAnimation *moveAnim = [CABasicAnimation animationWithKeyPath:@"transform"]; ... animationWithKeyPath:@"transform"]; moveAnim.duration = 6.0; moveAnim.toValue= [NSValue valueWithCATransform3D: CATransform3DMakeAffineTransform(moveTransform)]; [plane.layer addAnimation:moveAnim forKey:@"animateTransform"]; ... opacity, position, transform, and several others This means that you can use Core Animation to animate the position of an object, its color, its transparency, and also its CGAffine transformations Before...
... you can with an NSURLRequest You can hand it off to a UIImageView, or you can use it to read in the contents of a web page, to later manipulate it by hand 20.3.3 Manipulating HTML data by hand ... initWithString:relativeToURL: 400 CHAPTER 20 The web: web views and internet protocols Once you’ve got an NSURL in hand, you can any number of things with it: ■ ■ ■ You can pass it on to functions that require a bare ... (Extensible Markup Language) is a generalized markup language whose main purpose is to deliver data in a well-formed and organized way It has some similarities to HTML, and an XML version of HTML...
... Data that can be changed NSMutableDictionary NSDictionary A dictionary that can be changed NSMutableSet NSSet A set that can be changed NSMutableString NSString A string that can be changed NSMutableURLRequest ... important object for debugging; logs a formatted string to the system log NSMutableArray NSArray An array that can be changed NSMutableCharacterSet NSCharacterSet A character set that can be changed ... member can just create a CSR, download a certificate, and download a provisioning profile From that point, the member can choose to compile onto a device rather than to the iPhone Simulator by changing...
... can be set by hand as part of a web page design, forcing a page to scale either more or less when it’s translated onto the iPhone However, for any web page without an explicit viewport command, ... Passwords and other connection details are saved on the iPhone, which automatically reconnects to a known network whenever it can Switches to and from local wi-fi networks are largely transparent and ... uses the Bluetooth 2.0+EDR protocol Enhanced Data Rate (EDR) allows for a transmission rate about triple that of older versions of Bluetooth (allowing for a 3.0 Mbit/s signaling rate and a practical...
... tool for the job at hand 2.3 Advantages and disadvantages Each of the web and SDK development models has its own advantages and disadvantages We’ve summarized the biggest advantages for each model ... from the iPhone App Store, and thus it’s a great way to attract many more users Dynamism Hand in hand with that is the fact that you can literally update your program at any time You don’t have ... iUI, and Canvas We hope you’ll keep reading from there, as our material on the SDK is all quite introductory, and even if you’ve never worked with a compiled programming language, you can use...
... ways to change it First, any web page served on a mobi domain and any web page containing mobile XHTML markup automatically uses an alternative default viewport of 320 pixels Second, you can purposefully ... nothing official In the meantime, the WebKit and Canvas offer some weak alternatives for animation, as described in chapters and Java Sun announced plans to support Java on the iPhone in 2008, ... iPhone: drags and hovers Thus, you can no longer allow click and drag (because the iPhone instead uses that gesture for its scrolling) and you can no longer test when the mouse moves over an area (because...
... stuff, starting with a variety of advanced CSS methods that you can use to manipulate and animate the content of your web page 4.2 CSS transforms, transitions, and animations One of the most innovative ... 30 degrees and tion that we’re going to talk about translated percent along each of the X and Y axes 61 CSS transforms, transitions, and animations 4.2.2 The transition function A transition is ... about transitions is that they can be used with that other new WebKit feature we just discussed: transforms TRANSITIONING TRANSFORMS By putting together transforms and transitions, you can create...
... Ajax stands for Asynchronous JavaScript and XML It’s a technology that can be integrated into web pages, but it’s more a set of techniques than an actual language It combines JavaScript and XML ... and row (see listing 5.7) These classes are meant to mimic the Settings page found on your iPhone, with its rows of options that you can change Listing 5.7 Panels, rows, and toggles forming another ... being labeled ON and OFF, but you can modify that however you want The toggle class is managed by an onclick JavaScript event handler The example includes return;, but you’ll want to instead call...
... the rhombus angle, with the result being an animated rhombus that starts off as a square (angle = π radians) and then collapses down toward a line (angle = 5π radians) Clearly, other animations ... one shape in the standard Canvas library, and that’s the rectangle Beyond that, you can write your own functions to draw other shapes 6.3.1 Drawing rectangles You can draw rectangles in three different ... Moves the canvas origin to x,y rotate Transformation method angle Rotates the canvas by angle scale Transformation method xmult,ymult Scales the canvas x in width, y in height This is another area...
... ABOUT THE CANVAS Dashcode’s development canvas is the right panel of the main page It’s simple and easy to use You can manipulate graphical objects there by dragging them around, and the canvas will ... individual Dashcode objects which can be of relevance when the iPhone’s orientation changes and the size of the objects need to change Text —Changes fonts, colors, spacing, and other text-related settings ... Dashcode canvas Adjust the gauge Pop up an inspector window and click on the Attributes tab In the Values section, change the range to go from to 359, to allow the full range of values Change the...
... can have a fully featured desktop browser sitting next to an iPhone Simulator With the first, you can easily look at source and use any number of development tools, and with the second you can ... functions, a variety of validators, and a lot Figure 8.2 Firefox (left) and Safari (right) both include JavaScript error consoles that you can use to debug Canvas and any other JavaScript work you’re ... them and what they mean is as important to writing iPhone code as the actual features and functions we’ve been discussing An always-on internet is the thing that allows us to write web apps, and,...
... they support inheritance That means that you can subclass an existing class Your subclass starts off with all the default variables and methods for its parent class, but you can now supplement ... teach you how to program in C If you want more information on that, the definitive reference is The C Programming Language, Second Edition, by Brian W Kernighan and Dennis M Ritchie (Prentice Hall, ... the next chapter) 9.1.1 Declarations and typing C is generally a more rigorous programming language than some of the casual languages found on the web That means there’s a bit more time spent saying...
... Sometimes you’ll want to send an argument with an init You can so with an initialization function that you name using the format initWithArgument: Other than the fact that you’re sending it an argument, ... other new element: we’ve started it with a – That means that this is an instance method, which is a method that can only be used by an instance object Its opposite number, which is marked with ... First, you allocate memory for the object, and then you initiate any variables and perform any other setup The precise manner in which this is done can vary from class to class It’s usually a...
... program are all pretty simple and standard First, you connect your label and your window by using the window’s addSubview method F This is a standard (and important!) method for adding views ... you can so in one of three ways You can just click the program’s button, which should now appear in your Simulator Or, you can choose Run > Run from within Xcode Finally, you can choose Build and ... useful elements, in particular an Errors and Warnings item that you can click open to quickly see any problems in your compilation The top-right pane contains an ungrouped list of files used by your...
... position of an object Figure 12.5 shows the options you can change here This tab leads off with values for size and position Not only can you change an object’s starting point, but you can also define ... you want to change the name of your label, double-click it; you’re given the option to fill in your own text You can similarly move and resize most objects using the main window If you want to ... that most graphical objects inherit You can change alpha transparency, background color, and a number of Figure 12.4 The Attributes tab shows all of an item’s basic information 212 CHAPTER 12...