Programming the iPhone User Experience phần 1 docx
Programming the iPhone User Experience docx
... from the
user interface objects in UIKit. In other words, Foundation is the gateway to everything
not explicitly part of the user interface. As you’ll see in this book, user experience
programming ... about the holistic user experience. How can applications work
together to create a complete toolset for a mobile user?
The aspect of applications working together to prov...
Programming the iPhone User Experience ppt
... and the devices that run the iPhone OS.
Chapter 2, The Mobile HIG, gives an introduction to the Human Interface Guidelines
and elaborates on the most important concepts in the iPhone user experience.
Chapter ... record, let them know the outcome. If
they’re searching for records and the operation moves beyond a single pass through
the event loop, let them know how t...
Designing the Mobile User Experience phần 1 pps
... 17 7
10 .1 User Requirements 17 7
10 .1. 1 User Types 17 8
10 .1. 2 User Goals 17 9
10 .1. 3 Devices 17 9
10 .1. 4 Key User Needs 17 9
CONTENTS ix
10 .2 Product Requirements 18 2
10 .2 .1 Features 18 3
10 .2.2 ... 7
2 Mobile Users in the Wild 9
2 .1 Mobile User Characteristics 10
2 .1. 1 Mobile 10
2 .1. 2 Interruptible and Easily Distracted 12
2...
Designing the Mobile User Experience phần 4 docx
... which
states that the time to acquire a target is a function of the distance to
the target and the size of the target. The further the target is away from
the user s current position, the longer it ... to the experience at any time. There
is also of course a market logic for providing mobile users with the
features they typically associate with information devices....
Designing the Mobile User Experience phần 7 docx
... open
formats.
The mobile application value chain includes the user, the device
in the user s hand, the technologies on the device, the connectivity
to the web, services enhancing the connection, ... but
should have the same core user interface.
The fact that users cannot pick up the device to use it will affect
their comprehension of the application and their p...
Programming the iPhone User Experience phần 1 docx
... . . . . . . . 14 7
Billboards 14 7
Sleight of Hand 15 0
Bullhorns 15 2
App As OS 15 5
Spin Zone 15 7
The Bouncer 15 7
Gesture Hijacking 16 0
Memory Lapse 16 1
The High Bar 16 3
Sound Off 16 4
Index . . ... 98
Sliders 10 3
Tables and Pickers 10 6
Search Bars 10 9
Segmented Controls 11 1
Scrolling Controls 11 4
Tables and Embedded Controls 12 0
Passive Indicators 12 1
Acti...
Programming the iPhone User Experience phần 2 doc
... button. These concrete in-
terfaces are outside the scope of Cocoa Touch programming, but are notable in the
overall UX (user experience) of the devices.
From the point of view of user experience ... nonconformance with the HIG. Break the rules at your own peril, and
choose your battles wisely without giving up on a compelling user experience.
Provide One User Experi...
Programming the iPhone User Experience phần 3 ppsx
... consider the most desirable user experience: the user is completing a task without
focusing fully on their mobile device. Think about a user walking down the street, or
on the subway, using an iPhone ... encounter when creating new iPhone
projects. The first is the simplest: the UIViewController. The next is the UITableView
Controller. The final view controller...
Programming the iPhone User Experience phần 4 docx
... the change. Apple
could then push the notification to related devices, with the result being that the iPhone
OS could add a numeric badge graphic to the application icon on the Home screen. The
numeric ... over
HTTP.
5. When the expensive, asynchronous HTTP request completes, the application dis-
plays the result in place of the cached view. Undimming the user inte...
Programming the iPhone User Experience phần 5 ppt
... handled by the view hierarchy, the hitTest:withEvent: message
is sent to the topmost UIView in the view hierarchy that can handle the touch event.
The top view then sends the pointInside:withEvent: ... require precision when users drag a
view around the screen, you can improve the user experience by positioning the element
slightly above the touch instead of centerin...
Programming the iPhone User Experience phần 6 docx
... between views animates the more
specific view in from the right, while the less specific view moves out toward the left.
Moving back up the hierarchy animates the views in the other direction.
Navigation ... responds to user interaction.
The UIControl class is the foundation for all of the standard buttons, switches, and
sliders. Figure 7 -6 shows the UIControl class...
Programming the iPhone User Experience phần 7 potx
... scrollRectToVisible:CGRectMake((320.0 * i), 0.0, 320.0, 422.0)
animated:YES];
}
@end
Figure 7- 17 shows the example running in the iPhone emulator.
Figure 7- 17. Example use of segmented control for pagination
Standard Control ... Dragging a finger
across the screen slowly scrolls the content in the scrolling view in parallel. Quickly
flicking across the screen will throw t...
Programming the iPhone User Experience phần 8 docx
... indication of the object assigned to the cell. Users can get
additional information for each row by tapping the row. When a user taps the row, an
event is sent to the delegate of the table, which ... can use the Outbox meta-
phor to address the natural separation of functionality: the user composes content, and
the user transfers content. The two functions aren’t n...
Programming the iPhone User Experience phần 9 pps
... given the justification
that it’s all in service to a better user experience.
Figure 9- 9 shows the Shovel application, a client for Digg. The developers present users
with the option to open the ... control
taking the place of the button they are tapping.
Figure 9- 5 shows the sleight of hand anti-pattern in the Facebook application. Tapping
the “Photos of Toby” ite...
Programming the iPhone User Experience phần 10 ppt
... assumes that the user is familiar with the
purpose of the application and either has or knows how to attain credentials to use the
application.
Figure 9-12. The welcome screens for the LinkedIn ... disability.
Sound Off
The direct ancestor of both the iPhone and the iPod Touch is the iPod. Apple has taken
great care to ensure that both devices continue the legacy of...
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