HireVietnamese iPhone Training

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iPhone Training
Lesson 2

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Contents
1 iPhone UI Design Considerations
2 Application Layout
3 iPhone UI Element Overview
4 Example 2
5 Exercise 2
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iPhone UI Design Considerations
 The iPhone is not a desktop system.
 The Apple iPhone is a powerful smart phone that is
being used to improve the productivity of user. To
design simple, successful iPhone app user interfaces,
keep in mind the unique attributes of the iPhone.
 Eat with it, sleep with it, drink with it, live with it.
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iPhone UI Design Considerations
 Small Screen
 Limit the number of controls
 Break a single complex app into two or more
apps with very different functions.
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iPhone UI Design Considerations
 One screen at a time
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iPhone UI Design Considerations
 One app at a time(iOS < 4)
 Save user-entered data immediately.
 Show the saved data the next time users
open the app.
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iPhone UI Design Considerations
 Hand/Finger Input
 UI Elements must be big enough to hit with a
finger.
 Finger tapping means the pointer can just
disappear. Rollover effects don’t work well.
 Multi-touch events
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iPhone UI Design Considerations
 No External Keyboard
 No physical keyboard on iPhone.
 On-screen keyboard appears when needed.
 Multi keyboard types are available.
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iPhone UI Design Considerations
 Device Orientation
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iPhone UI Design Considerations
 Device Orientation
 Applications are notified when device rotates portrait to landscape and
back.
 Can also find absolute orientation.
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iPhone UI Design Considerations
 No training
The strongest asset of the iPhone is its ease of use. The simple user
interface usually allows users to get their tasks done without training or
reading online Help.
Analyze your users, their needs and design a very simple, intuitive user
interface that allows users to operate your app without training or Help
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Application Layout
 Tab Bar Control
Tab control always
visible
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Application Layout
 Tab Bar Control
Use in:
 Applications with different models.
 Applications with different subtasks related to the overall app function.
Many standard icons are provided.
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Application Layout
 Navigation Bars
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Application Layout
 Navigation Bars
 Like navigating a web site.
 Start with high-level general view.
 “Back” buttons automatic.
 Changes are animated.
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Application Layout
 Table Views
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Application Layout
 Table Views
 Single column only.
 But custom cells can offer more flexibility.
 Can use multiple custom cell types in the same table.
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Application Layout
 Toolbars
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Application Layout
 Toolbars
 Provide quick access to common actions.
 Usually at the bottom in the iPhone Apps .
 Many standard icons are provided.
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iPhone UI Element Overview
 Switch control
 iPhone version of a checkbox control.
 Change states on tap or drag.
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iPhone UI Element Overview
 Segmented control
 iPhone version of a radio buttons.
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iPhone UI Element Overview
 Pickers
 Another way to have users select
from a list of values.
 Can have multiple columns.
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iPhone UI Element Overview
 Activity Indicators
 If you need to show one for very
long.
 The system provides standard
network activity indicator in status
bar.
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iPhone UI Element Overview
 Alert Views
Use in:
 When user has more than one option for an action.
 When you need to confirm an action.
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Example 2
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Exercise 2
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