By Suzanne Ginsburg
With over 150,000 apps within the App shop, it has turn into more and more hard for app designers and builders to distinguish their apps. the times are long past while it used to be attainable to crank out an app over the weekend and refine it after receiving a number of now not so flattering consumer reports. clients now have offerings -- plenty of them. in the event that your app is hard to exploit or doesn’t meet their wishes, discovering one other one is simply a faucet away.
to demonstrate, give some thought to the ever-growing box of Twitter consumers. There are 1000's of diversifications within the App shop yet just a handful stand proud of the pack (such as Tweetie or Twitterific). for many apps, it boils all the way down to something: the consumer adventure. an analogous is right for numerous different different types in the App shop; well-designed apps usually tend to allure and continue clients. after all there are different serious points of iPhone app improvement: the coding, the promoting, the client aid. the entire components needs to come jointly.
Designing the iPhone consumer event may help you take on the consumer adventure a part of the iPhone problem. 3 key topics should be bolstered through the ebook: recognize thy person, the layout Lifecycle, and a focus to aspect:
- Know Thy consumer thousands of individuals depend upon iPhone apps to get them to paintings, locate their subsequent meal, and remain in contact with friends and family. pros of every kind additionally depend upon iPhone apps: medical professionals search for drug interactions; photographers fine-tune lighting fixtures; cyclists locate the easiest routes. to really know how your apps can healthy into their lives, designers and builders needs to learn the way clients do issues this day, what’s very important to them, and what wishes haven't been met. half II, advent to person examine , will introduce numerous person examine equipment.
- The layout Lifecycle Award-winning designs not often ensue in a single day; and they simply happen after many rigorous layout cycles. to demonstrate this aspect, ponder united states modern iPhone program, which went via at the very least seven iterations for the thing view of their app. these types of iterations may still ensue sooner than you release your app, because it will shop invaluable money and time, let alone the complications a nasty layout may perhaps create to your person. extra importantly, you could purely have one probability to provoke your clients -- you do not need to promote them half-baked rules. half III, constructing your App notion , will clarify the right way to iteratively layout and try out your app ideas.
- Attention to aspect so much pros recognize that focus to aspect is critical, yet hundreds of thousands of apps fail to include even the main uncomplicated layout ideas. This loss of realization isn't basically a cultured factor (which is necessary) it additionally impacts the way in which apps functionality. for instance, a information article with out right alignment may be tricky to learn, and a poorly rendered icon could be not easy to interpret. Apps with a razor sharp awareness to element will stand out simply because their apps will glance stable and practice good. half IV, Refining your App proposal , will provide help to make for your app shine, from visible layout and branding to accessibility and localization.
learning those 3 parts might help set your app except the group. you could now not have an award-winning app over evening. yet understanding your clients, iterative layout, and a spotlight to element are vital first steps.
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Extra info for Designing the iPhone User Experience: A User-Centered Approach to Sketching and Prototyping iPhone Apps
Inconsistent gesture usage can lead to frustration, confusion, and usability problems. Users may generate more errors, take longer to complete tasks, and even wonder if your app is broken. 1 T h e ¡ P h o n e ' s G e s t u r e s to the element. Chapter 12, "Accessibility and Localization," discusses this topic in more detail. Gesture Action Tap To select a control or item (analogous to a single mouse click) Drag To scroll or pan (controlled; a n y direction; slow speed) Flick To scroll or pan quickly (less controlled; directional; faster speed) Swipe Used in a t a b l e - v i e w r o w t o reveal the Delete button Double Tap To zoom in and center a block of content or an image To zoom out (if already z o o m e d in) Pinch Open To zoom in Pinch Close To zoom out Touch and Hold In editable text, to display a m a g n i f i e d v i e w for cursor positioning Also used to cut/copy, paste, and select text CUSTOM GESTURES Apps sometimes include custom gestures to support an interaction not explicitly available in the iOS.
3 4 CHAPTER 2 • IPHONE DEVICE OVERVIEW CI canwi Audio Specifications Frequency response: 20Hz to 20,000Hz Audio formats supported: AAC (8 to 320 Kbps), Protected AAC (from iTunes Store), HE-AAC, MP3 (8 to 320 Kbps), MP3 VBR, Audible (formats 2,3,4, Audible Enhanced Audio, AAX, and AAX+), Apple Lossless, AIFF, and WAV Summary The iPhone contains a variety of technologies that enable you to develop compelling user experiences. Some of these, such as the multi-touch display, are relatively new to the mobile space, while others, like the camera, have been built into phones for more than a decade.
3 0 ) . Of Cameras and ¡Phones In addition to offering two separate cameras (front- and rear-facing), the iPhone 4 offers significantly new features over the iPhone 3GS's camera, as noted in this table: Model Camera Video Graphics Card iPhone 3GS 3 megapixel w i t h t a p - t o - f o c u s 30fps PowerVR S G X 535 iPhone4 5 megapixel w i t h t a p - t o - f o c u s Rear C a m e r a : 7 2 0 p H D @ 30 fps Apple A 4 , incorporating Front C a m e r a : Standard V G A @ 3 o f p s the PowerVR S G X 535 STILL AND VIDEO CAMERAS 31 Ban Francisco, California 94109 Directions to Business Call (413)771-3100 r ; Add QUICK Tip FIGURE 2 .
Designing the iPhone User Experience: A User-Centered Approach to Sketching and Prototyping iPhone Apps by Suzanne Ginsburg