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Android 4.0 UI Design Tips

  1. 1. Android 4.0 UI Design Tips Justin Lee
  2. 2. Evolution of Android Android 2.3 Android 3.0 Android 4.0 Gingerbread Honeycomb Ice Cream Sandwich
  3. 3. One OS for Smartphones & Tablets
  4. 4. Topics Major UI Changes Design Patterns Do and Don’t
  5. 5. Major UI Changes
  6. 6. Fight for Fragmentation
  7. 7. Android is not easy to learn http://www.pocket-lint.com/news/40615/78-android-tips-beginners-set-up
  8. 8. Inconsistent hardware buttons is a big problem
  9. 9. ICS drop hardware buttons screen Gingerbread ICS
  10. 10. Software Buttons are dynamic Landscape Left Landscape Right
  11. 11. Back Home Recents
  12. 12. What’s missing?
  13. 13. Menu Button
  14. 14. Menu button is NOT longer a primary button Gingerbread ICS
  15. 15. Quiz: How to goto settings page?
  16. 16. Not to many people can get it by themselves
  17. 17. ICS make the menu much more easy to find
  18. 18. The menu button in legacy app still available on ICS
  19. 19. But it’s time to say goodbye http://android-developers.blogspot.com/2012/01/say-goodbye-to-menu-button.html
  20. 20. Migrate the global actions to the action bar & action overflow Old New
  21. 21. Split action bar for contextual actions Old New
  22. 22. Backwards compatibility Legacy hardware Legacy software http://developer.android.com/design/patterns/compatibility.html
  23. 23. Back Button
  24. 24. The behavior of back button is inconsistent from user’s POV ?
  25. 25. In app navigation is much more predictable
  26. 26. Home Button
  27. 27. Home button perform too many functions before ICS tap tap long press
  28. 28. The only function of home button on ICS is going home
  29. 29. How to goto a recent app?
  30. 30. Recents Button
  31. 31. Tap recents button to show recent app list
  32. 32. The new recents screen tap to switch swipe to remove
  33. 33. Long press gesture changed Old New Open contextual menu Select the item
  34. 34. App UI Design Patterns
  35. 35. Common App UI 1.Main Action Bar 2.View Control 3.Content Area 4.Split Action Bar http://developer.android.com/design/get-started/ui-overview.html
  36. 36. General App Structure Top level views Category views Detail/edit view
  37. 37. New in ICS 1.Navigation Bar 2.Action Bar 3.Multi-pane layouts 4.Selection http://developer.android.com/design/patterns/new-4-0.html
  38. 38. Navigation Back Up system & in-app In-app navigation navigation http://developer.android.com/design/patterns/navigation.html
  39. 39. Swipe Views Swiping Between Detail Views Swiping Between Tabs http://developer.android.com/design/patterns/swipe-views.html
  40. 40. Action Bar 1.App icon 2.View Control 3.Action Buttons 4.Action overflow http://developer.android.com/design/patterns/actionbar.html
  41. 41. Split Action Bars 1.Main action bar 2.Top bar 3.Bottom Bar http://developer.android.com/design/patterns/actionbar.html
  42. 42. Multi-pane layouts Smartphone Tablet http://developer.android.com/design/patterns/multi-pane-layouts.html
  43. 43. Selection Contextual action bar Long press on an item in list to select Dynamically adjust CAB actions http://developer.android.com/design/patterns/selection.html
  44. 44. Notifications http://developer.android.com/design/patterns/notifications.html
  45. 45. Do and Don’t
  46. 46. Do make the large, obvious tap targets Touchable UI components are generally laid out along 48dp units. http://www.slideshare.net/AndroidDev/android-ui-design-tips http://developer.android.com/design/style/metrics-grids.html
  47. 47. Do use screen density independent units (dp) not density independent (px) density independent (dp) http://developer.android.com/guide/practices/screens_support.html
  48. 48. Do create versions of all resources for high density screens http://developer.android.com/design/style/devices-displays.html
  49. 49. Do properly handle orientation changes Stretch/compress Expand/collapse Stack Show/hide http://developer.android.com/design/style/devices-displays.html
  50. 50. Do follow Android icon guideline Launcher Launcher Action Bar http://developer.android.com/design/style/iconography.html
  51. 51. Don't mimic UI elements from other platforms Android iOS Windows Phone 7 http://developer.android.com/design/patterns/pure-android.html
  52. 52. Don't mimic UI elements from other platforms Android iOS Windows Phone 7 http://developer.android.com/design/patterns/pure-android.html
  53. 53. Don't use bottom tab bars http://developer.android.com/design/patterns/pure-android.html
  54. 54. Don't use labeled back buttons on action bars http://developer.android.com/design/patterns/pure-android.html
  55. 55. Don't use right-pointing carets on line items http://developer.android.com/design/patterns/pure-android.html
  56. 56. Question?
  57. 57. Thank You!

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