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Windows Phone app dev note

wpbuildtarget
Build target:

  • Windows Phone OS 7.1 – can run on WP7.5 to WP8 devices
  • Windows Phone OS 8 – can run on WP8 devices only

Visual Studio 2010 supports Windows Phone OS 7.1 (Silverlight 4)
Visual Studio 2012 supports Windows Phone OS 7.1 & 8 (Silverlight 5)

Compatibility:

  • If build target is WP OS 7.1, can only use API from SDK 7.1, can’t use new API from SDK 8 even when compile with the latest SDK. Either to use WP7Toolkit or reflection method to be able to access SDK 8 API
  • If build target is WP OS 7.1, only support WVGA screen resolution only, and only WP OS 7.1 tile
  • If build target is WP OS 8, can only run on WP8 devices – so, to to support more WP devices, need to compile 2 xap files for both build target

App Icons

  • Windows Phone OS 7.1 = 62 x 62 PNG
  • Windows Phone OS 8 = 99 x 99 PNG

Tile Icons

  • Windows Phone OS 7.1 = 173 x 173 PNG
  • Windows Phone OS 8 (Ref. about tile sizes & templates)
    • 3 sizes – small (app list), medium & wide (start screen)
    • 3 templates – flip, cycle & iconic
  • Small
    • flip & cycle: 159 x 159
    • iconic: 110 x 110
  • Medium
    • flip & cycle: 336 x 336
    • iconic: 202 x 202
  • Wide
    • flip & cycle: 691 x 336

App image for windows phone store = 300 x 300 non-transparent png

Splash images.

Windows Phone OS 7.1

  • WVGA = 480 x 800 – SplashScreenImage.jpg

Windows Phone OS 8

  • WVGA = 480 x 800 – SplashScreenImage.Screen-WVGA.jpg
  • WXGA = 768 x 1280 – SplashScreenImage.Screen-WXGA.jpg
  • 720p = 720 x 1280 – SplashScreenImage.Screen-720p.jpg

Notes

  • If compiled with target Windows Phone OS 7.1, it only support WVGA screen resolution, when displayed on 720p, will have extra padding on top of the app

Categories: Notes

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1 Comment

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