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Page 2: Mobile Design in the Weeds @MobdUP

@philohme mobilemojitos.com

What do you want to get out of this workshop?

• What are some words you use when in the “weeds”?• Pixels

• AppStore submission

• AppStore rejection

• Detailed horror stories

• Platform use of audience (phone):• iPhone - 90%

• Android - 10%

• Windows Phone - 0%

• Blackberry - 0%

• Feature Phone - 0.01% (1 person)

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Page 19: Mobile Design in the Weeds @MobdUP

@philohme mobilemojitos.com

What the heck is “dp” though?

• Density-independent pixel (dp)

• A virtual pixel unit that you should use when defining UI layout, to express layout dimensions or position in a density-independent way.

• The density-independent pixel is equivalent to one physical pixel on a 160 dpi screen, which is the baseline density assumed by the system for a "medium" density screen. At runtime, the system transparently handles any scaling of the dp units, as necessary, based on the actual density of the screen in use. The conversion of dp units to screen pixels is simple: px = dp * (dpi / 160). For example, on a 240 dpi screen, 1 dp equals 1.5 physical pixels. You should always use dp units when defining your application's UI, to ensure proper display of your UI on screens with different densities.

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Page 20: Mobile Design in the Weeds @MobdUP

@philohme mobilemojitos.com

but why?• To make objects appear roughly the same size on various

screen sizes

• A set of four generalized sizes: small, normal, large, xlarge

• A set of four generalized densities: ldpi (low), mdpi (medium), hdpi (high), xhdpi (extra high)

• Illustration of how Android roughly maps actual sizes and densities to generalized sizes and densities (figures are not exact):

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http://developer.android.com/guide/practices/screens_support.html

Page 26: Mobile Design in the Weeds @MobdUP

@philohme mobilemojitos.com

App Icons / Launcher Icons

• iOS - name it whatever you want

• Android - must be the same name (just in different folders)• Over-invest• Don’t reuse your iOS icon for Android• Same but different

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Page 42: Mobile Design in the Weeds @MobdUP

@philohme mobilemojitos.com

In Summation

• iOS and Android matter• Specs & getting into the nitty-gritty• iOS uses pixels (px)

• Android uses density independent pixels (dp)

• Don’t make a splash, use natural launch images• The app icon - over-invest, for each platform• A better way for getting Ratings and Reviews• Android version numbers and “Tasty Treat” nicknames• User Interface Guidelines• Apple HIG

• Android Design

• Flat vs. Deep, Skeuomorphic vs. Stylized

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Page 43: Mobile Design in the Weeds @MobdUP

@philohme mobilemojitos.com

The mobile design uprising

Thank You!

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Video at bit.ly/mobdupweeds


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