I read about dp and pixel and calculate dpi and pixel . but i am confused. I want to know if I want to create UI for my app, is better what resolution I select for beginning? I want to use of Photoshop. on design section in Android studio, there are e few devices with their resolutions,for example (480 * 800 hdpi(nexus one)) and so on . but which one is better for first create on photoshop?
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I suggest using px for design
- Mobile: 360 x 640
- Tablet 7inch: 600 x 960
- Tablet 9inch: 1024 x 768
References
https://i.stack.imgur.com/rrNoM.png
phatnhse
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Yes. This is the default template of sketch material design. – phatnhse Jul 30 '17 at 13:32
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If this is fit for you, please accept it @sayreskabir – phatnhse Jul 30 '17 at 13:32
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.ok but in this info Mobile: 360 x 640: **360 x 640 is inch** ?right? – sayres kabir Jul 31 '17 at 05:08
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360px x 640px sir – phatnhse Jul 31 '17 at 06:35
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Use Density-independent pixel (dp) units when defining your application's UI, to ensure proper display of your UI on screens with different densities. The android documentation says :
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.
You can read it here
For correct icon size you should read answer this
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