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The Google Nexus 10 comes out shortly, and is the first device to use xxhdpi resources. It sports a display density of about 300 DPI (according to the Nexus 10 website and this calculator).
However, when I go to the Android documentation, it states:
ldpi : ~120dpimdpi : ~160dpihdpi : ~240dpixhdpi : ~320dpixxhdpi is not specified.How come the Nexus 10's 300 DPI screen is xxhdpi instead of xhdpi, and what should be the approximate DPI of xxhdpi? Should we even worry about having new resources (aside from icons) for xxhdpi at this point, or should we just let the OS scale up xhdpi resources?
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In Android, a resource is a localized text string, bitmap, layout, or other small piece of noncode information that your app needs. At build time, all resources get compiled into your application. The resources locates inside res directory of your app.
The first pitfall you must avoid is using pixels to define distances or sizes. Defining dimensions with pixels is a problem because different screens have different pixel densities, so the same number of pixels may correspond to different physical sizes on different devices.
The best image resolution for most smartphones is 640 by 320 pixels, although you should ideally maintain the aspect ratio of the original image or the output image will be distorted.
According to the post linked in the G+ resource:
The gorgeous screen on the Nexus 10 falls into the XHDPI density bucket. On tablets, Launcher uses icons from one density bucket up [0] to render them slightly larger. To ensure that your launcher icon (arguably your apps most important asset) is crisp you need to add a 144*144px icon in the drawable-xxhdpi or drawable-480dpi folder.
So it looks like the xxhdpi is set for 480dpi. According to that, tablets use the assets from one dpi bucket higher than the one they're in for the launcher. The Nexus 10 being in bucket xhdpi will pull the launcher icon from the xxhdpi.
Source
Also, was not aware that tablets take resources from the asset bucket above their level. Noted.
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xxhdpi was not specified before but now new devices S4, HTC one are surely comes inside xxhdpi .These device dpi are around 440. I do not know exact limit for xxhdpi See how to develop android application for xxhdpi device Samsung S4 I know this is late answer but as thing had change since the question asked
Note Google Nexus 10 need to add a 144*144px icon in the drawable-xxhdpi or drawable-480dpi folder.
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