Android XXHDPI resources

Question

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    120dpi mdpi    160dpi hdpi    240dpi xhdpi    320dpi xxhdpi 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

User · Answer

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.

User · Answer

A set of four generalized sizes  small  normal  large  and xlarge Note  Beginning with Android 3 2  API level 13   these size groups are deprecated in favor of a new technique for managing screen sizes based on the available screen width  If you re developing for Android 3 2 and greater  see Declaring Tablet Layouts for Android 3 2 for more information   A set of six generalized densities   ldpi  low   120dpi  mdpi  medium   160dpi  hdpi  high   240dpi  xhdpi  extra-high   320dpi  xxhdpi  extra-extra-high   480dpi  xxxhdpi  extra-extra-extra-high   640dpi  From developer android com   http   developer android com guide practices screens support html

User · Answer

480 dpi is the standard QUANTIZED resolution for xxhdpi  it can vary something less  i e   440 dpi  or more  i e   520 dpi   Scale factor  3x  3   mdpi      Now there s a higher resolution  xxxhdpi  640 dpi   Scale factor 4x  4   mdpi    Here s the source reference

User · Answer

As per this PPI calculation tool  Google Nexus 10 has a display density of about 300 DPI     However  Android documentation states that   ldpi    120dpi mdpi    160dpi hdpi    240dpi xhdpi    320dpi xxhdpi is not specified   I think we just let Android OS scale up xhdpi resources

User · Answer

The resolution is 480 dpi  the launcher icon is 144 144px all is scaled 3x respect to mdpi  so called  base    baseline  or  normal   sizes

User · Answer

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

User · Answer

The newer android  phones in the market like HTC one  Xperia Z etc have resolutions in the  480dpi range  putting them in the new xxhdpi class as well  The new assets might be useful for them too

User · Answer

The DPI of the screen of the Nexus  10 is   300  which is in the unofficial xhdpi range of 280-400   Usually  devices use resources designed for their density  But there are exceptions  and exceptions might be added in the future  The Nexus 10 uses xxhdpi resources when it comes to launcher  icons   The standard quantised DPI for xxhdpi is 480  which means screens with a DPI somewhere in the range of 400-560 are probably xxhdpi

[android] Android XXHDPI resources

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