问题
I'm testing my app at Galaxy Tab and Motorola XOOM emulator skins, and I can't understand, why the drawables are taken from the wrong folders. I have drawable-xhdpi folder, where I store big size pictures. However, Tab takes drawables from drawable-hdpi, and XOOM uses the drawable-mdpi folder. So, how do I manage my resources? Thanks in advance.
In addition, it feels like view sizes defined in sp are not ported properly. I have some views which need to be 80sp x 80sp, on phones with mdpi and hdpi screens they look right, but on tablets they look too small. Why can this be?
回答1:
However, Tab takes drawables from drawable-hdpi, and XOOM uses the drawable-mdpi folder. So, how do I manage my resources?
There is no single "Galaxy Tab" device, so I have no idea which one you are referring to there. The XOOM is an -mdpi device. I would expect that the Galaxy Tab 10.1 would be -mdpi as well. However, in the end, device manufacturers will choose values that they feel deliver the best results for existing applications.
回答2:
GalaxyTab 7" use "-large-hdpi"; XOOM 10.1" use "-xlarge-mdpi".
check this post for details: GalaxyTab, Motorola Xoom Screen Desity and Size
回答3:
I have test with multiple screen resolutions and find out Android use the following qualifier for different screen resolutions: 240x320: -ldpi 320x480: -mdpi 480x800: -hdpi GalaxyTab7.1 inches: -large GalaxyTab10.1 inches: -xlarge
Hope this information is useful for you.
回答4:
Galaxy tab (the old one, running Android 2.x) is indeed not xhdpi. I had success by using the "large" qualifier to identify tablets. Else you can always use an API qualifier such as v11 for Honeycomb only resources.
回答5:
Rather than using the dpi qualifiers you can use screen size qualifiers instead, theres info here on exactly what tags you can use when selecting which resources to use,
http://developer.android.com/guide/topics/resources/providing-resources.html
It's important to understand the difference between dpi and screen size, dpi tends to be high on phones, like a samsung galaxy s2, but on the big 10 inch tablets it tends to be low(which makes sense if you think about it, the phones squeeze more pixels into a smaller space).
来源：https://stackoverflow.com/questions/6072382/drawables-and-layouts-for-galaxy-tab-and-motorola-xoom