On Thu, Jul 21, 2011 at 7:43 AM, Zwiebel <hunzwie...@gmail.com> wrote:
> I have a program what looks like good on my HVGA emulator, everything > is fine with it (however I don't know why it is use the hdpi drawable, > when I have layout-normal-mdpi file too, with drawable-layout-mdpi > file too.), layout-normal-mdpi is really wrong. drawable-layout-mdpi shouldn't even compile. First. *Always* have a default resource. So you should have a layout/foo.xml file. This is the basic layout of your app. The one that will be used if nothing else matches the device. Second. Layouts care about screen size, drawables care about screen density. If you have a resource that selects both a screen size and density (-normal-mdpi) there is a 99.9% chance this is not what you want. So if you want to have an alternative layout for tablet screens, in addition to your layout/foo.xml, you would have a layout-xlarge/foo.xml. Third. Densities are for bitmaps. They are used to select between different alternative bitmaps that are available. The platform assumes that if it doesn't have a matching resource for a particular density, it can pick another and it will be scaled appropriately. If what you are selecting is not a bitmap then it can't actually be scaled and you can end up with resources being used that you don't want. So if you want to have two different bitmaps one for mdpi and one for hdpi screens, they would be drawable-mdpi/icon.png and drawable-hdpi/icon.png. Note also that densities are the one exception to our rule "always have a default resource" -- because we assume we can scale densities, some density will always match no matter what the screen is, so they can all serve as defaults. -- Dianne Hackborn Android framework engineer hack...@android.com Note: please don't send private questions to me, as I don't have time to provide private support, and so won't reply to such e-mails. All such questions should be posted on public forums, where I and others can see and answer them. -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
