Can you please tell me the minimum RAM to GB 2.3.6 device. and what if I run GB on 256 RAM device ??
On Thursday, August 26, 2010 10:36:40 PM UTC+2, Dianne Hackborn wrote: > > I would recommend at least 128MB available to the *kernel*. In many > architectures, a big chunk of RAM will be dedicated to the radio, so you > need to take that into account, and the 128MB recommendation does not cover > that. Also if your architecture allocates graphics surfaces in user space, > bump it up by 16MB or so (The Qualcomm devices I have experience do their > allocations in RAM outside of that accessible to the kernel.) And of > course this also depends on the size and density of your screen, camera > megapixels, etc. If the screen has more pixels than 320x480 or the camera > is more than 3 megapixels, bump the size up accordingly. > > For reference, the myTouch has 192MB of RAM which on 1.6 only left 100MB > left for the kernel and user space, and was *very* tight on RAM. Don't go > that low. An update to the Qualcomm radio apparently frees up a bunch of > space, adding over 10MB or so to user space... that should run even 2.2 > okay. At this level, though, the amount of RAM is probably the most > important aspect to how well the device will run. Don't skip on RAM, and > you'll have a much better running device, with a lot fewer headaches as you > try to get everything working well. That is from painful experience. :) > > Another reference point -- the Droid has 256MB RAM, which runs the system > well, but it also does its graphics allocations in user space and has a > high density screen so you can still end up not keeping as many processes > running as you'd like if loading large pages with the browser, running lots > of background services, etc. > > The Nexus One has 512MB of RAM and honestly that is really more than we > know what to do with. It is great. :) I ended up putting some code into > the activity manager to put a hard limit on the number of processes we > would keep around, because there was so much memory we had often could keep > way more processes than was useful. That was never an issue on Droid. ;) > > On Thu, Aug 26, 2010 at 4:02 AM, Tung Dang <[email protected] <javascript:> > > wrote: > >> Hi all, >> >> Do you know what is the minimum of RAM to run Android 2.2 ? >> >> Rgs, >> Tung >> >> -- >> unsubscribe: [email protected] <javascript:> >> website: http://groups.google.com/group/android-porting >> > > > > -- > Dianne Hackborn > Android framework engineer > [email protected] <javascript:> > > 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. > > -- unsubscribe: [email protected] website: http://groups.google.com/group/android-porting
