This is exactly as I have already said: this API is not available to third party apps, and cupcake will not change this. Addressing the original poster, there is a new API in cupcake to be able to dynamically load classes with Dalvik.
On Tue, Apr 14, 2009 at 1:13 AM, tiwana <[email protected]> wrote: > > So i downloaded the system images of cupcake for my emulator , my > emulator shows that it is now upgraded to version 1.5 ,i wrote an app > which can install other apps, gave this app INSTLL_PACKAGES permission > and installed this app in normal /data/app folder. But still when i > run this app i get the exception that INSTALL_PACKAGES cannot be > granted. i go to settings and see my app does not have this > permission. Is this because the system images available on net are not > fully developed? > > On Apr 14, 12:01 am, zhoubo shi <[email protected]> wrote: > > I think we should not write anything to the system folder. > > > > 2009/4/14 Dianne Hackborn <[email protected]> > > > > > Nothing has been announced yet. > > > > > On Mon, Apr 13, 2009 at 1:37 PM, tiwana <[email protected]> > wrote: > > > > >> So when will be the cupcake available? > > > > >> On Apr 9, 7:06 pm, Dianne Hackborn <[email protected]> wrote: > > >> > That's why apps can't install other apps without the user being > > >> involved. I > > >> > was addressing the first part of the original poster's request, > being > > >> able > > >> > to download and run Dalvik code in your own process. In that case > the > > >> new > > >> > API will let you do this, though of course you are running the other > > >> code as > > >> > -yourself- so taking responsibility for anything it does. > > > > >> > On Thu, Apr 9, 2009 at 3:35 PM, BIRJODH <[email protected]> > > >> wrote: > > > > >> > > Would not it be somewhat dangerous to allow apps is /data/app > folder > > >> > > to install other applications?? An app can just create an infinite > > >> > > loop in which downloads applications which do not require any > > >> > > permission and keep on installing them and fill out the memory > space? > > > > >> > > Birjodh > > > > >> > > On Apr 9, 1:56 pm, Dianne Hackborn <[email protected]> wrote: > > >> > > > There is an API in cupcake to allow you to perform the dexopt > into > > >> your > > >> > > own > > >> > > > directory. That will be available when cupcake is available. > > > > >> > > > On Thu, Apr 9, 2009 at 2:05 AM, Eborix13 <[email protected]> > > >> wrote: > > > > >> > > > > Hi, > > > > >> > > > > We are a team of Android developers and we are facing a > serious > > >> > > > > problem for quite some time. Our app (a game client) is > designed > > >> in > > >> > > > > such a way, that once it's installed it can be used to > download > > >> games > > >> > > > > from a game server. In order for the downloaded games to work, > > >> they > > >> > > > > have to be installed and launched by the client. > > > > >> > > > > The problem is that the client has no write/update rights for > the > > >> / > > >> > > > > data/dalvik-cache directory, unless we specifically execute > the > > >> chmod > > >> > > > > 777 command for that directory. Setting the > > >> > > > > android.permission.INSTALL_PACKAGES permission in the client's > > >> > > > > manifest file also doesn't work. After reading countless > forums > > >> where > > >> > > > > other people have complained about the same problem, we would > like > > >> to > > >> > > > > know when this issue is going to be resolved. Apparently the > code > > >> for > > >> > > > > this feature already exists (the DexFile class of the so > called > > >> > > > > "cupcake" release) but it hasn't been released yet. > > > > >> > > > > What's more frustrating is that the Android team points out > that > > >> all > > >> > > > > Android apps are equal, that system apps are equal in rights > to > > >> custom > > >> > > > > apps. Obviously this is not the case. If the client game app > is > > >> > > > > installed in the /system/app the problem described above is > > >> solved. > > >> > > > > System apps have the right to dynamically install other apps. > > >> Regular > > >> > > > > apps (installed in the /data/data folder) do not. > > > > >> > > > > Is this issue going to be resolved anytime soon? Will the > > >> "cupcake" > > >> > > > > DexFile class going to be present in the next release? This is > a > > >> > > > > rather urgent problem since we are waiting for this new > > >> functionality > > >> > > > > in order to continue development. > > > > >> > > > > Thank you... > > > > >> > > > -- > > >> > > > Dianne Hackborn > > >> > > > Android framework engineer > > >> > > > [email protected] > > > > >> > > > 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. > > > > >> > -- > > >> > Dianne Hackborn > > >> > Android framework engineer > > >> > [email protected] > > > > >> > 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. > > > > > -- > > > Dianne Hackborn > > > Android framework engineer > > > [email protected] > > > > > 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. > > > -- Dianne Hackborn Android framework engineer [email protected] 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. 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