good enough! thanks a lot for clearing it up.. that answers my speculations about security..
On Tue, Apr 14, 2009 at 10:37 PM, Dianne Hackborn <hack...@android.com>wrote: > Correct. The user needs to be involved in installing apps by confirming it > in the UI (you can invoke this UI if you want). In cupcake you can load > arbitrary Dalvik code in to your process, though you need to be aware that > the code will be running as your own app. > > > On Tue, Apr 14, 2009 at 7:06 PM, tiwana <tiwana.birj...@gmail.com> wrote: > >> >> I am sorry i am not sure if i get it . So are you tryin to say that >> one third party app would not be able to install another >> app which will run as a separate app but it can add classes to the >> existing process.... >> >> On Apr 14, 8:39 pm, Dianne Hackborn <hack...@android.com> wrote: >> > 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 <tiwana.birj...@gmail.com> >> 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 <zhoubo....@gmail.com> wrote: >> > > > I think we should not write anything to the system folder. >> > >> > > > 2009/4/14 Dianne Hackborn <hack...@android.com> >> > >> > > > > Nothing has been announced yet. >> > >> > > > > On Mon, Apr 13, 2009 at 1:37 PM, tiwana <tiwana.birj...@gmail.com >> > >> > > wrote: >> > >> > > > >> So when will be the cupcake available? >> > >> > > > >> On Apr 9, 7:06 pm, Dianne Hackborn <hack...@android.com> 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 < >> birjodh.tiw...@gmail.com> >> > > > >> 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 <hack...@android.com> >> 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 < >> ebori...@yahoo.com> >> > > > >> 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 >> > > > >> > > > 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. >> > >> > > > >> > -- >> > > > >> > 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. >> > >> > > > > -- >> > > > > 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. >> > >> > -- >> > 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. >> >> > > > -- > 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. 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