awesome. you just re-invented rpm... :) On 10/15/2013 09:10 PM, 함동읍 wrote: > Dear All, > > I want to discuss "3rd party so library installation feature. > > Requirement > > 1. To provide a way to download a necessary shared library from > authorized/dedicated site > 2. If users want to use application B which uses a shared library, they > download that library from the site by themselves. > 3. When another application C requires the same library later, users can use > it without additional download. > 4. When the end user tries to remove application B owning the shared library > that is required for other installed applications, the platform should warn > the user that designated applications would not work correctly if the library > is removed. > 5. The platform should provide a naming service for the installed shared > library so that any 3rd party application using it may locate and use (load) > it without knowing the specific id of the owning package/application. > > Considerations > > 1. Library provider > 1) Tizen app can be a library provider with specifying a tag and embedding > the libraries. > 2) Library provider specifies a tag in the manifest file. > a) <ProvideLibrary>http://tizen.org/library/name</ProvideLibrary> > b) This tag can be restricted to partner and platform privilege levels. > 3) Libraries are located at /shared/res/ to share with other apps. > > 2. Library user > 1) Library user specifies a tag in the manifest file. > a) > <RequireLibrary>http://tizen.org/feature/library/name</RequireLibrary> > 2) Library user has to check whether the library provider app has been > installed or not. > a) The library provider app is not installed, request of installation > is sent to Store client. > > > 3. Platform package manager > 1) Installed apps from Store should be uninstalled anytime when device > user requests through the System settings. > a) Library provider app should be uninstalled anytime. > b) Deep relationship with library provider app and library user is not > recommended. > Library user app can be working without library provider app, if > needed. > 2) Package manager can extract information of provider and users using > manifest at installation time. > a) Package manager can display a warning popup to notify a message. > i.e. “If this app is uninstalled, [AppB, AppC and AppD] apps may not > be working well.” > b) If the provider is uninstalled, the related user apps can be > terminated, if needed. > 3) Application libraries are located in app directory and don’t be moved > to common library directory. > a) Library path is not specified in library user app. > 4) Package Manager can support library path API using the key that is > specified in manifest.xml. > > Appendix > In Android, some apps use functionality and resources of another app > 1. Several apps request functionality to an app > 2. Several apps use an app as a service app > 3. App accesses another app resource directly > 4. Android supports <uses-library>, but these libraries are not downloaded by > store but preloaded. > > Please check considerations and give me the feedback. > > Best regards, > dongeup.
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