On Dec 19 2009, 2:05 am, kristianlm <kristianl...@gmail.com> wrote: > hi Elliott, > > what exactly does it mean that the driver is unsupported and that > it shouldn't be used? > > are you saying that JDBC should not be used at all?
you can use JDBC, though it isn't well tested. but we do publicly support the java.sql API. > without > loading the jdbc driver with Class.forName() it isn't registered. that's the part that's unsupported: do not assume that any given Android device has that JDBC driver available. it's unsupported, undocumented, and you really really don't want to be using it. > that concludes the code snippet in Joerg's post above is > not allowed? correct. --elliott > Thanks a bunch, > - Kris > > On Dec 15, 12:42 am, enh <enh+...@google.com> wrote: > > > > > theJDBCdriver is undocumented because it's unsupported. please do > > not use reflection to access undocumented/unsupported API. > > > --elliott > > > On Dec 14, 5:29 am, kristianlm <kristianl...@gmail.com> wrote: > > > > Hi jotobject, > > > I don't understant why this wouldn't be part of the public API. if > > > Android is shipped with aJDBCdriver, why not let people use it? It's > > > certainly useful for many of us! > > > > Kris > > > > On Dec 12, 10:42 pm, jotobjects <jotobje...@gmail.com> wrote: > > > > > On Dec 8, 10:41 pm, Joerg Pleumann <joerg.pleum...@gmail.com> wrote:> > > > > Regarding android.jar, I never checked but I could imagine that it > > > > > contains only the public API classes and might even have the actual > > > > > bytecode erased. Nothing is ever run against it. It is just there to > > > > > make Javac or Eclipse happy (somebody please correct me if I'm wrong). > > > > > On the device, the driver should be part of /system/framework/ > > > > > core.jar. > > > > > The SQLite driver is never used by the public API. You pass the name > > > > as a String URI "jdbc:sqlite:" to getConnection(). That is the way > > > >JDBCalways works. The drivers are not part of the public API so the > > > > documentation is NOT missing anything regarding drivers. > > > > > As far as I can see the only missing documentation is the URI > > > > "jdbc:sqlite:" as in Joerg's example - > > > > > String db = "jdbc:sqlite:" + getFilesDir() + "/test.db"; > > > > Class.forName("SQLite.JDBCDriver"); > > > > Connection conn = DriverManager.getConnection(db); > > > > > The Class.forName() call is only necessary if Android does not > > > > automatically register the driver with DriverManager (I don't know if > > > > it does or not).
-- 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