Hi and thanks for both replies. I have set a database path and on a rooted device verified that all is working as intended.
Shame the callback is not supported on the older versions of Android - i shall have to think up a workaround in the javascript. Martin. On Jan 30, 8:48 pm, John Purcell <[email protected]> wrote: > Also keep in mind that certain versions of Android you should/must > give webkit a custom path for your databases > (websettings.setDatabasePath(), et al), which can be set on a per view > basis (unlike AppCache, which is a singleton per app). > > On Jan 29, 1:26 am, Martin <[email protected]> wrote: > > > > > > > > > Hi. > > > I'm using the Database Storage API in a WebView and have been > > researching the available javascript methods. > > > The javascript openDatabase() method is documented to have an optional > > fifth parameter which is a callback function to execute once the > > openDatabase() method has completed (but only if the database has been > > created - see below). > > > The openDatabase() method is asyncronous so i need to query the > > database after it has been created and is ready for use, NOT after the > > openDatabase() method has been executed. > > > Hope that makes sense but anyway my question is does the WebView's > > javascript openDatabase() method support this fifth optional > > parameter? > > > Some example javascript: > > > function dbCreated(transaction){ > > console.log('debug#2');} > > > console.log('debug#1'); > > var shortName='locationTracker', version='1.0', displayName='Some > > text', maxSize=32768; > > var database=openDatabase(shortName, version, displayName, maxSize, > > dbCreated); > > console.log('debug#3'); > > > In the log i see 'debug#1' and 'debug#3' but never see 'debug#2'. > > > The callback is supposed to only be called if the database has been > > created and opened. > > It is not called if the database already existed and has been opened > > but not created. > > >http://html5doctor.com/introducing-web-sql-databases/ > > > Scroll down to 'Creating and Opening Databases' and 5. Creation > > callback. > > > I've uninstalled my app a few times and reinstalled it - thinking that > > the database definitely will not exist so will be created and the > > callback will execute but the callback still fails to execute. > > > This is on a Froyo emulator and also on my ZTE Blade with cyanogen mod > > Gingerbread. > > > Has anyone got any experience with the javascript database storage api > > and could tell me if this callback is supported? > > > Thanks. > > > Martin. -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
