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
