How would a normal user have 5000+ contacts?
I have maybe 50 at the most. On Tuesday, November 13, 2012 6:34:25 PM UTC-6, prestona wrote: > > I'm developing an application where a user can initially sync all his > contacts with a desktop application OTA. This is done through a web > service call that grabs a set of 100 contacts from the server, downloads > and parses the information, inserts the contacts into the Android Contact > DB, acknowledges receipt of these contacts, and then repeats the previous > steps with the next set of 100 contacts until the sync is complete. This > process works well when a user has contacts on the order or 1000-2000, but > a typical user of this application can easily have 5000-6000 contacts (with > power users having upwards of 10000+) in which case things take far longer > than I'd like. For example, a sample set of approximately 5300 contacts > can take about 13.5 minutes to complete. Not bad, but I'd like it to be at > least as efficient as iOS which runs about 8 minutes for the same data set > if possible. > > I've logged the time it takes for each step and, unsurprisingly, the > bottleneck appears to be with inserting the data into the Android contract > DB. After scouring the web I've found little help with regards to > inserting thousands of contacts, but what I have found seems to fall into > these three groups: > > 1) ContentProviderOperation -- The Google recommended way which gave me my > baseline of 13.5 minutes for 5300 contacts. > > 2) Bulk Inserts -- I read that buildInsert tends to be more efficient than > applyBatch, but when I tried to implement this myself it actually took 25 > minutes for the same 5300 contacts. I have a feeling a lot of this is due > to the fact that I need to insert the RawContact information and then save > the resulting URI for use in creating the ContactsContract.Data for the > bulkInsert which comes more naturally via the backValueReference in the > ContentProviderOperation. Additionally, I looked at the source code and I > don't get the feeling that bulkInsert is terribly efficient. > > 3) Creating an optimized bulk insert using the DatabaseUtils.InsertHelper > and transactions -- Unfortunately, this seems geared towards those people > who created their own content provider because you need access to the > underlying DB as an instance variable and I've yet to see how that could be > done with the native contacts DB. > > Does anyone have any experience with inserting 5000+ contacts or any > possible ideas I could look into to help reduce my time? Or should I > consider the ContentProviderOperation to be as optimized as it's going to > get? > > Thanks. > -- 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
