Hello,
I've been musing for a few months on the idea of creating an
Android-specific version of Joda-Time. The main impetus is that grabbing
the TZ data out of the JAR causes serious memory issues on Android (
http://daniel-codes.blogspot.com/2013/08/joda-times-memory-issue-in-android.html),
though while I'm at it I'm thinking of a few other tools that can be
included for Android.
I'm wondering what peoples' thoughts are regarding the feasibility of this
project, especially maintainability of the Android version in relation to
the main project. I want to know if this project seems like a Bad Idea or
if there are some pitfalls I can avoid.
Here's a list of goals I've written up:
- Create joda time Android library which can be easily integrated with
gradle-based Android build process.
- Create Android Provider that uses /assets/ instead of the JAR for storing
TZ data (to avoid memory leaks). I would set this as the default Provider
(rather than ZoneInfoProvider).
- Automatically compile TZ data as part of build process (i.e., can go from
source to AAR binary).
- Be able to update Android library along with new Joda-Time source without
much fuss. I don't want to write a library based off of, say, 2.3 then
never update it again.
- (Optional) Implement Parcelable serialization for Joda-Time objects, so
they can be easily passed between components in Android. It works well
enough to call toString() and parse(), but some performance gains could be
made through direct parcelling.
- (Optional) Check for possible memory-intensive Objects and reduce usage
(e.g., using one of Android's SparseArrays instead of HashMap). Not sure
if this is necessary at all but if I'm already mucking around with things
it might be good to check.
Thoughts? Suggestions? Concerns?
-Daniel
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