Hi I'm also a programmer on this project. These arrays are class variables of our Activity class. When we change these from instance variables to static class variables it seems that the problem goes away in relation to these arrays ( we then start bumping into problems with other instance variables) This would suggest that ANDROID itself is not letting go of the Activity instances. That some how they are being queued up or hung on to... It also seems every time the app is relaunched a new Activity class is created.
Does this have any merit? If so is there away to flush out the Activity between starts? On Jul 29, 2:10 pm, fadden <[email protected]> wrote: > On Jul 29, 9:42 am, RM <[email protected]> wrote: > > > 1. Is memory saved in the Dalvik VM by using a short or byte vs. an > > integer? I've read some conflicting things on how this works. i.e. > > -- is the memory occupation as follows: > > > Byte = 8bits > > Short = 16bits > > Int = 32bits > > For arrays, yes. Fields in objects are always 32 or 64 bits. > > > 2. Garbage collection strategies. Specifically, I'm allocating a > > couple of large integer arrays in my main activity class. My program > > runs fine once. When I press the HOME button, however, and then re- > > launch the application it crashes when (re)allocating the arrays. > > Catch the OOM and call the API we added in 1.5 that saves an HPROF > dump. Examine the heap dump to see where your memory went. > Instructions are in dalvik/docs/heap-profiling.html: > > http://android.git.kernel.org/?p=platform/dalvik.git;a=blob_plain;f=d... > > In particular, make sure there isn't something keeping your large > arrays around after you believe you're no longer referencing them. > > While your application runs, it may be useful to keep an eye on the GC > stats being written to the event log. dalvik/tools/gclog.py can help: > > http://bigflake.com/gclog.py.txt --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
