You need to do is : A - start B -> AB - finish B -> A - start B -> AB - finish B -> A
What you are doing (if you have explained correctly is): A - start B -> B - start A -> ABA - start B -> ABA - start B -> ABAB etc On Saturday, April 6, 2013 5:56:39 PM UTC+1, user123 wrote: > > I'm running an app in a 4.2 Nexus 7 device. It has 64 mb app memory. > > I have 2 activities - and a button to toggle between them. When I start > activity A, then B, then A, B, A, B, etc. After a while I get an out of > memory error. > > I investigated this problem with a heap dump and the memory analysis > tools. I found that, basically, the problem is, that the main view - > instances of these activities, are kept in memory- and instantiated again > and again every time I start this activity! > > Concretly: > > - In activity A I have a coverflow instance, which is basically a Gallery > with some 3d effect. > - In activity B I have a gridview > > If I switch let's say 8 times between A and B, the heap analysis shows me > that 8 instances of coverflow, and 8 instances of gridview are in memory! > Each occupying ~1.4 mb > > BTW: I'm using images, but these are managed by universal image loader > library, which I have used frequently now and doesn't seem to cause > problems / leaks. Also, the bitmap - occupied space shown by the memory > analysis is small. The big issue are these instances of coverflow and > gridview. > > I'm not retaining these instances in static variables or anything. I don't > know why they are kept in memory. > > I also added System.gc calls and method to clear the memory cache of the > image loader library - but this doesn't help. Since the main problem seem > to be that these instances are "retained" (although I don't know > how/where), I understand that gc doesn't help. > > So, after the users switch screens a while, they get an out of memory. How > can I solve this? I went through many option of the memory analysis but > didn't find anything that tells me, where/how/when these instances are > retained. > > Thanks in advance. > > > > > > > > > > > -- -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en --- You received this message because you are subscribed to the Google Groups "Android Developers" group. To unsubscribe from this group and stop receiving emails from it, send an email to android-developers+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
