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 [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 --- 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 [email protected]. For more options, visit https://groups.google.com/groups/opt_out.
