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vagase
V2EX  ›  iDev

如何能够让App支持后台释放Cache？

  •   
  •   vagase · Apr 18, 2012 · 4657 views
    This topic created in 5138 days ago, the information mentioned may be changed or developed.
    最近通过Instruments跟踪App的内存使用情况，发现当系统内存不够用的时候，并不是直接KillApp，而是先尝试去释放后台程序的Cache，直到实在不能释放的时候才“被迫无奈”杀害App。

    因为App是在后台，显然不是相应的didReveiveMemoryWarning，那么怎么才能让App即使在后台情况下Cache仍然可以被清理呢？
  • App
  • Cache
  • 后台
    2 replies  •  1970-01-01 08:00:00 +08:00
    ultragtx
        1
    ultragtx  
       Apr 18, 2012
    – applicationDidReceiveMemoryWarning: 这个应该能收到吧
    ultragtx
        2
    ultragtx  
       Apr 18, 2012
    呃 我指的是多任务(voip/定位)那种的后台, 貌似你的app在后台没有工作，那样就收不到了
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