摘要： 我也试试老外写博客＝ ＝怎么防止程序后台运行长时间后切换回来导致application里的value被清空而crash。1.ScenarioYou have a customize Application (named MyApplication). and you initialize some parameters in MyApplication. When you press 'Home' , your app will be suspended by system . If your memory is not enough, the system will kill 阅读全文