APP处于前台的相关内容

判断App是否处于后台/前台，使用ActivityLifecycleCallbacks稳得很！

项目需要在App退到后台，再次进入App的时候，进入启屏页展示广告，记得之前用过RunningAppProcessInfo.IMPORTANCE_FOREGROUND，或者RunningTask来判断过，但是遇到过偶然失灵或者无法适配现在的android版本。毕竟太老了，现在用点进去经常会有@De...

【解惑】App处于前台，Activity就不会被回收了？（下）

内存监控机制跟回：BinderInternal.addGcWatcher()这里可能看得你有点迷，但是当你理解了就会觉得很妙了：虚拟机GC会干掉 WeakReference 的对象，在释放内存前，会调用对象的 finalize()，而这里有创建了一个新的 WeakReference 实例。下次GC，...

互联网安全-移动APP漏洞风险与解决方案

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【解惑】App处于前台，Activity就不会被回收了？（上）

昨天在康 KunMinX 大佬的：《重学安卓：Activity 生命周期的 3 个辟谣》，在加餐处看到这段：转换后的理解：单进程场景，Activity被回收只可能是因为进程被系统回收了。感觉不太对？因为在很久以前，遇到过这样一个场景：App打开多个Activity...

[帮助文档] iOS端App在前台建通道后如何获取之前的消息

问题详述iOS端App不在前台期间发送的消息，待APP进入前台建立通道后还能获取到吗？问题解答可以通过设置StoreOffline（离线消息存储）及ExpireTime（过期时间）来实现无法实时发送的消息的管理，待下一次APP上线会继续推送该离线消息；StoreOfflineExpireTime可以...

当APP处于前台时，消息推送是否会有横幅或声音提示？

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更新时间 2023-08-27 15:27:35

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