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如果UIThread长时间被阻止，iOS应用程序会被杀死吗？

[英]Will ios app get killed if UIThread is blocked for long time?

原文 2012-10-22 08:46:39 7 1 objective-c/ ios/ memory-management/ ui-thread

I have a strange issue. 我有一个奇怪的问题。 My app gets killed if my UI thread is blocked for long time ( say 10s). 如果我的UI线程被长时间阻止（例如10秒），我的应用程序将被杀死。 I want to repeatedly take screenshots after updating view in a loop. 我想在循环更新视图后重复拍摄屏幕截图。 This is a time consuming process. 这是一个耗时的过程。 But my app gets killed and no memory warning is received. 但是我的应用程序被杀死，没有收到内存警告。 My question is will my app get terminated if UI Thread is blocked for long time? 我的问题是，如果UI线程长时间被阻止，我的应用程序是否会终止？

1 个解决方案

This is normal. 这很正常。 Instead of letting apps freeze, iOS watches each app if they are taking a long time in the UI thread. 如果应用程序在UI线程中花费很长时间，则iOS不会监视应用程序，而是监视每个应用程序。 Is there any reason you have to take the screenshots in a single run loop? 您是否有任何理由必须在单个运行循环中截取屏幕截图？ Why not just setup a CADisplayLink callback and take just one screenshot every execution? 为什么不只设置CADisplayLink回调并在每次执行时仅截取一个屏幕截图？

在被杀死之前，iOS应用平均在后台运行多长时间？ - How long iOS app runs in background in average until it's killed?

uithread繁忙时打开附件文件时，iOS App崩溃 - IOS App crashes when attachement file is opened while uithread is busy

iOS 6-在后台重新启动被终止的应用程序 - iOS 6 - Relaunch the killed app in background

使用应用程序终止的IOS处理通知 - Handle notifications with app killed IOS

iOS：获取启动应用的时间 - iOS: Get time of app launch

为什么我的iOS应用需要很长时间才能在设备上加载？ - Why is my iOS app taking a long time to load on my device?

自从上次在iOS上打开应用程序多久以来？ - How long since last time app was opened in iOS?

后台http在ios上请求“被杀死的应用” - background http requests on ios for “killed app”

当应用被杀死时，如何在ios中单击通知时接收数据（（react-native-fcm模块在iOS中获取推送通知） - How to receive data on click of notification in ios, when app is killed ,( react-native-fcm module to get push notification in IOS)

iOS：Google 登录错误，您的应用已被阻止 - iOS : Google Sigin error, Your app is blocked

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相关问题 在被杀死之前，iOS应用平均在后台运行多长时间？ - How long iOS app runs in background in average until it's killed? uithread繁忙时打开附件文件时，iOS App崩溃 - IOS App crashes when attachement file is opened while uithread is busy iOS 6-在后台重新启动被终止的应用程序 - iOS 6 - Relaunch the killed app in background 使用应用程序终止的IOS处理通知 - Handle notifications with app killed IOS iOS：获取启动应用的时间 - iOS: Get time of app launch 为什么我的iOS应用需要很长时间才能在设备上加载？ - Why is my iOS app taking a long time to load on my device? 自从上次在iOS上打开应用程序多久以来？ - How long since last time app was opened in iOS? 后台http在ios上请求“被杀死的应用” - background http requests on ios for “killed app” 当应用被杀死时，如何在ios中单击通知时接收数据（（react-native-fcm模块在iOS中获取推送通知） - How to receive data on click of notification in ios, when app is killed ,( react-native-fcm module to get push notification in IOS) iOS：Google 登录错误，您的应用已被阻止 - iOS : Google Sigin error, Your app is blocked

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