iOS应用程序的启动顺序是什么？ [英] What is the launch sequence of an iOS app?

问题描述

正如标题所示，当用户按下图标启动它时，iOS应用程序的启动顺序是什么，以及何时是我自己的自定义类的二进制源在此启动序列期间加载到内存中，并由何时加载操作系统中的对象？

As the title indicates, what is the launch sequence of an iOS app when the user press the icon to start it, and when are the binary source of my own customized classes loaded into memory during this launch sequence, and loaded by which objects in the OS?

推荐答案

将应用程序启动到前台： -

Launching an app into the foreground :-

将应用程序启动到后台： -

Launching an app into the background :-

iOS中应用状态的变化： -

Change of App State in iOS :-

您也可以参考apple developer Apple开发者应用程序启动指南

You can also refer to apple developer Apple developer guideline for Application launching

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