在 Fragment LifeCycle 期间什么时候调用 onAttach? [英] When is onAttach called during the Fragment LifeCycle?

问题描述

onAttach 在 Fragment-Activity 生命周期中究竟何时被调用?

Exactly when is onAttach called during the Fragment-Activity lifecycles?

我知道 Fragment Life-Cycle 但具体是什么时候?

I am aware of the Fragment Life-Cycle but exactly when?

是在启动片段对象时还是在调用片段管理器时?

Is it when the fragment object is initiated or when fragment manager is called?

推荐答案

在活动中，第一个方法是 onCreate.活动的 onCreate 添加片段，此时 onAttach 被调用.如图所示

In activity the first method is onCreate. onCreate of activity add the fragment and in this moment onAttach is called. like in the picture

参考:https://github.com/xxv/android-lifecycle

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