What do you mean by keys in flutter? When one should use it.

What do you mean by keys in flutter? When one should use it.

题目类型: 技术面试题

这是一道技术面试题，常见于澳洲IT公司面试中。

难度: easy

标签: interviewbit, flutter, topic-specific, mobile

参考答案摘要

Keys are used in Flutter as identifiers for widgets, elements, and semantic nodes. GlobalKeys and LocalKeys are the subclasses of Key. Within the widget tree, keys are responsible for preserving the s...

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