我想在我的看法中显示某种观点时装上URL。 我如何能够确定X观点正在显示,因此,我可以执行URL下载逻辑吗?
我如何能够确定X观点正在显现。
使用getDisplayedChild(方法;它回收了一种构成所显示观点基-零指数的分类。 与这一指数做的是你们。
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