问题
I'm using ListView and I'm loading that onto a Rectangle. While scrolling the content up or down the content is not correctly hidden and remains visible to the user. Can someone help me on this issue?
回答1:
As reported by the documentation:
Note: Views do not enable clip automatically. If the view is not clipped by another item or the screen, it will be necessary to set clip: true in order to have the out of view items clipped nicely.
Hence, what you are experiencing is a common behaviour and you should either 1) clip the view via other Items (e.g. a header Rectangle and a footer Rectangle with z:infinite or simply set the clip property to true, i.e.
ListView{
//...
clip:true
//...
}
Clipping has some perfomance disavantages which can greatly affect the application as it grows. Hence, its usage, especially outside the views scenario, should be evaluated carefully.
来源：https://stackoverflow.com/questions/40482081/listview-exceeding-parent-area