如何使用图像而不是活动指示器? [英] How to use a image instead of activity indicator?
问题描述
在我的应用程序中,当我点击刷新按钮时,会出现一个活动指示器。当tableView刷新时,它就会消失。我想使用图像而不是那个活动指示器,这样当我点击刷新图像时,ll会出现在整个屏幕上,当视图ll b刷新时,它会消失。我怎样才能做到这一点? thanx提前
in my app when i click on refresh button, an activity indicator appears. and when tableView is refreshed then it disappears. i want to use a image instead of that activity indicator in such a way that when i click on refresh that image ll come on the whole screen and when view ll b refreshed it ll disappear. how can i do that? thanx in advance
推荐答案
基本上你需要做的是在当前视图上添加一个封面视图。
Basically what you need to do is add a "cover page" view over your current view.
如果将alpha设置为约50%,这些通常效果最佳。
These usually work best if you set the alpha to about 50%.
点击按钮即可调用 addSubview:coverPage
在哪里使用正确的属性初始化coverPage。
Hitting the button you can call addSubview:coverPage
where you init coverPage somewhere with the right attributes.
如果需要,封面页可以在必要时拥有自己的旋转器或标签。
If you want, cover page can have it's own spinners or labels if necessary.
刷新完成后,只需拨打 [coverPage removeFromSuperview]
即可解雇。
after your refresh completes, just call [coverPage removeFromSuperview]
to dismiss.
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