ZMMessageView

a simple message warning(top toast)

一个简单的message提示. 如图:

思路很简单；在最顶层的window添加一个包含uilabelview的uiview而已；在ios中任何view都可以addsubview--window也是view；

部分代码:

寻找最顶层window:

var applicationKeyWindow:UIWindow! = nil
    let frontToBackWindows = UIApplication.sharedApplication().windows.reverse()
    for window in frontToBackWindows {
        if window.windowLevel == UIWindowLevelNormal {
            applicationKeyWindow = window;
            break
        }
    }

清除动画:

ZMMessageView.sharedInstance.layer.removeAllAnimations()

延迟执行:

let delay = 2 * Double(NSEC_PER_SEC)
let time = dispatch_time(DISPATCH_TIME_NOW, Int64(delay))
dispatch_after(time, dispatch_get_main_queue()) {
	ZMMessageView.dismiss()
}

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