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@H_301_4@//
// ViewController.swift
// UIActivityIndicatorViewSample
//
// Created by jinnchang on 15/4/2.
// Copyright (c) 2015年 Jinn Chang. All rights reserved.
//
import UIKit
class ViewController: UIViewController {
var activityIndicatorView: UIActivityIndicatorView!
override func viewDidLoad() {
super.viewDidLoad()
// Do any additional setup after loading the view,typically from a nib.
let button1 = UIButton.buttonWithType(.System) as UIButton
button1.frame = CGRectMake(30,50,self.view.frame.size.width - 60,100)
button1.setTitle("显示",forState: .Normal)
button1.addTarget(self,action: "buttonAction:",forControlEvents: .TouchUpInside)
button1.tag = 1
let button2 = UIButton.buttonWithType(.System) as UIButton
button2.frame = CGRectMake(30,150,100)
button2.setTitle("隐藏",forState: .Normal)
button2.addTarget(self,forControlEvents: .TouchUpInside)
button2.tag = 2
activityIndicatorView = UIActivityIndicatorView(activityIndicatorStyle: .White)
activityIndicatorView.frame = CGRectMake(self.view.frame.size.width/2 - 50,250,100,100)
activityIndicatorView.color = UIColor.blackColor()
self.view.addSubview(button1)
self.view.addSubview(button2)
self.view.addSubview(activityIndicatorView)
}
override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
// Dispose of any resources that can be recreated.
}
/// 按钮响应事件
func buttonAction(sender: UIButton) {
let num = sender.tag
switch num {
case 1:
activityIndicatorView.startAnimating()
case 2:
activityIndicatorView.stopAnimating()
default:
break
}
}
}
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GitHub 上项目地址：UIActivityIndicatorViewSample
控件更多相关属性及方法参考：UIActivityIndicatorView Class Reference 文章最后更新时间：2015年4月3日11:44:45
