//
// UIActivityIndicator.m
// ToolBar
//
// Created by lanouhn on 15/1/3.
// Copyright (c) 2015年 niutiantian. All rights reserved.
//
#import "UIActivityIndicator.h"
@interface UIActivityIndicator ()
{
UIActivityIndicatorView *activityView;
}
@end
@implementation UIActivityIndicator
- (void)viewDidLoad {
[super viewDidLoad];
// Do any additional setup after loading the view.
// UIActivityIndicatorView: 风火轮视图,作用是提醒用户正在加载数据
//风火轮的样式
// UIActivityIndicatorViewStyleWhiteLarge大型白色指示器
// UIActivityIndicatorViewStyleWhite标准尺寸白色只指示器
// UIActivityIndicatorViewStyleGray灰色指示器,用于白色背景
activityView = [[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhiteLarge];
activityView.frame = CGRectMake(0, 0, 40, 40);
activityView.center = self.view.center;
//设置颜色
activityView.color = [UIColor redColor];
//指示器停止后自动隐藏
activityView.hidesWhenStopped = YES;
[self.view addSubview:activityView];
[activityView release];
UIButton *starButton = [UIButton buttonWithType:UIButtonTypeSystem];
starButton.frame = CGRectMake(100, 100, 40, 40);
[starButton setTitle:@"开始" forState:UIControlStateNormal];
[starButton addTarget:self action:@selector(starAnimation) forControlEvents:UIControlEventTouchUpInside];
[self.view addSubview:starButton];
UIButton *stopButton = [UIButton buttonWithType:UIButtonTypeSystem];
stopButton.frame = CGRectMake(100, 160, 40, 40);
[stopButton setTitle:@"停止" forState:UIControlStateNormal];
[stopButton addTarget:self action:@selector(stopAnimation) forControlEvents:UIControlEventTouchUpInside];
[self.view addSubview:stopButton];
}
- (void)starAnimation
{
[activityView startAnimating];//开启动画
}
- (void)stopAnimation
{
[activityView stopAnimating];//关闭动画
}
@end