#import "ViewController.h"
@interface
ViewController ()
@end
@implementation ViewController
- (void)viewDidLoad {
// UIActivityIndicatorView
等待旋转
[super
viewDidLoad];
UIButton * btn = [[UIButton
alloc]initWithFrame:CGRectMake(100,
100, 140,
45)];
btn.backgroundColor = [UIColor
greenColor];
[btn addTarget:self
action:@selector(click)
forControlEvents:UIControlEventTouchUpInside];
[self.view
addSubview:btn];
self.view.backgroundColor = [UIColor
blueColor];
UIActivityIndicatorView * act = [[UIActivityIndicatorView
alloc]initWithFrame:CGRectMake(0,
0, 100,
100)];
act.activityIndicatorViewStyle =
UIActivityIndicatorViewStyleWhiteLarge;
act.center =
self.view.center;
act.tag =
110;
[act startAnimating];
[self.view
addSubview:act];
// RGB格式转换 123 23 233 (255,255,255) alpha是透明度
act.backgroundColor = [UIColor
colorWithRed:1/123
green:1/23
blue:1/233
alpha:0.5];//自定义颜色
}
- (void)didReceiveMemoryWarning {
[super
didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
- (void)click{
UIActivityIndicatorView * act = (UIActivityIndicatorView *)[self.view
viewWithTag:110];
if ([act isAnimating]) {
[act
stopAnimating];
}else{
[act
startAnimating];
}
}
@end
UI控件 UIActivityIndicatorView 等待时出现的动态旋转图，以及自定义颜色UI控件 UIActivityIndicatorView 等待时出现的动态旋转图，以及自定义颜色UI控件 UIActivityIndicatorView 等待时出现的动态旋转图，以及自定义颜色UI控件
UIActivityIndicatorView 等待时出现的动态旋转图，以及自定义颜色UI控件 UIActivityIndicatorView 等待时出现的动态旋转图，以及自定义颜色UI控件 UIActivityIndicatorView 等待时出现的动态旋转图，以及自定义颜色UI控件 UIActivityIndicatorView 等待时出现的动态旋转图，以及自定义颜色UI控件 UIActivityIndicatorView 等待时出现的动态旋转图，以及自定义颜色UI控件 UIActivityIndicatorView
等待时出现的动态旋转图，以及自定义颜色