Iphone 更改UIActivityIndicator';在设置动画时设置颜色
是否可以在UIActivityIndicatorView仍处于动画状态时更改其颜色?如果有人遇到此问题,您可以建议我在iOS 5.0及更高版本中使用setColor:Iphone 更改UIActivityIndicator';在设置动画时设置颜色,iphone,ios,objective-c,uiactivityindicatorview,Iphone,Ios,Objective C,Uiactivityindicatorview,是否可以在UIActivityIndicatorView仍处于动画状态时更改其颜色?如果有人遇到此问题,您可以建议我在iOS 5.0及更高版本中使用setColor:UIActivityIndicatorView上设置自定义颜色 像 编辑:- 试试这个 [activityIndicator setBackgroundColor:[UIColor blackColor]]; 我为你找到了一个美丽的链接: 我想你应该试试 您可以从以下任何一项中更改: UIActivityIndicatorVie
UIActivityIndicatorView
上设置自定义颜色
像
编辑:-
试试这个
[activityIndicator setBackgroundColor:[UIColor blackColor]];
我为你找到了一个美丽的链接: 我想你应该试试 您可以从以下任何一项中更改: UIActivityIndicatorViewStyleWhiteLarge,
UIActivityIndicatorViewStyleWhite,
UIActivityIndicatorViewStyleGray
希望对你有帮助 可以在网络视图中执行此操作。根据您的视图添加“gif”图像。
NSString *path = [[NSBundle mainBundle] bundlePath];
NSURL *baseURL = [NSURL fileURLWithPath:path];
NSString *html2=[NSString stringWithFormat:@"<html><body leftmargin=\"0\" topmargin=\"0\" marginwidth=\"0\" marginheight=\"0\"><img id=\"img\" src=\"%@\" alt=\"\" width=\"32\" height=\"32\" ></body><html>",@"loader.gif"];
[self.web_Loader loadHTMLString:html2 baseURL:baseURL];
NSString*path=[[NSBundle mainBundle]bundlePath];
NSURL*baseURL=[NSURL fileURLWithPath:path];
NSString*html2=[NSString stringWithFormat:@“”@“loader.gif”];
[self.web_Loader loadHTMLString:html2 baseURL:baseURL];
我刚刚在视图控制器类中尝试了以下代码,它在iOS 5上运行正常+
#import "ViewController.h"
@interface ViewController ()
@property UIActivityIndicatorView *activityIndicator;
@end
@implementation ViewController
- (void)viewDidLoad
{
[super viewDidLoad];
// Do any additional setup after loading the view, typically from a nib.
[self.view setBackgroundColor:[UIColor clearColor]];
_activityIndicator = [[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhiteLarge];
[_activityIndicator setCenter:self.view.center];
[self.view addSubview:_activityIndicator];
[_activityIndicator startAnimating];
[NSTimer scheduledTimerWithTimeInterval:2.0 target:self selector:@selector(changeColor) userInfo:nil repeats:NO];
}
- (void)changeColor
{
_activityIndicator.color = [UIColor redColor];
}
@end
否则,我认为您是
init
值的两倍这很酷,但实际上我需要的是更改默认UIActivityIndicator的颜色。无论如何,谢谢。:)明亮的我尝试了一切,直到我尝试了延迟设置,才对可见颜色产生任何影响。我想看看我是否可以直接调度到主队列以获得一点延迟,但是哇-现在有希望了!!!不知道你是怎么想出来的,但无论如何它都很精彩!
if([ind isAnimating])
{
[ind setColor:[UIColor redColor]];
}
#import "ViewController.h"
@interface ViewController ()
@property UIActivityIndicatorView *activityIndicator;
@end
@implementation ViewController
- (void)viewDidLoad
{
[super viewDidLoad];
// Do any additional setup after loading the view, typically from a nib.
[self.view setBackgroundColor:[UIColor clearColor]];
_activityIndicator = [[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhiteLarge];
[_activityIndicator setCenter:self.view.center];
[self.view addSubview:_activityIndicator];
[_activityIndicator startAnimating];
[NSTimer scheduledTimerWithTimeInterval:2.0 target:self selector:@selector(changeColor) userInfo:nil repeats:NO];
}
- (void)changeColor
{
_activityIndicator.color = [UIColor redColor];
}
@end
refreshSpinner.color = [UIColor colorWithRed:X/255 green:Y/255 blue:Z/255 alpha:1.0];