一、案例介绍：点击按钮upload,活动指示器转动，再次点击停止转动；点击download按钮进度条加载满后提示，如图01，图02。
图01
图02
二、案例步骤：
1、选择Simple View Aplication,取名cq.31.活动指示器和进度条,如图03。
图03
2、Main.storyboard,如图04，图05。
图04
图05
3、CQ31ViewController.h
#import <UIKit/UIKit.h>@interface CQ31ViewController : UIViewController
{
NSTimer *myTimer;
}
@property(nonatomic,strong) NSTimer *myTimer;
@property (weak, nonatomic) IBOutlet UIActivityIndicatorView *myActivityIndicatorView;
@property (weak, nonatomic) IBOutlet UIProgressView *myProgressView;- (IBAction)startToMove:(id)sender;
- (IBAction)downloadProgress:(id)sender;@end
4、CQ31ViewController.m
#import "CQ31ViewController.h"@interface CQ31ViewController ()
@end
@implementation CQ31ViewController
@synthesize myTimer;- (void)viewDidLoad
{
[super viewDidLoad];
// Do any additional setup after loading the view, typically from a nib.
}- (void)didReceiveMemoryWarning
{
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}- (IBAction)startToMove:(id)sender
{
if ([self.myActivityIndicatorView isAnimating]) {
[self.myActivityIndicatorView stopAnimating];
}else{
[self.myActivityIndicatorView startAnimating];
}
}- (IBAction)downloadProgress:(id)sender
{
myTimer = [NSTimer scheduledTimerWithTimeInterval:1.0 target:self selector:@selector(download) userInfo:nil repeats:YES];
}- (void)download
{
self.myProgressView.progress=self.myProgressView.progress+0.1;
if (self.myProgressView.progress==1.0) {
[myTimer invalidate];
UIAlertView*alert=[[UIAlertView alloc]initWithTitle:@"download completed！"
message:@""
delegate:nil
cancelButtonTitle:@"OK"
otherButtonTitles: nil];
[alert show];
}
}@end
iOS.UIKit.06.UIProgressView_UIActivityIndicatorView,布布扣,bubuko.com