iOS.UIKit.06.UIProgressView_UIActivityIndicatorView

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一、案例介紹：點擊按鈕upload,活動指標轉動，再次點擊停止轉動；點擊download按鈕進度條載入滿後提示，01，圖02。

圖01圖02

二、案例步驟：

1、選擇Simple View Aplication,取名cq.31.活動指標和進度條,03。

圖03

2、Main.storyboard,04，圖05。

圖04圖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