自訂進度條(菜鳥版)，自訂進度條菜鳥

自訂進度條(菜鳥版)，自訂進度條菜鳥

下面是代碼 ， 部分有註解

先建立一個類 

#import <UIKit/UIKit.h>@interface MYjindutiao : UIView@property(strong,nonatomic)UIView *aview;@property(strong,nonatomic)UIView *bview;@property(strong,nonatomic)UILabel *laber;@property(strong,nonatomic)NSTimer *time;@property(assign,nonatomic)int  a;@end

 

 

 

 

#import "MYjindutiao.h"@implementation MYjindutiao- (instancetype)initWithFrame:(CGRect)frame{    self = [super initWithFrame:frame];    if (self) {                self.aview=[[UIView alloc]initWithFrame:CGRectMake(100, 100, 200, 30)];        self.aview.backgroundColor=[UIColor colorWithRed:0.082 green:0.969 blue:1.000 alpha:1.000];        //使它邊角變圓        self.aview.layer.cornerRadius=10;        self.aview.layer.masksToBounds=YES;        self.bview=[[UIView alloc]initWithFrame:CGRectMake(0, 0, 0, 30)];        self.bview.backgroundColor=[UIColor colorWithRed:0.020 green:1.000 blue:0.085 alpha:1.000];        self.bview.layer.cornerRadius=10;        self.bview.layer.masksToBounds=YES;        self.laber=[[UILabel alloc]initWithFrame:CGRectMake(100, 200, 200, 200)];        self.laber.backgroundColor=[UIColor colorWithRed:1.000 green:0.885 blue:0.050 alpha:1.000];        //使laber變成球形        self.laber.layer.cornerRadius=100;        self.laber.layer.masksToBounds=YES;        //字型置中        self.laber.textAlignment=NSTextAlignmentCenter;        //字型放大        self.laber.font=[UIFont systemFontOfSize:40 weight:40];        self.laber.textColor=[UIColor colorWithRed:0.957 green:0.950 blue:1.000 alpha:1.000];        [self addSubview:self.aview];        [self.aview addSubview:self.bview];        [self addSubview: self.laber];        self.time=[NSTimer scheduledTimerWithTimeInterval:0.01 target:self selector:@selector(change) userInfo:nil repeats:YES];        [[NSRunLoop mainRunLoop] addTimer:self.time forMode:NSDefaultRunLoopMode];                            }    return self;}-(void)change{    CGRect chFrame=self.bview.frame;    chFrame.size.width+=0.25;    self.bview.frame=chFrame;    self.laber.text=[NSString stringWithFormat:@"%.2f%%",self.bview.frame.size.width/2];    if (self.bview.frame.size.width==self.a) {        //清除定時器        [self.time invalidate];    }    }@end

 

 

#import <UIKit/UIKit.h>#import "MYjindutiao.h"@interface ViewController : UIViewController@property(strong,nonatomic)MYjindutiao *jindutiao;@end

 

 

#import "ViewController.h"@interface ViewController ()@end@implementation ViewController- (void)viewDidLoad {    [super viewDidLoad];        self.jindutiao=[[MYjindutiao alloc]initWithFrame:CGRectMake(0, 100, 300, 500)];    self.jindutiao.a=160;    [self.view addSubview:self.jindutiao];        }- (void)didReceiveMemoryWarning {    [super didReceiveMemoryWarning];    // Dispose of any resources that can be recreated.}@end