1 #import "ViewController.h"
2
3 #import "UIView+FrameExtension.h"
4
7 #define kDeviceWidth [UIScreen mainScreen].bounds.size.width
8
9 #define kDeviceHeight [UIScreen mainScreen].bounds.size.height
10
13 @interface ViewController (){
14
15 UILabel *_lbl1;
16
17 UILabel *_lbl2;
18
19 UILabel *_lbl3;
20
21 UILabel *_lbl4;
25 NSTimer *_timer;
26
27 BOOL _isRunning;
28
29 }
33 @end
34
37 @implementation ViewController
38
41 - (void)viewDidLoad {
42
43 [super viewDidLoad];
44
47 [self createLabel]; //创建7个标签
48
49 [self createTimer]; //创建1个定时器
50
51 [self createButton]; //创建3个按
52
53 }
54
57 -(void)createLabel{
61 UILabel *lbl1 = [[UILabel alloc]initWithFrame:CGRectMake(90, 200, 30, 40)];
62
63 lbl1.text = @"00";
64
65 lbl1.textColor = [UIColor redColor];
66
67 [self.view addSubview:lbl1];
68
69 _lbl1 = lbl1;
70
73 UILabel *lbl11 = [[UILabel alloc]initWithFrame:CGRectMake(lbl1.right, lbl1.y, 10, lbl1.height)];
74
75 lbl11.text = @":";
76
77 lbl11.textColor = [UIColor redColor];
78
79 [self.view addSubview:lbl11];
80
83 UILabel *lbl2 = [[UILabel alloc]initWithFrame:CGRectMake(lbl11.right, lbl1.y, lbl1.width, lbl1.height)];
84
85 lbl2.text = @"00";
86
87 lbl2.textColor = [UIColor redColor];
88
89 [self.view addSubview:lbl2];
90
91 _lbl2 = lbl2;
92
95 UILabel *lbl22 = [[UILabel alloc]initWithFrame:CGRectMake(lbl2.right, lbl1.y, lbl11.width, lbl1.height)];
96
97 lbl22.text = @":";
98
99 lbl22.textColor = [UIColor redColor];
100
101 [self.view addSubview:lbl22];
102
103 UILabel *lbl3 = [[UILabel alloc]initWithFrame:CGRectMake(lbl22.right, lbl1.y, lbl1.width, lbl1.height)];
104
105 lbl3.text = @"00";
106
107 lbl3.textColor = [UIColor redColor];
108
109 [self.view addSubview:lbl3];
110
111 _lbl3 = lbl3;
112
115 UILabel *lbl33 = [[UILabel alloc]initWithFrame:CGRectMake(lbl3.right, lbl1.y, lbl11.width, lbl1.height)];
116
117 lbl33.text = @".";
118
119 lbl33.textColor = [UIColor redColor];
120
121 [self.view addSubview:lbl33];
122
123 UILabel *lbl4 = [[UILabel alloc]initWithFrame:CGRectMake(lbl33.right, lbl1.y, lbl1.width, lbl1.height)];
124
125 lbl4.text = @"00";
126
127 lbl4.textColor = [UIColor redColor];
128
129 [self.view addSubview:lbl4];
130
131 _lbl4 = lbl4;
132
137 }
141 -(void)createButton{
142
146
147 UIButton *btn1 = [[UIButton alloc]initWithFrame:CGRectMake(70, _lbl1.bottom+20, 60, 40)];
148
149 [btn1 setTitle:@"开始" forState:UIControlStateNormal];
150
151 [self.view addSubview:btn1];
152
153 [btn1 setBackgroundImage:[UIImage imageNamed:@"logoff_btn_s"] forState:UIControlStateNormal];
154
155 [btn1 setBackgroundImage:[UIImage imageNamed:@"submit_discussion_n"] forState:UIControlStateHighlighted];
156
157 [btn1 addTarget:self action:@selector(start ) forControlEvents:UIControlEventTouchUpInside];
158
163 UIButton *btn2 = [[UIButton alloc]initWithFrame:CGRectMake(btn1.right+10, btn1.y, btn1.