常用片段 button Label

最新推荐文章于 2024-10-03 20:10:04 发布

转载最新推荐文章于 2024-10-03 20:10:04 发布 · 56 阅读

0 ·

CC 4.0 BY-SA版权

原文链接：http://www.cnblogs.com/hl666/p/3756820.html

本文介绍了如何在iOS应用中创建UILabel和UIButton等UI元素，并展示了如何通过代码设置这些元素的位置、大小及样式。

摘要生成于 C知道，由 DeepSeek-R1 满血版支持，前往体验 >

-(void)creatLabel

{

label = [[UILabelalloc] init];

label.frame=CGRectMake(60, 100, 200, 50);

NSString *text = @"这是一个测试！！！";

label.text = text;

[labelsetNumberOfLines:0];

UIFont *font = [UIFontfontWithName:@"Arial"size:14];

label.font = font;

[self.viewaddSubview:label];

}

-(void)creatBtn

{

UIButton *btn = [UIButtonbuttonWithType:UIButtonTypeRoundedRect];//初始化button，选择button类型

btn.frame = CGRectMake(130, 100, 90, 35);//大小和位置

[btn setTitle:@"ZoomIn"forState:UIControlStateNormal];//正常状况下button显示的标题

[btn addTarget:selfaction:@selector(showSelectmessage) forControlEvents:UIControlEventTouchUpInside];//

[self.view addSubview:btn];

}

 1 - (void)createTabBar{
 2     NSArray *array = [NSArray arrayWithObjects:@"登录_09.png",@"登录_10.png",@"登录_12.png",@"登录_13.png",@"登录_14.png", nil];
 3     NSLog(@"array :%d",array.count);
 4     
 5     for (int i = 0; i<array.count; i++) {
 6         UIButton *btn = [UIButton buttonWithType:UIButtonTypeCustom];
 7         [btn setBackgroundImage:[UIImage imageNamed:[array objectAtIndex:i]] forState:UIControlStateNormal];
 8         [btn setFrame:CGRectMake(i*64,0,64,44)];
 9         btn.tag = i+100;
10         [btn addTarget:self action:@selector(tabBtnClciked:) forControlEvents:UIControlEventTouchUpInside];
11         if (i==0) {
12             btn.selected = YES;
13         }
14         [self addSubview:btn];
15     }
16 
17 }