UISegmentedControl 分段控件
#import "AppDelegate.h"
#import "RootViewController.h"
@interface AppDelegate ()
@end
@implementation AppDelegate
- (void)dealloc
{
[_window release];
[super dealloc];
}
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
self.window = [[[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]] autorelease];
// Override point for customization after application launch.
self.window.backgroundColor = [UIColor whiteColor];
RootViewController *rootVC = [[RootViewController alloc]init];
self.window.rootViewController = rootVC;
[rootVC release];
[self.window makeKeyAndVisible];
return YES;
}
#import "RootViewController.h"
@interface RootViewController ()
@end
@implementation RootViewController
- (void)viewDidLoad {
[super viewDidLoad];
// Do any additional setup after loading the view.
//创建一个分段控件
UISegmentedControl *rootView1 = [[UISegmentedControl alloc]initWithItems:@[@"全部商家",@"优惠商家",@"我的"]];
rootView1.center = CGPointMake(180, 100);
// 修改 文字的颜色为橘色
rootView1.tintColor = [UIColor orangeColor];
// [rootView1 setTintColor:[UIColor orangeColor]];
// rootView1.backgroundColor = [UIColor orangeColor];
// 每个 rootView1 的大小默认是平分整个 rootView1 的大小，如果把 apportionsSegmentWidthsByContent 设置为 YES，会根据内容来分配每一个 rootView1 的大小。
rootView1.apportionsSegmentWidthsByContent = YES;
// 设置当前 rootView1 为选中的下标
rootView1.selectedSegmentIndex = 1;
// 设置点击时处于阴影状态，点击后恢复原状
// rootView1.momentary = YES;
// 给 rootView1 添加事件
[rootView1 addTarget:self action:@selector(shiJian1:) forControlEvents:UIControlEventValueChanged];
[self.view addSubview:rootView1];
[rootView1 release];
}
- (void)shiJian1:(UISegmentedControl *)shijian1
{
NSLog(@"添加事件成功！");
// 根据当前选中的 rootView1 的下标，修改 self.view 的背景颜色。（0----->红色，1--->黄色，2---->蓝色）
// 方法一：
switch (shijian1.selectedSegmentIndex) {
case 0:
self.view.backgroundColor = [UIColor redColor];
shijian1.tintColor = [UIColor blackColor];
break;
case 1:
self.view.backgroundColor = [UIColor yellowColor];
shijian1.tintColor = [UIColor magentaColor];
break;
case 2:
self.view.backgroundColor = [UIColor blueColor];
shijian1.tintColor = [UIColor greenColor];
break;
default:
break;
}
// 方法二：
// if (shijian1.selectedSegmentIndex == 0)
// {
// self.view.backgroundColor = [UIColor magentaColor];
// }else if(shijian1.selectedSegmentIndex == 1)
// {
// self.view.backgroundColor = [UIColor yellowColor];
// }else if(shijian1.selectedSegmentIndex == 2)
// {
// self.view.backgroundColor = [UIColor purpleColor];
// }
}
