iOS中长条蓝色按钮(button)实现代码

- (void)viewDidLoad {
 [super viewDidLoad];
 // Do any additional setup after loading the view, typically from a nib.
 //添加设备
 UIButton *deviceButton=[UIButton buttonWithType:UIButtonTypeRoundedRect];
 deviceButton.frame=CGRectMake((self.view.frame.size.width-320)/2, 100, 320, 38);
 [deviceButton setTitle:@"添加设备" forState:UIControlStateNormal];
 deviceButton.backgroundColor=[UIColor colorWithRed:59/255.0 green:89/255.0 blue:152/255.0 alpha:1.0];
 deviceButton.titleLabel.textColor=[UIColor whiteColor];
 [deviceButton setTintColor:[UIColor whiteColor]];
 [deviceButton addTarget:self action:@selector(doClickDeviceButton:) forControlEvents:UIControlEventTouchUpInside];
 [self.view addSubview:deviceButton];
}
#pragma -mark -doClickActions
//添加设备
-(void)doClickDeviceButton:(UIButton *)btn
{
 NSLog(@"---doClickDeviceButton----");
}