我尝试在按钮单击后将值设置为滑块, 但它不起作用 - 滑块不移动。代码运行正常,没有错误。设置滑块值
它应该很简单,但我不明白。 xCode版本4.5.2
谢谢!
这里我的代码:
ViewController.h
#import <UIKit/UIKit.h>
@interface ViewController : UIViewController
@property (weak, nonatomic) IBOutlet UILabel *debugLabel;
@property (weak, nonatomic) IBOutlet UISlider *slider;
- (IBAction)slider:(id)sender;
- (IBAction)ButtonChangeValue:(id)sender;
@end
ViewController.m
#import "ViewController.h"
@interface ViewController()
@end
@implementation ViewController
@synthesize slider;
...
- (IBAction)slider:(UISlider *)sender {
float value = [sender value];
self.debugLabel.text = [NSString stringWithFormat:@"Value: %f",value];
}
- (IBAction)ButtonChangeValue:(id)sender {
slider.value = 90;
}
尝试设置'minimumValue'和'maximumValue'先正确的价值观 – onmyway133