我嘗試在按鈕單擊後將值設置爲滑塊, 但它不起作用 - 滑塊不移動。代碼運行正常,沒有錯誤。設置滑塊值
它應該很簡單,但我不明白。 xCode版本4.5.2
謝謝!
這裏我的代碼:
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;
}
嘗試設置'minimumValue'和'maximumValue'先正確的價值觀 – onmyway133