【UIKit-100-1】UIStepper

最新推荐文章于 2025-05-28 21:12:11 发布

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最新推荐文章于 2025-05-28 21:12:11 发布

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本文链接：https://blog.youkuaiyun.com/u013059266/article/details/49453865

本文详细介绍了iOS中UIStepper控件的使用方法及属性设置，包括如何控制自动重复、循环显示等特性，并提供了设置背景图片、按钮图片的具体方法。

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@interface UIStepper : UIControl

@property(nonatomic,getter=isContinuous) BOOL continuous; // if YES, value change events are sent any time the value changes during interaction. default = YES

@property(nonatomic) BOOL autorepeat; // if YES, press & hold repeatedly alters value. default = YES

@property(nonatomic) BOOL wraps; // if YES, value wraps from min <-> max. default = NO

@property(nonatomic) double value; // default is 0. sends UIControlEventValueChanged. clamped to min/max

@property(nonatomic) double minimumValue; // default 0. must be less than maximumValue

@property(nonatomic) double maximumValue; // default 100. must be greater than minimumValue

@property(nonatomic) double stepValue; // default 1. must be greater than 0

@property(nonatomic,retain) UIColor *tintColor NS_AVAILABLE_IOS(6_0);

step = [[UIStepper alloc]initWithFrame:CGRectMake(111, 111, 111, 111)];

[self.view addSubview:step];

[step addTarget:self action:@selector(shishi) forControlEvents:UIControlEventValueChanged];

step.autorepeat = NO; // 按住是否持续增加

step.wraps = NO; // 是否在最小

step.minimumValue = 10;

step.maximumValue = 50;

step.stepValue = 5;

step.tintColor = [UIColor greenColor];

// 可用时的背景，不可用的+ - 是没有图片的

- (void)setBackgroundImage:(UIImage*)image forState:(UIControlState)state NS_AVAILABLE_IOS(6_0) UI_APPEARANCE_SELECTOR;

- (UIImage*)backgroundImageForState:(UIControlState)state NS_AVAILABLE_IOS(6_0) UI_APPEARANCE_SELECTOR;

// 中间的图片，貌似没什么软用

- (void)setDividerImage:(UIImage*)image forLeftSegmentState:(UIControlState)leftState rightSegmentState:(UIControlState)rightState NS_AVAILABLE_IOS(6_0) UI_APPEARANCE_SELECTOR;

- (UIImage*)dividerImageForLeftSegmentState:(UIControlState)state rightSegmentState:(UIControlState)state NS_AVAILABLE_IOS(6_0) UI_APPEARANCE_SELECTOR;