Button 连续点击事件
作者:互联网
#import <UIKit/UIKit.h> #define defaultInterval .5 //默认时间间隔 @interface UIButton (touch) /**设置点击时间间隔*/ @property (nonatomic, assign) NSTimeInterval timeInterval; @end
#import "UIButton+touch.h" #import<objc/runtime.h> @interface UIButton() /**bool 类型 设置是否执行点UI方法*/ @property (nonatomic, assign) BOOL isIgnoreEvent; @end @implementation UIButton (touch) + (void)load{ static dispatch_once_t onceToken; dispatch_once(&onceToken, ^{ SEL selA = @selector(sendAction:to:forEvent:); SEL selB = @selector(mySendAction:to:forEvent:); Method methodA = class_getInstanceMethod(self,selA); Method methodB = class_getInstanceMethod(self, selB); BOOL isAdd = class_addMethod(self, selA, method_getImplementation(methodB), method_getTypeEncoding(methodB)); if (isAdd) { class_replaceMethod(self, selB, method_getImplementation(methodA), method_getTypeEncoding(methodA)); }else{ method_exchangeImplementations(methodA, methodB); } }); } - (NSTimeInterval)timeInterval { return [objc_getAssociatedObject(self, _cmd) doubleValue]; } - (void)setTimeInterval:(NSTimeInterval)timeInterval { objc_setAssociatedObject(self, @selector(timeInterval), @(timeInterval), OBJC_ASSOCIATION_RETAIN_NONATOMIC); } - (void)mySendAction:(SEL)action to:(id)target forEvent:(UIEvent *)event { if ([NSStringFromClass(self.class) isEqualToString:@"UIButton"]) { if (self.isIgnoreEvent == 0) { self.timeInterval = defaultInterval; }; if (self.isIgnoreEvent) return; if (self.timeInterval > 0) { self.isIgnoreEvent = YES; [self performSelector:@selector(setIsIgnoreEvent:) withObject:@(NO) afterDelay:self.timeInterval]; } } [self mySendAction:action to:target forEvent:event]; } - (void)setIsIgnoreEvent:(BOOL)isIgnoreEvent{ objc_setAssociatedObject(self, @selector(isIgnoreEvent), @(isIgnoreEvent), OBJC_ASSOCIATION_RETAIN_NONATOMIC); } - (BOOL)isIgnoreEvent{ return [objc_getAssociatedObject(self, _cmd) boolValue]; } @endUIButton+touch.m
标签:timeInterval,self,isIgnoreEvent,class,点击,事件,UIButton,selector,Button 来源: https://www.cnblogs.com/kingstudy/p/11482285.html