Ios 有没有办法在自定义UIButton中调用TouchUpInside操作？

我正在为我的应用程序编写自定义

ui按钮。但是，我想为按钮添加一个完整的操作。这样，我可以从操作中返回
BOOL
，然后在按钮中执行一些代码（即显示动画），然后调用完成方法

因此，理想情况下，我希望能够做到以下几点：

[button addAction:^(){
    NSLog(@"Action!");
    return true;
} completion:^() {
    NSLog(@"Completion!");
    return true;
} forControlEvents:UIControlEventTouchUpInside];

如何覆盖发生
UIControlEventTouchUpInside
时发生的情况？或者另一个控制事件。
您可以通过执行以下操作来实现这一点：

自定义按钮

@interface CustomButton : UIButton
- (void)addAction:(void (^)(CustomButton *button))action onCompletion:(void (^)(CustomButton *button))completion forControlEvents:(UIControlEvents)event;
@end

自定义按钮

#import "CustomButton.h"

@interface CustomButton ()

@property (nonatomic, copy) void(^actionHandler)(CustomButton *button);
@property (nonatomic, copy) void(^completionHandler)(CustomButton *button);

@end

@implementation CustomButton

/*
// Only override drawRect: if you perform custom drawing.
// An empty implementation adversely affects performance during animation.
- (void)drawRect:(CGRect)rect {
    // Drawing code
}
*/



- (void)addAction:(void (^)(CustomButton *button))action onCompletion:(void (^)(CustomButton *button))completion forControlEvents:(UIControlEvents)event
{
    self.actionHandler = action;
    self.completionHandler = completion;

    __weak __typeof__(self) weakSelf = self;
    [self addTarget:weakSelf action:@selector(buttonAction) forControlEvents:event];
}

- (void)buttonAction
{
    if (self.actionHandler) {
        self.actionHandler(self);
    }

    // This will execute right after executing action handler.
    // NOTE: If action handler is dispatching task, then execution of completionHandler will not wait for completion of dispatched task
    //       that should handled using some notification/kvo.
    if (self.completionHandler) {
        self.completionHandler(self);
    }
}


@end

您可以通过执行以下操作来实现这一点：

自定义按钮

@interface CustomButton : UIButton
- (void)addAction:(void (^)(CustomButton *button))action onCompletion:(void (^)(CustomButton *button))completion forControlEvents:(UIControlEvents)event;
@end

自定义按钮

#import "CustomButton.h"

@interface CustomButton ()

@property (nonatomic, copy) void(^actionHandler)(CustomButton *button);
@property (nonatomic, copy) void(^completionHandler)(CustomButton *button);

@end

@implementation CustomButton

/*
// Only override drawRect: if you perform custom drawing.
// An empty implementation adversely affects performance during animation.
- (void)drawRect:(CGRect)rect {
    // Drawing code
}
*/



- (void)addAction:(void (^)(CustomButton *button))action onCompletion:(void (^)(CustomButton *button))completion forControlEvents:(UIControlEvents)event
{
    self.actionHandler = action;
    self.completionHandler = completion;

    __weak __typeof__(self) weakSelf = self;
    [self addTarget:weakSelf action:@selector(buttonAction) forControlEvents:event];
}

- (void)buttonAction
{
    if (self.actionHandler) {
        self.actionHandler(self);
    }

    // This will execute right after executing action handler.
    // NOTE: If action handler is dispatching task, then execution of completionHandler will not wait for completion of dispatched task
    //       that should handled using some notification/kvo.
    if (self.completionHandler) {
        self.completionHandler(self);
    }
}


@end

您需要的信息在
UIControl
参考/编程指南中。它不特定于
ui按钮
。苹果的搜索现在很糟糕，所以我无法快速找到/粘贴任何内容，但这将为您指明正确的方向。您需要的信息在
UIControl
参考/编程指南中。它不特定于
ui按钮
。苹果的搜索现在糟透了，所以我无法快速找到/粘贴任何内容，但这将为您指明正确的方向。