Question

I have created myself popup menu(draw an uiview and list some items). But I hope when touch any place outside the uiview, the popup menu will disappear.

我试图使用

- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event
{

    //UITouch* touch = [touches anyObject];


}


- (void)touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event
{ 
}

要赶上感触活动,但认为有时不会启动上述职能。

欢迎任何意见

增编

联合国

Answer 1

What do you implement in the touchesCanceled:withEvent: ? Sometimes the touch flow will be touchesBegan -> (touchesMoved) -> touchesCanceled, no touchesEnded happaned.

Answer 2

过去,我已经这样做,建立了“国际律师联合会”意见书,随后推翻了“国际律师联合会”类的分点方法。这是每当发出问答通知时都会发射的。当发生这种情况时,你可以发现,这段话题是否在你的意见范围内或之外。

例如,您的《国际律师联合会》认为:

<>Custom TouchUIView.h

#import 

@protocol CustomTouchUIViewDelegate

- (void) uiViewTouched:(BOOL)wasInside;

@end

@interface CustomTouchUIView : UIView 

// Properties
@property (nonatomic, assign) id delegate;

@end

<>Custom TouchUIView.m

#import "TOTouchUIView.h"

@implementation CustomTouchUIView

#pragma mark - Synthesize
@synthesize delegate;

#pragma mark - Touches
- (BOOL)pointInside:(CGPoint)point withEvent:(UIEvent *)event
{
    if( point.x > 0 && point.x < self.frame.size.width && point.y > 0 && point.y < self.frame.size.height )
    {
        [delegate uiViewTouched:YES ];
        return YES;
    }

    [delegate uiViewTouched:NO ];
    return NO;
}
@end

我有一个可下载的例子:。

友情链接