UIView一些简单工具方法

UIView+Util.h

//
//  UIView+Util.h
//
//  Created by manjun.han on 12-12-5.
//  Copyright (c) 2012年  All rights reserved.
//

#import <UIKit/UIKit.h>

@interface UIView (Util)


-(UIView*)subViewContainTouchPoint:(CGPoint)touchPoint ;

- (void)removeAllSubviews ;

- (void)removeAllSublayers ;

- (void)removeAllGestures ;

- (void)removeGestureByType:(Class)gestureTypeClass ;

@end

UIView+Util.m

//
//  UIView+Util.m
//
//  Created by manjun.han on 12-12-5.
//  Copyright (c) 2012年 All rights reserved.
//

#import "UIView+Util.h"
#import <QuartzCore/QuartzCore.h>

@implementation UIView (Util)


- (UIView*)subViewContainTouchPoint:(CGPoint)touchPoint ;
{
    if(!self.subviews || self.subviews.count == 0){
        return nil ;
    }
    UIView *subView ;
    for(int i = self.subviews.count-1 ; i >= 0  ; i--){
        subView = [self.subviews objectAtIndex:i];
        if(CGRectContainsPoint(subView.frame, touchPoint)){
            return subView ;
        }
    }
    return nil ;
}

- (void)removeAllSubviews
{
    for (UIView *subview in self.subviews) {
        [subview removeFromSuperview] ;
    }
}

- (void)removeAllSublayers
{
    CALayer *layer = self.layer ;
 
    for (CALayer *sublayer in layer.sublayers) {
        [sublayer removeFromSuperlayer] ;
    }
}

- (void)removeAllGestures
{
    for (UIGestureRecognizer *gesture in self.gestureRecognizers) {
        [self removeGestureRecognizer:gesture] ;
    }
}

- (void)removeGestureByType:(Class)gestureTypeClass
{
    for (UIGestureRecognizer *gesture in self.gestureRecognizers) {
        if ([gesture isKindOfClass:gestureTypeClass]) {
            [self removeGestureRecognizer:gesture];
        }
    }
}

@end