iOS UIScrollView與滑動返回沖突

在網(wǎng)上搜羅了一些方法,因為我目前項目中的界面比較復雜,所以一些方法已被pass掉,目前還有以下方法可用。

方案一:


//當前為側滑手勢的時候設置scrollview手勢失效才即可

    NSArray *gestureArray = self.navigationController.view.gestureRecognizers;
    for (UIGestureRecognizer *gesture in gestureArray) {
        if ([gesture isKindOfClass:[UIScreenEdgePanGestureRecognizer class]]) {
            [self.bottomView.panGestureRecognizer requireGestureRecognizerToFail:gesture];
        }
    }

+1s

    [_smallScrollView.panGestureRecognizer requireGestureRecognizerToFail:self.navigationController.interactivePopGestureRecognizer];

    [_bigScrollView.panGestureRecognizer requireGestureRecognizerToFail:self.navigationController.interactivePopGestureRecognizer];

手勢返回沖突.jpg

方案二:新建繼承自UIScrollView的類,然后將當前控制器中的ScrollView替換,在.m中重寫一下方法


#import <UIKit/UIKit.h>

@interface BottomScrollView : UIScrollView
{
    
    BOOL isBack;
    
}
@end


#import "BottomScrollView.h"

@implementation BottomScrollView

-(BOOL) gestureRecognizerShouldBegin:(UIGestureRecognizer *)gestureRecognizer{
    if([self panBack:gestureRecognizer]) {
        return NO;
    }
    return YES;
}

- (BOOL)panBack:(UIGestureRecognizer*)gestureRecognizer{
    
    if(gestureRecognizer == self.panGestureRecognizer) {
        
        UIPanGestureRecognizer *pan = (UIPanGestureRecognizer*)gestureRecognizer;
        
        CGPoint point = [pan translationInView:self];
        
        UIGestureRecognizerState state = gestureRecognizer.state;
        
        if(UIGestureRecognizerStateBegan== state ||UIGestureRecognizerStatePossible== state) {
            
            CGPoint location = [gestureRecognizer locationInView:self];

            if(point.x>0&& location.x<150&&self.contentOffset.x<=0) {
                
                isBack=YES;
                return YES;
            }
        }
    }
    return NO;
}


-(BOOL)gestureRecognizer:(UIGestureRecognizer*)gestureRecognizer shouldRecognizeSimultaneouslyWithGestureRecognizer:(nonnull UIGestureRecognizer*)otherGestureRecognizer{
    
    if(isBack) {
        isBack=NO;
        return YES;
    }else{
        return NO;
    }
}

@end

非常感謝各位大佬的分享與交流,也希望我的發(fā)布能夠幫助到跟多的人。

最后編輯于
?著作權歸作者所有,轉(zhuǎn)載或內(nèi)容合作請聯(lián)系作者
【社區(qū)內(nèi)容提示】社區(qū)部分內(nèi)容疑似由AI輔助生成,瀏覽時請結合常識與多方信息審慎甄別。
平臺聲明:文章內(nèi)容(如有圖片或視頻亦包括在內(nèi))由作者上傳并發(fā)布,文章內(nèi)容僅代表作者本人觀點,簡書系信息發(fā)布平臺,僅提供信息存儲服務。

相關閱讀更多精彩內(nèi)容

友情鏈接更多精彩內(nèi)容