崩溃问题

[NSaylor]

UINavigationBar (ZYItemHitRect)

• (UIView )hitTest:(CGPoint)point withEvent:(UIEvent )event {

  UIView view = [super hitTest:point withEvent:event]; if (point.x<= DP_SCREEN_WIDTH 0.5) { for (UIBarButtonItem buttonItem in self.topItem.leftBarButtonItems) { if (buttonItem.customView == nil) { continue; } /// 根据实际情况(自己项目UIBarButtonItem的层级)获取button UIButton itemBtn = nil; if ([buttonItem.customView isKindOfClass:[UIButton class]]) { itemBtn = (UIButton )buttonItem.customView; } else if ([buttonItem.customView isKindOfClass:[UIView class]]) { itemBtn = (UIButton )buttonItem.customView.subviews.firstObject; } /// 将button的坐标系从父视图转化到UINavigationBar上 CGRect newRect = [itemBtn convertRect:[itemBtn hitFrame] toView:self]; /// 如果触摸点在button的响应范围内,让button响应此次触摸事件 if (CGRectContainsPoint(newRect, point)) { view = itemBtn; break; } } } else { for (UIBarButtonItem buttonItem in self.topItem.rightBarButtonItems) { if (buttonItem.customView == nil) { continue; } UIButton itemBtn = nil; if ([buttonItem.customView isKindOfClass:[UIButton class]]) { itemBtn = (UIButton )buttonItem.customView; } else if ([buttonItem.customView isKindOfClass:[UIView class]]) { itemBtn = (UIButton )buttonItem.customView.subviews.firstObject; }

     //在此需要增加一处判断  
      if (![itemBtn isKindOfClass:[UIButton class]]) {
          break;
      }
  
      CGRect newRect = [itemBtn convertRect:[itemBtn hitFrame] toView:self];
      if (CGRectContainsPoint(newRect, point)) {
          view = itemBtn;
          break;
      }
  }

  } return view; }

[NSaylor]

漏了一块 上面也需要加判断