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3792 ワード

1.// interactivePopGestureRecognizer delegate back 
    self.interactivePopGestureRecognizer.delegate = nil;

    // 
    self.interactivePopGestureRecognizer.enabled = NO;
2.// 
    bar.translucent = NO;
3. NavigationBar :
 NSMutableDictionary *dict = [NSMutableDictionary dictionary];
    dict[NSFontAttributeName] = [UIFont systemFontOfSize:20];
    dict[NSForegroundColorAttributeName] = [UIColor whiteColor];

    [bar setTitleTextAttributes:dict];
4. ( ):self.topViewController
     push :[self.viewControllers firstObject] 
     , 
 , , , 。。。 cityButton
 View addSubView, insert..... 

 view , , , , , addSubView,remove , 
 UICollectionViewFlowLayout , flowlayout ,
layout.itemSize
// cell item 
layout.minimumInteritemSpacing
layout.minimumLineSpacing
layout.sectionInset = UIEdgeInsetsMake();
// 。。。。。。。
- (UIView *)hitTest:(CGPoint)point withEvent:(UIEvent *)event
{
    /*   , cell iconButton  */
    // 1. 
    if (self.userInteractionEnabled == NO || self.hidden == YES || self.alpha <= 0.01) return nil;

    // 2.  
    if ([self pointInside:point withEvent:event] == NO) return nil;

    return self.iconButton;
}
// , 
self.layer.shadowOpacity = 0.1;
    self.layer.shadowOffset = CGSizeMake(0, 2);