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两个关于图标制作的网站

APP图标制作

成套生产APP各种分辨率的网站

经过观察多款主流新闻App决定添加四项底部的Item

首页推荐发现我

UIView的contentMode属性

typedef enum {//见名知意    UIViewContentModeScaleToFill,    UIViewContentModeScaleAspectFit,      // contents scaled to fit with fixed aspect. remainder is transparent    UIViewContentModeScaleAspectFill,     // contents scaled to fill with fixed aspect. some portion of content may be clipped.    UIViewContentModeRedraw,              // redraw on bounds change (calls -setNeedsDisplay)    UIViewContentModeCenter,              // contents remain same size. positioned adjusted.    UIViewContentModeTop,    UIViewContentModeBottom,    UIViewContentModeLeft,    UIViewContentModeRight,    UIViewContentModeTopLeft,    UIViewContentModeTopRight,    UIViewContentModeBottomLeft,    UIViewContentModeBottomRight,} UIViewContentMode;

macdown Screenshot

UINavigationController的层次结构

在BaseViewController中由此方法

- (UIStatusBarStyle)preferredStatusBarStyle {    //取到 栈中最顶层的 topViewController    UIViewController *vc = self.topViewController;    //给他设置style    UIStatusBarStyle style = [vc preferredStatusBarStyle];    return style;}