xiaopuzzz

- (void)setTitle:(NSString *)title { if (title.length > 0 && _title != title) { _title = title; [self setTitle:nil forState:UIControlStateNormal]; if (!_rectTitleLabel) { _rectTitleLabel = [[UILabel a

子类中没有用到的父类的属性 用@class 否则用#import

- (void)tableView:(BaseTableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {//执行点击动作//......[tableView deselectRowAtIndexPath:indexPath animated:NO];}

结构体不属于对象，应使用NSValue进行封装

CABasicAnimation animationWithKeyPath TypesWhen using the ‘CABasicAnimation’ from the QuartzCore Framework in Objective-C, you have to specify an animationWithKeyPath.  This is a long string and i

让自定义的cell成为uigesturerecognizerdelegate 复写 gestureRecognizerShouldBegin 方法- (BOOL)gestureRecognizerShouldBegin:(UIPanGestureRecognizer *)gestureRecognizer{       if ([gestureRecognizer is

先看这篇http://blog.sina.com.cn/s/blog_7b9d64af01018f2u.html 另外补充一下 调用initWithNibName方法 不会调用 awakeFromNib 这个方法 用 viewWithTag方法获取控件的同学需要注意 如果viewWithTag写在awakeFromNib方法内 是不会调用的而loadNibNamed方法会调用awake

0  CGContextRef context = UIGraphicsGetCurrentContext(); 设置上下文1 CGContextMoveToPoint 开始画线2 CGContextAddLineToPoint 画直线4 CGContextAddEllipseInRect 画一椭圆4 CGContextSetLineCap 设置线条终点形状

原文：http://www.thinkandbuild.it/working-with-custom-container-view-controllers/