摘要：22.看了苹果的文档，里面有这一句话：All launch images must be PNG files and must reside in the top level of your application’s bundle directory来是不能用jpg做启动画面的 23 UIWebV... 阅读全文

摘要：11.自适应文本高度1 NSDictionary *attributes = @{NSFontAttributeName: [UIFont systemFontOfSize:14]};2 3 CGRect rect = [text boundingRectWithSize:CGSizeMake(Vi... 阅读全文