CATextLayer 文本颜色始终为黑色 [英] CATextLayer textcolor is always black

问题描述

我正在尝试将 CATextLayer 添加到 UITableViewCell.问题是文本呈现为黑色，而我已经设置了它的foregroundColor.有人可以告诉我我缺少什么吗?谢谢.

I am trying to add a CATextLayer to UITableViewCell. Problem is that text is rendering as black while I have already set its foregroundColor. Can someone tell me what I am missing? Thanks.

CATextLayer *buyPrice_port = [CATextLayer layer];
buyPrice_port.frame = CGRectMake(144, 42, 76, 21);
buyPrice_port.font = (__bridge CFTypeRef)([UIFont boldSystemFontOfSize:18]);
buyPrice_port.foregroundColor = [UIColor colorWithRed:0 green:190/255.0 blue:191/255.0 alpha:1.0].CGColor;
buyPrice_port.alignmentMode = kCAAlignmentCenter;
buyPrice_port.string = @"BAC";
[self.contentView.layer addSublayer:buyPrice_port];

推荐答案

这个奇怪的问题是由于我设置字体的方式造成的.相反，它应该像这样设置:

This strange problem was due to the way I was setting my font. Instead it should be set like this:

buyPrice.font = CFBridgingRetain([UIFont boldSystemFontOfSize:18].fontName);
buyPrice.fontSize = 18;

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