无法弄清楚如何设置范围的背景色使其看起来像荧光笔
下面的黄色不显示为背景色
NSArray *keys = [[NSArray alloc] initWithObjects:(id)kCTForegroundColorAttributeName,(id)kCTUnderlineStyleAttributeName, (id) NSBackgroundColorAttributeName, nil];
NSArray *objects = [[NSArray alloc] initWithObjects:[UIColor redColor],[NSNumber numberWithInt:kCTUnderlineStyleNone], [UIColor yellowColor], nil];
NSDictionary *linkAttributes = [[NSDictionary alloc] initWithObjects:objects forKeys:keys];
self.madLibLabel.linkAttributes = linkAttributes;
[self.madLibLabel addLinkToURL:[NSURL URLWithString:@"what://"] withRange:[self.madLibLabel.text rangeOfString:@"WHAT"]];
您应该改用kTTTBackgroundFillColorAttributeNamekey NSBackgroundColorAttributeName。
这是代码片段：
NSArray *keys = [[NSArray alloc] initWithObjects:(id)kCTForegroundColorAttributeName,(id)kCTUnderlineStyleAttributeName, (id) kTTTBackgroundFillColorAttributeName, nil];
NSArray *objects = [[NSArray alloc] initWithObjects:[UIColor redColor],[NSNumber numberWithInt:kCTUnderlineStyleNone], [UIColor yellowColor], nil];
NSDictionary *linkAttributes = [[NSDictionary alloc] initWithObjects:objects forKeys:keys];
self.madLibLabel.linkAttributes = linkAttributes;
[self.madLibLabel addLinkToURL:[NSURL URLWithString:@"what://"] withRange:[self.madLibLabel.text rangeOfString:@"WHAT"]];
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我来说两句