示例代码：
-(void)willDisplayMessageCell:(RCMessageBaseCell *)cell atIndexPath:(NSIndexPath *)indexPath {
if([cell isKindOfClass:[RCTextMessageCell class]]){
RCTextMessageCell *txtCell = (RCTextMessageCell *)cell;
txtCell.textLabel.attributeDictionary =
@{
@(NSTextCheckingTypeLink) : @{NSForegroundColorAttributeName : [UIColor redColor]},
@(NSTextCheckingTypePhoneNumber) : @{NSForegroundColorAttributeName : [UIColor redColor]}
};
txtCell.textLabel.highlightedAttributeDictionary =
@{
@(NSTextCheckingTypeLink) : @{NSForegroundColorAttributeName : [UIColor redColor]},
@(NSTextCheckingTypePhoneNumber) : @{NSForegroundColorAttributeName : [UIColor redColor]
};
}
}
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