iOS 通过TextView富文本给文字添加点击事件

最新推荐文章于 2025-03-14 17:49:09 发布

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最新推荐文章于 2025-03-14 17:49:09 发布

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分类专栏： iOS 文章标签： ios objective-c

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本文介绍了如何在iOS应用中使用attributedText属性创建链接，以展示《[appName]隐私政策》和《服务协议》，并实现点击链接跳转到相应内容。通过`textView:shouldInteractWithURL:`方法处理用户点击行为。

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UITextView *protocolTV = [[UITextView alloc]initWithFrame:CGRectMake(50,200, 200, 100)];

// protocolTV.frame = CGRectMake(15, 15, SCREEN_WIDTH - 30, 40);

protocolTV.editable = NO;

protocolTV.delegate = self;

protocolTV.textContainer.lineFragmentPadding = 0.0;

protocolTV.textContainerInset = UIEdgeInsetsMake(15, 0, 0, 0);

protocolTV.linkTextAttributes = @{NSForegroundColorAttributeName:[UIColor blueColor]};

[self.view addSubview:protocolTV];

NSString *appName = [NSBundle mainBundle].infoDictionary[@"CFBundleDisplayName"];

NSString *rangeStr = [NSString stringWithFormat:@"这是我们要遵循的《%@隐私政策》",appName];

NSString *protocolStr = [NSString stringWithFormat:@"阅读并同意%@",rangeStr];

NSString *serverce= [NSString stringWithFormat:@"《服务协议》"];

NSRange privacyRange = [protocolStr rangeOfString:rangeStr];

NSString *preStr = [NSString stringWithFormat:@"这是我们要遵循的"];

NSMutableAttributedString *privacy = [[NSMutableAttributedString alloc]initWithString:[NSString stringWithFormat:@"%@%@",preStr,protocolStr] attributes:@{NSFontAttributeName:[UIFont systemFontOfSize:20],NSForegroundColorAttributeName:[UIColor blueColor]}];

NSRange range = [rangeStr rangeOfString:preStr];

[privacy setAttributes:@{NSForegroundColorAttributeName:[UIColor blackColor],NSFontAttributeName:[UIFont systemFontOfSize:20]} range:[rangeStr rangeOfString:preStr]];

[privacy addAttribute:NSLinkAttributeName value:@"privacy://" range:privacyRange];

NSMutableAttributedString *servercePrivacy = [[NSMutableAttributedString alloc]initWithString:serverce attributes:@{NSFontAttributeName:[UIFont systemFontOfSize:20.0],NSForegroundColorAttributeName:[UIColor blueColor]}];

NSRange serverceRange = [serverce rangeOfString:serverce];

[servercePrivacy addAttribute:NSLinkAttributeName value:@"serverce://" range:serverceRange];

[privacy appendAttributedString:servercePrivacy];

protocolTV.attributedText = privacy;

[self.view addSubview:protocolTV];

-(BOOL)textView:(UITextView *)textView shouldInteractWithURL:(nonnull NSURL *)URL inRange:(NSRange)characterRange interaction:(UITextItemInteraction)interaction{

if ([URL.scheme isEqualToString:@"privacy"]) {

NSLog(@"点击了隐私协议");

}else if ([URL.scheme isEqualToString:@"serverce"]){

NSLog(@"点击了服务协议");

}

return YES;

}