iOS 富文本点击事件

 1 #import "ViewController.h"
 2 
 3 #define font 17
 4 @interface ViewController ()<UITextViewDelegate>
 5 @property (weak, nonatomic) IBOutlet UITextView *textview;
 6 @property (assign, nonatomic) BOOL isSelect;
 7 @end
 8 
 9 @implementation ViewController
10 
11 
12 - (void)viewDidLoad {
13     [super viewDidLoad];
14     [self protocolIsSelect:self.isSelect];
15 
16 }
17 
18 - (void)protocolIsSelect:(BOOL)select {
19     NSMutableAttributedString *attributedString = [[NSMutableAttributedString alloc] initWithString:@"请遵守以下协议《支付宝协议》《微信协议》《建行协议》《招行协议》《中国银行协议》《上海银行协议》"];
20     [attributedString addAttribute:NSLinkAttributeName
21                              value:@"zhifubao://"
22                              range:[[attributedString string] rangeOfString:@"《支付宝协议》"]];
23     [attributedString addAttribute:NSLinkAttributeName
24                              value:@"weixin://"
25                              range:[[attributedString string] rangeOfString:@"《微信协议》"]];
26     [attributedString addAttribute:NSLinkAttributeName
27                              value:@"jianhang://"
28                              range:[[attributedString string] rangeOfString:@"《建行协议》"]];
29  
30 
31     UIImage *image = [UIImage imageNamed:select == YES ? @"new_feature_share_true" : @"new_feature_share_false"];
32     CGSize size = CGSizeMake(font + 2, font + 2);
33     UIGraphicsBeginImageContextWithOptions(size, false, 0);
34     [image drawInRect:CGRectMake(0, 2, size.width, size.height)];
35     UIImage *resizeImage = UIGraphicsGetImageFromCurrentImageContext();
36     UIGraphicsEndImageContext();
37     NSTextAttachment *textAttachment = [[NSTextAttachment alloc] init];
38     textAttachment.image = resizeImage;
39     NSMutableAttributedString *imageString = [NSMutableAttributedString attributedStringWithAttachment:textAttachment];
40     [imageString addAttribute:NSLinkAttributeName
41                              value:@"checkbox://"
42                              range:NSMakeRange(0, imageString.length)];
43     [attributedString insertAttributedString:imageString atIndex:0];
44     [attributedString addAttribute:NSFontAttributeName value:[UIFont systemFontOfSize:font] range:NSMakeRange(0, attributedString.length)];
45     _textview.attributedText = attributedString;
46     _textview.linkTextAttributes = @{NSForegroundColorAttributeName: [UIColor blueColor],
47                                      NSUnderlineColorAttributeName: [UIColor lightGrayColor],
48                                      NSUnderlineStyleAttributeName: @(NSUnderlinePatternSolid)};
49     
50     _textview.delegate = self;
51     _textview.editable = NO;        //必须禁止输入,否则点击将弹出输入键盘
52     _textview.scrollEnabled = NO;

    _textview.selectable = NO;
53 }
54 
55 - (BOOL)textView:(UITextView *)textView shouldInteractWithURL:(NSURL *)URL inRange:(NSRange)characterRange {
56     if ([[URL scheme] isEqualToString:@"jianhang"]) {
57         NSLog(@"建行支付---------------");
58         return NO;
59     } else if ([[URL scheme] isEqualToString:@"zhifubao"]) {
60         NSLog(@"支付宝支付---------------");
61         return NO;
62     } else if ([[URL scheme] isEqualToString:@"weixin"]) {
63        NSLog(@"微信支付---------------");
64         return NO;
65     } else if ([[URL scheme] isEqualToString:@"checkbox"]) {
66         self.isSelect = !self.isSelect;
67         [self protocolIsSelect:self.isSelect];
68         return NO;
69     }
70     return YES;
71 }
72 
73 
74 @end

posted on 2016-06-13 15:32 伊米伊念 阅读(...) 评论(...) 编辑 收藏

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