I'm trying to disable any kind of kerning in UITextView
Somehow in arabic letters the text view kern the letters to fit the line but it just ruin the whole word, here's an examples:
textview has white background, and the code is:
NSString *aya =[mainArray objectAtIndex:indexPath.row];
cell.tx.text = aya;
[cell.tx sizeToFit];
cell.tx.frame = CGRectMake(5, 5, 265, cell.tx.frame.size.height);
cell.tx.backgroundColor = [UIColor whiteColor];
also tried to set NSMutableAttributedString NSKernAttributeName value but didn't work,,
---------------------Edit: This is the code for Kern Attribute:
NSMutableAttributedString *attributedString;
attributedString = [[NSMutableAttributedString alloc] initWithString:aya];
[attributedString addAttribute:NSKernAttributeName
value:#0.0
range:NSMakeRange(0,[aya length])];
[attributedString addAttribute:NSFontAttributeName
value:font
range:NSMakeRange(0,[aya length])];
NSMutableParagraphStyle *paragrapStyle = [NSMutableParagraphStyle new];
paragrapStyle.alignment = NSTextAlignmentRight;
[attributedString addAttribute:NSParagraphStyleAttributeName
value:paragrapStyle
range:NSMakeRange(0,[aya length])];
[cell.tx setAttributedText:attributedString];
It's a hack and I'm not near a computer to try it, but give this a shot:
Set the tx's text property
[tx setText:aya];
Create an NSMutableAttributedString from the text view's text
NSMutableAttributedString *attrStr = [[tx attributedText] mutableCopy];
Set the kern attribute on the attributed string
[attrStr setAttributes:#{ NSKernAttributeName: #(0.f) }
range:NSMakeRange(0, [attrStr length])];
Set the attrStr back on tx
[tx setAttributedText:attrStr];
This will (hopefully) preserve the attributes UITextView infers from your NSString.
Related
I'm working the App where i need to set the label like attached image. Please let me know if anyone have any idea?
You can do like this
NSString *yourString1=#"What Does your friends really";
NSString *yourString2=#"Think of your spouce?";
NSString *str1=[NSString stringWithFormat:#" %#..\n",yourString1];
NSString *str2=[NSString stringWithFormat:#" %#,,",yourString2];
NSString *str3=[NSString stringWithFormat:#"%#%#",str1,str2];
NSMutableAttributedString *attributedString = [[NSMutableAttributedString alloc] initWithString:[str1 stringByAppendingString:str2]];
NSRange range = [str1 rangeOfString:#".."];
NSRange range1 = [str3 rangeOfString:#",,"];
[attributedString addAttribute:NSForegroundColorAttributeName value:[UIColor clearColor] range:range];
[attributedString addAttribute:NSForegroundColorAttributeName value:[UIColor clearColor] range:range1];
[attributedString addAttribute: NSBackgroundColorAttributeName value: [UIColor orangeColor] range: NSMakeRange(0, str1.length)];
[attributedString addAttribute: NSBackgroundColorAttributeName value: [UIColor redColor] range: NSMakeRange(str1.length, str2.length)];
NSMutableParagraphStyle *paragraphStyle = [[NSMutableParagraphStyle alloc] init];
[paragraphStyle setLineSpacing:5];
[attributedString addAttribute:NSParagraphStyleAttributeName value:paragraphStyle range:NSMakeRange(0, [str2 length])];
lblTest.attributedText = attributedString;
Output of this Code:
If using an attributed string with a background color on the string doesn't work then you might need to create 2 separate labels with space between them and set the background color on each.
May be you need some space with that background color where text has ended. I have solved this problem in my own tricks. Add some comma or point to separate the string. Then apply this to the string. No extra label need to create.
NSArray *aArray = [#" Font Size .k" componentsSeparatedByString:#".k"];
NSMutableAttributedString *fulltext=[[NSMutableAttributedString alloc] initWithString:#""];
NSMutableAttributedString *title1=[[NSMutableAttributedString alloc] initWithString:[aArray objectAtIndex:0]];
NSMutableAttributedString *title2=[[NSMutableAttributedString alloc] initWithString:[aArray objectAtIndex:1]];
//[title1 addAttribute:NSForegroundColorAttributeName value:[UIColor colorWithRed:255.0/255.0 green:84.0/255.0 blue:49.0/255.0 alpha:1.0] range:NSMakeRange(0,title1.length)];
[title1 addAttribute:NSBackgroundColorAttributeName
value:[UIColor colorWithRed:255.0/255.0 green:84.0/255.0 blue:49.0/255.0 alpha:1.0]
range:NSMakeRange(0, title1.length)];
[title1 addAttribute:NSFontAttributeName
value:[UIFont boldSystemFontOfSize:(isIpad||isIPadPro)?19.0f:16.0f]
range:NSMakeRange(0,title1.length)];
[title2 addAttribute:NSForegroundColorAttributeName value:[UIColor clearColor] range:NSMakeRange(0,title2.length)];
[title2 addAttribute:NSBackgroundColorAttributeName
value:[UIColor clearColor]
range:NSMakeRange(0, title2.length)];
[title2 addAttribute:NSFontAttributeName
value:[UIFont boldSystemFontOfSize:(isIpad||isIPadPro)?19.0f:16.0f]
range:NSMakeRange(0,title2.length)];
[fulltext appendAttributedString:title1];
[fulltext appendAttributedString:title2];
self.textLabel.attributedText = fulltext;
My output is like:
Now make the K's background (title2) clear, so you can get the spaces after text end with your space!
//setting dummy text to label
self.lbLog.text=#"This is Simple Text With Red background Color";
//creating attributed string
NSMutableAttributedString *attribString =
[[NSMutableAttributedString alloc] initWithString:self.lbLog.text];
//setting background color to attributed text
[attribString addAttribute:NSBackgroundColorAttributeName
value:[UIColor redColor]
range:NSMakeRange(0, attribString.length)];
//setting attributed text to label
self.lbLog.attributedText = attribString;
lblText.backgroundColor=UIColor.red
You need to use separate label where you set background colour of the label if background colour of all label text is same for all text in label otherwise for different background colour for some of the text you need to use NSMutableAttributedString.
label.backgroundColor = [UIColor colorWithRed:29.0/255.0 green:135.0/255.0 blue:145.0/255.0 alpha:1.0];
Use two custom Label (or instead label use uiview as your background), One is for your background,set backgroundcolor as clear color and another label is for ur text set backgroundcolor as your desire color.
We can do this with the help of UItextview. I did that, I will post the code very soon.
I have a label and i set the text of the label programmatically. I want to set one of the word to be bold and the rest normal. However, i am unable to control the properties of the text. For example, I want this "This is an example" but am only able to achieve this "This is an example".
Try this:
NSString *text = #"This is an example";
NSString *textBold = #"example";
NSMutableAttributedString *attributedString = [[NSMutableAttributedString alloc] initWithString:text];
[attributedString beginEditing];
[attributedString addAttribute:NSFontAttributeName
value:[UIFont boldSystemFontOfSize:20.0f]
range:[text rangeOfString:textBold]];
[attributedString endEditing];
[labelObj setAttributedText:attributedString];
Take a look at the attributedText property of the label. It lets you assign styled text using an NSAttributedString. Explaining how to build an NSAttributedString is beyond the scope of an SO answer, but you should be able to find ample information both in the Xcode help system and online.
Let me show you a demo about the attributedText.
NSDictionary*subStrAttribute1 = #{
NSForegroundColorAttributeName: [UIColor redColor],
NSStrikethroughStyleAttributeName:#2
};
NSDictionary *subStrAttribute2 =#{
NSForegroundColorAttributeName: [UIColor greenColor]
};
NSString *strDisplayText3 =#"Red and Green";
NSMutableAttributedString *attributedText3 = [[NSMutableAttributedString alloc] initWithString:strDisplayText3];
[attributedText3 setAttributes:subStrAttribute1 range:NSMakeRange(0,3)];
[attributedText3 setAttributes:subStrAttribute2 range:NSMakeRange(8,5)];
self.lblInfo3.attributedText= attributedText3;
Since ios6 uilabel supports attributed strings, So you can use it.
For your particular case below code will work-
NSMutableAttributedString *string = [[NSMutableAttributedString alloc] initWithString:#"This is an example"];
[string addAttribute:NSFontAttributeName value:[UIFont fontWithName:#"HelveticaNeue-Bold" size:20.0] range:NSMakeRange(11, 7)];
label.attributedText = string;
I want to create a method that returns me attributed text.
here is the code that i am using
- (NSAttributedString *)getUnderlineAttributedStringForText:(NSString *)strWholeString andTextToHaveLink:(NSString *)strLink TextColor:(UIColor *)textColor LinkColor:(UIColor *)linkColor withFont:(UIFont*)font {
NSRange stringRange = NSMakeRange(0, strWholeString.length);
NSRange linkRange = [strWholeString rangeOfString:strLink];
NSLog(#"String Link :: %#",[strWholeString substringWithRange:linkRange]);
NSMutableAttributedString *attributedString = [[NSMutableAttributedString alloc] initWithString:strWholeString];
// Paragraph Style
NSMutableParagraphStyle *paragrapStyle = NSMutableParagraphStyle.new;
paragrapStyle.alignment = NSTextAlignmentLeft;
[attributedString addAttribute:NSParagraphStyleAttributeName value:paragrapStyle range:stringRange];
[attributedString addAttribute:NSForegroundColorAttributeName value:textColor range:stringRange];
[attributedString addAttribute:NSFontAttributeName value:font range:stringRange];
[attributedString addAttribute:NSUnderlineStyleAttributeName value:[NSNumber numberWithInteger: NSUnderlineStyleSingle] range:linkRange];
[attributedString addAttribute:NSForegroundColorAttributeName value:linkColor range:linkRange];
return attributedString;
}
// This is how I call the method
[btnTermOfUse setAttributedTitle:[self getUnderlineAttributedStringForText:#"By signing up you agree to the Terms of Use" andTextToHaveLink:#"Terms of Use" TextColor:[UIColor darkGrayColor] LinkColor:[UIColor orangeColor] withFont:[UIFont systemFontOfSize:16]] forState:UIControlStateNormal];
This code works fine in all device except 6+.
Edits
- in 6+ just underline is not showing text colour change for the link text.
I can see the underline in iPhone 6 or 5S.
Any one have any idea regarding this?
I know there are already so many questions related to this but they didn't help me so I am writing here.
Found a hack !! :(
you should write this line before setting up the text,
[btnTermOfUse titleLabel].numberOfLines = 0;
This will show you the line on device too.
UITextView is causing my App to slow down because it holds a lot of text. I was wondering if there is some kind of third party library that can load more text effectively?
I am using attributedText to hold all of the text. If there is a better way please let me know. Any tips or suggestions are appreciated.
textView.attributedText = attributeStr;
Really? It worked fine on me. Please check this out on how I implemented my UITextView.The HELP_STATIC_CONTENT there is a constant variable that holds static texts for my Help screen which contains lot of texts (about 500 lines).
UITextView *lblHelp = [[UITextView alloc]initWithFrame:CGRectMake(10, 10, self.view.frame.size.width - 20, self.view.frame.size.height - 20)];
[lblHelp setBackgroundColor:[UIColor clearColor]];
[lblHelp setEditable:NO];
[lblHelp setSelectable:NO];
lblHelp.showsVerticalScrollIndicator=NO;
lblHelp.showsHorizontalScrollIndicator=NO;
[self.view addSubview:lblHelp];
NSString *string = HELP_STATIC_CONTENT;
NSMutableAttributedString *attrString = [[NSMutableAttributedString alloc] initWithString:string];
NSMutableParagraphStyle *paragraphStyle = [[NSMutableParagraphStyle defaultParagraphStyle] mutableCopy];
paragraphStyle.alignment=NSTextAlignmentJustified;
[paragraphStyle setLineSpacing:3];
[attrString beginEditing];
[attrString addAttribute:NSFontAttributeName value:[UIFont systemFontOfSize:12] range:NSMakeRange(0, string.length)];
[attrString addAttribute:NSParagraphStyleAttributeName value:paragraphStyle range:NSMakeRange(0, string.length)];
[attrString endEditing];
lblHelp.attributedText = attrString;
If you want to change only a part of the text, you can directly change it with the textStorage property e.g:
[textView.textStorage addAttribute:NSBackgroundColorAttributeName value:[UIColor yellowColor] range:range];
Hi I am doing one application. In that I need to show text in different fonts. I mean if I show name in one font and I show city name in different font.
UITextView *textView = [[UITextView alloc] initWithFrame:CGRectMake(50, 50, 200, 100)];
textView.text = #"Vijay Apple Dev";
NSString *textViewText = textView.text;
NSMutableAttributedString *attributedText = [[NSMutableAttributedString alloc] initWithString:textViewText];
[attributedText addAttribute:NSFontAttributeName
value:[UIFont fontWithName:#"Courier" size:20]
range:[textViewText rangeOfString:#"Apple"]];
[attributedText addAttribute:NSFontAttributeName
value:[UIFont fontWithName:#"Verdana" size:20]
range:[textViewText rangeOfString:#"Vijay"]];
textView.attributedText = attributedText;
[self.view addSubview:textView];
Try to do like this one... And customize according to your requirement like font name and font size
NSString *firstName = #"FirstName";
NSMutableAttributedString *attributedString = [[NSMutableAttributedString alloc] initWithString:firstName];
UIFont *font = [UIFont fontWithName:#"Helvetica" size:20];
[attributedString addAttribute:NSFontAttributeName value:font range:NSMakeRange(0, firstName.length)];// Here define your range.
textView.attributedText = attributedString;
//Use attributed String
//Apply properties to both strings
//then merge and set it to textview
NSString *selectedString=#"Hey,";
UIFont *fontSelectedText = [UIFont boldSystemFontOfSize:25];
NSDictionary *dictBoldSelectedText = [NSDictionary dictionaryWithObjectsAndKeys:fontSelectedText, NSFontAttributeName, nil];
NSMutableAttributedString *mutAttrTextViewSelectedString = [[NSMutableAttributedString alloc] initWithString:selectedString];
[mutAttrTextViewSelectedString setAttributes:dictBoldSelectedText range:NSMakeRange(0,selectedString.length)];
[_tTextView setAttributedText:mutAttrTextViewSelectedString];
//Second String
NSString *restOfStrig=#"\nHello";
NSMutableAttributedString *mutAttrTextViewString = [[NSMutableAttributedString alloc] initWithString:restOfStrig];
UIFont *fontText = [UIFont boldSystemFontOfSize:16];
NSDictionary *dictBoldText = [NSDictionary dictionaryWithObjectsAndKeys:fontText, NSFontAttributeName, nil];
[mutAttrTextViewString setAttributes:dictBoldText range:NSMakeRange(0,restOfStrig.length)];
//Combining both the Attributed String
[mutAttrTextViewSelectedString appendAttributedString:mutAttrTextViewString];
NSMutableAttributedString * finalAttributedStr=[[NSMutableAttributedString alloc] initWithAttributedString:mutAttrTextViewSelectedString];
//setting it to the textView
[_tTextView setAttributedText:finalAttributedStr];
Use NSAttributedString
An NSAttributedString object manages character strings and associated sets of attributes (for example, font and kerning) that apply to individual characters or ranges of characters in the string. An association of characters and their attributes is called an attributed string. The cluster’s two public classes, NSAttributedString and NSMutableAttributedString, declare the programmatic interface for read-only attributed strings and modifiable attributed strings, respectively.
NSAttributedString
When you create your attributed string, then just set it to your textView:
self.textView.attributedText = myAttributedString;