CODEWITHSUNDEEP
iosuitextviewnsattributedstring
Homam
Homam

Reputation: 568

UITextview typingAttributes not working

I have UITextView and I want to set it's line height to 50.0f so I'm using typingAttributes, but nothing works, my code goes like this in ViewDidAppear Method

UITextView *textView = [[UITextView alloc]initWithFrame:CGRectMake(0, 0, 300, 300)];

NSMutableParagraphStyle *paragraphStyle = [[NSMutableParagraphStyle alloc] init];
paragraphStyle.minimumLineHeight        = 50.0f;
paragraphStyle.lineHeightMultiple       = 50.0f;
paragraphStyle.maximumLineHeight        = 50.0f;

NSDictionary *textViewAttributeDic = [NSDictionary dictionaryWithObject:paragraphStyle forKey:NSParagraphStyleAttributeName];
textView.typingAttributes  = textViewAttributeDic;

text doesn't effected by setting typingAttributes,and I tried to changed the color and font using typingAttributesbut nothing works

i've read all stack answers and documentation

what i'm doing wrong :(

update: i even tried

UITextView *textView = [[UITextView alloc]initWithFrame:CGRectMake(0, 0, 300, 300)];

NSMutableParagraphStyle *paragraphStyle = [[NSMutableParagraphStyle alloc] init];
paragraphStyle.minimumLineHeight        = 50.0f;
paragraphStyle.lineHeightMultiple       = 50.0f;
paragraphStyle.maximumLineHeight        = 50.0f;

NSDictionary *textViewAttributeDic = [NSDictionary dictionaryWithObject:paragraphStyle forKey:NSParagraphStyleAttributeName];
textView.attributedText  = [[NSAttributedString alloc] initWithString:@"" attributes:textViewAttributeDic];

when I tried 

textView.attributedText  = [[NSAttributedString alloc] initWithString:@"blahblah" attributes:textViewAttributeDic];

It worked, but i need empty textView with no spaces or 'blah' characters

Upvotes: 3

Views: 8390

Answers (6)

Tangerine
Tangerine

Reputation: 1

I took a hint from @Mundi's answer. In my case, I set typingAttributes when the viewController was created, and it did not work I was entering code according to placeholder in textViewShouldBeginEditing, so I reset typingAttributes in that method, but it didn't work the same way.

When I saw @Mundi's answer and resetting typingAttributes in textViewDidBeginEditing, it worked fine.

Upvotes: 0

Ben Packard
Ben Packard

Reputation: 26536

Here's one gotcha - as mentioned in other answers, the UITextField must be in editing mode for this to work. If you are running in the simulator, and the keyboard is hidden (cmd+k), the textfield is not in editing mode if you type using your computer's keyboard. Make sure the simulator's keyboard is displayed.

Upvotes: 2

Ricardo Sanchez-Saez
Ricardo Sanchez-Saez

Reputation: 9566

Programmatically setting attributedText resets the typingAttributes. Set typingAttributes last.

Upvotes: 4

Homam
Homam

Reputation: 568

in ios6 I solved it like this , in textView delegate I wrote:

- (void)textViewDidChange:(UITextView *)textView{

     // 1st save current selected range ... we gonna use this value in 5th step
     NSRange textViewCurrentRange =  textView.selectedRange;

     // 2nd disable scrolling in textview
     [textView setScrollEnabled:NO];

     // 3rd set the new enterd text as attributed string to textview
     [textView setAttributedText:[[NSAttributedString alloc]initWithString:textView.text attributes:self.textAttributes]];

     // 4th enable scrolling
     [textView setScrollEnabled:YES];

     // 5th re set selected range so text inidicator will get back to it's place
     textView.selectedRange = textViewCurrentRange;
 }

Upvotes: 2

vokilam
vokilam

Reputation: 10323

You may configure paragraph style in IB using temporary text in text view and setting all required attributes. Then you clear your text view on launch textView.text = nil. Text attributes should remain the same.

enter image description here

Upvotes: 3

Mundi
Mundi

Reputation: 80271

The documentation clearly states that typingAttributes is for the editing mode of the text field.

typingAttributes

The attributes to apply to new text being entered by the user.

... If the text field is not in editing mode, this property contains the value nil. Similarly, you cannot assign a value to this property unless the text field is currently in editing mode.

Instead, you should assign attributedText instead of the text property. The mechanism to specify the attributes is via NSAttributedString that you assign.

Upvotes: 4

Related Questions