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An UITextView which grows/shrinks with the text and starts scrolling when the content reaches a certain number of lines. Similar to the one Apple uses in the SMS-app. See blog-post for a small screencast.

License: MIT License

growingtextview's Introduction

HPGrowingTextView

Multi-line/Autoresizing UITextView similar to SMS-app. The example project also even looks like Apple's version.

Properties

int maxNumberOfLines; – Stops growing at this amount of lines.
int minNumberOfLines; – Starts growing at this amount of lines.
BOOL animateHeightChange; – Animate the growing

UITextView properties

NSString *text;
UIFont *font;
UIColor *textColor;
UITextAlignment textAlignment;
NSRange selectedRange;
BOOL editable;
UIDataDetectorTypes dataDetectorTypes;
UIReturnKeyType returnKeyType;

Delegate methods

-(BOOL)growingTextViewShouldBeginEditing:(HPGrowingTextView *)growingTextView;
-(BOOL)growingTextViewShouldEndEditing:(HPGrowingTextView *)growingTextView;

-(void)growingTextViewDidBeginEditing:(HPGrowingTextView *)growingTextView;
-(void)growingTextViewDidEndEditing:(HPGrowingTextView *)growingTextView;

-(BOOL)growingTextView:(HPGrowingTextView *)growingTextView shouldChangeTextInRange(NSRange)range replacementText:(NSString *)text;
-(void)growingTextViewDidChange:(HPGrowingTextView *)growingTextView;

Called WITHIN animation block!
-(void)growingTextView:(HPGrowingTextView *)growingTextView willChangeHeight:(float)height;

Called after animation
-(void)growingTextView:(HPGrowingTextView *)growingTextView didChangeHeight:(float)height;

-(void)growingTextViewDidChangeSelection:(HPGrowingTextView *)growingTextView;
-(BOOL)growingTextViewShouldReturn:(HPGrowingTextView *)growingTextView;

For more info, see blogpost: http://www.hanspinckaers.com/multi-line-uitextview-similar-to-sms

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