如何删除UITextView底部的空格？

Question

我正在使用UITextView，我想删除UITextview底部的空格。

Answer 1

我上面code.try已经更新了它。我有觉得你有欲望的结果..

// Create a size with large height, but matching width to UITextView. 
[myTextView setBackgroundColor:[UIColor greenColor]]; 
CGSize maxSize = CGSizeMake(myTextView.frame.size.width, 20); 

// Determine the size needed to display the text - we just need the new height. 
CGSize textSize = [myTextView.text sizeWithFont:myTextView.font constrainedToSize:maxSize lineBreakMode:UILineBreakModeWordWrap]; 

// Set the UITextView's frame to the new height. 
CGRect textViewRect = myTextView.frame; 
textViewRect.size.height = textSize.height+13; 
myTextView.frame = textViewRect; 

Answer 2

是这样的吗？

textView.text = [textView.text stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]];

Answer 3

我猜想/猜测你想调整一个UITextView很好地容纳文本。如果是的话，我建议你的调查：

- (CGSize)sizeWithFont:(UIFont *)font constrainedToSize:(CGSize)size lineBreakMode:(UILineBreakMode)lineBreakMode; 

例如：

// Create a size with large height, but matching width to UITextView. 
CGSize maxSize = CGSizeMake(myTextView.frame.size.width, 9999); 

// Determine the size needed to display the text - we just need the new height. 
CGSize textSize = [myTextView.text sizeWithFont:myTextView.font constrainedToSize:maxSize lineBreakMode:UILineBreakModeWordWrap]; 

// Set the UITextView's frame to the new height. 
CGRect textViewRect = myTextView.frame; 
textViewRect.size.height = textSize.height; 
myTextView.frame = textViewRect;