ios 使 UITextView 多行
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Make UITextView multiline
提问by WWJD
I'm building an iOS application and I have a UITextView which I fill with a text. The text view is not big enough to store all the text so it just put "..." so that I can't see the rest of the text I've put in the view. Is there a way for me to make the UITextView to be multiline so that it can store all the text I've put in it?
我正在构建一个 iOS 应用程序，我有一个用文本填充的 UITextView。文本视图不够大，无法存储所有文本，所以它只是放置了“...”，这样我就看不到我在视图中放置的其余文本。有没有办法让 UITextView 成为多行，以便它可以存储我放入的所有文本？
Code :
代码 ：
instructionsTextField=[[UITextField alloc] initWithFrame:CGRectZero];
instructionsTextField.frame = CGRectMake(5, 5, self.view.bounds.size.width-10, 90);
instructionsTextField.backgroundColor = [UIColor whiteColor];
instructionsTextField.alpha = 0.5;
instructionsTextField.delegate = self;
instructionsTextField.text = string;
[mapView_ addSubview:instructionsTextField];
SolvedMy problem was that I've said that instructionsTextField is a UITextView but then I've allocated it as UITextField. Now it works fine.
解决了我的问题是我已经说过指令文本字段是一个 UITextView，但后来我将它分配为 UITextField。现在它工作正常。
回答by Atul
You are using UITextFieldhere, it cannot be made multilined(unless you add a view in it). please use UITextViewinstead.
您在这里使用UITextField，它不能成为多行（除非您在其中添加视图）。请改用UITextView。
回答by Parvendra Singh
Write it
写下来
instructionsTextField=[[UITextView alloc] initWithFrame:CGRectZero];
instructionsTextField.frame = CGRectMake(5, 5, self.view.bounds.size.width-10, 90);
instructionsTextField.backgroundColor = [UIColor whiteColor];
instructionsTextField.alpha = 0.5;
instructionsTextField.delegate = self;
instructionsTextField.text = string;
instructionsTextField.scrollEnable=YES;
instructionsTextField.userInteractionEnabled = YES;
instructionsTextField.editable=NO;
[mapView_ addSubview:instructionsTextField];
回答by Buntylm
Make UITextView multiline
The UITextViewclass implements the behavior for a scrollable, multilinetext region.
You only need to create the framelike
本UITextView类实现了行为的scrollable, multiline文本区域。你只需要创建frame喜欢
UITextView *text = [[UITextView alloc]init];
text.frame = CGRectMake(50, 50, 60, 60);
text.text = @"Your Text. Your Text.Your Text.Your Text.Your Text.Your Text.Your
Text.Your Text.Your Text.Your Text.Your Text.Your Text.Your Text.Your Text.Your
Text.Your Text.Your Text.Your Text.Your Text.Your Text.Your Text.Your Text.Your";
[self.view addSubview:text];
this will be automatic scrollable because
这将是自动滚动的，因为
UITextViewInherits from UIScrollView : UIView : UIResponder : NSObject
UITextView继承自 UIScrollView : UIView : UIResponder : NSObject
So there is no need to manage UIScrollonly define your framesize as in the code and add your text will be scroll automatically as per your text.
因此，无需像在代码中那样管理UIScroll只定义您的frame大小，并添加您的文本将根据您的text.
NoteMay be Mistake your side if you talking about UITextFieldthe cannot made multi lined.
注意如果您谈论UITextField无法制作多线，可能会误会您的一面。
回答by Ramdhas
I think you created textview by code,. If yes, increase the textview framesize and contect size. Look at this Question,
我认为您通过代码创建了 textview。如果是，请增加 textview framesize 和 contect size。看看这个问题，
回答by Stoli
Here is some code to implement a multiline uitextview :
这是一些实现多行 uitextview 的代码：
label = [[UITextView alloc]initWithFrame:CGRectMake(99, 0, widthLabel-14, 112)];
[label setBackgroundColor:[UIColor clearColor]];
label.userInteractionEnabled = YES;
label.delegate = self;
NSString *text = @"Here is my text, replace it with a longer one to see how the uitextview behaves";
NSInteger _stringTotalLength=[text length];
NSMutableAttributedString *attString=[[NSMutableAttributedString alloc] initWithString:text];
[attString addAttribute:NSFontAttributeName
value:[UIFont fontWithName:@"Helvetica" size:15.0]
range:NSMakeRange(0, _stringTotalLength)];
label.attributedText = attString;
The uitextview will become scrollable when a longer text is inserted.
当插入更长的文本时，uitextview 将变得可滚动。
