UITextView高度自适应

HPTextViewInternal.h

 

#import <UIKit/UIKit.h>

@interface HPTextViewInternal : UITextView {
}

@end

 

HPTextViewInternal.m

 

#import "HPTextViewInternal.h"

@implementation HPTextViewInternal

- (void) setContentOffset:(CGPoint)s {
	if(self.tracking || self.decelerating) {
		self.contentInset = UIEdgeInsetsMake(0, 0, 0, 0);
	} else {
		float bottomOffset = (self.contentSize.height - self.frame.size.height + self.contentInset.bottom);
		if(s.y < bottomOffset && self.scrollEnabled) {
			self.contentInset = UIEdgeInsetsMake(0, 0, 8, 0); 
		}		
	}	
	[super setContentOffset:s];
}

- (void) setContentInset:(UIEdgeInsets)s {
	UIEdgeInsets insets = s;
	
	if(s.bottom > 8) insets.bottom = 0;
	insets.top = 0;
	
	[super setContentInset:insets];
}

@end

 

HPGrowingTextView.h

 

#import <UIKit/UIKit.h>

@class HPGrowingTextView;
@class HPTextViewInternal;

@protocol HPGrowingTextViewDelegate

@optional
- (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;

- (void) growingTextView:(HPGrowingTextView *)growingTextView willChangeHeight:(float)height;
- (void) growingTextView:(HPGrowingTextView *)growingTextView didChangeHeight:(float)height;

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

@interface HPGrowingTextView : UIView <UITextViewDelegate> {
	HPTextViewInternal *internalTextView;	
	
	int minHeight;
	int maxHeight;
	
	int maxNumberOfLines;
	int minNumberOfLines;
	
	BOOL animateHeightChange;
	
	NSObject <HPGrowingTextViewDelegate> *delegate;
	NSString *text;
	UIFont *font;
	UIColor *textColor;
	UIColor *backgroundColor;
	UITextAlignment textAlignment; 
	NSRange selectedRange;
	BOOL editable;
	UIDataDetectorTypes dataDetectorTypes;
	UIReturnKeyType returnKeyType;
}

@property int maxNumberOfLines;
@property int minNumberOfLines;
@property BOOL animateHeightChange;
@property (retain) UITextView *internalTextView;	
@property (assign) NSObject<HPGrowingTextViewDelegate> *delegate;
@property (nonatomic, assign) NSString *text;
@property (nonatomic, assign) UIFont *font;
@property (nonatomic, assign) UIColor *textColor;
@property (nonatomic, assign) UIColor *backgroundColor;
@property (nonatomic) UITextAlignment textAlignment;   
@property (nonatomic) NSRange selectedRange;    
@property (nonatomic, getter = isEditable) BOOL editable;
@property (nonatomic) UIDataDetectorTypes dataDetectorTypes __OSX_AVAILABLE_STARTING(__MAC_NA, __IPHONE_3_0);
@property (nonatomic) UIReturnKeyType returnKeyType;

- (BOOL) hasText;
- (void) scrollRangeToVisible:(NSRange)range;

@end

 

HPGrowingTextView.m

 

#import "HPGrowingTextView.h"
#import "HPTextViewInternal.h"

@implementation HPGrowingTextView

@synthesize internalTextView;
@synthesize maxNumberOfLines;
@synthesize minNumberOfLines;
@synthesize delegate;
@synthesize text;
@synthesize font;
@synthesize textColor;
@synthesize backgroundColor;
@synthesize textAlignment; 
@synthesize selectedRange;
@synthesize editable;
@synthesize dataDetectorTypes; 
@synthesize animateHeightChange;
@synthesize returnKeyType;

- (id) initWithFrame:(CGRect)frame {
    if ((self = [super initWithFrame:frame])) {
		CGRect r = frame;
		r.origin.y = 0;
		r.origin.x = 0;
		
		internalTextView = [[HPTextViewInternal alloc] initWithFrame:r];
		internalTextView.delegate = self;
		internalTextView.scrollEnabled = NO;
		internalTextView.font = [UIFont fontWithName:@"Helvetica" size:13]; 
		internalTextView.contentInset = UIEdgeInsetsZero;		
		internalTextView.showsHorizontalScrollIndicator = NO;
		internalTextView.text = @"-";
		[self addSubview:internalTextView];
		
		UIView *internal = (UIView*)[[internalTextView subviews] objectAtIndex:0];
		minHeight = internal.frame.size.height;
		minNumberOfLines = 1;		
		animateHeightChange = YES;		
		internalTextView.text = @"";
		
		[self setMaxNumberOfLines:3];
    }
    return self;
}

- (void) sizeToFit {
	CGRect r = self.frame;
	r.size.height = minHeight;
	self.frame = r;
}

- (void) setFrame:(CGRect)aframe {
	CGRect r = aframe;
	r.origin.y = 0;
	r.origin.x = 0;
	internalTextView.frame = r;
	
	[super setFrame:aframe];
}

- (void) setMaxNumberOfLines:(int)n {
	UITextView *test = [[HPTextViewInternal alloc] init];	
	test.font = internalTextView.font;
	test.hidden = YES;
	
	NSMutableString *newLines = [NSMutableString string];
	
	if(n == 1) {
		[newLines appendString:@"-"];
	} else {
		for(int i = 1; i < n; i++) {
			[newLines appendString:@"\n"];
		}
	}
	
	test.text = newLines;
	
	[self addSubview:test];
	
	maxHeight = test.contentSize.height;
	maxNumberOfLines = n;
	
	[test removeFromSuperview];
	[test release];	
}

- (void) setMinNumberOfLines:(int)m {	
	UITextView *test = [[HPTextViewInternal alloc] init];	
	test.font = internalTextView.font;
	test.hidden = YES;
	
	NSMutableString *newLines = [NSMutableString string];
	
	if(m == 1) {
		[newLines appendString:@"-"];
	} else {
		for(int i = 1; i < m; i++){
			[newLines appendString:@"\n"];
		}
	}
	
	test.text = newLines;
	
	[self addSubview:test];
	
	minHeight = test.contentSize.height;
	
	[self sizeToFit];	
	minNumberOfLines = m;
	
	[test removeFromSuperview];
	[test release];
}

- (void) textViewDidChange:(UITextView *)textView {
	NSInteger newSizeH = internalTextView.contentSize.height;
	if(newSizeH < minHeight || !internalTextView.hasText) newSizeH = minHeight;
	
	if (internalTextView.frame.size.height != newSizeH) {
		if (newSizeH <= maxHeight) {
			if(animateHeightChange){
				[UIView beginAnimations:@"" context:nil];
				[UIView setAnimationDelegate:self];
				[UIView setAnimationDidStopSelector:@selector(growDidStop)];
				[UIView setAnimationBeginsFromCurrentState:YES];
			}
			
			if ([delegate respondsToSelector:@selector(growingTextView:willChangeHeight:)]) {
				[delegate growingTextView:self willChangeHeight:newSizeH];
			}
			
			CGRect internalTextViewFrame = self.frame;
			internalTextViewFrame.size.height = newSizeH; 
			self.frame = internalTextViewFrame;
			
			internalTextViewFrame.origin.y = 0;
			internalTextViewFrame.origin.x = 0;
			internalTextView.frame = internalTextViewFrame;
			
			if(animateHeightChange){
				[UIView commitAnimations];
			}			
		}
		
		if (newSizeH >= maxHeight) {
			if(!internalTextView.scrollEnabled) {
				internalTextView.scrollEnabled = YES;
				[internalTextView flashScrollIndicators];
			}			
		} else {
			internalTextView.scrollEnabled = NO;
		}		
	}	
	
	if ([delegate respondsToSelector:@selector(growingTextViewDidChange:)]) {
		[delegate growingTextViewDidChange:self];
	}	
}

- (void) growDidStop {
	if ([delegate respondsToSelector:@selector(growingTextView:didChangeHeight:)]) {
		[delegate growingTextView:self didChangeHeight:self.frame.size.height];
	}	
}

- (BOOL) resignFirstResponder {
	[super resignFirstResponder];
	return [internalTextView resignFirstResponder];
}

- (void) dealloc {
	[internalTextView release];
    [super dealloc];
}

#pragma mark UITextView properties

- (void) setText:(NSString *)atext {
	internalTextView.text= atext;
}

- (NSString *)text {
	return internalTextView.text;
}

- (void)setFont:(UIFont *)afont {
	internalTextView.font = afont;	
	[self setMaxNumberOfLines:maxNumberOfLines];
	[self setMinNumberOfLines:minNumberOfLines];
}

- (UIFont *)font {
	return internalTextView.font;
}	

- (void) setTextColor:(UIColor *)color {
	internalTextView.textColor = color;
}

- (UIColor *)textColor {
	return internalTextView.textColor;
}

- (void) setBackgroundColor:(UIColor *)color {
	internalTextView.backgroundColor = color;
}

- (UIColor *) backgroundColor {
	return internalTextView.backgroundColor;
}

- (void) setTextAlignment:(UITextAlignment)aligment {
	internalTextView.textAlignment = aligment;
}

- (UITextAlignment) textAlignment {
	return internalTextView.textAlignment;
}

- (void) setSelectedRange:(NSRange)range {
	internalTextView.selectedRange = range;
}

- (NSRange)selectedRange {
	return internalTextView.selectedRange;
}

- (void) setEditable:(BOOL)beditable {
	internalTextView.editable = beditable;
}

- (BOOL) isEditable {
	return internalTextView.editable;
}

- (void) setReturnKeyType:(UIReturnKeyType)keyType {
	internalTextView.returnKeyType = keyType;
}

- (UIReturnKeyType) returnKeyType {
	return internalTextView.returnKeyType;
}

- (void) setDataDetectorTypes:(UIDataDetectorTypes)datadetector {
	internalTextView.dataDetectorTypes = datadetector;
}

- (UIDataDetectorTypes) dataDetectorTypes {
	return internalTextView.dataDetectorTypes;
}

- (BOOL) hasText {
	return [internalTextView hasText];
}

- (void) scrollRangeToVisible:(NSRange)range {
	[internalTextView scrollRangeToVisible:range];
}

#pragma mark -
#pragma mark UITextViewDelegate

- (BOOL) textViewShouldBeginEditing:(UITextView *)textView {
	if ([delegate respondsToSelector:@selector(growingTextViewShouldBeginEditing:)]) {
		return [delegate growingTextViewShouldBeginEditing:self];		
	} else {
		return YES;
	}
}

- (BOOL) textViewShouldEndEditing:(UITextView *)textView {
	if ([delegate respondsToSelector:@selector(growingTextViewShouldEndEditing:)]) {
		return [delegate growingTextViewShouldEndEditing:self];		
	} else {
		return YES;
	}
}

- (void)textViewDidBeginEditing:(UITextView *)textView {
	if ([delegate respondsToSelector:@selector(growingTextViewDidBeginEditing:)]) {
		[delegate growingTextViewDidBeginEditing:self];
	}
}

- (void) textViewDidEndEditing:(UITextView *)textView {		
	if ([delegate respondsToSelector:@selector(growingTextViewDidEndEditing:)]) {
		[delegate growingTextViewDidEndEditing:self];
	}
}

- (BOOL) textView:(UITextView *)textView shouldChangeTextInRange:(NSRange)range
  replacementText:(NSString *)atext {
	if(![textView hasText] && [atext isEqualToString:@""]) return NO;
	
	if ([atext isEqualToString:@"\n"]) {
		if ([delegate respondsToSelector:@selector(growingTextViewShouldReturn:)]) {
			if (![delegate performSelector:@selector(growingTextViewShouldReturn:) withObject:self]) {
				return YES;
			} else {
				[textView resignFirstResponder];
				return NO;
			}
		}
	}
	
	return YES;
}

- (void) textViewDidChangeSelection:(UITextView *)textView {
	if ([delegate respondsToSelector:@selector(growingTextViewDidChangeSelection:)]) {
		[delegate growingTextViewDidChangeSelection:self];
	}
}

@end

 

AddMessageViewController.h

 

#import <UIKit/UIKit.h>
#import "HPGrowingTextView.h"

@class ReceptionListViewController;

@interface AddMessageViewController : UIViewController<UITextFieldDelegate, UIScrollViewDelegate, HPGrowingTextViewDelegate> {
	UIView						*_sendView;
	UIScrollView				*_receptionView;
	UITextField					*_receptionLabel;
	NSMutableArray				*_receptionArray;
	NSMutableArray				*_receptionDtoArray;
	HPGrowingTextView			*_sendTextView;
	
	UITextField					*_sendTextField;
	
	ReceptionListViewController	*_receptionListViewController;
	UINavigationController		*_receptionNavigationController;
	
	UIButton					*_addButton;
	CGFloat						_receptionWidth;
	CGFloat						_receptionHeight;
	
	BOOL						_isButtonDelete;
	BOOL						_isToReceptionList;
}

@property (nonatomic, retain) IBOutlet UIView						*sendView;
@property (nonatomic, retain) IBOutlet UIScrollView					*receptionView;
@property (nonatomic, retain) HPGrowingTextView						*sendTextView;
@property (nonatomic, retain) IBOutlet UITextField					*receptionLabel;
@property (nonatomic, retain) NSMutableArray						*receptionArray;
@property (nonatomic, retain) NSMutableArray						*receptionDtoArray;
@property (nonatomic, retain) IBOutlet UITextField					*sendTextField;

@property (nonatomic, retain) IBOutlet ReceptionListViewController	*receptionListViewController;
@property (nonatomic, retain) IBOutlet UINavigationController		*receptionNavigationController;

@property (nonatomic, retain) IBOutlet UIButton						*addButton;
@property (nonatomic, assign) CGFloat								receptionWidth;
@property (nonatomic, assign) CGFloat								receptionHeight;

@property (nonatomic, assign) BOOL									isButtonDelete;
@property (nonatomic, assign) BOOL									isToReceptionList;

- (IBAction) dismissMyselfAction:(id)sender;
- (IBAction) addReceptionAction:(id)sender;
- (IBAction) sendMessageAction:(id)sender;
- (void) initForPage;
- (void) addReceiver;
- (void) resumeView;
- (IBAction) deleteButton:(id)sender;

@end

 

AddMessageViewController.m

 

#import "AddMessageViewController.h"
#import "ReceptionListViewController.h"

@implementation AddMessageViewController

@synthesize sendView = _sendView,receptionView = _receptionView;
@synthesize receptionLabel = _receptionLabel, receptionArray = _receptionArray;
@synthesize receptionListViewController = _receptionListViewController;
@synthesize receptionNavigationController = _receptionNavigationController;
@synthesize addButton = _addButton;
@synthesize receptionWidth = _receptionWidth, receptionHeight = _receptionHeight;
@synthesize isButtonDelete = _isButtonDelete;
@synthesize sendTextField = _sendTextField;
@synthesize isToReceptionList = _isToReceptionList;
@synthesize receptionDtoArray = _receptionDtoArray;
@synthesize sendTextView = _sendTextView;

- (void) viewDidLoad {
    [super viewDidLoad];
	
	self.receptionWidth = 62;
	self.receptionHeight = 6;
	
	self.sendTextView = [[HPGrowingTextView alloc] initWithFrame:CGRectMake(68, 205, 185, 35)];
	self.sendTextView.minNumberOfLines = 1;
	self.sendTextView.maxNumberOfLines = 6;
	self.sendTextView.font = [UIFont systemFontOfSize:15.0f];
	self.sendTextView.delegate = self;
	self.sendTextView.backgroundColor = [UIColor clearColor];
	
	[self.view addSubview:self.sendTextView];
	[self.sendTextView sizeToFit];
	
	self.sendTextField.frame = CGRectMake(66, 5, 190, 36);
	
	NSMutableArray *array = [[NSMutableArray alloc] init];
	self.receptionDtoArray = array;
	[array release];
	
	self.view.backgroundColor = [UIColor colorWithRed:0.859f green:0.886f blue:0.929f alpha:1.0f];
	
	self.receptionListViewController.addMessageViewController = self;
}

- (void) viewWillAppear:(BOOL)animated {
	[super viewWillAppear:animated];	
	[self initForPage];
}

- (void) viewWillDisappear:(BOOL)animated {
	[super viewWillDisappear:animated];
	
	if (!self.isToReceptionList) {		
		NSMutableArray *array = [[NSMutableArray alloc] init];
		self.receptionDtoArray = array;
		[array release];
		
		[self resumeView];
		
		self.sendTextView.text = @"";
		
		self.sendView.frame = CGRectMake(0, 200, 320, 44);
		self.sendTextField.frame = CGRectMake(66, 5, 190, 36);
		self.sendTextView.frame = CGRectMake(68, 205, 185, 35);
	}
}

- (void)dealloc {
	[_sendView release];
	[_receptionView release];
	[_receptionLabel release];
	[_receptionArray release];
	[_receptionListViewController release];
	[_receptionNavigationController release];
	[_addButton release];
	[_sendTextField release];
	[_receptionDtoArray release];
	[_sendTextView release];
    [super dealloc];
}

- (void) initForPage {
	[self.sendTextField becomeFirstResponder];
	[self.receptionLabel becomeFirstResponder];
}

- (void) addReceiver {
	[self resumeView];
	
	NSMutableString *receiver = [[NSMutableString alloc] init];
	
	NSMutableArray *tempArray = [[NSMutableArray alloc] init];
	self.receptionArray = tempArray;
	[tempArray release];
	
	for (int i = 0; i < self.receptionDtoArray.count; i++) {
		NSString *guideName = [self.receptionDtoArray objectAtIndex:i];
		[self.receptionArray addObject:guideName];
		
		UIFont *baseFone = [UIFont systemFontOfSize:12];
		CGSize size = [guideName sizeWithFont:baseFone constrainedToSize:CGSizeMake(200, 1000) lineBreakMode:UILineBreakModeWordWrap];
		
		UIButton *button = [UIButton buttonWithType:UIButtonTypeCustom];
		[button setTitle:guideName forState:UIControlStateNormal];
		UIImage *normalImage = [UIImage imageNamed:@"act-normal.png"];
		[button setBackgroundImage:[normalImage stretchableImageWithLeftCapWidth:21 topCapHeight:14] forState:UIControlStateNormal];
		[button setBackgroundImage:[normalImage stretchableImageWithLeftCapWidth:21 topCapHeight:14] forState:UIControlStateHighlighted];
		UIImage *highImage = [UIImage imageNamed:@"act.png"];
		[button setBackgroundImage:[highImage stretchableImageWithLeftCapWidth:21 topCapHeight:14]forState:UIControlStateDisabled];
		
		[button setTitleColor:[UIColor blackColor] forState:UIControlStateNormal];
		[button setTitleColor:[UIColor whiteColor] forState:UIControlStateDisabled];
		button.titleLabel.font = [UIFont systemFontOfSize:12];
		button.tag = i;
		[button addTarget:self action:@selector(deleteButton:) forControlEvents:UIControlEventTouchUpInside];
		
		//设置按钮位置
		if (self.receptionWidth + size.width + 10 >= 275) {
			self.receptionHeight = self.receptionHeight + size.height + 12;
			self.receptionWidth = 8;
			if (self.receptionHeight > 6.0f) {
				button.frame = CGRectMake(self.receptionWidth, self.receptionHeight, size.width + 18, 26);
			} else {
				button.frame = CGRectMake(self.receptionWidth - 52, self.receptionHeight, size.width + 18, 26);
			}
		} else {
			button.frame = CGRectMake(self.receptionWidth, self.receptionHeight, size.width + 18, 26);
		}
		[self.receptionView addSubview:button];
		
		self.receptionWidth += size.width + 23;
		
		//设置隐藏的textfield中的值
		if (i == self.receptionDtoArray.count - 1) {
			[receiver appendFormat:@"%@", guideName];
		} else {
			[receiver appendFormat:@"%@,", guideName];
		}
	}
	self.receptionLabel.text = receiver;
	self.addButton.frame = CGRectMake(280, self.receptionHeight, 29, 29);
	self.addButton.tag = 99;
	[self.receptionView addSubview:self.addButton];
	
	//定义scrollview高度
	self.receptionView.frame = CGRectMake(0, 44, 320, self.receptionHeight + 32);
	if (self.receptionView.frame.size.height >= 199 - self.sendView.frame.size.height) {
		self.receptionView.frame = CGRectMake(0, 44, 320, 199 - self.sendView.frame.size.height);
	}
	self.receptionView.contentSize = CGSizeMake(320, self.receptionHeight + 40);
}

//页面恢复原状，按钮全部去掉
- (void) resumeView {
	self.receptionView.frame = CGRectMake(0, 44, 320, 38);
	self.receptionView.contentSize = CGSizeMake(320, 38);
	self.receptionWidth = 62;
	self.receptionHeight = 6;
	for(UIView *subview in [self.receptionView subviews]) {
		if([[subview class] isSubclassOfClass:UIButton.class]){
			UIButton *tipsButton = (UIButton *)subview;
			[tipsButton removeFromSuperview];
		}
	}
}

- (IBAction) deleteButton:(id)sender {
	self.isButtonDelete = YES;
	
	NSMutableArray *tempArray = [[NSMutableArray alloc] init];
	self.receptionArray = tempArray;
	[tempArray release];
	for (int i = 0; i < self.receptionDtoArray.count; i++) {
        NSString *guideName = [self.receptionDtoArray objectAtIndex:i];
		[self.receptionArray addObject:guideName];        
	}
	UIButton *button = (UIButton *)sender;
	//当选中当前按钮时，其他按钮恢复原状，可以点击
	for(UIView *subview in [self.receptionView subviews]){
		if([[subview class] isSubclassOfClass:UIButton.class]){
			UIButton *tipsButton = (UIButton *)subview;
			if (tipsButton.tag != 99) {
				[tipsButton setEnabled:YES];
			}
		}
	}
	//当前按钮进入选中状态而且不可点击
	[button setEnabled:NO];
	//删除替补数组中的信息
	for (int i = 0; i < self.receptionArray.count; i++) {
		if (button.tag == i) {
			[self.receptionArray removeObject:[self.receptionArray objectAtIndex:i]];
		}
	}
}

#pragma mark -
#pragma mark TextField Delegate Method
- (BOOL) textField:(UITextField *)textField shouldChangeCharactersInRange:(NSRange)range replacementString:(NSString *)string { 	
	NSString *candidateString = [textField.text stringByReplacingCharactersInRange:range withString:string]; 
	if ([candidateString length] < [self.receptionLabel.text length]) {
		//如果是选中状态则删除对应按钮，不然就将最后一个联系人设为选中状态
		if (self.isButtonDelete) {
			for (int i = 0; i < self.receptionDtoArray.count; i++) {
                NSString *guideName = [self.receptionDtoArray objectAtIndex:i];
				if ([self.receptionArray containsObject:guideName]) {
				} else {
					[self.receptionDtoArray removeObject:guideName];
				}
			}
			[self addReceiver];
			
			self.isButtonDelete = NO;
		} else {
			//将scrollview子视图里面联系人的按钮存放在新的数组里
			NSMutableArray *tempArray = [[NSMutableArray alloc] init];
			for(UIView *subview in [self.receptionView subviews]){
				if([[subview class] isSubclassOfClass:UIButton.class]){
					UIButton *tipsButton = (UIButton *)subview;
					if(tipsButton.tag != 99){
						[tempArray addObject:tipsButton];
					}
				}
			}
			if ([[self.receptionView subviews] count] != 1) {
				for(UIButton *button in tempArray){
					if (button == [tempArray lastObject]) {
						[self deleteButton:button];
					}
				}
			}
		}
	}
	return NO;
} 

- (void) growingTextView:(HPGrowingTextView *)growingTextView willChangeHeight:(float)height {
	float diff = (self.sendTextView.frame.size.height - height);
	
	CGRect r = self.sendTextView.frame;
	r.origin.y += diff;
	self.sendTextView.frame = r;
	
	CGRect sendFrame = self.sendView.frame;
	sendFrame.origin.y += diff;
	sendFrame.size.height -= diff;
	self.sendView.frame = sendFrame;
	
	CGRect textFieldFrame = self.sendTextField.frame;
	textFieldFrame.size.height -= diff;
	self.sendTextField.frame = textFieldFrame;	
}

- (BOOL) growingTextViewShouldBeginEditing:(HPGrowingTextView *)growingTextView {
	[self.receptionLabel setHidden:NO];
	[self resumeView];
	return YES;
	
}

- (BOOL) textFieldShouldBeginEditing:(UITextField *)textField {
	//切换textfield的状态
	if (textField == self.receptionLabel) {
		[self.receptionLabel setHidden:YES];
		[self addReceiver];
	}
	return YES;	
}

- (IBAction) dismissMyselfAction:(id)sender {
	self.isToReceptionList = NO;	
	[self dismissModalViewControllerAnimated:YES];
}

- (IBAction) addReceptionAction:(id)sender {
	self.isToReceptionList = YES;	
	[self presentModalViewController:self.receptionNavigationController animated:YES];
}

@end

 

示例图：