UITextView高度自适应

移动开发 2018-05-14 03:33:03 阅读次数: 1

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：




 

猜你喜欢

转载自eric-gao.iteye.com/blog/1688961
今日推荐
《美国对全球网络空间安全与发展的威胁和破坏》报告发布
火速冲上 GitHub 热榜 —— 开源编程语言、框架哪有这么可爱？
北京人形机器人创新中心发布全球首个纯电驱拟人奔跑的全尺寸人形机器人“天工”
LFOSSA 源来如此公开课 | 掌握云原生未来：CNCF 认证全面攻略与备考秘籍
周排行
循环神经网络（rnn）讲解
Tigao教程四：单独的关节运动
金蝶K3WISE15.0-注册套打教程
如何在Mac上配置Kubernetes
Android应用结束自身进程的方法
SpringMVC学习 十三 拦截器栈
中国驻洛杉矶总领馆举行新春招待会
HttpClient get post 发送
11 - three.js 笔记 - 绘制三维字体模型
Mysql递归获取某个父节点下面的所有子节点和子节点上的所有父节点
每日归档
更多
2024-05-01(4)
2024-04-30(1)
2024-04-29(40)
2024-04-28(0)
2024-04-27(56)
2024-04-26(39)
2024-04-25(22)
2024-04-24(36)
2024-04-23(26)
2024-04-22(39)

代码天地 © 2018 codetd.com

境外服务器   最新电视剧2022