iOS应用中增加emoji表情输入功能

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iOS J#C C++C#

Emoji的介绍参见wiki,iOS支持的emoji表情列表参见http://pukupi.com/post/1964/,iOS支持的emoji表情的Unicode编码范围为[0xE001,0xE05A]&[0xE101,0xE15A]&[0xE201,0xE253]&[0xE401&0xE44C]&[0xE501,0xE537],Unicode编码转为NSString的方法为[NSStringstringWithFormat:@"%C", i].使用如下代码可以弹出一个可以选择Emoji表情的输入框,

- (void)didSelectAFace:(id)sender{

UIButton*button = (UIButton*)sender;

NSString*emojiStr = [NSStringstringWithFormat:@"%C", button.tag];

textView.text= [NSStringstringWithFormat:@"%@%@",textView.text,emojiStr];

}

- (void)hideEmojiView{

[emojiViewremoveFromSuperview];

[emojiCloseButtonremoveFromSuperview];

}

- (void)showEmojiView{

CGFloatx = (self.view.frame.size.width-300.0f)/2;

CGFloaty =self.view.frame.size.height-190;

if(emojiView==nil) {

self.emojiView= [[UIViewalloc]initWithFrame:CGRectMake(x,y,300.0f,140.0f)];

emojiView.backgroundColor= [UIColorlightGrayColor];

emojiView.alpha=0.8;

emojiView.layer.cornerRadius=6;

[emojiView.layersetMasksToBounds:YES];

UIScrollView*emojiScrollView = [[UIScrollViewalloc]init];

emojiScrollView.frame=CGRectMake(0,0,300.0f,140.0f);

[emojiViewaddSubview:emojiScrollView];

intxIndex =0;

intyIndex =0;

intemojiRangeArray[10] = {0xE001,0xE05A,0xE101,0xE15A,0xE201,0xE253,0xE401,0xE44C,0xE501,0xE537};

for(intj =0; j<10; j+=2) {

intstartIndex = emojiRangeArray[j];

intendIndex = emojiRangeArray[j+1];

for(inti = startIndex ; i<= endIndex ; i++ ) {

UIButton*button = [UIButtonbuttonWithType:UIButtonTypeCustom];

button.frame=CGRectMake(6+ xIndex*32,6+ yIndex*32,32.0f,32.0f);

[buttonsetTitle:[NSStringstringWithFormat:@"%C", i]forState:UIControlStateNormal];

button.tag= i;

[buttonaddTarget:selfaction:@selector(didSelectAFace:)forControlEvents:UIControlEventTouchUpInside];

[emojiScrollViewaddSubview:button];

xIndex +=1;

if(xIndex ==9) {

xIndex =0;

yIndex +=1;

}

[emojiScrollViewsetContentSize:CGSizeMake(300.0f,12+ (yIndex+1)*32)];

//closeButton

self.emojiCloseButton= [UIButtonbuttonWithType:UIButtonTypeCustom];

emojiCloseButton.frame=CGRectMake(x-10.0f, y-10.0f,24.0f,24.0f);

[emojiCloseButtonsetImage:[UIImageimageNamed:@"dialog_close.png"]forState:UIControlStateNormal];

[emojiCloseButtonaddTarget:selfaction:@selector(hideEmojiView)forControlEvents:UIControlEventTouchUpInside];

}

else{

emojiView.frame=CGRectMake(x,y,300.0f,140.0f);

emojiCloseButton.frame=CGRectMake(x-10.0f, y-10.0f,24.0f,24.0f);

}

[self.viewaddSubview:emojiView];

[self.viewaddSubview:emojiCloseButton];

}

iPhone Emoji Decimal Character Entities

The complete list of iPhone emoji and their respective decimal character entities:

						
						
						
						
						
						
						
						
						
						
						
						
						
						
						
						

						
						
						
						
						
						
						
			

						
						
						
						
						
						
						
						
						
						
						
						
						
						
						
						
						
						
						
	

						
						
						
						
						
						
						
						
						
						

						
						
						
						
						
						
						
						
						
						
						
						
						
						
		

转载地址：http://pukupi.com/post/1964/

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