unity中使用九宫格输入中文的问题

android的没问题

iOS的一直输入不了中文

解决办法：原文地址http://my.oschina.net/araya/blog/680943

#include "Keyboard.h"#include "DisplayManager.h"#include "UnityForwardDecls.h"#include <string>// Respect values passed from prefix header or CFlags#ifndef FILTER_EMOJIS_IOS_KEYBOARD// Set this flag to 0 in order to allow emoji symbols to be entered in the iOS keyboard.#define FILTER_EMOJIS_IOS_KEYBOARD 1#endifstatic KeyboardDelegate*_keyboard = nil;static bool_shouldHideInput = false;static bool_shouldHideInputChanged = false;static const unsigned       kToolBarHeight = 64;@implementation KeyboardDelegate{// UI handling// in case of single line we use UITextField inside UIToolbar// in case of multi-line input we use UITextView with UIToolbar as accessory view// toolbar buttons are kept around to prevent releasing them// tvOS does not support multiline input thus only UITextField option is implemented#if UNITY_IOSUITextView*textView;UIToolbar*viewToolbar;NSArray*viewToolbarItems;#endifUITextField*textField;// keep toolbar items for both single- and multi- line edit in NSArray to make sure they are kept around#if UNITY_IOSUIToolbar*fieldToolbar;NSArray*fieldToolbarItems;#endif// inputView is view used for actual input (it will be responder): UITextField [single-line] or UITextView [multi-line]// editView is the "root" view for keyboard: UIToolbar [single-line] or UITextView [multi-line]UIView*inputView;UIView*editView;CGRect_area;NSString*initialText;UIKeyboardTypekeyboardType;BOOL_multiline;BOOL_inputHidden;BOOL_active;BOOL_done;BOOL_canceled;BOOL_rotating;}@synthesize area;@synthesize active= _active;@synthesize done= _done;@synthesize canceled= _canceled;@synthesize text;// While emoji symbols are still shown in the iOS keyboard, they are all filtered by the// shouldChangeCharactersInRange method below.#if FILTER_EMOJIS_IOS_KEYBOARDbool stringContainsEmoji(NSString *string){__block BOOL returnValue = NO;[string enumerateSubstringsInRange:NSMakeRange(0, [string length])options:NSStringEnumerationByComposedCharacterSequencesusingBlock: ^(NSString *substring, NSRange substringRange, NSRange enclosingRange, BOOL *stop){const unichar hs = [substring characterAtIndex:0];// Surrogate pairif(hs >= 0xD800 && hs <= 0xDBFF){if(substring.length > 1){// Compute the code point in the U+10000 - U+10FFFF plane.const unichar ls = [substring characterAtIndex:1];const int uc = ((hs - 0xD800) * 0x400) + (ls - 0xDC00) + 0x10000;// The ranges for the various emoji tables are as follows.// Musical -> [U+1D000, U+1D24F]// Miscellaneous Symbols and Pictographs -> [U+1F300, U+1F5FF]// Emoticons -> [U+1F600, U+1F64F]// Transport and Map Symbols -> [U+1F680, U+1F6FF]// Supplemental Symbols and Pictographs -> [U+1F900, U+1F9FF]if(uc >= 0x1D000 && uc <= 0x1F9FF){returnValue = YES;}}}else if(substring.length > 1){const unichar ls = [substring characterAtIndex:1];if(ls == 0x20E3){// Filter all the emojis for numbers.returnValue = YES;}else if(hs >= 0x270A && hs <= 0x270D){// Filter all the various hand symbols (e.g., victory sign, writing hand, etc).returnValue = YES;}}else{// Non surrogate pair.if(hs >= 0x2100 && hs <= 0x27FF){// Filter the following emoji ranges.// Letterlike Symbols -> [U+2100, U+214F]// Number Forms -> [U+2150, U+218F]// Arrows -> [U+2190, U+21FF]// Dingbats -> [U+2700, U+27BF]// Supplemental Arrows-A -> [U+27F0–U+27FF]returnValue = YES;}else if(hs >= 0x2900 && hs <= 0x297F){// Filter Supplemental Arrows-B -> [U+2900, U+297F]returnValue = YES;}else if(hs >= 0x2B05 && hs <= 0x2BFF){// Filter Miscellaneous Symbols and Arrows -> [U+2B00, U+2BFF]returnValue = YES;}}}];return returnValue;}// See the documentation for this method in http://apple.co/1OMnz8D.-(BOOL)textField:(UITextField *)textField shouldChangeCharactersInRange:(NSRange)range replacementString:(NSString *)string{// Process the input string using the 'stringContainsEmoji' function and return NO or YES// depending on whether it needs to be added to the UITexField or skipped altogether, respectively.// We need to do this because Unity's UI doesn't provide proper Unicode support yet.return !stringContainsEmoji(string);}#endif // FILTER_EMOJIS_IOS_KEYBOARD- (BOOL)textView:(UITextView *)textView shouldChangeTextInRange:(NSRange)range replacementText:(NSString *)text{    if ([text isEqualToString:@"\n"]){        //判断输入的字是否是回车，即按下return        //在这里做你响应return键的代码        [self hide];        return NO; //这里返回NO，就代表return键值失效，即页面上按下return，不会出现换行，如果为yes，则输入页面会换行    }    return YES;}- (BOOL)textViewShouldReturn:(UITextView*)textFieldObj{    [self hide];    return YES;}- (BOOL)textFieldShouldReturn:(UITextField*)textFieldObj{[self hide];return YES;}- (void)textInputDone:(id)sender{[self hide];}- (void)textInputCancel:(id)sender{_canceled = true;[self hide];}- (BOOL)textViewShouldBeginEditing:(UITextView*)view{#if !UNITY_TVOSview.inputAccessoryView = viewToolbar;#endifreturn YES;}#if UNITY_IOS- (void)keyboardDidShow:(NSNotification*)notification;{if (notification.userInfo == nil || inputView == nil)return;CGRect srcRect= [[notification.userInfo objectForKey:UIKeyboardFrameEndUserInfoKey] CGRectValue];CGRect rect= [UnityGetGLView() convertRect:srcRect fromView:nil];[self positionInput:rect x:rect.origin.x y:rect.origin.y];_active = YES;}- (void)keyboardWillHide:(NSNotification*)notification;{[self systemHideKeyboard];}- (void)keyboardDidChangeFrame:(NSNotification*)notification;{_active = true;CGRect srcRect= [[notification.userInfo objectForKey:UIKeyboardFrameEndUserInfoKey] CGRectValue];CGRect rect= [UnityGetGLView() convertRect:srcRect fromView: nil];if(rect.origin.y >= [UnityGetGLView() bounds].size.height)[self systemHideKeyboard];else[self positionInput:rect x:rect.origin.x y:rect.origin.y];}#endif+ (void)Initialize{NSAssert(_keyboard == nil, @"[KeyboardDelegate Initialize] called after creating keyboard");if(!_keyboard)_keyboard = [[KeyboardDelegate alloc] init];}+ (KeyboardDelegate*)Instance{if(!_keyboard)_keyboard = [[KeyboardDelegate alloc] init];return _keyboard;}#if UNITY_IOSstruct CreateToolbarResult{UIToolbar*toolbar;NSArray*items;};- (CreateToolbarResult)createToolbarWithView:(UIView*)view{UIToolbar* toolbar = [[UIToolbar alloc] initWithFrame:CGRectMake(0,160,320, kToolBarHeight)];UnitySetViewTouchProcessing(toolbar, touchesIgnored);toolbar.hidden = NO;UIBarButtonItem* inputItem= view ? [[UIBarButtonItem alloc] initWithCustomView:view] : nil;UIBarButtonItem* doneItem= [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemDone target:self action:@selector(textInputDone:)];UIBarButtonItem* cancelItem= [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemCancel target:self action:@selector(textInputCancel:)];NSArray* items = view ? @[inputItem, doneItem, cancelItem] : @[doneItem, cancelItem];toolbar.items = items;inputItem = nil;doneItem = nil;cancelItem = nil;CreateToolbarResult ret = {toolbar, items};return ret;}#endif- (id)init{NSAssert(_keyboard == nil, @"You can have only one instance of KeyboardDelegate");self = [super init];if(self){#if UNITY_IOStextView = [[UITextView alloc] initWithFrame:CGRectMake(0, 480, 480, 30)];textView.delegate = self;textView.font = [UIFont systemFontOfSize:18.0];textView.hidden = YES;        textView.returnKeyType = UIReturnKeyDone;#endiftextField = [[UITextField alloc] initWithFrame:CGRectMake(0,0,120,30)];textField.delegate = self;textField.borderStyle = UITextBorderStyleRoundedRect;textField.font = [UIFont systemFontOfSize:20.0];textField.clearButtonMode = UITextFieldViewModeWhileEditing;#define CREATE_TOOLBAR(t, i, v)\do {\CreateToolbarResult res = [self createToolbarWithView:v];\t = res.toolbar;\i = res.items;\} while(0)#if UNITY_IOS//CREATE_TOOLBAR(viewToolbar, viewToolbarItems, nil);CREATE_TOOLBAR(fieldToolbar, fieldToolbarItems, textField);#endif#undef CREATE_TOOLBAR#if UNITY_IOS[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keyboardDidShow:) name:UIKeyboardDidShowNotification object:nil];[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keyboardWillHide:) name:UIKeyboardWillHideNotification object:nil];[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keyboardDidChangeFrame:) name:UIKeyboardDidChangeFrameNotification object:nil];#endif[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(textInputDone:) name:UITextFieldTextDidEndEditingNotification object:nil];}return self;}- (void) setTextInputTraits: (id<UITextInputTraits>) traits  withParam: (KeyboardShowParam) paramwithCap: (UITextAutocapitalizationType) capitalization{traits.keyboardType= param.keyboardType;traits.autocorrectionType = param.autocorrectionType;traits.secureTextEntry = param.secure;traits.keyboardAppearance = param.appearance;traits.autocapitalizationType = capitalization;}- (void)setKeyboardParams:(KeyboardShowParam)param{if(_active)[self hide];initialText = param.text ? [[NSString alloc] initWithUTF8String: param.text] : @"";UITextAutocapitalizationType capitalization = UITextAutocapitalizationTypeSentences;if(param.keyboardType == UIKeyboardTypeURL || param.keyboardType == UIKeyboardTypeEmailAddress)capitalization = UITextAutocapitalizationTypeNone;#if UNITY_IOS//_multiline = param.multiline;    _multiline = true;if (_multiline){textView.text = initialText;[self setTextInputTraits:textView withParam:param withCap:capitalization];}else{textField.text = initialText;[self setTextInputTraits:textField withParam:param withCap:capitalization];textField.placeholder = [NSString stringWithUTF8String:param.placeholder];}inputView = _multiline ? textView : textField;editView = _multiline ? textView : fieldToolbar;#else // UNITY_TVOStextField.text = initialText;[self setTextInputTraits:textField withParam:param withCap:capitalization];textField.placeholder = [NSString stringWithUTF8String:param.placeholder];inputView = textField;editView = textField;#endif    [self shouldHideInput:_shouldHideInput];_done= NO;_canceled= NO;_active= YES;}// we need to show/hide keyboard to react to orientation too, so extract we extract UI fiddling- (void)showUI{// if we unhide everything now the input will be shown smaller then needed quickly (and resized later)// so unhide only when keyboard is actually shown (we will update it when reacting to ios notifications)editView.hidden = YES;[UnityGetGLView() addSubview:editView];[inputView becomeFirstResponder];}- (void)hideUI{[inputView resignFirstResponder];[editView removeFromSuperview];editView.hidden = YES;}- (void)systemHideKeyboard{_active = editView.isFirstResponder;editView.hidden = YES;_area = CGRectMake(0,0,0,0);}- (void)show{[self showUI];}- (void)hide{[self hideUI];_done = YES;}- (void)updateInputHidden{if(_shouldHideInputChanged){[self shouldHideInput:_shouldHideInput];_shouldHideInputChanged = false;}textField.returnKeyType = _inputHidden ? UIReturnKeyDone : UIReturnKeyDefault;editView.hidden= _inputHidden ? YES : NO;inputView.hidden= _inputHidden ? YES : NO;}#if UNITY_IOS- (void)positionInput:(CGRect)kbRect x:(float)x y:(float)y{if(_multiline){// use smaller area for iphones and bigger one for ipads//int height = UnityDeviceDPI() > 300 ? 75 : 100;//editView.frame= CGRectMake(0, y - kToolBarHeight, kbRect.size.width, height);        int height = UnityDeviceDPI() > 300 ? 38 : 100;        editView.frame= CGRectMake(0, y - height, kbRect.size.width, height);}else{CGRect   statusFrame= [UIApplication sharedApplication].statusBarFrame;unsigned statusHeight= statusFrame.size.height;editView.frame= CGRectMake(0, y - kToolBarHeight - statusHeight, kbRect.size.width, kToolBarHeight);        inputView.frame= CGRectMake(inputView.frame.origin.x,                                     inputView.frame.origin.y,                                     kbRect.size.width - 3*18 - 2*50,                                     inputView.frame.size.height);}_area = CGRectMake(x, y, kbRect.size.width, kbRect.size.height);[self updateInputHidden];}#endif- (CGRect)queryArea{return editView.hidden ? _area : CGRectUnion(_area, editView.frame);}+ (void)StartReorientation{if(_keyboard && _keyboard.active){[CATransaction begin];[_keyboard hideUI];[CATransaction commit];// not pretty but seems like easiest way to keep "we are rotating" status_keyboard->_rotating = YES;}}+ (void)FinishReorientation{if(_keyboard && _keyboard->_rotating){[CATransaction begin];[_keyboard showUI];[CATransaction commit];_keyboard->_rotating = NO;}}- (NSString*)getText{if (_canceled)return initialText;else{#if UNITY_TVOSreturn [textField text];#elsereturn _multiline ? [textView text] : [textField text];#endif}}- (void) setTextWorkaround:(id<UITextInput>)textInput text:(NSString*)newText{UITextPosition* begin = [textInput beginningOfDocument];UITextPosition* end = [textInput endOfDocument];UITextRange* allText = [textInput textRangeFromPosition:begin toPosition:end];[textInput setSelectedTextRange:allText];[textInput insertText:newText];}- (void)setText:(NSString*)newText{#if UNITY_IOS// We can't use setText on iOS7 because it does not update the undo stack.// We still prefer setText on other iOSes, because an undo operation results// in a smaller selection shown on the UIif(_ios70orNewer && !_ios80orNewer)[self setTextWorkaround: (_multiline ? textView : textField) text:newText];if(_multiline)textView.text = newText;elsetextField.text = newText;#elsetextField.text = newText;#endif}- (void)shouldHideInput:(BOOL)hide{if(hide){switch(keyboardType){case UIKeyboardTypeDefault:                 hide = YES;break;case UIKeyboardTypeASCIICapable:            hide = YES;break;case UIKeyboardTypeNumbersAndPunctuation:   hide = YES;break;case UIKeyboardTypeURL:                     hide = YES;break;case UIKeyboardTypeNumberPad:               hide = NO;break;case UIKeyboardTypePhonePad:                hide = NO;break;case UIKeyboardTypeNamePhonePad:            hide = NO;break;case UIKeyboardTypeEmailAddress:            hide = YES;break;default:                                    hide = NO;break;}}_inputHidden = hide;}@end//==============================================================================////  Unity Interface:extern "C" void UnityKeyboard_Create(unsigned keyboardType, int autocorrection, int multiline, int secure, int alert, const char* text, const char* placeholder){#if UNITY_TVOS// Not supported. The API for showing keyboard for editing multi-line text// is not available on tvOSmultiline = false;#endifstatic const UIKeyboardType keyboardTypes[] ={UIKeyboardTypeDefault,UIKeyboardTypeASCIICapable,UIKeyboardTypeNumbersAndPunctuation,UIKeyboardTypeURL,UIKeyboardTypeNumberPad,UIKeyboardTypePhonePad,UIKeyboardTypeNamePhonePad,UIKeyboardTypeEmailAddress,};static const UITextAutocorrectionType autocorrectionTypes[] ={UITextAutocorrectionTypeNo,UITextAutocorrectionTypeDefault,};static const UIKeyboardAppearance keyboardAppearances[] ={UIKeyboardAppearanceDefault,UIKeyboardAppearanceAlert,};KeyboardShowParam param ={text, placeholder,keyboardTypes[keyboardType],autocorrectionTypes[autocorrection],keyboardAppearances[alert],(BOOL)multiline, (BOOL)secure};[[KeyboardDelegate Instance] setKeyboardParams:param];}extern "C" void UnityKeyboard_Show(){// do not send hide if didnt create keyboard// TODO: probably assert?if(!_keyboard)return;[[KeyboardDelegate Instance] show];}extern "C" void UnityKeyboard_Hide(){// do not send hide if didnt create keyboard// TODO: probably assert?if(!_keyboard)return;[[KeyboardDelegate Instance] hide];}extern "C" void UnityKeyboard_SetText(const char* text){[KeyboardDelegate Instance].text = [NSString stringWithUTF8String: text];}extern "C" NSString* UnityKeyboard_GetText(){return [KeyboardDelegate Instance].text;}extern "C" int UnityKeyboard_IsActive(){return (_keyboard && _keyboard.active) ? 1 : 0;}extern "C" int UnityKeyboard_IsDone(){return (_keyboard && _keyboard.done) ? 1 : 0;}extern "C" int UnityKeyboard_WasCanceled(){return (_keyboard && _keyboard.canceled) ? 1 : 0;}extern "C" void UnityKeyboard_SetInputHidden(int hidden){_shouldHideInput= hidden;_shouldHideInputChanged= true;// update hidden status only if keyboard is on screen to avoid showing input view out of nowhereif(_keyboard && _keyboard.active)[_keyboard updateInputHidden];}extern "C" int UnityKeyboard_IsInputHidden(){return _shouldHideInput ? 1 : 0;}extern "C" void UnityKeyboard_GetRect(float* x, float* y, float* w, float* h){CGRect area = _keyboard ? _keyboard.area : CGRectMake(0,0,0,0);// convert to unity coord systemfloatmultX= (float)GetMainDisplaySurface()->targetW / UnityGetGLView().bounds.size.width;floatmultY= (float)GetMainDisplaySurface()->targetH / UnityGetGLView().bounds.size.height;*x = 0;*y = area.origin.y * multY;*w = area.size.width * multX;*h = area.size.height * multY;}