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大家好我新的目標c，現在我嘗試創建像"What's the word"這樣的應用程序。我發現這個tutorial，並盡我所能地使用它。但我有一些問題。我想當我點擊按鈕currentTitle替換placesView中的標籤。 LettersView.m中的按鈕點擊方法命名爲「displayChar」。我在獲得currentTitle方面取得了成功，但現在我不知道如何將它傳遞給GameController並在「地點」上粘貼文本。 我將不勝感激任何幫助！如何從按鈕設置文本到UILabel點擊不同的視圖
這裏是我的代碼
LettersView.h
#import <UIKit/UIKit.h>
@class LettersView;
@protocol LetterClickDelegateProtocol <NSObject>
-(void)letterView:(LettersView*)letterView addChar:(NSString *)addChar;
@end
@interface LettersView : UIImageView
@property (strong, nonatomic, readonly) NSString* letter;
@property (assign, nonatomic) BOOL isMatched;
@property (strong, nonatomic) NSString *clickLetter;
@property (weak, nonatomic) id<LetterClickDelegateProtocol> clickDelegate;
@property (strong, nonatomic) UIButton *lblChar;
-(instancetype)initWithLetter:(NSString*)letter andSideLength:(float)sideLength;
@end
LettersView.m
#import "LettersView.h"
#import "config.h"
@implementation LettersView{
NSInteger _xOffset, _yOffset;
}
- (id)initWithFrame:(CGRect)frame
{
NSAssert(NO, @"Use initWithLetter:andSideLength instead");
return nil;
}
-(instancetype)initWithLetter:(NSString*)letter andSideLength:(float)sideLength
{
//the letter background
UIImage* img = [UIImage imageNamed:@"[email protected]"];
//create a new object
self = [super initWithImage:img];
if (self != nil) {
//resize the letters
float scale = sideLength/img.size.width;
self.frame = CGRectMake(0,0,img.size.width*scale, img.size.height*scale);
UIButton *lblChar = [[UIButton alloc] initWithFrame:self.bounds];
lblChar.tintColor = [UIColor blackColor];
lblChar.backgroundColor = [UIColor clearColor];
[lblChar setTitle:letter forState:UIControlStateNormal];
[lblChar addTarget:self action:@selector(displaychar:)forControlEvents:UIControlEventTouchUpInside];
[self addSubview:lblChar];
self.isMatched = NO;
_letter = letter;
self.userInteractionEnabled = YES;
}
return self;
}
-(void)displayChar:(id)sender {
UIButton *lblChar = (UIButton *)sender;
NSLog(@" The button's title is %@.", lblChar.currentTitle);
_clickLetter = lblChar.currentTitle;
if (self.clickDelegate) {
[self.clickDelegate letterView:self addChar:lblChar.currentTitle];
}
NSLog(@"hu %@", _clickLetter);
}
PlacesView.h
// PlacesView.m
#import "PlacesView.h"
#import "config.h"
@implementation PlacesView
-(id)initWithFrame:(CGRect)frame {
NSAssert(NO, @"Use initwithletter");
return nil;
}
-(instancetype)initWithLetter:(NSString *)letter andSideLength:(float)sideLength
{
UIImage *img = [UIImage imageNamed:@"[email protected]"];
self = [super initWithImage: img];
if (self != nil) {
self.isMatched = NO;
float scale = sideLength/img.size.width;
self.frame = CGRectMake(0, 0, img.size.width*scale, img.size.height*scale);
//bullshit time
_fieldForLetter = [[UILabel alloc] initWithFrame:self.bounds];
_fieldForLetter.textAlignment = NSTextAlignmentCenter;
_fieldForLetter.textColor = [UIColor blackColor];
_fieldForLetter.backgroundColor = [UIColor clearColor];
_fieldForLetter.text = @"*"; // if button pressed button title placed here.
[self addSubview:_fieldForLetter];
_letter = letter;
}
return self;
}
@end
GameController.m
#import "GameController.h"
#import "config.h"
#import "LettersView.h"
#import "PlacesView.h"
#import "AppDelegate.h"
@implementation GameController {
//tile lists
NSMutableArray* _letters;
NSMutableArray* _places;
}
-(instancetype)init {
self = [super init];
if (self != nil) {
self.points = [[PointsController alloc] init];
self.audioController = [[AudioController alloc] init];
[self.audioController preloadAudioEffects: kAudioEffectFiles];
}
return self;
}
-(void)dealRandomWord {
NSAssert(self.level.words, @"Level not loaded");
// random word from plist
NSInteger randomIndex = arc4random()%[self.level.words count];
NSArray* anaPair = self.level.words[ randomIndex ];
NSString* word1 = anaPair[1]; // answer
NSString* word2 = anaPair[2]; // some letters
_helpstr = anaPair[3]; // helper
NSLog(@"qweqweq %@ %@" , word1 , word2);
NSInteger word1len = [word1 length];
NSInteger word2len = [word2 length];
NSLog(@"phrase1[%li]: %@", (long)word1len, word1);
NSLog(@"phrase2[%li]: %@", (long)word2len, word2);
//calculate the letter size
float letterSide = ceilf(kScreenWidth*0.9/(float)MAX(word1len, word2len)) - kTileMargin;
//get the left margin for first letter
float xOffset = (kScreenWidth - MAX(word1len, word2len) * (letterSide + kTileMargin))/2;
//adjust for letter center
xOffset += letterSide/2;
float yOffset = 1.5* letterSide;
// init places list
_places = [NSMutableArray arrayWithCapacity: word1len];
// create places
for (NSInteger i = 0; i<word1len; i++){
NSString *letter = [word1 substringWithRange:NSMakeRange(i, 1)];
if (![letter isEqualToString:@" "]) {
PlacesView* place = [[PlacesView alloc] initWithLetter:letter andSideLength:letterSide];
place.center = CGPointMake(xOffset + i*(letterSide + kTileMargin), kScreenHeight/4);
[self.gameView addSubview:place];
[_places addObject: place];
}
}
//init letters list
_letters = [NSMutableArray arrayWithCapacity: word2len];
//create letter
for (NSInteger i=0;i<word2len;i++) {
NSString* letter = [word2 substringWithRange:NSMakeRange(i, 1)];
if (![letter isEqualToString:@" "]) {
LettersView* letv = [[LettersView alloc] initWithLetter:letter andSideLength:letterSide];
letv.center = CGPointMake(xOffset + i * (letterSide + kTileMargin), kScreenHeight); // "/3*4"
if (i > 6) {
letv.center = CGPointMake(-5.15 * xOffset + i * (letterSide + kTileMargin), kScreenHeight + yOffset); // "/3*4"
}
letv.clickDelegate = self;
[self.gameView addSubview:letv];
[_letters addObject: letter];
}
}
}
-(void)letterView:(LettersView *)letterView addChar:(NSString *)addChar
{
PlacesView* placesView = nil;
for (PlacesView* pl in _places) {
//if (CGRectContainsPoint(pl.frame, pt)) {
if() {
//placesView = pl;
placesView.fieldForLetter.text = letterView.lblChar.currentTitle;
break;
}
}
//1 check if target was found
if (placesView!=nil) {
//2 check if letter matches
if ([placesView.letter isEqualToString: letterView.letter]) {
[self placeLetter:letterView atTarget:placesView];
[self.audioController playEffect: kSoundLetterTap];
self.points.points += self.level.coinsPerLvl; //ne nado tak
NSLog(@"Current points %d" , self.points.points);
[self checkForSuccess];
} else {
[self.audioController playEffect:kSoundFail];
[self addAlert:@"ne success" andMessage:@"You lose!" andButton:@"eshe cyka"];
}
}
}
-(void)placeLetter:(LettersView*)letterView atTarget:(PlacesView*)placeView {
placeView.isMatched = YES;
letterView.isMatched = YES;
letterView.userInteractionEnabled = NO;
}
-(void)checkForSuccess {
for (PlacesView* p in _places) {
//no success, bail out
if (p.isMatched==NO) return;
}
NSLog(@"ya!");
[self addAlert:@"Success" andMessage:@"You win!" andButton:@"eshe cyka"];
[self.audioController playEffect:kSoundSuccess];
}
-(void)addAlert: (NSString *)addTitle andMessage: (NSString *)alertMessage andButton: (NSString *)alertButton {
dispatch_async(dispatch_get_main_queue(), ^{
UIWindow* window = [[UIWindow alloc] initWithFrame:[UIScreen mainScreen].bounds];
window.rootViewController = [UIViewController new];
window.windowLevel = UIWindowLevelAlert + 1;
UIAlertController *alert = [UIAlertController alertControllerWithTitle: addTitle message:alertMessage preferredStyle:UIAlertControllerStyleAlert];
UIAlertAction *defaultAction= [UIAlertAction actionWithTitle:alertButton style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
window.hidden = YES;
}];
[alert addAction:defaultAction];
[window makeKeyAndVisible];
[window.rootViewController presentViewController:alert animated:YES completion:nil];
});
}
@end
感謝您的建議，對我來說非常有用！ –