[iOS基礎控件-4.5]猜圖游戲

 1 // 設置狀態欄是否隱藏
 2 - (BOOL)prefersstatusBarHidden {
 3     return NO;
 4 }
 5  
 6 // 設置狀態欄
 7 - (UIStatusBarStyle)preferredStatusBarStyle {
 8     // 設置狀態欄為白色
 9     return UIStatusBarStyleLightContent;
10 }

1     // 5.1 刪除全部舊答案的button
2     [self.answerView.subviews makeObjectsPerformSelector:@selector(removeFromSuperview)];

1     // 6.1 刪除舊選項
2     [self.optionsView.subviews makeObjectsPerformSelector:@selector(removeFromSuperview)];

  1 //
  2 //  ViewController.m
  3 //  CrazyGuessGame
  4 //
  5 //  Created by hellovoidworld on 14/11/26.
  6 //  Copyright (c) 2014年 hellovoidworld. All rights reserved.
  7 //
  8 
  9 #import "ViewController.h"
 10 #import "Question.h"
 11 
 12 @interface ViewController ()
 13 
 14 @property (weak, nonatomic) IBOutlet UILabel *noLabel; // 序號
 15 @property (weak, nonatomic) IBOutlet UILabel *titleLabel; // 標題
 16 @property (weak, nonatomic) IBOutlet UIButton *icon;
 17 @property (weak, nonatomic) IBOutlet UIButton *nextImageButton;
 18 @property (weak, nonatomic) IBOutlet UIView *answerView;
 19 @property (weak, nonatomic) IBOutlet UIView *optionsView;
 20 @property (weak, nonatomic) IBOutlet UIButton *scoreButton;
 21 
 22 - (IBAction)onTipsButtonClicked;
 23 - (IBAction)onHelpButtonClicked;
 24 - (IBAction)onEnlargeImgButtonClicked;
 25 - (IBAction)onNextImgButtonClicked;
 26 - (IBAction)onImageClicked;
 27 
 28 /** 所有題目 */
 29 @property(nonatomic, strong) NSArray *questions;
 30 
 31 /** 當前題目序號 */
 32 @property(nonatomic, assign) int index;
 33 
 34 /** 遮蓋陰影 */
 35 @property(nonatomic, weak) UIButton *cover;
 36 
 37 /** 原始圖片位置、尺寸 */
 38 @property(nonatomic, assign) CGRect imageOriginalFrame;
 39 
 40 /** 答案是否已經填滿標識 */
 41 @property(nonatomic, assign) BOOL isAnswerCompleted;
 42 
 43 /** 得分 */
 44 @property(nonatomic, assign) int score;
 45 
 46 @end
 47 
 48 @implementation ViewController
 49 
 50 - (void)viewDidLoad {
 51     [super viewDidLoad];
 52     // Do any additional setup after loading the view, typically from a nib.
 53    
 54     //存儲原始圖片的位置、尺寸信息
 55     self.imageOriginalFrame = self.icon.frame;
 56    
 57     self.index = -1;
 58     [self onNextImgButtonClicked]; // 初次加載，index是0
 59 }
 60 
 61 - (void)didReceiveMemoryWarning {
 62     [super didReceiveMemoryWarning];
 63     // Dispose of any resources that can be recreated.
 64 }
 65 
 66 // 改寫getter, 延遲加載，此處不要使用self.questions來取得questions，否則陷入死循環
 67 - (NSArray *)questions {
 68     if (nil == _questions) {
 69         // 1.加載plist數據
 70         NSArray *questionDictArray = [NSArray arrayWithContentsOfFile:[[NSBundle mainBundle] pathForResource:@"questions" ofType:@"plist"]];
 71        
 72         NSMutableArray *questionsArray = [NSMutableArray array];
 73         for (NSDictionary *questionDict in questionDictArray) {
 74             // 2.將數據封裝到Model "Question"
 75             Question *question = [Question initWithDictionary:questionDict];
 76             [questionsArray addObject:question];
 77         }
 78 
 79         // 3.賦值
 80         _questions = questionsArray;
 81     }
 82    
 83     return _questions;
 84 }
 85 
 86 // 設置狀態欄是否隱藏
 87 - (BOOL)prefersStatusBarHidden {
 88     return NO;
 89 }
 90 
 91 
 92 // 設置狀態欄
 93 - (UIStatusBarStyle)preferredStatusBarStyle {
 94     // 設置狀態欄字體為白色
 95     return UIStatusBarStyleLightContent;
 96 }
 97 
 98 
 99 // 點擊“提示”按鈕
100 - (IBAction)onTipsButtonClicked {
101     // 1.清除現有的答案
102     for (UIButton *currentAnswerButton in self.answerView.subviews) {
103         [self onAnswerClicked:currentAnswerButton];
104     }
105    
106     // 2.取出正確答案片段
107     Question *question = self.questions[self.index];
108     NSString *partOfCorrectAnswer = [question.answer substringToIndex:1];
109    
110     // 3.填充到答案區
111     for (UIButton *optionButton in self.optionsView.subviews) {
112         if ([partOfCorrectAnswer isEqualToString:optionButton.currentTitle]) {
113             [self onOptionClicked:optionButton];
114         }
115     }
116    
117     // 5.扣取相應分數
118     [self calScore:-500];
119 }
120 
121 // 點擊“幫助”按鈕
122 - (IBAction)onHelpButtonClicked {
123 }
124 
125 // 點擊“大圖”按鈕
126 - (IBAction)onEnlargeImgButtonClicked {
127     // 1.1添加陰影
128     UIButton *cover = [[UIButton alloc] init];
129     cover.frame = self.view.bounds;
130     cover.backgroundColor = [UIColor blackColor];
131     cover.alpha = 0;
132    
133     // 1.2給陰影添加變回小圖的觸發事件
134     [cover addTarget:self action:@selector(smallImg) forControlEvents:UIControlEventTouchUpInside];
135    
136     self.cover = cover;
137     [self.view addSubview:cover];
138    
139     // 2.更換陰影和圖片的位置
140     [self.view bringSubviewToFront:self.icon];
141    
142     // 3.更改圖像大小，顯示陰影
143     [UIView animateWithDuration:1 animations:^{
144         cover.alpha = 0.7;
145        
146         CGFloat iconWidth = self.view.frame.size.width;
147         CGFloat iconHeight = iconWidth;
148         CGFloat iconX = 0;
149         CGFloat iconY = (self.view.frame.size.height / 2) - (iconHeight / 2);
150         self.icon.frame = CGRectMake(iconX, iconY, iconWidth, iconHeight);
151     }];
152 }
153 
154 /** 縮小圖片 */
155 - (void) smallImg {
156     [UIView animateWithDuration:1 animations:^{
157         // 1.刪除陰影
158         self.cover.alpha = 0;
159        
160         // 2.恢復圖片
161         self.icon.frame = self.imageOriginalFrame;
162        
163     } completion:^(BOOL finished) {
164         // 動畫執行完成后
165        
166         [self.cover removeFromSuperview];
167         self.cover = nil;
168     }];
169    
170 }
171 
172 // 點擊“下一題”按鈕
173 - (IBAction)onNextImgButtonClicked {
174     self.index++;
175    
176     // 1.取出相應地Model數據
177     Question *question = self.questions[self.index];
178 
179     // 2.設置控件
180     [self setControls:question];
181    
182     // 3.設置答案
183     [self addAnswer:question];
184    
185     // 4.設置選項
186     [self addOptions:question];
187    
188 
189 }
190 
191 /** 設置控件 */
192 - (void) setControls:(Question *) question {
193     // 1.答案是否已經填滿
194     self.isAnswerCompleted = NO;
195    
196     // 2.得分
197     [self.scoreButton setTitle:[NSString stringWithFormat:@"%d", self.score] forState:UIControlStateNormal];
198    
199     // 2.設置序號
200     self.noLabel.text = [NSString stringWithFormat:@"%d/%d", self.index + 1, self.questions.count];
201    
202     // 3.設置標題
203     self.titleLabel.text = question.title;
204    
205     // 4.設置圖片
206     [self.icon setImage:[UIImage imageNamed:question.icon] forState:UIControlStateNormal];
207    
208     // 5.設置“下一題”按鈕
209     self.nextImageButton.enabled = (self.index + 1) != self.questions.count;
210 }
211 
212 /** 加入答案區 */
213 - (void) addAnswer:(Question *) question {
214     // 5.1 刪除全部舊答案的button
215     [self.answerView.subviews makeObjectsPerformSelector:@selector(removeFromSuperview)];
216    
217     // 5.1 加入新答案
218     int answerCount = question.answer.length; // 答案字數
219    
220     // 初始化尺寸信息
221     CGFloat answerWidth = 35;
222     CGFloat answerHeight = self.answerView.frame.size.height;
223     CGFloat answerMargin = 10;
224     CGFloat answerMarginLeft = (self.answerView.frame.size.width - answerWidth * answerCount - answerMargin * (answerCount - 1) ) / 2;
225    
226     for (int i=0; i<question.answer.length; i++) {
227         // 計算位置
228         CGFloat answerX = answerMarginLeft + i * (answerWidth + answerMargin);
229         CGFloat answerY = 0;
230        
231         UIButton *answerButton = [[UIButton alloc] initWithFrame:CGRectMake(answerX, answerY, answerWidth, answerHeight)];
232        
233         // 設置背景
234         [answerButton setBackgroundImage:[UIImage imageNamed:@"btn_answer"] forState: UIControlStateNormal];
235         [answerButton setBackgroundImage:[UIImage imageNamed:@"btn_answer_highlighted"] forState: UIControlStateHighlighted];
236        
237         // 設置按鈕點擊事件，讓按鈕文字消失，相應的選項恢復
238         [answerButton addTarget:self action:@selector(onAnswerClicked:) forControlEvents:UIControlEventTouchUpInside];
239        
240         [self.answerView addSubview:answerButton];
241     }
242    
243     [self.view addSubview:self.answerView];
244 }
245 
246 /**
247     設置按鈕點擊事件，讓按鈕文字消失，相應的選項恢復
248 */
249 - (void) onAnswerClicked:(UIButton *) answerButton {
250     // 1.設置答案標識
251     self.isAnswerCompleted = NO;
252    
253     // 2.恢復相應的選項
254     NSString *answerTitle = [answerButton titleForState:UIControlStateNormal];
255     for (UIButton *optionButton in self.optionsView.subviews) {
256         if ([answerTitle isEqualToString:[optionButton titleForState:UIControlStateNormal]]
257             && optionButton.isHidden) {
258             optionButton.hidden = NO;
259             break;
260         }
261     }
262    
263     // 3.清除按鈕上的文字
264     [answerButton setTitle:nil forState:UIControlStateNormal];
265    
266     // 4.恢復答案文字顏色
267     for (UIButton *answerButton in self.answerView.subviews) {
268         [answerButton setTitleColor:[UIColor blackColor] forState:UIControlStateNormal];
269     }
270 }
271 
272 /** 加入選項區 */
273 - (void) addOptions:(Question *) question {
274     // 6.1 刪除舊選項
275     [self.optionsView.subviews makeObjectsPerformSelector:@selector(removeFromSuperview)];
276    
277     // 6.2 加入新選項
278     int optionsCount = question.options.count;
279     CGFloat optionWidth = 35;
280     CGFloat optionHeight = 35;
281     int columnCount = 7;
282     CGFloat optionMargin = 10;
283     CGFloat optionMarginLeft = (self.optionsView.frame.size.width - optionWidth * columnCount - optionMargin * (columnCount - 1)) / 2;
284    
285     for (int i=0; i<optionsCount; i++) {
286         int rowNo = i / columnCount; // 當前行號，從0開始
287         int columnNo = i % columnCount; // 當前列號，從0開始
288         CGFloat optionX = optionMarginLeft + columnNo * (optionWidth + optionMargin);
289         CGFloat optionY = rowNo * (optionHeight + optionMargin);
290        
291         UIButton *optionButton = [[UIButton alloc] initWithFrame:CGRectMake(optionX, optionY, optionWidth, optionHeight)];
292        
293         [optionButton setBackgroundImage:[UIImage imageNamed:@"btn_option"] forState:UIControlStateNormal];
294         [optionButton setBackgroundImage:[UIImage imageNamed:@"btn_option_highlighted"] forState:UIControlStateHighlighted];
295        
296         [optionButton setTitle:question.options[i] forState:UIControlStateNormal];
297        
298         [optionButton addTarget:self action:@selector(onOptionClicked:) forControlEvents:UIControlEventTouchUpInside];
299        
300         [self.optionsView addSubview:optionButton];
301     }
302    
303     [self.view addSubview:self.optionsView];
304 }
305 
306 // 使點擊到的選項消失 
307 - (void) onOptionClicked:(UIButton *) optionButton {
308     // 1.如果答案尚未填滿，使選中的選項消失
309     if (self.isAnswerCompleted) {
310         return;
311     }
312    
313     optionButton.hidden = YES;
314    
315     // 2.使消失的文字出現在答案區上，判斷是否已經完成
316     NSString *optionTitle = [optionButton titleForState:UIControlStateNormal];
317    
318     // 遍歷答案按鈕
319     for (int i=0; i<self.answerView.subviews.count; i++) {
320         // 已經遍歷到了最后一個答案按鈕，證明已經完成了所有答案
321         if (i == self.answerView.subviews.count - 1) {
322             self.isAnswerCompleted = YES;
323         }
324        
325         UIButton *answerButton = self.answerView.subviews[i];
326         NSString *answerTitle = [answerButton titleForState:UIControlStateNormal];
327        
328         // 如果該答案按鈕上沒有文字，則是空，填入文字
329         if (answerTitle.length == 0) {
330             // 按鈕默認的字體顏色是白色， 手動設為黑色
331             [answerButton setTitleColor:[UIColor blackColor] forState:UIControlStateNormal];
332             [answerButton setTitle:optionTitle forState:UIControlStateNormal];
333            
334             break;
335         }
336     }
337    
338     [self dealWithAnswer];
339 }
340 
341 /** 處理答案 */
342 - (void) dealWithAnswer {
343     if (self.isAnswerCompleted) {
344         Question *question = self.questions[self.index];
345         NSMutableString *answerStr = [NSMutableString string];
346        
347         // 拼接已經完成的答案
348         for (UIButton *completedAnswerButton in self.answerView.subviews) {
349             [answerStr appendString:[completedAnswerButton titleForState:UIControlStateNormal]];
350         }
351        
352         // 如果答對了
353         if ([answerStr isEqualToString:question.answer]) {
354             // 答案字體轉換稱為藍色
355             for (UIButton *correctAnswerButton in self.answerView.subviews) {
356                 [correctAnswerButton setTitleColor:[UIColor blueColor] forState:UIControlStateNormal];
357             }
358            
359             // 延遲指定時間后跳入下一題
360             [self performSelector:@selector(onNextImgButtonClicked) withObject:nil afterDelay:0.5];
361            
362             // 加分
363             [self calScore:1000];
364         }
365         else {
366             for (UIButton *correctAnswerButton in self.answerView.subviews) {
367                 // 答案字體轉換稱為紅色
368                 [correctAnswerButton setTitleColor:[UIColor redColor] forState:UIControlStateNormal];
369             }
370         }
371     }
372 }
373 
374 /** 原圖狀態點擊放大，大圖狀態點擊恢復原狀 */
375 - (IBAction)onImageClicked {
376     // 使用遮蓋是否存在判斷圖片狀態
377    
378     // 1.遮蓋不存在，放大圖片
379     if (nil == self.cover) {
380         [self onEnlargeImgButtonClicked];
381     }
382     else {
383     // 2.遮蓋存在，恢復圖片
384         [self smallImg];
385     }
386 }
387 
388 /** 計算分數 */
389 - (void) calScore:(int) score {
390     self.score += score;
391     [self.scoreButton setTitle:[NSString stringWithFormat:@"%d", self.score] forState:UIControlStateNormal];
392 }
393 
394 @end

 1 //
 2 //  Question.h
 3 //  CrazyGuessGame
 4 //
 5 //  Created by hellovoidworld on 14/11/26.
 6 //  Copyright (c) 2014年 hellovoidworld. All rights reserved.
 7 //
 8 
 9 #import <Foundation/Foundation.h>
10 
11 @interface Question : NSObject
12 
13 @property(nonatomic, copy) NSString *answer;
14 @property(nonatomic, copy) NSString *title;
15 @property(nonatomic, copy) NSString *icon;
16 @property(nonatomic, strong) NSArray *options;
17 
18 - (instancetype) initWithDictionary:(NSDictionary *) dictionary;
19 + (instancetype) initWithDictionary:(NSDictionary *) dictionary;
20 
21 @end

 1 //
 2 //  Question.m
 3 //  CrazyGuessGame
 4 //
 5 //  Created by hellovoidworld on 14/11/26.
 6 //  Copyright (c) 2014年 hellovoidworld. All rights reserved.
 7 //
 8 
 9 #import "Question.h"
10 
11 @implementation Question
12 
13 - (instancetype) initWithDictionary:(NSDictionary *) dictionary {
14     if (self = [super init]) {
15         self.title = dictionary[@"title"];
16         self.icon = dictionary[@"icon"];
17         self.answer = dictionary[@"answer"];
18         self.options = dictionary[@"options"];
19     }
20    
21     return self;
22 }
23 
24 + (instancetype) initWithDictionary:(NSDictionary *) dictionary {
25     return [[self alloc] initWithDictionary:dictionary];
26 }
27 
28 @end