[iOS基础控件 - 4.5] 猜图游戏

 1 // 设置状态栏是否隐藏
 2 - (BOOL)prefersStatusBarHidden {
 3     return NO;
 4 }
 5  
 6 // 设置状态栏
 7 - (UIStatusBarStyle)preferredStatusBarStyle {
 8     // 设置状态栏字体为白色
 9     return UIStatusBarStyleLightContent;
10 }

1     // 5.1 删除全部旧答案的button
2     [self.answerView.subviews makeObjectsPerformSelector:@selector(removeFromSuperview)];

1     // 6.1 删除旧选项
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; // 序号
 15 @property (weak, nonatomic) IBOutlet UILabel *titleLabel; // 标题
 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 /** 所有题目 */
 29 @property(nonatomic, strong) NSArray *questions;
 30 
 31 /** 当前题目序号 */
 32 @property(nonatomic, assign) int index;
 33 
 34 /** 遮盖阴影 */
 35 @property(nonatomic, weak) UIButton *cover;
 36 
 37 /** 原始图片位置、尺寸 */
 38 @property(nonatomic, assign) CGRect imageOriginalFrame;
 39 
 40 /** 答案是否已经填满标识 */
 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     //存储原始图片的位置、尺寸信息
 55     self.imageOriginalFrame = self.icon.frame;
 56    
 57     self.index = -1;
 58     [self onNextImgButtonClicked]; // 初次加载，index是0
 59 }
 60 
 61 - (void)didReceiveMemoryWarning {
 62     [super didReceiveMemoryWarning];
 63     // Dispose of any resources that can be recreated.
 64 }
 65 
 66 // 改写getter, 延迟加载，此处不要使用self.questions来取得questions，否则陷入死循环
 67 - (NSArray *)questions {
 68     if (nil == _questions) {
 69         // 1.加载plist数据
 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.将数据封装到Model "Question"
 75             Question *question = [Question initWithDictionary:questionDict];
 76             [questionsArray addObject:question];
 77         }
 78 
 79         // 3.赋值
 80         _questions = questionsArray;
 81     }
 82    
 83     return _questions;
 84 }
 85 
 86 // 设置状态栏是否隐藏
 87 - (BOOL)prefersStatusBarHidden {
 88     return NO;
 89 }
 90 
 91 
 92 // 设置状态栏
 93 - (UIStatusBarStyle)preferredStatusBarStyle {
 94     // 设置状态栏字体为白色
 95     return UIStatusBarStyleLightContent;
 96 }
 97 
 98 
 99 // 点击“提示”按钮
100 - (IBAction)onTipsButtonClicked {
101     // 1.清除现有的答案
102     for (UIButton *currentAnswerButton in self.answerView.subviews) {
103         [self onAnswerClicked:currentAnswerButton];
104     }
105    
106     // 2.取出正确答案片段
107     Question *question = self.questions[self.index];
108     NSString *partOfCorrectAnswer = [question.answer substringToIndex:1];
109    
110     // 3.填充到答案区
111     for (UIButton *optionButton in self.optionsView.subviews) {
112         if ([partOfCorrectAnswer isEqualToString:optionButton.currentTitle]) {
113             [self onOptionClicked:optionButton];
114         }
115     }
116    
117     // 5.扣取相应分数
118     [self calScore:-500];
119 }
120 
121 // 点击“帮助”按钮
122 - (IBAction)onHelpButtonClicked {
123 }
124 
125 // 点击“大图”按钮
126 - (IBAction)onEnlargeImgButtonClicked {
127     // 1.1添加阴影
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给阴影添加变回小图的触发事件
134     [cover addTarget:self action:@selector(smallImg) forControlEvents:UIControlEventTouchUpInside];
135    
136     self.cover = cover;
137     [self.view addSubview:cover];
138    
139     // 2.更换阴影和图片的位置
140     [self.view bringSubviewToFront:self.icon];
141    
142     // 3.更改图像大小，显示阴影
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 /** 缩小图片 */
155 - (void) smallImg {
156     [UIView animateWithDuration:1 animations:^{
157         // 1.删除阴影
158         self.cover.alpha = 0;
159        
160         // 2.恢复图片
161         self.icon.frame = self.imageOriginalFrame;
162        
163     } completion:^(BOOL finished) {
164         // 动画执行完成后
165        
166         [self.cover removeFromSuperview];
167         self.cover = nil;
168     }];
169    
170 }
171 
172 // 点击“下一题”按钮
173 - (IBAction)onNextImgButtonClicked {
174     self.index++;
175    
176     // 1.取出相应地Model数据
177     Question *question = self.questions[self.index];
178 
179     // 2.设置控件
180     [self setControls:question];
181    
182     // 3.设置答案
183     [self addAnswer:question];
184    
185     // 4.设置选项
186     [self addOptions:question];
187    
188 
189 }
190 
191 /** 设置控件 */
192 - (void) setControls:(Question *) question {
193     // 1.答案是否已经填满
194     self.isAnswerCompleted = NO;
195    
196     // 2.得分
197     [self.scoreButton setTitle:[NSString stringWithFormat:@"%d", self.score] forState:UIControlStateNormal];
198    
199     // 2.设置序号
200     self.noLabel.text = [NSString stringWithFormat:@"%d/%d", self.index + 1, self.questions.count];
201    
202     // 3.设置标题
203     self.titleLabel.text = question.title;
204    
205     // 4.设置图片
206     [self.icon setImage:[UIImage imageNamed:question.icon] forState:UIControlStateNormal];
207    
208     // 5.设置“下一题”按钮
209     self.nextImageButton.enabled = (self.index + 1) != self.questions.count;
210 }
211 
212 /** 加入答案区 */
213 - (void) addAnswer:(Question *) question {
214     // 5.1 删除全部旧答案的button
215     [self.answerView.subviews makeObjectsPerformSelector:@selector(removeFromSuperview)];
216    
217     // 5.1 加入新答案
218     int answerCount = question.answer.length; // 答案字数
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         // 计算位置
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         // 设置背景
234         [answerButton setBackgroundImage:[UIImage imageNamed:@"btn_answer"] forState: UIControlStateNormal];
235         [answerButton setBackgroundImage:[UIImage imageNamed:@"btn_answer_highlighted"] forState: UIControlStateHighlighted];
236        
237         // 设置按钮点击事件，让按钮文字消失，相应的选项恢复
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     设置按钮点击事件，让按钮文字消失，相应的选项恢复
248 */
249 - (void) onAnswerClicked:(UIButton *) answerButton {
250     // 1.设置答案标识
251     self.isAnswerCompleted = NO;
252    
253     // 2.恢复相应的选项
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.清除按钮上的文字
264     [answerButton setTitle:nil forState:UIControlStateNormal];
265    
266     // 4.恢复答案文字颜色
267     for (UIButton *answerButton in self.answerView.subviews) {
268         [answerButton setTitleColor:[UIColor blackColor] forState:UIControlStateNormal];
269     }
270 }
271 
272 /** 加入选项区 */
273 - (void) addOptions:(Question *) question {
274     // 6.1 删除旧选项
275     [self.optionsView.subviews makeObjectsPerformSelector:@selector(removeFromSuperview)];
276    
277     // 6.2 加入新选项
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; // 当前行号，从0开始
287         int columnNo = i % columnCount; // 当前列号，从0开始
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 // 使点击到的选项消失 
307 - (void) onOptionClicked:(UIButton *) optionButton {
308     // 1.如果答案尚未填满，使选中的选项消失
309     if (self.isAnswerCompleted) {
310         return;
311     }
312    
313     optionButton.hidden = YES;
314    
315     // 2.使消失的文字出现在答案区上，判断是否已经完成
316     NSString *optionTitle = [optionButton titleForState:UIControlStateNormal];
317    
318     // 遍历答案按钮
319     for (int i=0; i<self.answerView.subviews.count; i++) {
320         // 已经遍历到了最后一个答案按钮，证明已经完成了所有答案
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         // 如果该答案按钮上没有文字，则是空，填入文字
329         if (answerTitle.length == 0) {
330             // 按钮默认的字体颜色是白色， 手动设为黑色
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 /** 处理答案 */
342 - (void) dealWithAnswer {
343     if (self.isAnswerCompleted) {
344         Question *question = self.questions[self.index];
345         NSMutableString *answerStr = [NSMutableString string];
346        
347         // 拼接已经完成的答案
348         for (UIButton *completedAnswerButton in self.answerView.subviews) {
349             [answerStr appendString:[completedAnswerButton titleForState:UIControlStateNormal]];
350         }
351        
352         // 如果答对了
353         if ([answerStr isEqualToString:question.answer]) {
354             // 答案字体转换称为蓝色
355             for (UIButton *correctAnswerButton in self.answerView.subviews) {
356                 [correctAnswerButton setTitleColor:[UIColor blueColor] forState:UIControlStateNormal];
357             }
358            
359             // 延迟指定时间后跳入下一题
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                 // 答案字体转换称为红色
368                 [correctAnswerButton setTitleColor:[UIColor redColor] forState:UIControlStateNormal];
369             }
370         }
371     }
372 }
373 
374 /** 原图状态点击放大，大图状态点击恢复原状 */
375 - (IBAction)onImageClicked {
376     // 使用遮盖是否存在判断图片状态
377    
378     // 1.遮盖不存在，放大图片
379     if (nil == self.cover) {
380         [self onEnlargeImgButtonClicked];
381     }
382     else {
383     // 2.遮盖存在，恢复图片
384         [self smallImg];
385     }
386 }
387 
388 /** 计算分数 */
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