day8-day10 lesson1一个简单的猜数字游戏

这是http://www.raywenderlich.com/store/ios-apprentice上的免费ios开发教程，原版已经更新到swift。我参阅的是https://github.com/eseedo/kidscoding上王寒老师的翻阅版本，是objectiv-c也是较早前的版本。这个系列的教程开发难度非常低，可以对app开发有个总体上的认识，快速上手。

以下是code方便将来翻阅：

////  ViewController.h//  CrazyDrag////  Created by fengsser on 15/6/20.//  Copyright (c) 2015年 fengsser. All rights reserved.//#import <UIKit/UIKit.h>@interface ViewController : UIViewController<UIAlertViewDelegate>@end

////  ViewController.m//  CrazyDrag////  Created by fengsser on 15/6/20.//  Copyright (c) 2015年 fengsser. All rights reserved.//#import "ViewController.h"#import "AboutViewController.h"#import <AVFoundation/AVFoundation.h>@interface ViewController (){    int currentValue;    int targetValue;    int score;    int round;}- (IBAction)sliderMoved:(id)sender;- (IBAction)showAlert:(id)sender;- (IBAction)startOver:(id)sender;- (IBAction)showInfo:(id)sender;@property (strong, nonatomic) IBOutlet UISlider *slider;@property (strong, nonatomic) IBOutlet UILabel *targetLabel;@property (strong, nonatomic) IBOutlet UILabel *scoreLabel;@property (strong, nonatomic) IBOutlet UILabel *roundLabel;@property(nonatomic,strong)AVAudioPlayer *audioPlayer;-(void)alertView:(UIAlertView *)alertView didDismissWithButtonIndex:(NSInteger)buttonIndex;@end@implementation ViewController@synthesize slider;@synthesize targetLabel;@synthesize audioPlayer;- (void)viewDidLoad {    [super viewDidLoad];        UIImage *thumbImageNormal = [UIImage imageNamed:@"SliderThumb-Normal"];    [self.slider setThumbImage:thumbImageNormal forState:UIControlStateNormal];        UIImage *thumbImageHighlighted = [UIImage imageNamed:@"SliderThumb- Highlighted"];    [self.slider setThumbImage:thumbImageHighlighted forState:UIControlStateHighlighted];    UIImage *trackLeftImage = [[UIImage imageNamed:@"SliderTrackLeft"] stretchableImageWithLeftCapWidth:14 topCapHeight:0];    [self.slider setMinimumTrackImage:trackLeftImage forState:UIControlStateNormal];    UIImage *trackRightImage = [[UIImage imageNamed:@"SliderTrackRight"] stretchableImageWithLeftCapWidth:14 topCapHeight:0];    [self.slider setMaximumTrackImage:trackRightImage forState:UIControlStateNormal];        [self startRound];    [self updateLabels];    [self playBackgroundMusic];}-(void)alertView:(UIAlertView *)alertView didDismissWithButtonIndex:(NSInteger)buttonIndex{    [self startRound];    [self updateLabels];}- (void)updateLabels {    self.targetLabel.text = [NSString stringWithFormat:@"%d",targetValue];    self.scoreLabel.text = [NSString stringWithFormat:@"%d",score];    self.roundLabel.text = [NSString stringWithFormat:@"%d",round];}- (void)startRound {    currentValue = 50;    self.slider.value = currentValue;    targetValue = arc4random()%100+1;}- (void)didReceiveMemoryWarning {    [super didReceiveMemoryWarning];    // Dispose of any resources that can be recreated.}- (IBAction)sliderMoved:(UISlider*)sender {    currentValue = (int)lroundf(sender.value);}- (IBAction)showAlert:(id)sender {    int diffent = abs(currentValue - targetValue);    int point = 100 - diffent;    round += 1;       NSString *title;    if(diffent == 0){        title = @"完美达成！";        point += 100;    }    else if(diffent < 10){        title = @"几乎完美！";        point += 50;    }    else{        title = @"差得有点远哟！";    }    score += point;    NSString *message = [NSString stringWithFormat:@"恭喜！您的得分是：%d",point];    [[[UIAlertView alloc]initWithTitle:title message:message delegate:self cancelButtonTitle:@"朕知道了" otherButtonTitles:nil, nil]show];}- (void)startNewGame{    score = 0;    round = 0;    [self startRound];}- (IBAction)startOver:(id)sender {    CATransition *transition = [CATransition animation];    transition.type = kCATransitionFade; transition.duration = 1;    transition.timingFunction = [CAMediaTimingFunction                                 functionWithName:kCAMediaTimingFunctionEaseOut];    [self startNewGame];    [self updateLabels];    [self.view.layer addAnimation:transition forKey:nil];}- (IBAction)showInfo:(id)sender {    AboutViewController *controller = [[AboutViewController alloc]initWithNibName:@"AboutViewController" bundle:nil];    controller.modalTransitionStyle = UIModalTransitionStyleFlipHorizontal;    [self presentViewController:controller animated:YES completion:nil];    }- (void)playBackgroundMusic{    NSString *musicPath = [[NSBundle mainBundle]pathForResource:@"no" ofType:@"mp3"];    NSURL *url = [NSURL fileURLWithPath:musicPath]; NSError *error;    audioPlayer = [[AVAudioPlayer alloc]initWithContentsOfURL:url error:&error];    audioPlayer.numberOfLoops = -1;    if(audioPlayer ==nil){        NSString *errorInfo = [NSString stringWithString:[error description]];        NSLog(@"the error is:%@",errorInfo);    }else{        [audioPlayer play];    }}@end

////  AboutViewController.h//  CrazyDrag////  Created by fengsser on 15/6/22.//  Copyright (c) 2015年 fengsser. All rights reserved.//#import <UIKit/UIKit.h>@interface AboutViewController : UIViewController@end

////  AboutViewController.m//  CrazyDrag////  Created by fengsser on 15/6/22.//  Copyright (c) 2015年 fengsser. All rights reserved.//#import "AboutViewController.h"@interface AboutViewController ()- (IBAction)close:(id)sender;@property (strong, nonatomic) IBOutlet UIWebView *webView;@end@implementation AboutViewController@synthesize webView;- (void)viewDidLoad {    [super viewDidLoad];    NSString *htmlFile =[[NSBundle mainBundle]pathForResource:@"CrazyDrag" ofType:@"html"];    NSData *htmlData = [NSData dataWithContentsOfFile:htmlFile];    NSURL *baseURL = [NSURL fileURLWithPath:[[NSBundle mainBundle]bundlePath]]; [self.webView loadData:htmlData MIMEType:@"text/html" textEncodingName:@"UTF-8" baseURL:baseURL];}- (void)didReceiveMemoryWarning {    [super didReceiveMemoryWarning];    // Dispose of any resources that can be recreated.}/*#pragma mark - Navigation// In a storyboard-based application, you will often want to do a little preparation before navigation- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {    // Get the new view controller using [segue destinationViewController].    // Pass the selected object to the new view controller.}*/- (IBAction)close:(id)sender {    [self.presentingViewController dismissViewControllerAnimated:YES completion:nil];}@end