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