ios20-播放音频文件

1

//

//  ios20_AudioPlayerAppDelegate.h

//  ios20-AudioPlayer

//

//  Created by  on 13-6-10.

//  Copyright 2013年 __MyCompanyName__. All rights reserved.

//

#import<UIKit/UIKit.h>

@interface ios20_AudioPlayerAppDelegate :UIResponder <UIApplicationDelegate>

@property (strong,nonatomic) UIWindow *window;

@end

//

//  ios20_AudioPlayerAppDelegate.m

//  ios20-AudioPlayer

//

//  Created by  on 13-6-10.

//  Copyright 2013年 __MyCompanyName__. All rights reserved.

//

#import"ios20_AudioPlayerAppDelegate.h"

#import"AudioPlayer.h"

@implementation ios20_AudioPlayerAppDelegate

@synthesize window =_window;

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions

{

   self.window = [[UIWindowalloc] initWithFrame:[[UIScreenmainScreen] bounds]];

   // Override point for customization after application launch.

   AudioPlayer *audio=[[AudioPlayeralloc]init];

   self.window.rootViewController=audio;

    

   self.window.backgroundColor = [UIColorwhiteColor];

    [self.windowmakeKeyAndVisible];

   return YES;

}

- (void)applicationWillResignActive:(UIApplication *)application

{

    /*

     Sent when the application is about to move from active to inactive state. This can occur for certain types of temporary interruptions (such as an incoming phone call or SMS message) or when the user quits the application and it begins the transition to the background state.

     Use this method to pause ongoing tasks, disable timers, and throttle down OpenGL ES frame rates. Games should use this method to pause the game.

     */

}

- (void)applicationDidEnterBackground:(UIApplication *)application

{

    /*

     Use this method to release shared resources, save user data, invalidate timers, and store enough application state information to restore your application to its current state in case it is terminated later. 

     If your application supports background execution, this method is called instead of applicationWillTerminate: when the user quits.

     */

}

- (void)applicationWillEnterForeground:(UIApplication *)application

{

    /*

     Called as part of the transition from the background to the inactive state; here you can undo many of the changes made on entering the background.

     */

}

- (void)applicationDidBecomeActive:(UIApplication *)application

{

    /*

     Restart any tasks that were paused (or not yet started) while the application was inactive. If the application was previously in the background, optionally refresh the user interface.

     */

}

- (void)applicationWillTerminate:(UIApplication *)application

{

    /*

     Called when the application is about to terminate.

     Save data if appropriate.

     See also applicationDidEnterBackground:.

     */

}

@end

2.

//

//  AudioPlayer.h

//  ios20-AudioPlayer

//

//  Created by  on 13-6-10.

//  Copyright 2013年 __MyCompanyName__. All rights reserved.

//

#import<UIKit/UIKit.h>

#import<AVFoundation/AVFoundation.h>

@interface AudioPlayer :UIViewController

{

    AVAudioPlayer *audioPlayer;

}

@property (nonatomic,retain)AVAudioPlayer *audioPlayer;

@end

//

//  AudioPlayer.m

//  ios20-AudioPlayer

//

//  Created by  on 13-6-10.

//  Copyright 2013年 __MyCompanyName__. All rights reserved.

//

#import"AudioPlayer.h"

@implementation AudioPlayer

@synthesize audioPlayer;

- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil

{

    self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];

    if (self) {

       // Custom initialization

    }

   return self;

}

-(void)loadView{

   UIView *view=[[UIViewalloc]initWithFrame:[UIScreenmainScreen].applicationFrame];

    view.backgroundColor=[UIColorpurpleColor];

    self.view=view;

   UIButton *button=[UIButtonbuttonWithType:UIButtonTypeRoundedRect];

    button.frame=CGRectMake(90,100, 100, 40);

    [buttonsetTitle:@"播放音乐" forState:UIControlStateNormal];

    [buttonaddTarget:selfaction:@selector(startPlayer)forControlEvents:UIControlEventTouchUpInside];

    [self.viewaddSubview:button];

   UIButton *button2=[UIButtonbuttonWithType:UIButtonTypeRoundedRect];

    button2.frame=CGRectMake(90,200, 100, 40);

    [button2setTitle:@"停止音乐" forState:UIControlStateNormal];

    [button2addTarget:selfaction:@selector(stopPlayer)forControlEvents:UIControlEventTouchUpInside];

    [self.viewaddSubview:button2];

}

//开始播放音乐的方法

-(void)startPlayer{

   NSURL *audioPath=[[NSURLalloc] initFileURLWithPath:[[NSBundlemainBundle] pathForResource:@"wdgsl"ofType:@"mp3"]];

    NSError *error=nil;

    //播放器的初始化

   audioPlayer=[[AVAudioPlayeralloc]initWithContentsOfURL:audioPatherror:&error];

    if (error!=nil) {

        NSLog(@"播放遇到错误");

        return;

    }

    [audioPlayerplay];

 

}

//停止播放音乐的方法

-(void)stopPlayer{

    [audioPlayerstop];

    

}

- (void)didReceiveMemoryWarning

{

   // Releases the view if it doesn't have a superview.

    [superdidReceiveMemoryWarning];

    

   // Release any cached data, images, etc that aren't in use.

}

#pragma mark - View lifecycle

/*

// Implement loadView to create a view hierarchy programmatically, without using a nib.

- (void)loadView

{

}

*/

/*

// Implement viewDidLoad to do additional setup after loading the view, typically from a nib.

- (void)viewDidLoad

{

    [super viewDidLoad];

}

*/

- (void)viewDidUnload

{

    [superviewDidUnload];

   // Release any retained subviews of the main view.

   // e.g. self.myOutlet = nil;

}

- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation

{

   // Return YES for supported orientations

    return (interfaceOrientation == UIInterfaceOrientationPortrait);

}

@end