[Code notes] iOS-mp3 playback, Code notes ios-mp3

[Code notes] iOS-mp3 playback, Code notes ios-mp3

1. Engineering Drawing.

Ii. Code.

RootViewController. h

#import <UIKit / UIKit.h>
// Add AVFoundation.framework header file
#import <AVFoundation / AVFoundation.h>

@interface RootViewController: UIViewController
<AVAudioPlayerDelegate>
{
    // Player player
    AVAudioPlayer * avAudioPlayer;
}

@end
 

RootViewController.m

#import "RootViewController.h"

// Import AVFoundation.framework
#import <AVFoundation / AVFoundation.h>



@interface RootViewController ()

@end

@implementation RootViewController

-(id) initWithNibName: (NSString *) nibNameOrNil bundle: (NSBundle *) nibBundleOrNil
{
    self = [super initWithNibName: nibNameOrNil bundle: nibBundleOrNil];
    if (self) {
        // Custom initialization
    }
    return self;
}

-(void) viewDidLoad
{
    [super viewDidLoad];
    // Do any additional setup after loading the view.
    
    self.title = @ "MP3 player";
}

-(void) initPlay
{
    // Read audio files from the budle path
    NSString * string = [[NSBundle mainBundle] pathForResource: @ "妈妈" ofType: @ "mp3"];
    
    // Convert audio files to url format
    NSURL * url = [NSURL fileURLWithPath: string];
    
    // Initialize audio class and add play file
    avAudioPlayer = [[AVAudioPlayer alloc] initWithContentsOfURL: url error: nil];
    
    // Start playing
    [avAudioPlayer play];
   
   
}