iOS 音視頻開發之mp3播放功能開發教程，ios音視頻

iOS 音視頻開發之mp3播放功能開發教程，ios音視頻
1.建立播放控制項

2.代碼

#import "ViewController.h"#import @interface ViewController ()@property (nonatomic, strong) AVAudioPlayer *audioPlayer;@end@implementation ViewController- (void)viewDidLoad {    [super viewDidLoad];    //在AppDelegate - application: didFinishLaunchingWithOptions:必須設定,否則真機測試沒有聲音//    [[AVAudioSession sharedInstance] setCategory:AVAudioSessionCategoryPlayback error:nil];    // 1.載入本地的音樂檔案    NSURL *url = [[NSBundle mainBundle] URLForResource:@"西遊記.mp3" withExtension:nil];    // 2. 建立音樂播放對象    self.audioPlayer = [[AVAudioPlayer alloc] initWithContentsOfURL:url error:nil];    // 3.準備播放 (音樂播放的記憶體空間的開闢等功能)  不寫這行代碼直接播放也會預設調用prepareToPlay    [self.audioPlayer prepareToPlay];}// 播放- (IBAction)playMusic{    [self.audioPlayer play];}// 暫停- (IBAction)pause{    [self.audioPlayer pause];}// 停止- (IBAction)stop{    // 停止的效果和暫停是相同    [self.audioPlayer stop];}@end