【代碼筆記】iOS-播放從網路上下載的語音

代碼：

ViewController.m

#import "ViewController.h"
//錄音
#import <AVFoundation/AVFoundation.h>

@interface ViewController ()
{
    //播放器
    AVAudioPlayer *player;
}

@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    // Do any additional setup after loading the view, typically from a nib.
}
//點擊任何處的時候，播放聲音
-(void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event
{
    //https://wifamily.blob.core.chinacloudapi.cn/wom/2015090211559116.mp3
    
    
    //播放的時候聲音小
    AVAudioSession *audioSession = [AVAudioSession sharedInstance];
    NSError *err = nil;
    [audioSession setCategory :AVAudioSessionCategoryPlayback error:&err];
    
    
    NSString *voiceUrl=@"https://wifamily.blob.core.chinacloudapi.cn/wom/2015090211559116.mp3";
    NSLog(@"---voiceUrl--%@",voiceUrl);
    NSURL *url = [[NSURL alloc]initWithString:voiceUrl];
    NSData * audioData = [NSData dataWithContentsOfURL:url];
    
    
    //將數據保存到本地指定位置
    NSString *docDirPath = [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) objectAtIndex:0];
    NSString *filePath = [NSString stringWithFormat:@"%@/%@.mp3", docDirPath , @"temp"];
    [audioData writeToFile:filePath atomically:YES];
    
    //播放本地音樂
    NSError *playerError;
    NSURL *fileURL = [NSURL fileURLWithPath:filePath];
    player = [[AVAudioPlayer alloc] initWithContentsOfURL:fileURL error:&playerError];
    if (player == nil)
    {
        NSLog(@"--play--error---%@", [playerError description]);
    }else{
        [player play];
    }
    

}
- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}

@end