iOS development manual Chinese version / IOS音頻和視頻(Audio & Video)

IOS音頻和視頻(Audio & Video)

簡(jiǎn)介

音頻和視頻在最新的設(shè)備中頗為常見。

將iosAVFoundation.framework和MediaPlayer.framework添加到Xcode項(xiàng)目中，可以讓IOS支持音頻和視頻(Audio & Video)。

實(shí)例步驟

1、創(chuàng)建一個(gè)簡(jiǎn)單的View based application

2、選擇項(xiàng)目文件、選擇目標(biāo)，然后添加AVFoundation.framework和MediaPlayer.framework

3、在ViewController.xib中添加兩個(gè)按鈕，創(chuàng)建一個(gè)用于分別播放音頻和視頻的動(dòng)作（action）

4、更新ViewController.h,如下所示

#import <UIKit/UIKit.h>#import <AVFoundation/AVFoundation.h>#import <MediaPlayer/MediaPlayer.h>@interface ViewController : UIViewController{    AVAudioPlayer *audioPlayer;    MPMoviePlayerViewController *moviePlayer;    }-(IBAction)playAudio:(id)sender;-(IBAction)playVideo:(id)sender;@end

5、更新ViewController.m，如下所示

#import "ViewController.h"@interface ViewController ()@end@implementation ViewController- (void)viewDidLoad{    [super viewDidLoad];}- (void)didReceiveMemoryWarning{   [super didReceiveMemoryWarning];   // Dispose of any resources that can be recreated.}-(IBAction)playAudio:(id)sender{   NSString *path = [[NSBundle mainBundle]
   pathForResource:@"audioTest" ofType:@"mp3"];
   audioPlayer = [[AVAudioPlayer alloc]initWithContentsOfURL:   [NSURL fileURLWithPath:path] error:NULL];   [audioPlayer play];}-(IBAction)playVideo:(id)sender{   NSString *path = [[NSBundle mainBundle]pathForResource:   @"videoTest" ofType:@"mov"];
   moviePlayer = [[MPMoviePlayerViewController 
   alloc]initWithContentURL:[NSURL fileURLWithPath:path]];   [self presentModalViewController:moviePlayer animated:NO];}@end