IOS音频和视频(Audio & Video)
编辑:浏览器知识简介
音频和视频在最新的设备中颇为常见。
将iosAVFoundation.framework和MediaPlayer.framework添加到Xcode项目中,可以让IOS支持音频和视频(Audio & Video)。
实例步骤
1、创建一个简单的View based application
2、选择项目文件、选择目标,然后添加AVFoundation.framework和MediaPlayer.framework
3、在ViewController.xib中添加两个按钮,创建一个用于分别播放音频和视频的动作(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
注意项
需要添加音频和视频文件,以确保获得预期的输出
输出
运行该程序,得到的输出结果如下
当我们点击 play video(播放视频)显示如下:
文章TAG:ios 音频 视频 audio IOS音频和视频 & Video加载全部内容