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iOS音频和视频(Audio & Video)

减小字体 增大字体 作者:佚名  来源:网上搜集  发布时间:2019-1-23 13:42:18

由 youj 创建,Alma 最后一次修改 2015-09-10 IOS音频和视频(Audio & Video) 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:

iOS音频和视频(Audio & Video)