iOS用MPMoviePlayerViewController 播放MP4视频

1.新建single view工程，导入MediaPlayer库，导入一个视频文件test1.mp4

2.ViewController.h

    #import <UIKit/UIKit.h>  
    #import <MediaPlayer/MediaPlayer.h>  
      
    @interface ViewController : UIViewController {  
        MPMoviePlayerViewController *_playerVC;  
    }  
    @end  

2.ViewController.m

    #import "ViewController.h"  
      
    @implementation ViewController  
      
    - (void)viewDidLoad  
    {  
        [super viewDidLoad];  
          
        NSString *path = [[NSBundle mainBundle] pathForResource:@"test1" ofType:@"mp4"];  
        NSLog(@"%@", path);  
        NSURL *url = [NSURL fileURLWithPath:path];  
        _playerVC = [[MPMoviePlayerViewController alloc] initWithContentURL:url];  
          
        UIButton *button = [UIButton buttonWithType:UIButtonTypeRoundedRect];  
        button.frame = CGRectMake(100, 100, 100, 40);  
        [button addTarget:self action:@selector(play) forControlEvents:UIControlEventTouchUpInside];  
        [self.view addSubview:button];  
    }  
      
    - (void)play  
    {  
        [self presentMoviePlayerViewControllerAnimated:_playerVC];  
        [_playerVC.moviePlayer play];  
    }  
      
    @end  

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