iOS大典之MPMoviePlayerController

#import "ViewController.h"
#import <MediaPlayer/MediaPlayer.h>

@interface ViewController ()
@property (nonatomic, strong) MPMoviePlayerController *moviePlayer;

@end

@implementation ViewController

- (void)viewDidLoad {
[super viewDidLoad];

//播放
[self.moviePlayer play];

//添加通知
[self addNotification];

}
-(void)dealloc{
//移除所有通知监控
[[NSNotificationCenter defaultCenter] removeObserver:self];
}

// 获取网络路径
-(NSURL *)getNetworkUrl{
NSString *urlStr=@"http://7xjwjg.media1.z0.glb.clouddn.com/goal/0828/222.mp4";
urlStr=[urlStr stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
NSURL *url=[NSURL URLWithString:urlStr];
return url;
}

// 创建媒体播放器
-(MPMoviePlayerController *)moviePlayer{
if (!_moviePlayer) {
NSURL *url=[self getNetworkUrl];
_moviePlayer=[[MPMoviePlayerController alloc]initWithContentURL:url];
_moviePlayer.view.frame=self.view.bounds;
_moviePlayer.view.autoresizingMask=UIViewAutoresizingFlexibleWidth|UIViewAutoresizingFlexibleHeight;
[self.view addSubview:_moviePlayer.view];
}
return _moviePlayer;
}

// 添加通知监控
-(void)addNotification{
NSNotificationCenter *notificationCenter=[NSNotificationCenter defaultCenter];
[notificationCenter addObserver:self selector:@selector(mediaPlayerPlaybackStateChange:) name:MPMoviePlayerPlaybackStateDidChangeNotification object:self.moviePlayer];
[notificationCenter addObserver:self selector:@selector(mediaPlayerPlaybackFinished:) name:MPMoviePlayerPlaybackDidFinishNotification object:self.moviePlayer];

}
-(void)mediaPlayerPlaybackStateChange:(NSNotification *)notification{
switch (self.moviePlayer.playbackState) {
case MPMoviePlaybackStatePlaying:
NSLog(@"正在播放...");
break;
case MPMoviePlaybackStatePaused:
NSLog(@"暂停播放.");
break;
case MPMoviePlaybackStateStopped:
NSLog(@"停止播放.");
break;
default:
NSLog(@"播放状态:%li",self.moviePlayer.playbackState);
break;
}
}
-(void)mediaPlayerPlaybackFinished:(NSNotification *)notification{
NSLog(@"播放完成.%li",self.moviePlayer.playbackState);
}

@end