播放网络视频（可用）

//
	// ThirdViewController.m
	// WMVideoPlayer
	//
	// Created by 郑文明 on 15/12/14.
	// Copyright �0�8 2015年 郑文明. All rights reserved.
	//
	#import "ThirdViewController.h"
	#import <MediaPlayer/MediaPlayer.h>
	#import "AppDelegate.h"
	@interface ThirdViewController ()
	{
	MPMoviePlayerViewController *moviePlayer;
	}
	@end
	@implementation ThirdViewController
	-(NSUInteger)supportedInterfaceOrientations{
	return UIInterfaceOrientationMaskPortrait;
	}
	- (BOOL)shouldAutorotate
	{
	return YES;
	}
	-(UIInterfaceOrientation)preferredInterfaceOrientationForPresentation
	{
	return UIInterfaceOrientationPortrait;
	}
	-(void)initBtns{
	UIButton *playBtnOne = [UIButton buttonWithType:UIButtonTypeCustom];
	playBtnOne.frame = CGRectMake(self.view.frame.size.width/2-300/2, 100, 300, 50);
	playBtnOne.backgroundColor = [UIColor blackColor];
	[playBtnOne setTitle:@"MPMoviePlayerViewController" forState:UIControlStateNormal];
	[playBtnOne addTarget:self action:@selector(playOne:) forControlEvents:UIControlEventTouchUpInside];
	[self.view addSubview:playBtnOne];
	}
	#pragma mark
	#pragma mark viewDidLoad
	- (void)viewDidLoad {
	[super viewDidLoad];
	self.view.backgroundColor = [UIColor whiteColor];
	[self initBtns];
	}
	-(void)playOne:(UIButton *)sender{
	moviePlayer =[[MPMoviePlayerViewController alloc] initWithContentURL:[NSURL URLWithString:@"http://static.tripbe.com/videofiles/20121214/9533522808.f4v.mp4"]];
	// moviePlayer =[[MPMoviePlayerViewController alloc] initWithContentURL:[NSURL URLWithString:@"http://v.youku.com/player/getM3U8/vid/(ID)/type/mp4/v.m3u8"]];
	// moviePlayer =[[MPMoviePlayerViewController alloc] initWithContentURL:[NSURL URLWithString:@"http://player.56.com/v_NjUwNDUwODI.swf"]];
	[moviePlayer.moviePlayer prepareToPlay];
	[self presentMoviePlayerViewControllerAnimated:moviePlayer]; // 这里是presentMoviePlayerViewControllerAnimated
	[moviePlayer.moviePlayer setControlStyle:MPMovieControlStyleFullscreen];
	[moviePlayer.view setBackgroundColor:[UIColor clearColor]];
	[moviePlayer.moviePlayer setFullscreen:YES animated:YES];
	[moviePlayer.view setFrame:self.view.bounds];
	[[NSNotificationCenter defaultCenter] addObserver:self
	selector:@selector(movieFinishedCallback:)
	name:MPMoviePlayerPlaybackDidFinishNotification
	object:moviePlayer.moviePlayer];
	UIWindow *window = [[UIApplication sharedApplication] keyWindow];
	UIView *view = [window.subviews objectAtIndex:0];
	[view removeFromSuperview];
	[window addSubview:view];
	[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(moviePlayerWillEnterFullscreenNotification:)
	name:MPMoviePlayerWillEnterFullscreenNotification
	object:moviePlayer];
	[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(moviePlayerWillExitFullscreenNotification:)
	name:MPMoviePlayerWillExitFullscreenNotification object:moviePlayer];
	}
	- (void)moviePlayerWillEnterFullscreenNotification:(NSNotification*)notify
	{
	NSLog(@"moviePlayerWillEnterFullscreenNotification");
	}
	- (void)moviePlayerWillExitFullscreenNotification:(NSNotification*)notify{
	// [moviePlayer.moviePlayer play];
	NSLog(@"moviePlayerWillExitFullscreenNotification");
	}
	-(void)movieStateChangeCallback:(NSNotification*)notify {
	NSLog(@"movieStateChangeCallback = %@",notify.object);
	//点击播放器中的播放/ 暂停按钮响应的通知
	}
	-(void)movieFinishedCallback:(NSNotification*)notify{
	// 视频播放完或者在presentMoviePlayerViewControllerAnimated下的Done按钮被点击响应的通知。
	MPMoviePlayerController* theMovie = [notify object];
	[[NSNotificationCenter defaultCenter] removeObserver:self
	name:MPMoviePlayerPlaybackDidFinishNotification
	object:theMovie];
	[self dismissMoviePlayerViewControllerAnimated];
	[theMovie.view removeFromSuperview];
	}
	#pragma mark
	#pragma mark dealloc
	-(void)dealloc{
	[[NSNotificationCenter defaultCenter] removeObserver:self];
	}
	- (void)didReceiveMemoryWarning {
	[super didReceiveMemoryWarning];
	}
	@end