如何在android中播放youtube视频?
我正在使用以下类播放YouTube视频:如何在android中播放youtube视频?,android,video,streaming,youtube,Android,Video,Streaming,Youtube,我正在使用以下类播放YouTube视频: 它会加载视频,但一段时间后出现错误“抱歉,无法播放此视频” 而在日志中给出的错误如下所示 -> http://www.youtube.com/get_video?video_id=jRB8dQ5kiLg&t=vjVQa1PpcFPMdWwPOC2JchyOxvrnNsRs1UyVc7gGd5I%3D&fmt=18 -> ERROR/HTTPDataSource(34): HTTP request failed w/ http
它会加载视频,但一段时间后出现错误“抱歉,无法播放此视频” 而在日志中给出的错误如下所示
-> http://www.youtube.com/get_video?video_id=jRB8dQ5kiLg&t=vjVQa1PpcFPMdWwPOC2JchyOxvrnNsRs1UyVc7gGd5I%3D&fmt=18
-> ERROR/HTTPDataSource(34): HTTP request failed w/ http status 404
-> INFO/AwesomePlayer(34): mConnectingDataSource->connect() returned -1004
-> ERROR/MediaPlayer(541): error (1, -1004)
我不明白我的错误在哪里。有人能帮我吗?
HTTP请求失败w/HTTP状态404
是一个页面未找到错误,因此我建议URL是错误的。我尝试了错误中的链接,但它是一个空白页。使用嵌入链接,我可以播放youtube视频
Intent i = new Intent(Intent.ACTION_VIEW, Uri.parse("http://www.youtube.com/embed/"+sn+"?autoplay=1"));
startActivityForResult(i, 0);
试着这样做:
public class MainActivity extends Activity {
VideoView mVideoView;
ProgressBar mProgressBar;
ProgressDialog mProgressDialog;
String url, videoUrl;
Uri rstlUrl;
String[] urlRstp;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
mVideoView=(VideoView)findViewById(R.id.videoView);
mProgressBar=(ProgressBar)findViewById(R.id.progressBarV);
videoUrl=getIntent().getExtras().getString("urla");
//from other activity here... videoUrl is sth like : http://www.youtube.com/watch?v=ER9vmhxFucg
new MyTask().execute();
}
public class MyTask extends AsyncTask<Void, Void, Void>
{
@Override
protected void onPreExecute() {
super.onPreExecute();
mProgressBar.setVisibility(LinearLayout.VISIBLE);
}
@Override
protected Void doInBackground(Void... params) {
url=getUrlVideoRTSP(videoUrl);
rstlUrl=Uri.parse(url);
return null;
}
@Override
protected void onPostExecute(Void result) {
super.onPostExecute(result);
mVideoView.setVideoURI(rstlUrl);
MediaController mc = new MediaController(VODVideoPlayActivity.this);
mVideoView.setMediaController(mc);
mVideoView.requestFocus();
mVideoView.start();
mc.show();
mProgressBar.setVisibility(LinearLayout.GONE);
}
}
public static String getUrlVideoRTSP(String urlYoutube)
{
try
{
String gdy = "http://gdata.youtube.com/feeds/api/videos/";
DocumentBuilder documentBuilder = DocumentBuilderFactory.newInstance().newDocumentBuilder();
String id = extractYoutubeId(urlYoutube);
URL url = new URL(gdy + id);
HttpURLConnection connection = (HttpURLConnection) url.openConnection();
Document doc = documentBuilder.parse(connection.getInputStream());
Element el = doc.getDocumentElement();
NodeList list = el.getElementsByTagName("media:content");///media:content
String cursor = urlYoutube;
for (int i = 0; i < list.getLength(); i++)
{
Node node = list.item(i);
if (node != null)
{
NamedNodeMap nodeMap = node.getAttributes();
HashMap<String, String> maps = new HashMap<String, String>();
for (int j = 0; j < nodeMap.getLength(); j++)
{
Attr att = (Attr) nodeMap.item(j);
maps.put(att.getName(), att.getValue());
}
if (maps.containsKey("yt:format"))
{
String f = maps.get("yt:format");
if (maps.containsKey("url"))
{
cursor = maps.get("url");
}
if (f.equals("1"))
return cursor;
}
}
}
return cursor;
}
catch (Exception ex)
{
Log.e("Get Url Video RTSP Exception======>>", ex.toString());
}
return urlYoutube;
}
protected static String extractYoutubeId(String url) throws MalformedURLException
{
String id = null;
try
{
String query = new URL(url).getQuery();
if (query != null)
{
String[] param = query.split("&");
for (String row : param)
{
String[] param1 = row.split("=");
if (param1[0].equals("v"))
{
id = param1[1];
}
}
}
else
{
if (url.contains("embed"))
{
id = url.substring(url.lastIndexOf("/") + 1);
}
}
}
catch (Exception ex)
{
Log.e("Exception", ex.toString());
}
return id;
}
公共类MainActivity扩展活动{
视频视图;
ProgressBar-mProgressBar;
进程对话框;
字符串url,视频url;
urirstlurl;
字符串[]urlRstp;
@凌驾
创建时受保护的void(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
mVideoView=(VideoView)findviewbyd(R.id.VideoView);
mProgressBar=(ProgressBar)findViewById(R.id.progressBarV);
videoUrl=getIntent().getExtras().getString(“urla”);
//这里的其他活动…videoUrl类似于:http://www.youtube.com/watch?v=ER9vmhxFucg
新建MyTask().execute();
}
公共类MyTask扩展了AsyncTask
{
@凌驾
受保护的void onPreExecute(){
super.onPreExecute();
mProgressBar.setVisibility(LinearLayout.VISIBLE);
}
@凌驾
受保护的Void doInBackground(Void…参数){
url=getUrlVideoRTSP(videoUrl);
rstlUrl=Uri.parse(url);
返回null;
}
@凌驾
受保护的void onPostExecute(void结果){
super.onPostExecute(结果);
mVideoView.setVideoURI(rstlUrl);
MediaController mc=新的MediaController(VODVideoPlayActivity.this);
mVideoView.setMediaController(mc);
mVideoView.requestFocus();
mVideoView.start();
mc.show();
mProgressBar.setVisibility(LinearLayout.GONE);
}
}
公共静态字符串getUrlVideoRTSP(字符串urlYoutube)
{
尝试
{
字符串gdy=”http://gdata.youtube.com/feeds/api/videos/";
DocumentBuilder DocumentBuilder=DocumentBuilderFactory.newInstance().newDocumentBuilder();
String id=extractYoutubeId(urlYoutube);
URL=新URL(gdy+id);
HttpURLConnection connection=(HttpURLConnection)url.openConnection();
Document doc=documentBuilder.parse(connection.getInputStream());
Element el=doc.getDocumentElement();
NodeList list=el.getElementsByTagName(“媒体:内容”);///媒体:内容
字符串游标=urlYoutube;
对于(int i=0;i>”,例如toString();
}
返回YouTube;
}
受保护的静态字符串extractYoutubeId(字符串url)引发格式错误的异常
{
字符串id=null;
尝试
{
字符串查询=新URL(URL).getQuery();
if(查询!=null)
{
String[]param=query.split(&);
for(字符串行:param)
{
字符串[]param1=行。拆分(“”);
if(param1[0]。等于(“v”))
{
id=param1[1];
}
}
}
其他的
{
if(url.contains(“嵌入”))
{
id=url.substring(url.lastIndexOf(“/”)+1);
}
}
}
捕获(例外情况除外)
{
Log.e(“异常”,例如toString());
}
返回id;
}
为什么不直接使用:startActivity(newintent(Intent.ACTION\u视图,Uri.parse()));而不是第三方代码?好主意@TofferJ,但我假设正在使用库以便在应用程序中播放视频,而不是在单独的YouTube应用程序中播放。您确定YouTube URL正确吗?HTTP 404错误意味着找不到URL--“找不到页面”错误。这就是我尝试该URL时得到的结果。可能库生成的URL不再是YouTube使用的API?我会检查YouTube API文档以确保正确生成URL。我在该库中遇到了相同的问题。感谢您的重播。我尝试了下面的链接,但这对我不起作用。给出了错误抱歉,此视频无法播放……。如果您发现我的答案正确或有用,请接受或投票。
public class MainActivity extends Activity {
VideoView mVideoView;
ProgressBar mProgressBar;
ProgressDialog mProgressDialog;
String url, videoUrl;
Uri rstlUrl;
String[] urlRstp;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
mVideoView=(VideoView)findViewById(R.id.videoView);
mProgressBar=(ProgressBar)findViewById(R.id.progressBarV);
videoUrl=getIntent().getExtras().getString("urla");
//from other activity here... videoUrl is sth like : http://www.youtube.com/watch?v=ER9vmhxFucg
new MyTask().execute();
}
public class MyTask extends AsyncTask<Void, Void, Void>
{
@Override
protected void onPreExecute() {
super.onPreExecute();
mProgressBar.setVisibility(LinearLayout.VISIBLE);
}
@Override
protected Void doInBackground(Void... params) {
url=getUrlVideoRTSP(videoUrl);
rstlUrl=Uri.parse(url);
return null;
}
@Override
protected void onPostExecute(Void result) {
super.onPostExecute(result);
mVideoView.setVideoURI(rstlUrl);
MediaController mc = new MediaController(VODVideoPlayActivity.this);
mVideoView.setMediaController(mc);
mVideoView.requestFocus();
mVideoView.start();
mc.show();
mProgressBar.setVisibility(LinearLayout.GONE);
}
}
public static String getUrlVideoRTSP(String urlYoutube)
{
try
{
String gdy = "http://gdata.youtube.com/feeds/api/videos/";
DocumentBuilder documentBuilder = DocumentBuilderFactory.newInstance().newDocumentBuilder();
String id = extractYoutubeId(urlYoutube);
URL url = new URL(gdy + id);
HttpURLConnection connection = (HttpURLConnection) url.openConnection();
Document doc = documentBuilder.parse(connection.getInputStream());
Element el = doc.getDocumentElement();
NodeList list = el.getElementsByTagName("media:content");///media:content
String cursor = urlYoutube;
for (int i = 0; i < list.getLength(); i++)
{
Node node = list.item(i);
if (node != null)
{
NamedNodeMap nodeMap = node.getAttributes();
HashMap<String, String> maps = new HashMap<String, String>();
for (int j = 0; j < nodeMap.getLength(); j++)
{
Attr att = (Attr) nodeMap.item(j);
maps.put(att.getName(), att.getValue());
}
if (maps.containsKey("yt:format"))
{
String f = maps.get("yt:format");
if (maps.containsKey("url"))
{
cursor = maps.get("url");
}
if (f.equals("1"))
return cursor;
}
}
}
return cursor;
}
catch (Exception ex)
{
Log.e("Get Url Video RTSP Exception======>>", ex.toString());
}
return urlYoutube;
}
protected static String extractYoutubeId(String url) throws MalformedURLException
{
String id = null;
try
{
String query = new URL(url).getQuery();
if (query != null)
{
String[] param = query.split("&");
for (String row : param)
{
String[] param1 = row.split("=");
if (param1[0].equals("v"))
{
id = param1[1];
}
}
}
else
{
if (url.contains("embed"))
{
id = url.substring(url.lastIndexOf("/") + 1);
}
}
}
catch (Exception ex)
{
Log.e("Exception", ex.toString());
}
return id;
}