"不能视频播放错误显示" android系统中播放视频后 [英] "can't video play error display" after playing video in android
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问题描述
在我的code,在视频查看器中显示YouTube视频。
我做成功,但视频显示的对话不可不玩的视频的结束
在这里我的code
包com.example.videodemo;进口java.net.HttpURLConnection中;
进口java.net.MalformedURLException;
进口的java.net.URL;
进口的java.util.HashMap;进口javax.xml.parsers.DocumentBuilder中;
进口javax.xml.parsers.DocumentBuilderFactory中;进口org.w3c.dom.Attr中;
进口org.w3c.dom.Document中;
进口org.w3c.dom.Element中;
进口org.w3c.dom.NamedNodeMap中;
进口org.w3c.dom.Node中;
进口org.w3c.dom.NodeList;进口android.app.Activity;
进口android.app.ProgressDialog;
进口android.media.MediaPlayer;
进口android.media.MediaPlayer.OnCompletionListener;
进口android.net.Uri;
进口android.os.AsyncTask;
进口android.os.Bundle;
进口android.util.Log;
进口android.view.View;
进口android.widget.MediaController;
进口android.widget.ProgressBar;
进口android.widget.Toast;
进口android.widget.VideoView;公共类MainActivity延伸活动{ 私人VideoView视频查看;
私人进度mProgressBar;
字符串videoUrl =http://podcast.20min-tv.ch/podcast/20min/199733.mp4; @覆盖
保护无效的onCreate(捆绑savedInstanceState){
super.onCreate(savedInstanceState);
的setContentView(R.layout.activity_main); 视频查看=(VideoView)findViewById(R.id.videoView1);
//videoViewer.setVideoPath(\"/sdcard/documentariesandyou.mp4);
/ *乌里URI = Uri.parse(路径1);
http://www.youtube.com/watch?v=Hxy8BZGQ5Jo
videoViewer.setVideoURI(URI); * /
mProgressBar =(进度)findViewById(R.id.Progressbar);
mProgressBar.setProgress(0);
mProgressBar.setMax(100);
mProgressBar.setVisibility(View.INVISIBLE); videoViewer.setOnCompletionListener(新OnCompletionListener(){ @覆盖
公共无效onCompletion(MediaPlayer的MP){ Toast.makeText(MainActivity.this,结束录像,Toast.LENGTH_LONG).show();
}
}); 新YourAsyncTask()执行(); } @覆盖
保护无效的onPause(){
// TODO自动生成方法存根
super.onPause(); Toast.makeText(MainActivity.this,暂停视频,Toast.LENGTH_LONG).show(); } @覆盖
保护无效的onStop(){
// TODO自动生成方法存根
super.onStop(); Toast.makeText(MainActivity.this,停止录像,Toast.LENGTH_LONG).show();
} @覆盖
保护无效的onDestroy(){
super.onDestroy();
//Toast.makeText(MainActivity.this,消灭视频,Toast.LENGTH_LONG).show();
/ * WifiManager wifiManager = NULL;
wifiManager.disconnect(); * / }
私有类YourAsyncTask扩展的AsyncTask<太虚,太虚,太虚>
{
ProgressDialog progressDialog; @覆盖
在preExecute保护无效()
{
super.on preExecute();
progressDialog = ProgressDialog.show(MainActivity.this,,加载视频的等待......,真);
} @覆盖
保护无效doInBackground(无效... PARAMS)
{
尝试
{
字符串URL =https://www.youtube.com/watch?v=SyrO83x7g-E;
videoUrl = getUrlVideoRTSP(URL);
Log.e(视频网址为播放=========>>>>>中,videoUrl);
}
赶上(例外五)
{
Log.e(登录肥皂在调用异常,e.toString());
}
返回null;
} @覆盖
保护无效onPostExecute(虚空结果)
{
super.onPostExecute(结果);
尝试{
progressDialog.dismiss(); videoViewer.setVideoURI(Uri.parse(videoUrl));
MC的MediaController =新的MediaController(MainActivity.this);
//videoViewer.setMediaController(mc);
videoViewer.requestFocus();
videoViewer.start();
mc.show();
}赶上(例外五){ e.printStackTrace();
}
} }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/;
的DocumentBuilder的DocumentBuilder = DocumentBuilderFactory.newInstance()newDocumentBuilder()。
字符串ID = extractYoutubeId(urlYoutube);
网址URL =新的URL(GDY + ID);
HttpURLConnection的连接=(HttpURLConnection类)url.openConnection();
文档的文档= documentBuilder.parse(connection.getInputStream());
元件EL = doc.getDocumentElement();
节点列表清单= el.getElementsByTagName(媒体:内容); ///媒体:内容
字符串指针= urlYoutube;
的for(int i = 0; I< list.getLength();我++)
{
节点node = list.item(ⅰ);
如果(节点!= NULL)
{
的NamedNodeMap nodeMap = node.getAttributes();
HashMap的<字符串,字符串>地图=新的HashMap<字符串,字符串>();
对于(INT J = 0; J< nodeMap.getLength(); J ++)
{
ATTR ATT =(attr)使用nodeMap.item(J);
maps.put(att.getName(),att.getValue());
}
如果(maps.containsKey(YT:格式))
{
串f = maps.get(YT:格式);
如果(maps.containsKey(URL))
{
光标= maps.get(URL);
}
如果(f.equals(1))
返回游标;
}
}
}
返回游标;
}
赶上(异常前)
{
Log.e(获取网址视频RTSP异常======>>中,ex.toString());
}
返回urlYoutube; }受保护的静态字符串extractYoutubeId(字符串URL)抛出MalformedURLException的
{
字符串ID = NULL;
尝试
{
查询字符串=新的URL(网址).getQuery();
如果(查询!= NULL)
{
的String []参数= query.split(与&);
对于(字符串行:参数)
{
串[]的param1 = row.split(=);
如果(参数1 [0] .equals(V))
{
ID =参数1 [1];
}
}
}
其他
{
如果(url.contains(嵌入))
{
ID = url.substring(url.lastIndexOf(/)+ 1);
}
}
}
赶上(异常前)
{
Log.e(异常,ex.toString());
}
返回ID;
}
}
解决方案
使用此方法提取视频ID
公共字符串extractYoutubeId(字符串videoUrl){ 字符串VIDEO_ID =;
如果(videoUrl =空&放大器;!&放大器; videoUrl.trim()长度()大于0){ 字符串前pression =^ *((youtu.be。+\\\\ /)+|(V \\\\ /)|(\\\\ / U \\\\ / W \\\\ /)|(嵌入\\\\ /)|(看\\\\))\\\\ ?? v =([^#\\\\&放大器; \\\\?] *)*;??
CharSequence中输入= videoUrl;
模式模式= Pattern.compile(如pression,Pattern.CASE_INSENSITIVE);
匹配匹配= pattern.matcher(输入);
如果(matcher.matches()){
串groupIndex1 = matcher.group(7);
如果(groupIndex1 = NULL&放大器;!&安培; groupIndex1.length()== 11)
VIDEO_ID = groupIndex1;
}
} 返回VIDEO_ID; }
更新增加一个监听器
videoview.setOnErrorListener(新OnErrorListener(){ @覆盖
公共布尔的onError(MediaPlayer的为arg0,ARG1 INT,INT ARG2){
// hadle错误
返回true;
}
});
In my code ,display youtube video in video viewer.
I am successfully done but end of the video display dialogue "Can't not play video"
here my code
package com.example.videodemo;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.HashMap;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import org.w3c.dom.Attr;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import android.app.Activity;
import android.app.ProgressDialog;
import android.media.MediaPlayer;
import android.media.MediaPlayer.OnCompletionListener;
import android.net.Uri;
import android.os.AsyncTask;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.MediaController;
import android.widget.ProgressBar;
import android.widget.Toast;
import android.widget.VideoView;
public class MainActivity extends Activity {
private VideoView videoViewer;
private ProgressBar mProgressBar;
String videoUrl ="http://podcast.20min-tv.ch/podcast/20min/199733.mp4";
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
videoViewer=(VideoView)findViewById(R.id.videoView1);
//videoViewer.setVideoPath("/sdcard/documentariesandyou.mp4");
/* Uri uri=Uri.parse(path1);
http://www.youtube.com/watch?v=Hxy8BZGQ5Jo
videoViewer.setVideoURI(uri); */
mProgressBar = (ProgressBar) findViewById(R.id.Progressbar);
mProgressBar.setProgress(0);
mProgressBar.setMax(100);
mProgressBar.setVisibility(View.INVISIBLE);
videoViewer.setOnCompletionListener(new OnCompletionListener() {
@Override
public void onCompletion(MediaPlayer mp) {
Toast.makeText(MainActivity.this, "End Video", Toast.LENGTH_LONG).show();
}
});
new YourAsyncTask().execute();
}
@Override
protected void onPause() {
// TODO Auto-generated method stub
super.onPause();
Toast.makeText(MainActivity.this, "Pause Video", Toast.LENGTH_LONG).show();
}
@Override
protected void onStop() {
// TODO Auto-generated method stub
super.onStop();
Toast.makeText(MainActivity.this, "Stop Video", Toast.LENGTH_LONG).show();
}
@Override
protected void onDestroy() {
super.onDestroy();
//Toast.makeText(MainActivity.this, "Destroy Video", Toast.LENGTH_LONG).show();
/*WifiManager wifiManager = null;
wifiManager.disconnect();*/
}
private class YourAsyncTask extends AsyncTask<Void, Void, Void>
{
ProgressDialog progressDialog;
@Override
protected void onPreExecute()
{
super.onPreExecute();
progressDialog = ProgressDialog.show(MainActivity.this, "", "Loading Video wait...", true);
}
@Override
protected Void doInBackground(Void... params)
{
try
{
String url = "https://www.youtube.com/watch?v=SyrO83x7g-E";
videoUrl = getUrlVideoRTSP(url);
Log.e("Video url for playing=========>>>>>", videoUrl);
}
catch (Exception e)
{
Log.e("Login Soap Calling in Exception", e.toString());
}
return null;
}
@Override
protected void onPostExecute(Void result)
{
super.onPostExecute(result);
try {
progressDialog.dismiss();
videoViewer.setVideoURI(Uri.parse(videoUrl));
MediaController mc = new MediaController(MainActivity.this);
//videoViewer.setMediaController(mc);
videoViewer.requestFocus();
videoViewer.start();
mc.show();
} catch (Exception e) {
e.printStackTrace();
}
}
}
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;
}
}
解决方案
Use this method to extract videoid
public String extractYoutubeId(String videoUrl) {
String video_id = "";
if (videoUrl != null && videoUrl.trim().length() > 0) {
String expression = "^.*((youtu.be" + "\\/)" + "|(v\\/)|(\\/u\\/w\\/)|(embed\\/)|(watch\\?))\\??v?=?([^#\\&\\?]*).*";
CharSequence input = videoUrl;
Pattern pattern = Pattern.compile(expression, Pattern.CASE_INSENSITIVE);
Matcher matcher = pattern.matcher(input);
if (matcher.matches()) {
String groupIndex1 = matcher.group(7);
if (groupIndex1 != null && groupIndex1.length() == 11)
video_id = groupIndex1;
}
}
return video_id;
}
UPDATE add one more listener
videoview.setOnErrorListener(new OnErrorListener() {
@Override
public boolean onError(MediaPlayer arg0, int arg1, int arg2) {
// hadle the error
return true;
}
});
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