protected void onCreate(Bundle savedInstanceState) 
    {
        
        super.onCreate(savedInstanceState);
        this.requestWindowFeature(Window.FEATURE_NO_TITLE);
        this.setContentView(R.layout.videos);
        
        VideoView video = (VideoView)this.findViewById(R.id.video);
        MediaController mediaController = new MediaController(this);
        mediaController.setAnchorView(video);
        video.setMediaController(mediaController);
        video.setVideoPath("W://android_testvideo.3gp");
        video.requestFocus();

        video.start();
        
        
    }

        Uri uri =  Uri.parse("http://....../20100515_dfb-pokal-finals-zwanziger.mp4");
       video.setVideoURI(uri);

public class ShowVideo extends Activity
{
    private String path = "";

    @Override
    public void onCreate(Bundle savedInstanceState) 
    {
        super.onCreate(savedInstanceState);
        this.requestWindowFeature(Window.FEATURE_NO_TITLE);
        this.setContentView(R.layout.video);
        
        Bundle extra = this.getIntent().getExtras();
        if(extra!=null)
        {
            path = extra.getString("videoUrl");
        }
        
        VideoView vv = (VideoView)this.findViewById(R.id.surface);

        MediaController mc = new MediaController(this);
        
        vv.setMediaController(mc);
    
        try 
        {
            vv.setVideoURI(Uri.parse(this.getDataSource(path)));
            
        } 
        catch (IOException e) 
        {
            Log.e("IOException", e.getMessage());
        }

        vv.start();
        vv.requestFocus();
        
        
    
    }
    
    private String getDataSource(String path) throws IOException 
    {
            Log.v("getDataSource", "start");
           if (!URLUtil.isNetworkUrl(path)) 
           {
                   return path;
           } 
           else 
           {
                URL url = new URL(path);
                URLConnection cn = url.openConnection();
                cn.connect();
                InputStream stream = cn.getInputStream();
                if (stream == null)
                {
                       throw new RuntimeException("stream is null");
                }
                File temp = File.createTempFile("mediaplayertmp", "dat");
                temp.deleteOnExit();
                String tempPath = temp.getAbsolutePath();
                FileOutputStream out = new FileOutputStream(temp);
                byte buf[] = new byte[128];
                do 
                {
                    int numread = stream.read(buf);
                    if (numread <= 0)
                        break;
                    out.write(buf, 0, numread);
                } 
                while (true);
                try 
                {
                    stream.close();
                } 
                catch (IOException ex) 
                {
                    Log.e("error: " + ex.getMessage(), ex.getMessage());
                }
                Log.v("getDataSource", "fertig");   
                return tempPath;
             
           }
           
    }

    
    

}