class loadhtml extends AsyncTask<String,Void,String>{
ProgressDialog mProgressDialog;
public static final String TAG_VIDEO="data";
JSONArray data = null;
@Override
protected void onPreExecute() {
mProgressDialog=new ProgressDialog(LatestVideoActivity.mContext);
mProgressDialog.setTitle("Fetech Video...");
mProgressDialog.setMessage("Please Wait...");
mProgressDialog.setCancelable(false);
mProgressDialog.show();
}
@Override
protected String doInBackground(String... params) {
String response="";
try{
String url="http://twominenglish.com/api/getvideo?videoid="+ videoId;
response = sendRequest(url);
} catch (Exception e) {
e.printStackTrace();
return "";
}
return response;
}
@Override
protected void onPostExecute(String result) {
//mProgressDialog.dismiss();
if (!result.equalsIgnoreCase("")) {
try {
JSONObject mainObject = new JSONObject(result);
if (mainObject.has("ID")) {
id = mainObject.getString("ID");
// Toast.makeText(getBaseContext(), ""+id, Toast.LENGTH_SHORT).show();
}
if (mainObject.has("VideoID")) {
mVideoId = mainObject.getString("VideoID");
//Toast.makeText(getBaseContext(), ""+videoId, Toast.LENGTH_SHORT).show();
}
if (mainObject.has("Title")) {
title = mainObject.getString("Title");
//Toast.makeText(getBaseContext(), ""+title, Toast.LENGTH_SHORT).show();
}
if (mainObject.has("Description")) {
desc = mainObject.getString("Description");
//Toast.makeText(getBaseContext(), ""+desc, Toast.LENGTH_SHORT).show();
}
if (mainObject.has("Script")) {
script = mainObject.getString("Script");
// Toast.makeText(getBaseContext(), ""+script, Toast.LENGTH_SHORT).show();
}
if (mainObject.has("Phrases")) {
phrases = mainObject.getString("Phrases");
//Toast.makeText(getBaseContext(), ""+phrases, Toast.LENGTH_SHORT).show();
}
} catch (Exception e) {
e.printStackTrace();
} finally {
mProgressDialog.dismiss();
Matcher matcher = Pattern.compile("http://www.youtube.com/embed/").matcher(mVideoId);
//Exampe of full path of youtube="http://www.youtube.com/embed/4oceDC_w6uY;
matcher.find();
// Uri my =Uri.parse("http://www.youtube.com/embed/" +mVideoId);
Intent lVideoIntent = new Intent(
null,
Uri.parse("ytv://" + matcher.group(1)),
LatestVideoActivity.mContext,
com.astrobix.youtube.OpenYouTubePlayerActivity.class);
startActivity(lVideoIntent);
}
}
}
public String sendRequest(String url) {
String result = "";
try {
HttpClient client = new DefaultHttpClient();
HttpParams httpParameters = client.getParams();
HttpConnectionParams.setConnectionTimeout(httpParameters, 5000);
HttpConnectionParams.setSoTimeout(httpParameters, 5000);
HttpConnectionParams.setTcpNoDelay(httpParameters, true);
HttpGet request = new HttpGet();
request.setURI(new URI(url));
HttpResponse response = client.execute(request);
InputStream ips = response.getEntity().getContent();
BufferedReader buf = new BufferedReader(new InputStreamReader(ips,
"UTF-8"));
StringBuilder sb = new StringBuilder();
String s;
while (true) {
s = buf.readLine();
if (s == null || s.length() == 0)
break;
sb.append(s);
}
buf.close();
ips.close();
result = sb.toString();
} catch (Exception e) {
e.printStackTrace();
}
return result;
}
当我运行此代码时,它显示异常:
“java.lang.IllegalStateException:到目前为止没有成功匹配”“在 java.util.regex.Matcher.ensureMatch(Matcher.java:607)”“在 java.util.regex.Matcher.group(Matcher.java:358) "