I am sending HTTP request to a PHP site in a server. But while I am sending the request the phone getting stuck for a couple of seconds. Sometimes Its getting long time to send and receive the requested result.
How to solve this. Pls help me to find a solution. Thanks.
This is the code I tried...
public void postData() {
// Create a new HttpClient and Post Header
HttpClient httpclient = new DefaultHttpClient();
HttpPost httppost = new HttpPost("http://www.yoursite.com/script.php");
try {
// Add your data
List<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>(2);
nameValuePairs.add(new BasicNameValuePair("id", "12345"));
nameValuePairs.add(new BasicNameValuePair("stringdata", "AndDev is Cool!"));
httppost.setEntity(new UrlEncodedFormEntity(nameValuePairs));
// Execute HTTP Post Request
HttpResponse response = httpclient.execute(httppost);
} catch (ClientProtocolException e) {
// TODO Auto-generated catch block
} catch (IOException e) {
// TODO Auto-generated catch block
}
}
To make http request you have to use AsyncTask.This will run in background.
see below link for reference
http://www.vogella.com/articles/AndroidPerformance/article.html
Use AsyncTask for making http request from UI thread. Change your code as:
private class LongOperation extends AsyncTask<String, Void, String> {
@Override
protected Void doInBackground(String... params) {
//Call your post method here
postData();
return null;
}
@Override
protected void onPostExecute(String result) {
// get result after operation complete
}
@Override
protected void onPreExecute() {
}
@Override
protected void onProgressUpdate(Void... values) {
}
}
You should perform network operations in some other thread than network thread, please see handler and async task for the same.
http://developer.android.com/training/basics/network-ops/connecting.html#AsyncTask
Try like this, you can use: HttpClient.exeucute(httpPost) and get the HttpResponse
This work for me perfect.
DefaultHttpClient client = new DefaultHttpClient();
HttpPost post = new HttpPost(url);
List<NameValuePair> params = new ArrayList<NameValuePair>();
pairs.add(new BasicNameValuePair("email", stringeditemail));
UrlEncodedFormEntity formEntity = null;
try {
formEntity = new UrlEncodedFormEntity(params);
} catch (UnsupportedEncodingException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
post.setEntity(formEntity);
try {
HttpResponse response = client.execute(post);
int statusCode = response.getStatusLine().getStatusCode();
if (statusCode == HttpStatus.SC_OK) {
HttpEntity entity = response.getEntity();
InputStream is = entity.getContent();
return iStream_to_String(is);
} else {
return "Hello This is status ==> :"
+ String.valueOf(statusCode);
}
} catch (UnsupportedEncodingException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (ClientProtocolException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return null;
}
And create the method for the convert the stringbuilder to string
public static String iStream_to_String(InputStream is1) {
BufferedReader rd = new BufferedReader(new InputStreamReader(is1), 4096);
String line;
StringBuilder sb = new StringBuilder();
try {
while ((line = rd.readLine()) != null) {
sb.append(line);
}
rd.close();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
String contentOfMyInputStream = sb.toString();
return contentOfMyInputStream;
}