I am trying to successfully send data across from an android app to a php web app and display that data and save into a mysql database. However i don't get an exception or anything just the data i send across does not get received on the server end. My code is below:
public void onClick(View view) {
String text = "None";
switch (view.getId()) {
case R.id.btnOne:
send();
text = "Response Submitted";
break;
case R.id.btnTwo:
text = "Two";
break;
case R.id.btnThree:
text = "Three";
break;
case R.id.btnFour:
text = "Four";
break;
}
Toast.makeText(this, text, Toast.LENGTH_SHORT).show();
}
private void send() {
URL a = null;
try {
a = new URL("http://cce.swlgroup.com/json.php/");
} catch (Exception exception) {
exception.printStackTrace();
}
new URLTestTask().execute(a);
}
private class URLTestTask extends AsyncTask<URL, Integer, Void> {
#Override
protected void doInBackground(URL... urls) {
HttpURLConnection conn = null;
BufferedReader reader = null;
try {
URL url = new URL("http://cce.swlgroup.com/json.php/");
conn = (HttpURLConnection) url.openConnection();
conn.setDoOutput(true);
Log.e("", "" + conn.getResponseMessage());
conn.connect();
JSONObject obj = new JSONObject();
obj.put("Marge","Simpson");
HttpClient client = new DefaultHttpClient();
HttpGet post = new HttpGet(url.toURI());
post.setEntity(new ByteArrayEntity(obj.toString().getBytes("UTF8")));
post.setHeader("json",obj.toString());
ResponseHandler<String> responseHandler = new BasicResponseHandler();
final String responseBody = client.execute(post,
responseHandler);
HttpEntity ent = post.getEntity();
InputStream stream = ent.getContent();
String result = RestClient.convertStreamToString(stream);
BufferedReader red = new BufferedReader(new InputStreamReader(ent.getContent()));
String line;
StringBuilder lb = new StringBuilder();
while((line = red.readLine()) != null){
lb.append(red);
}
red.close();
Log.i("Read from server", result);
} catch (Exception e){
e.printStackTrace();
}finally {
if (conn != null)
conn.disconnect();
try{
if (reader != null)
reader.close();
} catch (Exception e){
e.printStackTrace();
}
}
return null;
}
}
my php code is below to get data and display:
$json = file_get_contents('php://input');
$obj = json_decode($json);
var_dump($obj);
var_dump($_POST);
var_dump($_GET);
HttpURLConnection conn = null;
BufferedReader reader = null;
try {
URL url = new URL("http://10.0.2.2/json.php/");
conn = (HttpURLConnection) url.openConnection();
conn.setDoOutput(true);
Log.e("", "" + conn.getResponseMessage());
conn.connect();
JSONObject obj = new JSONObject();
obj.put("Marge","Simpson");
HttpClient client = new DefaultHttpClient();
StringBuilder pat = new StringBuilder();
HttpGet post = new HttpGet(url.toURI());
post.setEntity(new ByteArrayEntity(obj.toString().getBytes("UTF8")));
post.setHeader("json", obj.toString());
post.setHeader("Content-Type", "application/json");
post.setHeader("accept-encoding","gzip, deflate");
post.setHeader("accept-language","en-US,en;q=0.8");
post.setHeader("FormData",obj.toString());
HttpResponse lazy = client.execute(post);
HttpEntity ent = lazy.getEntity();
String lb = EntityUtils.toString(ent);
pat.append(lb);
Log.i("Read from server", pat.toString());
} catch (Exception e){
e.printStackTrace();
}finally {
if (conn != null)
conn.disconnect();
try{
if (reader != null)
reader.close();
} catch (Exception e){
e.printStackTrace();
}
}
return null;
I made the change in accordance with that code but it doesnt seem to send a result across.
Related
I'm try to post request with HttpURLConnection
This is request body:
This is request header:
This is my Code:
public static String postSms(long mNo,long cepNo, String mesaj){
String responseLine = null;
String url = getSmsUrl();
String authKey = getSmsAuthKey();
try {
URL s_url = new URL(url);
httpCon = (HttpURLConnection) s_url.openConnection();
if(authKey != null){
httpCon.setRequestProperty("yd-x-token", authKey);
}
httpCon.setRequestMethod("POST");
httpCon.setRequestProperty("Content-Type", "application/json; utf-8");
httpCon.setRequestProperty("Accept", "application/json");
httpCon.setDoOutput(true);
int responseCode = httpCon.getResponseCode();
if(responseCode == HttpURLConnection.HTTP_OK){
JSONObject msj = new JSONObject();
msj.put("toNumber", cepNo);
msj.put("smsText", mesaj);
try(OutputStream os = httpCon.getOutputStream()) {
byte[] input = msj.toString().getBytes("utf-8");
os.write(input, 0, input.length);
}
try(BufferedReader br = new BufferedReader(
new InputStreamReader(httpCon.getInputStream(), "utf-8"))) {
StringBuilder response = new StringBuilder();
responseLine = null;
while ((responseLine = br.readLine()) != null) {
response.append(responseLine.trim());
}
}
}else return "ER|[sendNotification][Sms] <===> "+responseCode;
} catch (MalformedURLException e) {
log.error("ER|[sendNotification][Sms] <===> Hata "+e);
return "ER|[sendNotification][Sms] <===> Hata "+e;
} catch (IOException e) {
log.error("ER|[sendNotification][Sms] <===> Hata "+e);
return "ER|[sendNotification][Sms] <===> Hata "+e;
}catch (JSONException e){
}
return "OK";
}
When i try postman like two photos, it's happens successs. But when i try with HttpURLConnection, response code = 500 . Sometimes responseCode was coming 401 but when they give new token that changes with httpstatus 500. Why I'm getting this error.
If you get a status 401, it means you don't have permission for access this URL. This is why they gave you a new token, you got a status 500. So make sure that you always have right token before calling that request.
For the status 500, It is an issue of server side. Tell your server developer, check it.
By the way, It is stupid url with ".json" at the end.
True way is :
public static String postSms(long mNo,long cepNo, String mesaj){
String responseLine = null;
String url = getSmsUrl();
String authKey = getSmsAuthKey();
try {
URL s_url = new URL(url);
httpCon = (HttpURLConnection) s_url.openConnection();
if(authKey != null){
httpCon.setRequestProperty("yd-x-token", authKey);
}
httpCon.setRequestMethod("POST");
httpCon.setRequestProperty("Content-Type", "application/json; utf-8");
httpCon.setRequestProperty("Accept", "application/json");
httpCon.setDoOutput(true);
JSONObject msj = new JSONObject();
msj.put("toNumber", cepNo);
msj.put("smsText", mesaj);
try(OutputStream os = httpCon.getOutputStream()) {
byte[] input = msj.toString().getBytes("utf-8");
os.write(input, 0, input.length);
}
int responseCode = httpCon.getResponseCode();
if(responseCode == HttpURLConnection.HTTP_OK){
try(BufferedReader br = new BufferedReader(
new InputStreamReader(httpCon.getInputStream(), "utf-8"))) {
StringBuilder response = new StringBuilder();
responseLine = null;
while ((responseLine = br.readLine()) != null) {
response.append(responseLine.trim());
}
}
}else return "ER|[sendNotification][Sms] <===> "+responseCode;
} catch (MalformedURLException e) {
log.error("ER|[sendNotification][Sms] <===> Hata "+e);
return "ER|[sendNotification][Sms] <===> Hata "+e;
} catch (IOException e) {
log.error("ER|[sendNotification][Sms] <===> Hata "+e);
return "ER|[sendNotification][Sms] <===> Hata "+e;
}catch (JSONException e){
}
return "OK";
}
i want to send data from android application to tomcat java server.
Data is just one is client_id which is 1 and second is staff_id which is 2.
after authenticate the client id and staff id from tomcat show me a toast of success....please help...
Code is here
public class MyAsyncTasks extends AsyncTask<String, String, String> {
#Override
protected void onPreExecute() {
super.onPreExecute();
// display a progress dialog for good user experiance
}
#Override
protected String doInBackground(String... params) {
// implement API in background and store the response in current variable
String current = "";
try {
URL url;
HttpURLConnection urlConnection = null;
try {
url = new URL("http://192.168.1.13:8080/digitaldisplay/s/m/data");
urlConnection = (HttpURLConnection) url
.openConnection();
InputStream in = urlConnection.getInputStream();
InputStreamReader isw = new InputStreamReader(in);
int data = isw.read();
while (data != -1) {
current += (char) data;
data = isw.read();
System.out.print(current);
}
// return the data to onPostExecute method
return current;
} catch (Exception e) {
e.printStackTrace();
} finally {
if (urlConnection != null) {
urlConnection.disconnect();
}
}
} catch (Exception e) {
e.printStackTrace();
return "Exception: " + e.getMessage();
}
return current;
}
#Override
protected void onPostExecute(String s) {
Toast.makeText(Register.this, "success", Toast.LENGTH_SHORT).show();
Log.d("data", s.toString());
// dismiss the progress dialog after receiving data from API
try {
// JSON Parsing of data
JSONArray jsonArray = new JSONArray(s);
JSONObject oneObject = jsonArray.getJSONObject(0);
// Pulling items from the array
client = Integer.parseInt(oneObject.getString("client"));
staff = Integer.parseInt(oneObject.getString("staff"));
} catch (JSONException e) {
e.printStackTrace();
}
} }}
The logic in your code looks off to me. This is the pattern I usually follow when making a REST call from an activity using HttpURLConnection:
try {
String endpoint = "http://192.168.1.13:8080/digitaldisplay/s/m/data";
URL obj = new URL(endpoint);
HttpURLConnection con = (HttpURLConnection) obj.openConnection();
con.setRequestMethod("POST"); // but maybe you want GET here...
con.setConnectTimeout(10000);
con.setDoInput(true);
con.setDoOutput(true);
JSONObject inputJSON = new JSONObject();
inputJSON.put("Client_id", 1);
inputJSON.put("Staff_id", 2);
con.setRequestProperty("Content-Type", "application/json; charset=UTF-8");
OutputStream os = con.getOutputStream();
BufferedWriter writer = new BufferedWriter(
new OutputStreamWriter(os, "UTF-8"));
writer.write(inputJSON.toString());
writer.flush();
writer.close();
os.close();
int responseCode = con.getResponseCode();
BufferedReader in = new BufferedReader(
new InputStreamReader(con.getInputStream()));
String inputLine;
StringBuffer response = new StringBuffer();
while ((inputLine = in.readLine()) != null) {
response.append(inputLine);
}
in.close();
System.out.println(response);
} catch (SocketTimeoutException se) {
// handle timeout exception
responseCode = -1;
} catch (Exception e) {
// handle general exception
responseCode = 0;
}
The only major change in adapting the above code for GET would be that you wouldn't write your input data to the connection. Instead, you would just append query parameters to the URL. I am possibly guessing that you need POST here, since your URL doesn't have any query parameters in it.
I am implementing azure for my web application and trying to get access token by following there openId connect tutorial
https://learn.microsoft.com/en-us/azure/active-directory/develop/active-directory-protocols-oauth-code
And when i am requesting to get the access token, i am always getting bad request 400
Request to get access token :
POST /{tenant}/oauth2/token HTTP/1.1
Host: https://login.microsoftonline.com
Content-Type: application/x-www-form-urlencoded
grant_type=authorization_code
&client_id=2d4d11a2-f814-46a7-890a-274a72a7309e
&code=AwABAAAAvPM1KaPl.......
&redirect_uri=https%3A%2F%2Flocalhost%2Fmyapp%2F
&resource=https%3A%2F%2Fservice.contoso.com%2F
&client_secret=p#ssw0rd
here is my code :
public static String post( String endpoint,
Map<String, String> params) {//YD
StringBuffer paramString = new StringBuffer("");
//if(!Utilities.checkInternetConnection(context)){
// return XMLHandler.getXMLForErrorCode(context, JSONHandler.ERROR_CODE_INTERNET_CONNECTION);
//}
Iterator<Entry<String, String>> iterator = params.entrySet().iterator();
StringBuffer tempBuffer = new StringBuffer("");
String paramval;
while (iterator.hasNext()) {
Entry<String, String> param = iterator.next();
if (param != null) {
if (paramString.length() > 0) {
paramString.append("&");
}
System.out.println( "post key : " + param.getKey());
String value;
try {
paramval = param.getValue();
if(paramval!=null)
value = URLEncoder.encode(paramval, "UTF-8");
else
value = "";
} catch (UnsupportedEncodingException e) {
value = "";
e.printStackTrace();
}
paramString.append(param.getKey()).append("=")
.append(value);
}
}
try {
HttpClient httpclient = new DefaultHttpClient();
HttpPost httppost = new HttpPost(endpoint);
String data = "";
try {
// Add your data
// httppost.setEntity(new UrlEncodedFormEntity(nameValuePairs))
//httppost.addHeader("Host", host);
httppost.addHeader("Content-Type",
"application/x-www-form-urlencoded");
if (!paramString.equals("")) {
if (tempBuffer.length() > 0) {
data = data + tempBuffer.toString();
}
data = data + paramString.toString();
if (data.endsWith("&")) {
data = data.substring(0, data.length() - 1);
}
httppost.setEntity(new ByteArrayEntity(data.getBytes()));
}
System.out.println( "post Stringbuffer : " + data);
// Execute HTTP Post Request
HttpResponse response = httpclient.execute(httppost);
int statuscode = response.getStatusLine().getStatusCode();
System.out.println("Response code : " + statuscode);
if (statuscode != 200) {
return null;
}
HttpEntity entity = response.getEntity();
InputStream in = null;
if (entity != null) {
in = entity.getContent();
}
if (in != null) {
StringBuilder builder = new StringBuilder();
String line;
try {
BufferedReader reader = new BufferedReader(
new InputStreamReader(in, "UTF-8"));
while ((line = reader.readLine()) != null) {
builder.append(line);
}
} finally {
in.close();
}
String response2 = builder.toString();
System.out.println("response :" + response2);
retrycount = 0;
return response2;
}
}
catch(UnknownHostException e){
e.printStackTrace();
return null;
}
catch (EOFException eof) {
if (retrycount < max_retry) {
eof.printStackTrace();
post( endpoint, params);
retrycount = 1;
}
} catch (Throwable th) {
throw new IOException("Error in posting :" + th.getMessage());
}
retrycount = 0;
return null;
} catch (Exception e) {
e.printStackTrace();
}
return null;
}
Please help me with this
Thanks in Advance
Have you ensured the redirect uri passed to /token is the same as the one you passed to /authorize
I believe, it will help if you can test the OAuth auth code flow with your current client id, secret and scope using Postman tool in order to rule out bad configuration.
Please refer to the code below to request AuthorizationCode.
public static void getAuthorizationCode() throws IOException {
String encoding = "UTF-8";
String params = "client_id=" + clientId
+ "&response_type=" + reponseType
+ "&redirect_uri=http%3A%2F%2Flocalhost%2Fmyapp%2F"
+ "&response_mode=query"
+ "&resource=https%3A%2F%2Fgraph.windows.net"
+ "&state=12345";
String path = "https://login.microsoftonline.com/" + tenantId + "/oauth2/authorize";
byte[] data = params.getBytes(encoding);
URL url = new URL(path);
HttpURLConnection conn = (HttpURLConnection) url.openConnection();
conn.setRequestMethod("POST");
conn.setDoOutput(true);
conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
conn.setRequestProperty("Content-Length", String.valueOf(data.length));
conn.setConnectTimeout(5 * 1000);
OutputStream outStream = conn.getOutputStream();
outStream.write(data);
outStream.flush();
outStream.close();
System.out.println(conn.getResponseCode());
System.out.println(conn.getResponseMessage());
BufferedReader br = null;
if (conn.getResponseCode() != 200) {
br = new BufferedReader(new InputStreamReader((conn.getErrorStream())));
} else {
br = new BufferedReader(new InputStreamReader((conn.getInputStream())));
}
System.out.println("Response body : " + br.readLine());
}
Then you could get access token using the AuthorizationCode you got and get refresh code using the code below.
public static void getToken(String refreshToken) throws IOException {
String encoding = "UTF-8";
String params = "client_id=" + clientId + "&refresh_token=" + refreshToken
+ "&grant_type=refresh_token&resource=https%3A%2F%2Fgraph.windows.net";
String path = "https://login.microsoftonline.com/" + tenantId + "/oauth2/token";
byte[] data = params.getBytes(encoding);
URL url = new URL(path);
HttpURLConnection conn = (HttpURLConnection) url.openConnection();
conn.setRequestMethod("POST");
conn.setDoOutput(true);
conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
conn.setRequestProperty("Content-Length", String.valueOf(data.length));
conn.setConnectTimeout(5 * 1000);
OutputStream outStream = conn.getOutputStream();
outStream.write(data);
outStream.flush();
outStream.close();
System.out.println(conn.getResponseCode());
System.out.println(conn.getResponseMessage());
BufferedReader br = null;
if (conn.getResponseCode() != 200) {
br = new BufferedReader(new InputStreamReader((conn.getErrorStream())));
} else {
br = new BufferedReader(new InputStreamReader((conn.getInputStream())));
}
System.out.println("Response body : " + br.readLine());
}
Hope it helps you.
I have developed an application, that has text view for display some Gujarati text from the JSON URL and data stored in PHP MySQL server database.
So, problem with display Gujarati font:
My code of JSON http is here:
public class CustomHttpClient {
public static final int HTTP_TIMEOUT = 30 * 1000;
private static HttpClient mHttpClient;
private static HttpClient getHttpClient() {
if (mHttpClient == null) {
mHttpClient = new DefaultHttpClient();
final HttpParams params = mHttpClient.getParams();
HttpConnectionParams.setConnectionTimeout(params, HTTP_TIMEOUT);
HttpConnectionParams.setSoTimeout(params, HTTP_TIMEOUT);
ConnManagerParams.setTimeout(params, HTTP_TIMEOUT);
}
return mHttpClient;
}
public static String executeHttpPost(String url,ArrayList<NameValuePair> postParameters) throws Exception {
BufferedReader in = null;
try {
HttpClient client = getHttpClient();
HttpPost request = new HttpPost(url);
UrlEncodedFormEntity formEntity = new UrlEncodedFormEntity(
postParameters);
request.setEntity(formEntity);
HttpResponse response = client.execute(request);
in = new BufferedReader(new InputStreamReader(response.getEntity()
.getContent()));
// in = new BufferedReader(new InputStreamReader(is, "UTF-8"), 8000);
StringBuffer sb = new StringBuffer("");
String line = "";
String NL = System.getProperty("line.separator");
while ((line = in.readLine()) != null) {
sb.append(line + NL);
}
in.close();
String result = sb.toString();
return result;
} finally {
if (in != null) {
try {
in.close();
} catch (IOException e) {
Log.e("log_tag", "Error converting result "+e.toString());
e.printStackTrace();
}
}
}
}
and main activity code here:
desc_about=(TextView)v.findViewById(R.id.textdesc);
Typeface tf=Typeface.createFromAsset(getActivity().getAssets(),"Shruti.ttf");
desc_about.setTypeface(tf);
ArrayList<NameValuePair> postParameters = new ArrayList<NameValuePair>();
postParameters.add(new BasicNameValuePair("temple_id","2"));
String response = null;
try {
response = CustomHttpClient.executeHttpPost(
url_temple,postParameters);
String result = response.toString();
try {
JSONArray jArray = new JSONArray(result);
for(int i=0;i<jArray.length();i++)
{
JSONObject json_data = jArray.getJSONObject(i);
about_temple=json_data.getString("about_text");
}
}
catch(JSONException e){
Log.e("log_tag", "Error parsing data "+e.toString());
}
}
try{
desc_about.setText(about_temple);
}
catch(Exception e){
Log.e("log_tag","Error in Display!" + e.toString());;
Toast.makeText(getActivity(), "error" + 2, 100).show();
}
}
catch (Exception e) {
Log.e("log_tag","Error in http connection!!" + e.toString());
Toast.makeText(getActivity(), "error" + 3, 100).show();
}
Try using utf-endcoding at the time of making JSON on php side and same way decode utf in android side. I solved it using this way in iOS app, Thanks
Try this solution
StringRequest stringRequest = new StringRequest(Request.Method.GET,"http://floming.com/shayri/guj_romanse.json", new Response.Listener<String>() {
#Override
public void onResponse(String response) {
String str = "";
try {
str = new String(response.getBytes("ISO-8859-1"), "UTF-8");
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
String decodedStr = Html.fromHtml(str).toString();
I have to make a http Post request using a JSON string I already have generated.
I tried different two different methods :
1.HttpURLConnection
2.HttpClient
but I get the same "unwanted" result from both of them.
My code so far with HttpURLConnection is:
public static void SaveWorkflow() throws IOException {
URL url = null;
url = new URL(myURLgoeshere);
HttpURLConnection urlConn = null;
urlConn = (HttpURLConnection) url.openConnection();
urlConn.setDoInput (true);
urlConn.setDoOutput (true);
urlConn.setRequestMethod("POST");
urlConn.setRequestProperty("Content-Type", "application/json");
urlConn.connect();
DataOutputStream output = null;
DataInputStream input = null;
output = new DataOutputStream(urlConn.getOutputStream());
/*Construct the POST data.*/
String content = generatedJSONString;
/* Send the request data.*/
output.writeBytes(content);
output.flush();
output.close();
/* Get response data.*/
String response = null;
input = new DataInputStream (urlConn.getInputStream());
while (null != ((response = input.readLine()))) {
System.out.println(response);
input.close ();
}
}
My code so far with HttpClient is:
public static void SaveWorkflow() {
try {
HttpClient httpClient = new DefaultHttpClient();
HttpPost postRequest = new HttpPost(myUrlgoeshere);
StringEntity input = new StringEntity(generatedJSONString);
input.setContentType("application/json;charset=UTF-8");
postRequest.setEntity(input);
input.setContentEncoding(new BasicHeader(HTTP.CONTENT_TYPE,"application/json;charset=UTF-8"));
postRequest.setHeader("Accept", "application/json");
postRequest.setEntity(input);
HttpResponse response = httpClient.execute(postRequest);
BufferedReader br = new BufferedReader(
new InputStreamReader((response.getEntity().getContent())));
String output;
while ((output = br.readLine()) != null) {
System.out.println(output);
}
httpClient.getConnectionManager().shutdown();
} catch (MalformedURLException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
Where generated JsonString is like this:
{"description":"prova_Process","modelgroup":"","modified":"false"}
The response I get is:
{"response":false,"message":"Error in saving the model. A JSONObject text must begin with '{' at 1 [character 2 line 1]","ids":[]}
Any idea please?
Finally I managed to find the solution to my problem ...
public static void SaveWorkFlow() throws IOException
{
CloseableHttpClient httpClient = HttpClients.createDefault();
HttpPost post = new HttpPost(myURLgoesHERE);
List<NameValuePair> params = new ArrayList<>();
params.add(new BasicNameValuePair("task", "savemodel"));
params.add(new BasicNameValuePair("code", generatedJSONString));
CloseableHttpResponse response = null;
Scanner in = null;
try
{
post.setEntity(new UrlEncodedFormEntity(params));
response = httpClient.execute(post);
// System.out.println(response.getStatusLine());
HttpEntity entity = response.getEntity();
in = new Scanner(entity.getContent());
while (in.hasNext())
{
System.out.println(in.next());
}
EntityUtils.consume(entity);
} finally
{
in.close();
response.close();
}
}
Another way to achieve this is as shown below:
public static void makePostJsonRequest(String jsonString)
{
HttpClient httpClient = new DefaultHttpClient();
try {
HttpPost postRequest = new HttpPost("Ur_URL");
postRequest.setHeader("Content-type", "application/json");
StringEntity entity = new StringEntity(jsonString);
postRequest.setEntity(entity);
long startTime = System.currentTimeMillis();
HttpResponse response = httpClient.execute(postRequest);
long elapsedTime = System.currentTimeMillis() - startTime;
//System.out.println("Time taken : "+elapsedTime+"ms");
InputStream is = response.getEntity().getContent();
Reader reader = new InputStreamReader(is);
BufferedReader bufferedReader = new BufferedReader(reader);
StringBuilder builder = new StringBuilder();
while (true) {
try {
String line = bufferedReader.readLine();
if (line != null) {
builder.append(line);
} else {
break;
}
} catch (Exception e) {
e.printStackTrace();
}
}
//System.out.println(builder.toString());
//System.out.println("****************");
} catch (Exception ex) {
ex.printStackTrace();
}
}