If you have an web api with json response and with "method = post" and with parameters then do like below
in your oncreate method
GetAllCities getallcities = new GetAllCities(); getallcities.execute(this);
outside of your oncreate method
@SuppressWarnings("rawtypes")
public class GetAllCities extends AsyncTask {
@Override
protected void onPreExecute() {
// TODO Auto-generated method stub
super.onPreExecute();
prodialog = new ProgressDialog(mContext);
prodialog.setMessage("Loading");
prodialog.show();
prodialog.setCancelable(false);
}
@Override
protected Object doInBackground(Object... params) {
// TODO Auto-generated method stub
String result;
try {
JsonHttpPost httpPost = new JsonHttpPost();
result = httpPost.post1();
Log.i(tag, "result" + result);
cityparser = new CityParser();
lstcitysetget = cityparser.citysetget(result);
} catch (Exception ex) {
ex.printStackTrace();
}
return lstcitysetget;
}
@SuppressWarnings("unchecked")
@Override
protected void onPostExecute(Object result) {
// TODO Auto-generated method stub
super.onPostExecute(result);
prodialog.dismiss();
// make your adapter here
}
}
put below function in your JosnHTTP class
public String post1() {
String result = null;
try {
HttpParams params = new BasicHttpParams();
HttpConnectionParams.setConnectionTimeout(params, TIMEOUT_MILLISEC);
HttpConnectionParams.setSoTimeout(params, TIMEOUT_MILLISEC);
HttpClient client = new DefaultHttpClient(params);
System.out.println("Getting url: ");
HttpPost post = new HttpPost(serverurl);
try {
JSONObject json = new JSONObject();
json.put("action", "get_all_cities");
post.setEntity(new ByteArrayEntity(json.toString().getBytes(
"UTF8")));
} catch (UnsupportedEncodingException e1) {
e1.printStackTrace();
}
HttpResponse response = client.execute(post);
HttpEntity entity = response.getEntity();
if (entity != null) {
result = EntityUtils.toString(entity);
} else {
Log.d("Response Failed", "Response from server is failed");
}
} catch (Exception ex) {
ex.printStackTrace();
}
return result;
}
this is my parser class
public class CityParser {
public List<String> citysetget(String result) {
String city_id = "", state_id = "", city_name = "";
//List<CityGetterSetter> citysetgetlst = new ArrayList<CityGetterSetter>();
List<String> citysetgetlst = new ArrayList<String>();
CityGetterSetter citysetget = null;
try {
JSONObject jsonObject = new JSONObject(result);
if (jsonObject != null) {
JSONArray objarry = jsonObject.optJSONArray("get_all_cities");
if (objarry != null) {
JSONArray strU_ID = jsonObject
.getJSONArray("get_all_cities");
for (int i = 0; i < strU_ID.length(); i++) {
JSONObject obj = strU_ID.getJSONObject(i);
if (obj.has("city_id")) {
city_id = obj.getString("city_id");
}
if (obj.has("state_id")) {
state_id = obj.getString("state_id");
}
if (obj.has("city_name")) {
city_name = obj.getString("city_name");
}
citysetget = new CityGetterSetter(city_name);
// citysetgetlst.add(citysetget);
citysetgetlst.add(city_name);
}
}
}
Log.i("City Paresr...", "city list.."+ citysetgetlst);
} catch (Exception e) {
e.printStackTrace();
}
return citysetgetlst;
}
}
If more then one parameter then
public String postSearch(String city,String purpose,String people) {
String result = null;
try {
HttpParams params = new BasicHttpParams();
HttpConnectionParams.setConnectionTimeout(params, TIMEOUT_MILLISEC);
HttpConnectionParams.setSoTimeout(params, TIMEOUT_MILLISEC);
HttpClient client = new DefaultHttpClient(params);
System.out.println("Getting url: ");
HttpPost post = new HttpPost(serverurlsearch);
// String body = "{\"action\":\"get_all_cities\"}";
try {
JSONObject json = new JSONObject();
json.put("action", "search_venues_by_purpose");
json.put("city",city);
json.put("purpose",purpose);
json.put("people", people);
post.setEntity(new ByteArrayEntity(json.toString().getBytes(
"UTF8")));
} catch (UnsupportedEncodingException e1) {
e1.printStackTrace();
}
HttpResponse response = client.execute(post);
HttpEntity entity = response.getEntity();
if (entity != null) {
result = EntityUtils.toString(entity);
} else {
Log.d("Response Failed", "Response from server is failed");
}
} catch (Exception ex) {
ex.printStackTrace();
}
return result;
}
in your oncreate method
GetAllCities getallcities = new GetAllCities(); getallcities.execute(this);
outside of your oncreate method
@SuppressWarnings("rawtypes")
public class GetAllCities extends AsyncTask {
@Override
protected void onPreExecute() {
// TODO Auto-generated method stub
super.onPreExecute();
prodialog = new ProgressDialog(mContext);
prodialog.setMessage("Loading");
prodialog.show();
prodialog.setCancelable(false);
}
@Override
protected Object doInBackground(Object... params) {
// TODO Auto-generated method stub
String result;
try {
JsonHttpPost httpPost = new JsonHttpPost();
result = httpPost.post1();
Log.i(tag, "result" + result);
cityparser = new CityParser();
lstcitysetget = cityparser.citysetget(result);
} catch (Exception ex) {
ex.printStackTrace();
}
return lstcitysetget;
}
@SuppressWarnings("unchecked")
@Override
protected void onPostExecute(Object result) {
// TODO Auto-generated method stub
super.onPostExecute(result);
prodialog.dismiss();
// make your adapter here
}
}
put below function in your JosnHTTP class
public String post1() {
String result = null;
try {
HttpParams params = new BasicHttpParams();
HttpConnectionParams.setConnectionTimeout(params, TIMEOUT_MILLISEC);
HttpConnectionParams.setSoTimeout(params, TIMEOUT_MILLISEC);
HttpClient client = new DefaultHttpClient(params);
System.out.println("Getting url: ");
HttpPost post = new HttpPost(serverurl);
try {
JSONObject json = new JSONObject();
json.put("action", "get_all_cities");
post.setEntity(new ByteArrayEntity(json.toString().getBytes(
"UTF8")));
} catch (UnsupportedEncodingException e1) {
e1.printStackTrace();
}
HttpResponse response = client.execute(post);
HttpEntity entity = response.getEntity();
if (entity != null) {
result = EntityUtils.toString(entity);
} else {
Log.d("Response Failed", "Response from server is failed");
}
} catch (Exception ex) {
ex.printStackTrace();
}
return result;
}
this is my parser class
public class CityParser {
public List<String> citysetget(String result) {
String city_id = "", state_id = "", city_name = "";
//List<CityGetterSetter> citysetgetlst = new ArrayList<CityGetterSetter>();
List<String> citysetgetlst = new ArrayList<String>();
CityGetterSetter citysetget = null;
try {
JSONObject jsonObject = new JSONObject(result);
if (jsonObject != null) {
JSONArray objarry = jsonObject.optJSONArray("get_all_cities");
if (objarry != null) {
JSONArray strU_ID = jsonObject
.getJSONArray("get_all_cities");
for (int i = 0; i < strU_ID.length(); i++) {
JSONObject obj = strU_ID.getJSONObject(i);
if (obj.has("city_id")) {
city_id = obj.getString("city_id");
}
if (obj.has("state_id")) {
state_id = obj.getString("state_id");
}
if (obj.has("city_name")) {
city_name = obj.getString("city_name");
}
citysetget = new CityGetterSetter(city_name);
// citysetgetlst.add(citysetget);
citysetgetlst.add(city_name);
}
}
}
Log.i("City Paresr...", "city list.."+ citysetgetlst);
} catch (Exception e) {
e.printStackTrace();
}
return citysetgetlst;
}
}
If more then one parameter then
public String postSearch(String city,String purpose,String people) {
String result = null;
try {
HttpParams params = new BasicHttpParams();
HttpConnectionParams.setConnectionTimeout(params, TIMEOUT_MILLISEC);
HttpConnectionParams.setSoTimeout(params, TIMEOUT_MILLISEC);
HttpClient client = new DefaultHttpClient(params);
System.out.println("Getting url: ");
HttpPost post = new HttpPost(serverurlsearch);
// String body = "{\"action\":\"get_all_cities\"}";
try {
JSONObject json = new JSONObject();
json.put("action", "search_venues_by_purpose");
json.put("city",city);
json.put("purpose",purpose);
json.put("people", people);
post.setEntity(new ByteArrayEntity(json.toString().getBytes(
"UTF8")));
} catch (UnsupportedEncodingException e1) {
e1.printStackTrace();
}
HttpResponse response = client.execute(post);
HttpEntity entity = response.getEntity();
if (entity != null) {
result = EntityUtils.toString(entity);
} else {
Log.d("Response Failed", "Response from server is failed");
}
} catch (Exception ex) {
ex.printStackTrace();
}
return result;
}
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