** Use volley library for GET , POST and network calls it's very simple and efficient **
First create AppController.java
public class AppController extends Application { public static final String TAG = AppController.class.getSimpleName(); private RequestQueue mRequestQueue; private ImageLoader mImageLoader; private static AppController mInstance; @Override public void onCreate() { super.onCreate(); mInstance = this; } public static synchronized AppController getInstance() { return mInstance; } public RequestQueue getRequestQueue() { if (mRequestQueue == null) { mRequestQueue = Volley.newRequestQueue(getApplicationContext()); } return mRequestQueue; } public <T> void addToRequestQueue(Request<T> req, String tag) { req.setTag(TextUtils.isEmpty(tag) ? TAG : tag); getRequestQueue().add(req); } public <T> void addToRequestQueue(Request<T> req) { req.setTag(TAG); getRequestQueue().add(req); } public void cancelPendingRequests(Object tag) { if (mRequestQueue != null) { mRequestQueue.cancelAll(tag); } } public ImageLoader getImageLoader() { getRequestQueue(); if (mImageLoader == null) { mImageLoader = new ImageLoader(this.mRequestQueue, new LruBitmapCache()); } return this.mImageLoader; } public void setConnectivityListener(ConnectivityReceiver.ConnectivityReceiverListener listener) { ConnectivityReceiver.connectivityReceiverListener = listener; } }
Second make POST request
public void Send() { final String First = ""; final String Second = ""; StringRequest stringRequest = new StringRequest(Request.Method.POST, CREATEORDER_URL, new Response.Listener<String>() { @Override public void onResponse(String response) { Log.e("RESPONSE", response); JSONObject jObj = null; try { jObj = new JSONObject(response); String success = jObj.getString("success"); String errorMessage = jObj.getString("message"); if (success.equals("")) { Intent intent = new Intent(SendGiftActivity.this, PayScreenActivity.class); startActivity(intent); finish(); } else { Toast.makeText(SendGiftActivity.this, errorMessage, Toast.LENGTH_LONG).show(); } } catch (JSONException e) { e.printStackTrace(); } // Toast.makeText(SignUpActivity.this, response, Toast.LENGTH_LONG).show(); } }, new Response.ErrorListener() { @Override public void onErrorResponse(VolleyError error) { Toast.makeText(SendGiftActivity.this, error.toString(), Toast.LENGTH_LONG).show(); } }) { @Override protected Map<String, String> getParams() { Map<String, String> params = new HashMap<String, String>(); params.put(KEY_FIRST_PARAMETERS, First); params.put(KEY_SECOND_PARAMETER, Second); return params; } }; RequestQueue requestQueue = Volley.newRequestQueue(this); requestQueue.add(stringRequest); }
Include volley library
compile 'com.android.volley:volley:1.0.0'
Don't forget to add android:name=".AppController" in application tag of manifest file