Java tutorial
package com.haseebelahi.usman; import android.app.ProgressDialog; import android.content.Intent; import android.os.Bundle; import android.support.v4.app.Fragment; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.Button; import android.widget.TextView; import android.widget.Toast; import com.android.volley.DefaultRetryPolicy; import com.android.volley.Request; import com.android.volley.Response; import com.android.volley.RetryPolicy; import com.android.volley.VolleyError; import com.android.volley.toolbox.StringRequest; import com.android.volley.toolbox.Volley; import org.json.JSONArray; import org.json.JSONException; import org.json.JSONObject; /** * A simple {@link Fragment} subclass. */ public class UserProfile extends Fragment { private String logged_in, driver; private TextView name, username, email, cnic; public UserProfile() { // Required empty public constructor } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { logged_in = getContext().getSharedPreferences("user_login", 0).getString("logged_in", ""); driver = getContext().getSharedPreferences("user_login", 0).getString("driver", ""); // Inflate the layout for this fragment View v = inflater.inflate(R.layout.fragment_user_profile, container, false); name = (TextView) v.findViewById(R.id.name); username = (TextView) v.findViewById(R.id.username); email = (TextView) v.findViewById(R.id.email); cnic = (TextView) v.findViewById(R.id.cninc); if (driver.equals("yes")) { getDriverDetails(); } else { getUserDetails(); } final Button change_pass = (Button) v.findViewById(R.id.change_pass); change_pass.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { startActivity(new Intent(getActivity(), ChangePassword.class)); } }); return v; } public void getUserDetails() { String url = "http://asfand.danglingpixels.com/taxi/app/get_user.php?user_id=" + logged_in; //showing dialog box final ProgressDialog progressDialog = new ProgressDialog(this.getActivity(), R.style.AppTheme_Dark_Dialog); progressDialog.setIndeterminate(true); progressDialog.setMessage("Updating..."); progressDialog.show(); // Request a string response StringRequest stringRequest = new StringRequest(Request.Method.GET, url, new Response.Listener<String>() { @Override public void onResponse(String response) { // Result handling System.out.println(response); progressDialog.dismiss(); try { JSONArray jsonArray = new JSONArray(response); JSONObject jsonObject = jsonArray.getJSONObject(0); name.setText("Name: " + jsonObject.getString("name")); username.setText("Username: " + jsonObject.getString("username")); email.setText("Email: " + jsonObject.getString("email")); cnic.setText("CNIC: " + jsonObject.getString("cnic")); } catch (JSONException e) { e.printStackTrace(); } } }, new Response.ErrorListener() { @Override public void onErrorResponse(VolleyError error) { // Error handling System.out.println("Something went wrong!"); error.printStackTrace(); progressDialog.dismiss(); Toast.makeText(getContext(), "FAILED TO CONNECT", Toast.LENGTH_LONG).show(); } }); // Add the request to the queue int socketTimeout = 30000;//30 seconds - change to what you want RetryPolicy policy = new DefaultRetryPolicy(socketTimeout, DefaultRetryPolicy.DEFAULT_MAX_RETRIES, DefaultRetryPolicy.DEFAULT_BACKOFF_MULT); stringRequest.setRetryPolicy(policy); Volley.newRequestQueue(this.getContext()).add(stringRequest); } public void getDriverDetails() { String url = "http://asfand.danglingpixels.com/taxi/app/get_driver.php?user_id=" + logged_in; //showing dialog box final ProgressDialog progressDialog = new ProgressDialog(this.getActivity(), R.style.AppTheme_Dark_Dialog); progressDialog.setIndeterminate(true); progressDialog.setMessage("Updating..."); progressDialog.show(); // Request a string response StringRequest stringRequest = new StringRequest(Request.Method.GET, url, new Response.Listener<String>() { @Override public void onResponse(String response) { // Result handling System.out.println(response); progressDialog.dismiss(); try { JSONArray jsonArray = new JSONArray(response); JSONObject jsonObject = jsonArray.getJSONObject(0); name.setText("Name: " + jsonObject.getString("name")); username.setText("License: " + jsonObject.getString("license")); email.setText("Mobile: " + jsonObject.getString("mobile")); cnic.setText(""); } catch (JSONException e) { e.printStackTrace(); } } }, new Response.ErrorListener() { @Override public void onErrorResponse(VolleyError error) { // Error handling System.out.println("Something went wrong!"); error.printStackTrace(); progressDialog.dismiss(); Toast.makeText(getContext(), "FAILED TO CONNECT", Toast.LENGTH_LONG).show(); } }); // Add the request to the queue int socketTimeout = 30000;//30 seconds - change to what you want RetryPolicy policy = new DefaultRetryPolicy(socketTimeout, DefaultRetryPolicy.DEFAULT_MAX_RETRIES, DefaultRetryPolicy.DEFAULT_BACKOFF_MULT); stringRequest.setRetryPolicy(policy); Volley.newRequestQueue(this.getContext()).add(stringRequest); } }