Java tutorial
package com.ateam.alleneatonautorentals; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import org.apache.http.NameValuePair; import org.apache.http.message.BasicNameValuePair; import org.json.JSONArray; import org.json.JSONException; import org.json.JSONObject; import com.ateam.alleneatonautorentals.SalesViewReservations.LoadAllUserRes; import android.app.ListActivity; import android.app.ProgressDialog; import android.content.Intent; import android.os.AsyncTask; import android.os.Bundle; import android.util.Log; import android.view.Menu; import android.view.View; import android.widget.AdapterView; import android.widget.ListAdapter; import android.widget.ListView; import android.widget.SimpleAdapter; import android.widget.TextView; import android.widget.Toast; import android.widget.AdapterView.OnItemClickListener; public class SalesViewCheckedOutCars extends ListActivity { private ProgressDialog progressDialog; JSONParser jsonParser = new JSONParser(); ArrayList<HashMap<String, String>> resList; private static final String RES_URL = "http://people.eecs.ku.edu/~kwu96/ATeamScripts/list_checkedout_cars.php"; private static final String TAG_SUCCESS = "success"; private static final String TAG_RESERVATIONS = "reservations"; private static final String TAG_CARID = "car_id"; private static final String TAG_GPS = "GPS"; private static final String TAG_CHILDSEAT = "child_seat"; private static final String TAG_KTAG = "k_tag"; private static final String TAG_ASSISTANCE = "assistance"; private static final String TAG_DINSURANCE = "damage_insurance"; private static final String TAG_AINSURANCE = "accident_insurance"; private static final String TAG_START = "start_date"; private static final String TAG_END = "end_date"; private static final String TAG_CITY = "city"; private static final String TAG_STATE = "state"; private static final String TAG_CARTYPE = "car_type"; private static final String TAG_CARMAKE = "car_make"; private static final String TAG_CARMODEL = "car_model"; private static final String TAG_CARLICENSE = "car_license_plate"; private String userEmail; private String name; private String key; JSONArray res = null; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.view_reservations); Intent getIntent = getIntent(); userEmail = getIntent.getStringExtra("email"); key = getIntent.getStringExtra("key"); name = getIntent.getStringExtra("name"); resList = new ArrayList<HashMap<String, String>>(); new LoadAllUserRes().execute(); ListView lv = getListView(); lv.setOnItemClickListener(new OnItemClickListener() { @Override public void onItemClick(AdapterView<?> parent, View view, int position, long id) { String gps = ((TextView) view.findViewById(R.id.carres_GPS_list)).getText().toString(); String child_seat = ((TextView) view.findViewById(R.id.carres_child_seat_list)).getText() .toString(); String k_tag = ((TextView) view.findViewById(R.id.carres_k_tag_list)).getText().toString(); String assistance = ((TextView) view.findViewById(R.id.carres_assistance_list)).getText() .toString(); String dinsurance = ((TextView) view.findViewById(R.id.carres_dinsurance_list)).getText() .toString(); String ainsurance = ((TextView) view.findViewById(R.id.carres_ainsurance_list)).getText() .toString(); String state = ((TextView) view.findViewById(R.id.carres_state_list)).getText().toString(); String city = ((TextView) view.findViewById(R.id.carres_city_list)).getText().toString(); String start_date = ((TextView) view.findViewById(R.id.carres_start_list)).getText().toString(); String end_date = ((TextView) view.findViewById(R.id.carres_end_list)).getText().toString(); String carid = ((TextView) view.findViewById(R.id.carres_id_list)).getText().toString(); String cartype = ((TextView) view.findViewById(R.id.carres_type_list)).getText().toString(); Intent ii = new Intent(getApplicationContext(), SalesCheckinCar.class); ii.putExtra("carid", carid); ii.putExtra("cartype", cartype); ii.putExtra("state", state); ii.putExtra("city", city); ii.putExtra("start_date", start_date); ii.putExtra("end_date", end_date); ii.putExtra("gps", gps); ii.putExtra("child_seat", child_seat); ii.putExtra("ktag", k_tag); ii.putExtra("assistance", assistance); ii.putExtra("dinsurance", dinsurance); ii.putExtra("ainsurance", ainsurance); ii.putExtra("reservation", "1"); ii.putExtra("email", userEmail); ii.putExtra("key", key); ii.putExtra("name", name); startActivity(ii); finish(); } }); } @Override public boolean onCreateOptionsMenu(Menu menu) { getMenuInflater().inflate(R.menu.main, menu); return true; } class LoadAllUserRes extends AsyncTask<String, String, String> { @Override protected void onPreExecute() { super.onPreExecute(); progressDialog = new ProgressDialog(SalesViewCheckedOutCars.this); progressDialog.setMessage("Loading reservations..."); progressDialog.setIndeterminate(false); progressDialog.setCancelable(false); progressDialog.show(); } @Override protected String doInBackground(String... args) { List<NameValuePair> params = new ArrayList<NameValuePair>(); params.add(new BasicNameValuePair("username", userEmail)); JSONObject json = jsonParser.makeHttpRequest(RES_URL, "POST", params); Log.d("All Reservations: ", json.toString()); try { int success = json.getInt(TAG_SUCCESS); if (success == 1) { res = json.getJSONArray(TAG_RESERVATIONS); for (int i = 0; i < res.length(); i++) { JSONObject c = res.getJSONObject(i); String car_id = c.getString(TAG_CARID); String car_make = c.getString(TAG_CARMAKE); String car_model = c.getString(TAG_CARMODEL); String car_type = c.getString(TAG_CARTYPE); String city = c.getString(TAG_CITY); String state = c.getString(TAG_STATE); String license = c.getString(TAG_CARLICENSE); String start_date = c.getString(TAG_START); String end_date = c.getString(TAG_END); String GPS = c.getString(TAG_GPS); String child_seat = c.getString(TAG_CHILDSEAT); String k_tag = c.getString(TAG_KTAG); String assistance = c.getString(TAG_ASSISTANCE); String dinsurance = c.getString(TAG_DINSURANCE); String ainsurance = c.getString(TAG_AINSURANCE); HashMap<String, String> map = new HashMap<String, String>(); map.put(TAG_CARID, "Car ID: ".concat(car_id)); map.put(TAG_CARMAKE, car_make); map.put(TAG_CARMODEL, "Car Model: ".concat(car_model)); map.put(TAG_CARTYPE, "Car Type: ".concat(car_type)); map.put(TAG_CITY, "Reservation City: ".concat(city)); map.put(TAG_STATE, "Reservation State: ".concat(state)); map.put(TAG_CARLICENSE, "Car License Plate: ".concat(license)); map.put(TAG_START, "Reservation Start Date: ".concat(start_date)); map.put(TAG_END, "Reservation End Date: ".concat(end_date)); map.put(TAG_GPS, "GPS : ".concat(GPS)); map.put(TAG_CHILDSEAT, "Child Seats: ".concat(child_seat)); map.put(TAG_KTAG, "K-tag: ".concat(k_tag)); map.put(TAG_ASSISTANCE, "Roadside Assistance: ".concat(assistance)); map.put(TAG_DINSURANCE, "Loss Damage Waiver Insurance: ".concat(dinsurance)); map.put(TAG_AINSURANCE, "Personal Accident Insurance: ".concat(ainsurance)); resList.add(map); } } else { Intent ii = new Intent(SalesViewCheckedOutCars.this, SalesUserMenu.class); ii.putExtra("email", userEmail); ii.putExtra("key", key); ii.putExtra("name", name); startActivity(ii); finish(); } } catch (JSONException e) { e.printStackTrace(); } return null; } protected void onPostExecute(String message) { progressDialog.dismiss(); if (message != null) { Toast.makeText(SalesViewCheckedOutCars.this, message, Toast.LENGTH_LONG).show(); } else { // Puts all the strings into the list runOnUiThread(new Runnable() { public void run() { ListAdapter adapter = new SimpleAdapter(SalesViewCheckedOutCars.this, resList, R.layout.listitem_reservation, new String[] { TAG_CARID, TAG_GPS, TAG_CHILDSEAT, TAG_KTAG, TAG_ASSISTANCE, TAG_DINSURANCE, TAG_AINSURANCE, TAG_START, TAG_END, TAG_CITY, TAG_STATE, TAG_CARTYPE, TAG_CARMAKE, TAG_CARMODEL, TAG_CARLICENSE }, new int[] { R.id.carres_id_list, R.id.carres_GPS_list, R.id.carres_child_seat_list, R.id.carres_k_tag_list, R.id.carres_assistance_list, R.id.carres_dinsurance_list, R.id.carres_ainsurance_list, R.id.carres_start_list, R.id.carres_end_list, R.id.carres_city_list, R.id.carres_state_list, R.id.carres_type_list, R.id.carres_make_list, R.id.carres_model_list, R.id.carres_license_plate_list }); setListAdapter(adapter); } }); } } } @Override public void onBackPressed() { Intent ii; ii = new Intent(SalesViewCheckedOutCars.this, SalesUserMenu.class); ii.putExtra("email", userEmail); ii.putExtra("key", key); ii.putExtra("name", name); startActivity(ii); finish(); } }