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- package rjj.tutorial_jsonandlistview;
- import android.content.Intent;
- import android.os.AsyncTask;
- import android.support.v7.app.AppCompatActivity;
- import android.os.Bundle;
- import android.view.View;
- import android.widget.TextView;
- import android.widget.Toast;
- import java.io.BufferedReader;
- import java.io.IOException;
- import java.io.InputStream;
- import java.io.InputStreamReader;
- import java.net.HttpURLConnection;
- import java.net.MalformedURLException;
- import java.net.URL;
- public class MainActivity extends AppCompatActivity {
- String Json_STRING;
- @Override
- protected void onCreate(Bundle savedInstanceState) {
- super.onCreate(savedInstanceState);
- setContentView(R.layout.activity_main);
- new BackgroundTask().execute();
- //new line
- }
- class BackgroundTask extends AsyncTask<Void, Void, String> {
- String json_url;
- String JSON_STRING;
- @Override
- protected void onPreExecute() {
- json_url = "http://10.0.2.2/rizal22.php";
- }
- @Override
- protected String doInBackground(Void... params) {
- try {
- URL url = new URL(json_url);
- HttpURLConnection httpURLConnection = (HttpURLConnection) url.openConnection();
- InputStream inputStream = httpURLConnection.getInputStream();
- BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(inputStream));
- StringBuilder stringBuilder = new StringBuilder();
- while ((JSON_STRING = bufferedReader.readLine()) != null) {
- stringBuilder.append(JSON_STRING + "n");
- }
- bufferedReader.close();
- inputStream.close();
- httpURLConnection.disconnect();
- return stringBuilder.toString().trim();
- } catch (MalformedURLException e) {
- e.printStackTrace();
- } catch (IOException e) {
- e.printStackTrace();
- }
- return null;
- }
- @Override
- protected void onProgressUpdate(Void... values) {
- super.onProgressUpdate(values);
- }
- @Override
- protected void onPostExecute(String result) {
- TextView textView = (TextView)findViewById(R.id.textView2);
- textView.setText(result);
- Json_STRING = result;
- }
- }
- //List view time!
- public void parseJSON(View view) {
- if(Json_STRING == null){
- Toast.makeText(getApplicationContext(), "First Get JSON", Toast.LENGTH_SHORT).show();
- }else{
- Intent intent = new Intent(this, DisplayListView.class);
- intent.putExtra("json_data", Json_STRING);
- startActivity(intent);
- }
- }
- }
- package rjj.tutorial_jsonandlistview;
- import android.content.Intent;
- import android.support.v7.app.AppCompatActivity;
- import android.os.Bundle;
- import android.view.View;
- import android.widget.AdapterView;
- import android.widget.ListView;
- import android.widget.SearchView;
- import android.widget.TextView;
- import org.json.JSONArray;
- import org.json.JSONException;
- import org.json.JSONObject;
- public class DisplayListView extends AppCompatActivity {
- String json_string;
- JSONObject jsonObject;
- JSONArray jsonArray;
- ContactAdapter contactAdapter;
- ListView listView;
- SearchView sv;
- @Override
- protected void onCreate(Bundle savedInstanceState) {
- super.onCreate(savedInstanceState);
- setContentView(R.layout.display_listview_layout);
- listView = (ListView)findViewById(R.id.listview);
- contactAdapter = new ContactAdapter(this,R.layout.row_layout);
- listView.setAdapter(contactAdapter);
- json_string = getIntent().getExtras().getString("json_data");
- listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
- @Override
- public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
- TextView textView = (TextView) view.findViewById(R.id.tx_id);
- String text = textView.getText().toString();
- Intent intent = new Intent(DisplayListView.this, Update.class);
- intent.putExtra("id", text);
- //new line
- intent.putExtra("json_data", json_string);
- startActivity(intent);
- }
- });
- //Searchview
- sv = (SearchView)findViewById(R.id.search);
- sv.setOnQueryTextListener(new SearchView.OnQueryTextListener() {
- @Override
- public boolean onQueryTextSubmit(String query) {
- return false;
- }
- @Override
- public boolean onQueryTextChange(String newText) {
- contactAdapter.getFilter(
- ).filter(newText);
- listView.setFilterText(newText);
- return true;
- }
- });
- //End of Searchview
- try {
- jsonObject = new JSONObject(json_string);
- jsonArray = jsonObject.getJSONArray("server_response");
- int count = 0;
- String id ,firstname , surname, age , username, password;
- while(count<jsonArray.length()){
- JSONObject JO = jsonArray.getJSONObject(count);
- id = JO.getString("id");
- firstname = JO.getString("PLATE_NUM");
- surname = JO.getString("PUV_TYPE");
- Contacts contact = new Contacts(id, firstname, surname);
- contactAdapter.add(contact);
- count++;
- }
- } catch (JSONException e) {
- e.printStackTrace();
- }
- }
- }
- package rjj.tutorial_jsonandlistview;
- /**
- * Created by Julian on 7/20/2017.
- */
- public class Contacts {
- private String id,firstname,surname,age,username,password;
- public Contacts(String id, String firstname, String surname){
- this.setId(id);
- this.setFirstname(firstname);
- this.setSurname(surname);
- }
- public String getId() {
- return id;
- }
- public void setId(String id) {
- this.id = id;
- }
- public String getFirstname() {
- return firstname;
- }
- public void setFirstname(String firstname) {
- this.firstname = firstname;
- }
- public String getSurname() {
- return surname;
- }
- public void setSurname(String surname) {
- this.surname = surname;
- }
- }
- package rjj.tutorial_jsonandlistview;
- import android.content.Context;
- import android.support.annotation.LayoutRes;
- import android.support.annotation.NonNull;
- import android.support.annotation.Nullable;
- import android.view.LayoutInflater;
- import android.view.View;
- import android.view.ViewGroup;
- import android.widget.ArrayAdapter;
- import android.widget.TextView;
- import java.util.ArrayList;
- import java.util.List;
- /**
- * Created by Julian on 7/20/2017.
- */
- public class ContactAdapter extends ArrayAdapter {
- List list = new ArrayList();
- public ContactAdapter(@NonNull Context context, @LayoutRes int resource) {
- super(context, resource);
- }
- public void add(Contacts object) {
- super.add(object);
- list.add(object);
- }
- @Override
- public int getCount() {
- return list.size();
- }
- @Nullable
- @Override
- public Object getItem(int position) {
- return list.get(position);
- }
- @NonNull
- @Override
- public View getView(int position, @Nullable View convertView, @NonNull ViewGroup parent) {
- View row;
- row = convertView;
- ContactHolder contactHolder;
- if(row == null){
- LayoutInflater layoutInflater = (LayoutInflater) this.getContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
- row = layoutInflater.inflate(R.layout.row_layout,parent,false);
- contactHolder = new ContactHolder();
- contactHolder.tx_id = (TextView)row.findViewById(R.id.tx_id);
- contactHolder.tx_firstname = (TextView)row.findViewById(R.id.tx_firstname);
- contactHolder.tx_surname = (TextView)row.findViewById(R.id.tx_surname);
- row.setTag(contactHolder);
- } else{
- contactHolder = (ContactHolder)row.getTag();
- }
- Contacts contacts = (Contacts)this.getItem(position);
- contactHolder.tx_id.setText(contacts.getId());
- contactHolder.tx_firstname.setText(contacts.getFirstname());
- contactHolder.tx_surname.setText(contacts.getSurname());
- return row;
- }
- static class ContactHolder{
- TextView tx_id, tx_firstname, tx_surname;
- }
- }
- <?php
- $host='localhost';
- $user='root';
- $password='';
- $db='employee101';
- //Old id $_id = $_POST['id'];
- $sql = "select * from employee_data;";
- //Old line $sql = "select * from employee_data where id = $_id;";
- $con = mysqli_connect($host,$user,$password,$db);
- $result = mysqli_query($con, $sql);
- $response = array();
- while($row = mysqli_fetch_array($result)){
- array_push($response,array("id"=>$row[0],"PLATE_NUM"=>$row[1],"PUV_TYPE"=>$row[2]));
- }
- echo json_encode(array("server_response"=>$response));
- mysqli_close($con);
- ?>
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