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- import android.app.ProgressDialog;
- import android.content.Intent;
- import android.support.v7.app.AppCompatActivity;
- import android.os.Bundle;
- import android.text.Editable;
- import android.text.TextWatcher;
- import android.view.Menu;
- import android.view.MenuInflater;
- import android.view.View;
- import android.widget.AdapterView;
- import android.widget.EditText;
- import android.widget.ListAdapter;
- import android.widget.ListView;
- import android.widget.SimpleAdapter;
- import com.android.volley.Request;
- import com.android.volley.Response;
- import com.android.volley.VolleyError;
- import com.android.volley.toolbox.JsonObjectRequest;
- import org.json.JSONArray;
- import org.json.JSONException;
- import org.json.JSONObject;
- import java.util.ArrayList;
- import java.util.HashMap;
- import java.util.List;
- public class grabedDb extends AppCompatActivity {
- EditText grabResults;
- String url = "http://MY_URL_HERE";
- ArrayList<HashMap<String, String>> Item_List;
- ProgressDialog PD;
- ArrayAdapter adapter;
- // JSON Node names
- public static final String ITEM_ID = "name";
- public static final String ITEM_NAME = "rate";
- @Override
- protected void onCreate(Bundle savedInstanceState) {
- super.onCreate(savedInstanceState);
- setContentView(R.layout.activity_grabed_db);
- grabResults = (EditText) findViewById(R.id.grabed_et_search);
- grabResults.addTextChangedListener(new TextWatcher() {
- @Override
- public void beforeTextChanged(CharSequence s, int start, int count, int after) {
- }
- @Override
- public void onTextChanged(CharSequence s, int start, int before, int count) {
- //perform Search
- if (s.toString().equals("")){
- //Reset List
- ReadDataFromDB();
- } else {
- grabedDb.this.adapter.getFilter().filter(s);
- }
- }
- @Override
- public void afterTextChanged(Editable s) {
- }
- });
- Item_List = new ArrayList<HashMap<String, String>>();
- PD = new ProgressDialog(this);
- PD.setMessage("Please Wait...");
- PD.setCancelable(false);
- ReadDataFromDB();
- }
- @Override
- public boolean onCreateOptionsMenu(Menu menu) {
- MenuInflater inflater = getMenuInflater();
- inflater.inflate(R.menu.activity_main_actions, menu);
- return super.onCreateOptionsMenu(menu);
- }
- private void ReadDataFromDB() {
- PD.show();
- JsonObjectRequest jreq = new JsonObjectRequest(Request.Method.GET, url,
- new Response.Listener<JSONObject>() {
- @Override
- public void onResponse(JSONObject response) {
- try {
- int success = response.getInt("success");
- if (success == 1) {
- JSONArray ja = response.getJSONArray("mydrugs");
- for (int i = 0; i < ja.length(); i++) {
- JSONObject jobj = ja.getJSONObject(i);
- HashMap<String, String> item = new HashMap<String, String>();
- item.put(ITEM_ID, jobj.getString(ITEM_ID));
- item.put(ITEM_NAME,
- jobj.getString(ITEM_NAME));
- Item_List.add(item);
- } // for loop ends
- String[] from = { ITEM_ID, ITEM_NAME };
- int[] to = { R.id.item_name, R.id.item_id };
- adapter = new SimpleAdapter(
- getApplicationContext(), Item_List,
- R.layout.list_items, from, to);
- ListView myList = (ListView) findViewById(R.id.list_list_listView);
- myList.setAdapter(adapter);
- PD.dismiss();
- myList.setOnItemClickListener(new AdapterView.OnItemClickListener(){
- @Override
- public void onItemClick(AdapterView<?> parent, View view, int position,
- long id) {
- Intent modify_intent = new Intent(grabedDb.this,
- updatedata.class);
- modify_intent.putExtra("item", Item_List.get(position));
- startActivity(modify_intent);
- }
- });
- } // if ends
- } catch (JSONException e) {
- e.printStackTrace();
- }
- }
- }, new Response.ErrorListener() {
- @Override
- public void onErrorResponse(VolleyError error) {
- PD.dismiss();
- }
- });
- // Adding request to request queue
- MyApplication.getInstance().addToReqQueue(jreq);
- }
- }
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