Android Open Source - E-merg Add Center Fragment

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License

The source code is released under:

Apache License

Java Source Code

package com.e_merg.fragments;
// w  w  w.  j a  v  a2 s . co m
import java.util.ArrayList;
import java.util.List;

import org.apache.http.NameValuePair;
import org.apache.http.message.BasicNameValuePair;
import org.json.JSONException;
import org.json.JSONObject;

import android.app.Activity;
import android.app.ProgressDialog;
import android.os.AsyncTask;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.Spinner;
import android.widget.Toast;

import com.e_merg.R;
import com.e_merg.activities.MainActivity;
import com.e_merg.adapters.SpinnerCategoryAdapter;
import com.e_merg.interfaces.OnChangeFragmentListener;
import com.e_merg.types.ServiceHandler;
import com.google.android.gms.maps.model.LatLng;

public class AddCenterFragment extends Fragment implements OnClickListener{
//Will trigger AddServices
  OnChangeFragmentListener fragmentListener;
  
  LinearLayout llFirst,llSecond,llThird;
  EditText editPhone1,editPhone2,editPhone3,editEmail,editName;
  Spinner spCategory;
  ImageView imgAdd1,imgAdd2,imgDel2,imgDel3;
  Button btnNext;
  
  SpinnerCategoryAdapter spinnerAdapter;
  
  private static String url = "http://www.sharemiale.info.ke/emerg_api/index.php";
  private ProgressDialog pDialog;
  
  private static final String TAG_REQ = "add-center";
  private String name,email,category,phone1,phone2,phone3;
  private Double lat,lon;
  

    private static String TAG_SUCCESS = "success";
    private static String TAG_SUCCESS_MSG = "success_msg";
    private static String TAG_ERROR = "error";
    private static String TAG_ERROR_MSG = "error_msg";
    private static String TAG_CENTER_NO = "center_no";
  
  @Override
  public View onCreateView(LayoutInflater inflater, ViewGroup container,
      Bundle savedInstanceState) {
    // TODO Auto-generated method stub
    return inflater.inflate(R.layout.fragment_add_center, container,false);
  }
  
  @Override
  public void onActivityCreated(Bundle savedInstanceState) {
    // TODO Auto-generated method stub
    super.onActivityCreated(savedInstanceState);
    
    if(savedInstanceState != null){
      lat = savedInstanceState.getDouble("lat");
      lon = savedInstanceState.getDouble("lon");
    }else{
      name=email=category=phone1=phone2=phone3="";
    }
    
    llFirst = (LinearLayout)getView().findViewById(R.id.llFirst);
    llSecond = (LinearLayout)getView().findViewById(R.id.llSecond);
    llThird = (LinearLayout)getView().findViewById(R.id.llThird);
    editPhone1 = (EditText)getView().findViewById(R.id.editPhone1);
    editPhone2 = (EditText)getView().findViewById(R.id.editPhone2);
    editPhone3 = (EditText)getView().findViewById(R.id.editPhone3);
    editEmail = (EditText)getView().findViewById(R.id.editEmail);
    editName = (EditText)getView().findViewById(R.id.editName);
    spCategory = (Spinner)getView().findViewById(R.id.spCategory);
    imgAdd1 = (ImageView)getView().findViewById(R.id.imgAdd1);
    imgAdd2 = (ImageView)getView().findViewById(R.id.imgAdd2);
    imgDel2 = (ImageView)getView().findViewById(R.id.imgDelete2);
    imgDel3 = (ImageView)getView().findViewById(R.id.imgDelete3);
    btnNext = (Button)getView().findViewById(R.id.btnNext);
    
    spinnerAdapter = new SpinnerCategoryAdapter(getActivity(), getResources().getString(R.string.spCategoryHeader));
    
    String[] rawCategories = getResources().getStringArray(R.array.array_category);
    spinnerAdapter.setListData(rawCategories);
    spCategory.setAdapter(spinnerAdapter);
    
    imgAdd1.setOnClickListener(this);
    imgAdd2.setOnClickListener(this);
    imgDel2.setOnClickListener(this);
    imgDel3.setOnClickListener(this);
    btnNext.setOnClickListener(this);
  }

  public void setLocation(LatLng coord){
    lat = coord.latitude;
    lon = coord.longitude;
  }
  
  
  
  @Override
  public void onSaveInstanceState(Bundle outState) {
    // TODO Auto-generated method stub
    outState.putDouble("lat", lat);
    outState.putDouble("lon", lon);
    super.onSaveInstanceState(outState);
  }

  @Override
  public void onAttach(Activity activity) {
    // TODO Auto-generated method stub
    super.onAttach(activity);
    try {
            fragmentListener = (OnChangeFragmentListener)activity;
        }catch (ClassCastException e) {
            throw new ClassCastException(activity.toString() + " must implement OnChangeFragmentListener");
        }
  }
  

  @Override
  public void onDetach() {
    // TODO Auto-generated method stub
    fragmentListener = null;
    super.onDetach();
  }

  @Override
  public void onClick(View v) {
    // TODO Auto-generated method stub
    if(v == imgAdd1){
      if(!llSecond.isShown()){
        llSecond.setVisibility(View.VISIBLE);
      }
      
    }else if(v == imgAdd2){
      if(!llThird.isShown()){
        llThird.setVisibility(View.VISIBLE);
      }
      
    }else if(v == imgDel2){
      if(llSecond.isShown()){
        llSecond.setVisibility(View.GONE);
      }
      
    }else if(v == imgDel3){
      if(llThird.isShown()){
        llThird.setVisibility(View.GONE);
      }
      
    }else if(v == btnNext){
      //pick details and send online
      name = editName.getText().toString().trim();
      email = editEmail.getText().toString().trim();
      category = (String) spCategory.getSelectedItem().toString();
      phone1 = editPhone1.getText().toString().trim();
      phone2 = editPhone2.getText().toString().trim();
      phone3 = editPhone3.getText().toString().trim();
      
      if(name.equalsIgnoreCase("") || phone1.equalsIgnoreCase("")){
        
        Toast.makeText(getActivity(), "Enter name, category, email and atleast phone1", Toast.LENGTH_SHORT).show();
        
      }else{
        new AddCenterContact().execute();
      }
      
      //fragmentListener.onChangeFragment(new AddServicesFragment());
    }
  }
  
  
  private class AddCenterContact extends AsyncTask<String, String, String> {

        @Override
        protected void onPreExecute(){
            super.onPreExecute();
            //showing progress dialog
            pDialog = new ProgressDialog(getActivity());
            pDialog.setMessage("Please wait...");
            pDialog.setCancelable(false);
            pDialog.show();
        }


        @Override
        protected String doInBackground(String... params) {
            // TODO Auto-generated method stub
            //Creating service handler class instance
            ServiceHandler sh = new ServiceHandler();
            
            List<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>();
            nameValuePairs.add(new BasicNameValuePair("req", TAG_REQ));
            nameValuePairs.add(new BasicNameValuePair("name", name));
            nameValuePairs.add(new BasicNameValuePair("lat", String.valueOf(lat)));
            nameValuePairs.add(new BasicNameValuePair("lon", String.valueOf(lon)));
            nameValuePairs.add(new BasicNameValuePair("email", email));
            nameValuePairs.add(new BasicNameValuePair("cat", category));
            nameValuePairs.add(new BasicNameValuePair("phone1", phone1));
            nameValuePairs.add(new BasicNameValuePair("phone2", phone2));
            nameValuePairs.add(new BasicNameValuePair("phone3", phone3));
            
            //Making a request to url and getting response
            String jsonStr = sh.makeServiceCall(url, ServiceHandler.POST,nameValuePairs);

            //shows the response gotten from the http request
            Log.d("Response: "," > "+jsonStr);

            if(jsonStr != null){

                try {
                    JSONObject jsonObj = new JSONObject(jsonStr);
                  String success = jsonObj.getString(TAG_SUCCESS);
                  if(success != null && success.equalsIgnoreCase("1")){ 
                      /*
                      centers = jsonObj.getJSONArray(TAG_CENTERS);
  
                      //looping through all items
                      for(int i=0;i<centers.length();i++){
                          JSONObject s = centers.getJSONObject(i);
  
                          //String id = s.getString(TAG_ID);
                          String name = s.getString(TAG_NAME);
                          String lat = s.getString(TAG_LAT);
                          String lon = s.getString(TAG_LON);
  
                      }*/
                      MainActivity.currentCenterNo = jsonObj.getString(TAG_CENTER_NO);
                      
  
                      return jsonObj.getString(TAG_SUCCESS_MSG);
              }else{
                String error = jsonObj.getString(TAG_ERROR);
                if(error != null && error.equalsIgnoreCase("1")){  
                  return jsonObj.getString(TAG_ERROR_MSG);
                }else{
                  return "";
                }
              }
                } catch (JSONException e) {
                    // TODO Auto-generated catch block
                    e.printStackTrace();
                    return "";
                }

            }else{
                return "";
            }

        }


        @Override
        protected void onPostExecute(String result){
            super.onPostExecute(result);

            if(pDialog.isShowing()){
                pDialog.dismiss();
            }


            if(!result.equalsIgnoreCase("") && result.equalsIgnoreCase("Center added")){
              Toast.makeText(getActivity(), result, Toast.LENGTH_SHORT).show();
              fragmentListener.onChangeFragment(new AddServicesFragment());
              
            }else{
                Toast.makeText(getActivity(), "Center Not Added", Toast.LENGTH_SHORT).show();
            }

        }


    }
  
}//END OF CLASS AddCenterFragment

Java Source Code List

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