Android Open Source - chat.android Setup Visit Activity

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License

The source code is released under:

GNU General Public License

Java Source Code

package org.chat.android;
/* w w  w. j  a v  a 2 s . co  m*/
import java.util.ArrayList;
import java.util.Date;
import java.util.List;

import org.chat.android.models.Household;
import org.chat.android.models.Service;
import org.chat.android.models.Worker;

import com.j256.ormlite.android.apptools.OpenHelperManager;
import com.j256.ormlite.dao.Dao;

import android.app.Activity;
import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.DialogInterface.OnClickListener;
import android.location.Criteria;
import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.os.Bundle;
import android.text.format.Time;
import android.util.Log;
import android.view.View;
import android.widget.ArrayAdapter;
import android.widget.Spinner;
import android.widget.Toast;

public class SetupVisitActivity extends Activity {
  // since we aren't OrmLiteBaseActivity or BaseActivity we can't use getHelper()
    // so we use OpenHelperManager
    private DatabaseHelper databaseHelper = null;
  
  private String workerName;
  private String role;
  private double latitude = 0.0;
    private double longitude = 0.0;
  
  GPSTracker gps;
  
  private Spinner visitTypeSpinner;
  private Spinner householdSpinner;  
  
  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    Context context = getApplicationContext();
    
    Bundle b = getIntent().getExtras();
    workerName = b.getString("workerName");
    role = b.getString("role");

    setContentView(R.layout.activity_setup_visit);
    
    // visit type selection spinner - TODO: how can we put these if conditions in the strings file?
    visitTypeSpinner = (Spinner) findViewById(R.id.visit_type_spinner);
    ArrayAdapter<CharSequence> typeArrayAdapter;
    String[] roleArray = getResources().getStringArray(R.array.role_array);
    if (role.equals(roleArray[0])) {
      typeArrayAdapter = ArrayAdapter.createFromResource(this, R.array.volunteer_visit_type_array, R.layout.login_spinner_item);
    } else if (role.equals(roleArray[1])) {
      typeArrayAdapter = ArrayAdapter.createFromResource(this, R.array.counsellor_visit_type_array, R.layout.login_spinner_item);
    } else {
      // TODO: expand? Also add proper error here
      typeArrayAdapter = ArrayAdapter.createFromResource(this, R.array.volunteer_visit_type_array, R.layout.login_spinner_item);
      BaseActivity.toastHelper(this, "Role is undefined");
    }
    typeArrayAdapter.setDropDownViewResource(R.layout.login_spinner_item);
    visitTypeSpinner.setAdapter(typeArrayAdapter);
    
    // household selections spinner
    householdSpinner = (Spinner) findViewById(R.id.household_spinner);
    ArrayList<String> householdNames = new ArrayList<String>();
    
    // for volunteers
    if (role.equals(roleArray[0])) {
      int workerId = ModelHelper.getWorkerForUsername(getHelper(), workerName).getId();
      List<Household> hList = ModelHelper.getHouseholdsForWorkerId(getHelper(), workerId);
      for (Household h : hList) {
        householdNames.add(h.getHhName());
      }
    }
    // for lay counsellors
    else if (role.equals(roleArray[1])) {
      List<Household> hList = ModelHelper.getAllHouseholds(getHelper());
      for (Household h : hList) {
        householdNames.add(h.getHhName());
      }
    } else {
      Log.e("SetupVisitActivity", "Missing role");
    }

    ArrayAdapter<String> arrayAdapter = new ArrayAdapter<String>(this, R.layout.login_spinner_item, householdNames);
    householdSpinner.setAdapter(arrayAdapter);
    
    // gps location button
    findViewById(R.id.get_gps_button).setOnClickListener(
        new View.OnClickListener() {
          @Override
          public void onClick(View view) {  
            getGPSLocation();
          }
        });
    
    // new visit button
    findViewById(R.id.new_visit_button).setOnClickListener(
      new View.OnClickListener() {
        @Override
        public void onClick(View view) {
          confirmGPS();
        }
      });
  }
  
  @Override
    protected void onDestroy() {
        super.onDestroy();
        if (databaseHelper != null) {
            OpenHelperManager.releaseHelper();
            databaseHelper = null;
        }
    }
    
    private DatabaseHelper getHelper() {
        if (databaseHelper == null) {
            databaseHelper =
                OpenHelperManager.getHelper(this, DatabaseHelper.class);
        }
        return databaseHelper;
    }
  
  private void confirmGPS() {
    if (latitude == 0.0 && longitude == 0.0) {
      String msg = getResources().getString(getResources().getIdentifier("warning_text", "string", getPackageName()));        // GET THIS REDONE WITH NEW TRANSLATIONS
      AlertDialog.Builder builder = new AlertDialog.Builder(this);
        builder.setMessage("GPS has not been recorded. Start visit anyways?")
               .setCancelable(false)
               .setPositiveButton(android.R.string.yes, new DialogInterface.OnClickListener() {
                   public void onClick(DialogInterface dialog, int id) {
                     startVisit();
                   }
               })
               .setNegativeButton(android.R.string.no, new DialogInterface.OnClickListener() {
                   public void onClick(DialogInterface dialog, int id) {
                        dialog.cancel();
                   }
               });
        AlertDialog alert = builder.create();
        alert.show();
    } else {
      startVisit();
    }
  }
  
  private void startVisit() {
    Intent myIntent = new Intent(SetupVisitActivity.this, HomeActivity.class);
    Bundle b = new Bundle();      
    b.putString("hhName",householdSpinner.getSelectedItem().toString());
    b.putString("workerName", workerName);
    b.putString("role", role);
    
    b.putString("type",visitTypeSpinner.getSelectedItem().toString());
    b.putDouble("lat", latitude);
    b.putDouble("lon", longitude);
    myIntent.putExtras(b);
    startActivity(myIntent);
    finish();
  }
  
  public void getGPSLocation() {
    // it's possible that this should be done on a different thread - is this an example of 'working on the UI thread'? Maybe disable the Start new visit button
    String msg = getResources().getString(getResources().getIdentifier("determining_location_text", "string", getPackageName()));
    Toast.makeText(getApplicationContext(), msg, Toast.LENGTH_SHORT).show();
        // create class object
        gps = new GPSTracker(SetupVisitActivity.this);

        // check if GPS enabled      
        if(gps.canGetLocation()){
            latitude = gps.getLatitude();
            longitude = gps.getLongitude();

            String msgCurLoc = getResources().getString(getResources().getIdentifier("current_loc_text", "string", getPackageName()));
            BaseActivity.toastHelper(this, msgCurLoc + " - \nLat: " + latitude + "\nLong: " + longitude);
            
        } else{
            // can't determine location because GPS or Network is not enabled
            gps.showSettingsAlert();
        }
  }

}

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