Android Open Source - eVent Make Event Activity

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Back to project page eVent.

License

The source code is released under:

Apache License

Java Source Code

package com.example.maps;
//from   w  w w  .  j  a va  2 s.c  o m
import android.content.Context;
import android.content.Intent;
import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentActivity;
import android.util.DisplayMetrics;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.EditText;
import android.widget.RelativeLayout;
import android.widget.Toast;

import com.google.android.gms.maps.CameraUpdateFactory;
import com.google.android.gms.maps.GoogleMap;
import com.google.android.gms.maps.GoogleMap.OnInfoWindowClickListener;
import com.google.android.gms.maps.GoogleMap.OnMapClickListener;
import com.google.android.gms.maps.GoogleMap.OnMarkerClickListener;
import com.google.android.gms.maps.MapFragment;
import com.google.android.gms.maps.Projection; //projections are used to get points on screen
import com.google.android.gms.maps.model.LatLng;
import com.google.android.gms.maps.model.Marker;
import com.google.android.gms.maps.model.MarkerOptions;
//used to make custom marker images

public class MakeEventActivity extends FragmentActivity implements OnMapClickListener, OnMarkerClickListener, OnInfoWindowClickListener{

  eventMarker temp;
  ArrayOfEvents events;
    
  private GoogleMap googleMap;
  Projection projection;
  DisplayMetrics metrics;
  
  static int screen_height;
  static int screen_width;
  
  private LocationManager locationManager;
  
  private static final String LOG_TAG = "Make Event Activity";
  
  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_make_event);
    
    locationManager = (LocationManager) this.getSystemService(Context.LOCATION_SERVICE);    
    locationManager.requestLocationUpdates(LocationManager.NETWORK_PROVIDER, 0, 0, networkLocationListener);
    locationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, 0, 0, gpsLocationListener);
    RelativeLayout relativeLayout = (RelativeLayout) findViewById(R.id.relativeLayout);
    relativeLayout.setVisibility(View.GONE); //don't display map until it is moved to our location
        try {
            // Loading map
            initilizeMap();
 
        } catch (Exception e) {
            e.printStackTrace();
        }
  }
  
  // Define a listener that responds to location updates
  LocationListener networkLocationListener = new LocationListener() {
      public void onLocationChanged(Location location) {
        // Calls your function that uses the location.
        if (googleMap != null){
            googleMap.moveCamera(CameraUpdateFactory.newLatLngZoom(new LatLng(location.getLatitude(), location.getLongitude()), 15));
          locationManager.removeUpdates(this);
        RelativeLayout relativeLayout = (RelativeLayout) findViewById(R.id.relativeLayout);
        relativeLayout.setVisibility(View.VISIBLE);
        }
      }

      public void onStatusChanged(String provider, int status, Bundle extras) {}
      public void onProviderEnabled(String provider) {}
      public void onProviderDisabled(String provider) {}
    };
    
  // Define a listener that responds to location updates
  LocationListener gpsLocationListener = new LocationListener() {
      public void onLocationChanged(Location location) {}
      public void onStatusChanged(String provider, int status, Bundle extras) {}
      public void onProviderEnabled(String provider) {}
      public void onProviderDisabled(String provider) {}
    };

  @Override
  public boolean onCreateOptionsMenu(Menu menu) {

    // Inflate the menu; this adds items to the action bar if it is present.
    getMenuInflater().inflate(R.menu.make_event, menu);
    return true;
  }

  @Override
  public boolean onOptionsItemSelected(MenuItem item) {
    // Handle action bar item clicks here. The action bar will
    // automatically handle clicks on the Home/Up button, so long
    // as you specify a parent activity in AndroidManifest.xml.
    int id = item.getItemId();
    if (id == R.id.action_settings) {
      return true;
    }
    return super.onOptionsItemSelected(item);
  }

  /**
   * A placeholder fragment containing a simple view.
   */
  public static class PlaceholderFragment extends Fragment {

    public PlaceholderFragment() {
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
        Bundle savedInstanceState) {
      View rootView = inflater.inflate(R.layout.fragment_make_event,
          container, false);
      return rootView;
    }
  }
  
    /**
     * function to load map. If map is not created it will create it for you
     * */
    private void initilizeMap() {
        if (googleMap == null) {
            googleMap = ((MapFragment) getFragmentManager().findFragmentById(
                    R.id.map)).getMap();
 
            // check if map is created successfully or not
            if (googleMap == null) {
                Toast.makeText(getApplicationContext(),
                        "Sorry! unable to create maps", Toast.LENGTH_SHORT)
                        .show();
            }
            else
            {
              projection = googleMap.getProjection();
          googleMap.setOnMapClickListener(this);
          googleMap.setOnMarkerClickListener(this);
          googleMap.setOnInfoWindowClickListener(this);
          googleMap.setMyLocationEnabled(true);
          getFragmentManager().findFragmentById(R.id.map).setRetainInstance(true);
            }
            
        //googleMap.setOnMarkerClickListener(googleMap);
        
        metrics = new DisplayMetrics();
        getWindowManager().getDefaultDisplay().getMetrics(metrics);
        screen_width = metrics.widthPixels;
        screen_height = metrics.heightPixels;
        }
    }
 
    @Override
    protected void onResume() {
        super.onResume();
      events = ArrayOfEvents.getInstance(this);
      Log.i(LOG_TAG, events.toString());
        initilizeMap();
        temp = eventMarker.getInstance(this);
        googleMap.clear();
        for(int i = 0; i < events.eventsArray.size(); i++)
        googleMap.addMarker(new MarkerOptions().position(events.eventsArray.get(i).Loc).title(events.eventsArray.get(i).Title));
    }  
    
    @Override
    protected void onDestroy(){
      locationManager.removeUpdates(gpsLocationListener);
      super.onDestroy();
    }
    
    @Override
    public void onMapClick (LatLng point)
    {
      temp = eventMarker.getInstance(this);
      temp.Loc = point;
       
      Intent intent = new Intent(this, EventDetails.class);
    startActivity(intent);
    }
    
  public void onClickTitleEditText(View v)
  {
    EditText tempText = (EditText)findViewById(R.id.editText1);
    tempText.getText().clear();
  }

  @Override
  public boolean onMarkerClick(Marker arg0) {
    return false;
  }
  
    @Override
    public void onInfoWindowClick(Marker marker) {
      for(int i = 0; i < events.eventsArray.size(); i++){
        if(events.eventsArray.get(i).Loc.equals(marker.getPosition()) && events.eventsArray.get(i).Title.equals(marker.getTitle())){
          temp.Title = events.eventsArray.get(i).Title;
          temp.Description = events.eventsArray.get(i).Description;
          temp.Loc = events.eventsArray.get(i).Loc;
          temp.deadline = events.eventsArray.get(i).deadline;
          break;
        }
      }
      Intent intent = new Intent(this, ViewTaskActivity.class);
      startActivity(intent);
    }

}

Java Source Code List

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