Android Open Source - spots Main Activity

From Project

Back to project page spots.
License

The source code is released under:
MIT License
If you think the Android project spots listed in this page is inappropriate, such as containing malicious code/tools or violating the copyright, please email info at java2s dot com, thanks.
Java Source Code

package com.dcc.matc89.spots.activity;
/*from   ww w.j a v a 2  s .  co m*/
import java.io.Serializable;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;

import android.app.Activity;
import android.app.Dialog;
import android.content.Intent;
import android.content.IntentSender;
import android.location.Location;
import android.os.Bundle;
import android.support.v4.app.DialogFragment;
import android.support.v7.app.ActionBarActivity;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Toast;

import com.dcc.matc89.spots.R;
import com.dcc.matc89.spots.model.Sport;
import com.dcc.matc89.spots.model.Spot;
import com.dcc.matc89.spots.network.FetchSpots;
import com.dcc.matc89.spots.network.FetchSpots.OnSpotsReceiver;
import com.dcc.matc89.spots.view.CheckboxesDropdownView;
import com.dcc.matc89.spots.view.CheckboxesDropdownView.OnDropdownCheckedChangeListener;
import com.google.android.gms.common.ConnectionResult;
import com.google.android.gms.common.GooglePlayServicesClient;
import com.google.android.gms.common.GooglePlayServicesUtil;
import com.google.android.gms.location.LocationClient;
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.SupportMapFragment;
import com.google.android.gms.maps.model.LatLng;
import com.google.android.gms.maps.model.Marker;
import com.google.android.gms.maps.model.MarkerOptions;

// Para que a ActionBar funcione em todas as vers???es ??? necess???rio estender ActionBarActivity ao inv???s de Activity
public class MainActivity extends ActionBarActivity implements
    GooglePlayServicesClient.ConnectionCallbacks,
    GooglePlayServicesClient.OnConnectionFailedListener {
  
  private final static int CONNECTION_FAILURE_RESOLUTION_REQUEST = 9000;
  private LocationClient mLocationClient;
  private SupportMapFragment mapFragment;
  private GoogleMap map;
  private Location mCurrentLocation;
  private Map<Marker,Spot> mMarkerSpot;
  private List<Sport> mSports;
  

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

    mapFragment = (SupportMapFragment) getSupportFragmentManager().findFragmentById(R.id.map);
    map = mapFragment.getMap();
    if(map != null)
      map.setMapType(GoogleMap.MAP_TYPE_HYBRID);
    
    if (servicesConnected()){
      mLocationClient = new LocationClient(this,this,this);
    }

  }

  @Override
  protected void onStart(){
    super.onStart();
    if(mLocationClient != null)
      mLocationClient.connect();
  }
  
  @Override
  protected void onResume() {
    super.onResume();

    loadSpots();
  }

  
  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
    // Inflate the menu; this adds items to the action bar if it is present.
    getMenuInflater().inflate(R.menu.main, menu);
    return true;
  }


  @Override
  public boolean onOptionsItemSelected(MenuItem item) {
    switch (item.getItemId()) {
    case R.id.action_add_spot:
      Intent i = new Intent(this, SpotEditActivity.class);
      startActivity(i);
      break;
    case R.id.action_groups:
      Intent i2 = new Intent(this, MyGroupsListActivity.class);
      startActivity(i2);
      break;

    default:
      break;
    }
    return super.onOptionsItemSelected(item);
  }

  @Override
  public void onConnectionFailed(ConnectionResult connectionResult) {
    if (connectionResult.hasResolution()){
      try {
        connectionResult.startResolutionForResult(this,CONNECTION_FAILURE_RESOLUTION_REQUEST);
      } catch (IntentSender.SendIntentException e) {
        e.printStackTrace();
      }
    } else {
      showErrorDialog(connectionResult.getErrorCode());
    }
  }
  
  @Override
  protected void onActivityResult(int requestCode, int resultCode, Intent data){
    switch(requestCode){
      case CONNECTION_FAILURE_RESOLUTION_REQUEST :
        switch(resultCode) {
          case Activity.RESULT_OK :
            
          break;
        }
      }
  }

  private void showErrorDialog(int errorCode) {
    Toast.makeText(this, "Connection Error ".concat(String.valueOf(errorCode)), Toast.LENGTH_SHORT).show();
  }

  @Override
  public void onConnected(Bundle connectionHint) {
    Toast.makeText(this, "Connected", Toast.LENGTH_SHORT).show();
    mCurrentLocation = mLocationClient.getLastLocation();
    map.setMyLocationEnabled(true);
    
    if (mCurrentLocation != null) {
      LatLng mLocationLatLng = new LatLng(mCurrentLocation.getLatitude(),mCurrentLocation.getLongitude());
      map.moveCamera(CameraUpdateFactory.newLatLngZoom(mLocationLatLng, 15));
    }
  }

  @Override
  public void onDisconnected() {
    Toast.makeText(this, "Disconnected. Please re-connect.", Toast.LENGTH_SHORT).show();
  }
  
  @Override
   protected void onStop(){
    if(mLocationClient != null)
      mLocationClient.disconnect();
    super.onStop();
  }
  
  private boolean servicesConnected() {
    int resultCode = GooglePlayServicesUtil.isGooglePlayServicesAvailable(this);
    ConnectionResult connectionResult = new ConnectionResult(resultCode, null);
    if (resultCode == ConnectionResult.SUCCESS) {
      Log.d("Location Updates", "Google Play services is available.");
      return true;
    } else {
      int errorCode = connectionResult.getErrorCode();
      Dialog errorDialog = GooglePlayServicesUtil.getErrorDialog(errorCode, this, CONNECTION_FAILURE_RESOLUTION_REQUEST);
      if (errorDialog != null) {
        ErrorDialogFragment errorFragment = new ErrorDialogFragment();
        errorFragment.setDialog(errorDialog);
        errorFragment.show(getSupportFragmentManager(), "Location Updates");
      }
    }
    return false;
  }
  
  public static class ErrorDialogFragment extends DialogFragment{
    private Dialog mDialog;
    
    public ErrorDialogFragment(){
      super();
      mDialog = null;
    }
    
    public void setDialog(Dialog dialog) {
      mDialog = dialog;
    }
    
    @Override
    public Dialog onCreateDialog(Bundle savedInstanceState){
      return mDialog;
    }
  }

  private void loadSpots() {
    new FetchSpots().getSpots(onSpotsReceiver);
  }
  
  private OnSpotsReceiver onSpotsReceiver = new OnSpotsReceiver() {
    
    @Override
    public void onSpotsReceived(List<Spot> spots) {
      findViewById(R.id.pgs_map).setVisibility(View.INVISIBLE);
      mSports = getSports(spots);
      createMarkersFromSpots(spots);
      configureSportsPicker();
    }
  };

  private void createMarkersFromSpots(List<Spot> spots) {
    if(map != null){
      if(mMarkerSpot == null)
        mMarkerSpot = new HashMap<Marker, Spot>(spots.size());
      else{
        for(Entry<Marker,Spot> entry : mMarkerSpot.entrySet())
          entry.getKey().remove();
        mMarkerSpot.clear();
      }
      for(Spot spot : spots){
        mMarkerSpot.put(map.addMarker(new MarkerOptions()
            .position(new LatLng(spot.getLatitude(), spot.getLongitude()))
            .title(spot.getName())
            .snippet(spot.getDescription())), spot);
      }
      map.setOnInfoWindowClickListener(onInfoWindowClickListener);
    }
  }

  private OnInfoWindowClickListener onInfoWindowClickListener = new OnInfoWindowClickListener() {
    
    @Override
    public void onInfoWindowClick(Marker marker) {
      Intent i = new Intent(MainActivity.this, SpotDetailActivity.class);
      i.putExtra(SpotDetailActivity.SPOT_KEY, (Serializable) mMarkerSpot.get(marker));
      startActivity(i);
    }
  };

  private List<Sport> getSports(List<Spot> spots) {
    List<Sport> sports = new ArrayList<Sport>();
    for(Spot spot : spots)
      for(Sport sport : spot.getSports()) {
        boolean alreadyContains = false;
        for(Sport sportInList : sports)
          if(sportInList.getId() == sport.getId()){
            alreadyContains = true;
            break;
          }
        if(!alreadyContains)
          sports.add(sport);
      }
    return sports;
  }

  private void configureSportsPicker() {
    CheckboxesDropdownView picker = (CheckboxesDropdownView) findViewById(R.id.sport_picker);
    picker.setItems(new ArrayList<Sport>(mSports));
    picker.setCheckedAll(true);
    picker.setOnDropdownCheckedChangeListener(onDropdownCheckedChangeListener);
    picker.setVisibility(View.VISIBLE);
  }
  
  private OnDropdownCheckedChangeListener onDropdownCheckedChangeListener = new OnDropdownCheckedChangeListener() {
    
    @Override
    public void onCheckedChanged(CheckboxesDropdownView picker, int index, boolean isChecked) {
      configureMarkersVisibility(picker.getState(), mSports);
    }
  };

  private void configureMarkersVisibility(boolean[] states, List<Sport> sports) {
    for(Entry<Marker,Spot> entry : mMarkerSpot.entrySet()){
      boolean visible = false;
      for(Sport sport : entry.getValue().getSports())
        visible |= getState(states, sports, sport);
      entry.getKey().setVisible(visible);
    }
  }

  private boolean getState(boolean[] states, List<Sport> sports, Sport sport) {
    for(int i = 0; i < sports.size(); i++)
      if(sports.get(i).getId() == sport.getId())
        return states[i];
    return false;
  }
}
Java Source Code List
