hostage/src/de/tudarmstadt/informatik/hostage/ui2/fragment/ThreatMapFragment.java

package de.tudarmstadt.informatik.hostage.ui2.fragment;

import android.app.AlertDialog;
import android.app.Dialog;
import android.app.Fragment;
import android.content.Context;
import android.content.DialogInterface;
import android.graphics.Color;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;

import com.google.android.gms.common.ConnectionResult;
import com.google.android.gms.maps.CameraUpdateFactory;
import com.google.android.gms.maps.GoogleMap;
import com.google.android.gms.maps.MapFragment;
import com.google.android.gms.maps.model.CircleOptions;
import com.google.android.gms.maps.model.LatLng;
import com.google.android.gms.maps.model.MarkerOptions;

import de.tudarmstadt.informatik.hostage.R;

import static com.google.android.gms.common.GooglePlayServicesUtil.*;

/**
 * Created by fabio on 10.02.14.
 */
public class ThreatMapFragment extends Fragment {
	private GoogleMap map = null;

	/**
	 * if google play services aren't available an error notification will be displayed
	 *
	 * @return true if the google play services are available
	 */
	private boolean isGooglePlay() {
		int status = isGooglePlayServicesAvailable(getActivity());
		boolean result = status == ConnectionResult.SUCCESS;
		if (result == false) {
			getErrorDialog(status, getActivity(), 10).show();
		}
		return result;
	}

	private void loadMapFragment() {
		// Get a handle to the Map Fragment
		MapFragment mapFragment = (MapFragment) getFragmentManager()
				.findFragmentById(R.id.threatmapfragment);
		map = mapFragment.getMap();
	}

	@Override
	public View onCreateView(LayoutInflater inflater, ViewGroup container,
	                         Bundle savedInstanceState) {
		//super.onCreateView(inflater, container, savedInstanceState);
		View rootView = inflater.inflate(R.layout.fragment_threatmap, container, false);
		if (isGooglePlay()) {
			loadMapFragment();
		}
		if (map != null) {
			LatLng mapCenter = new LatLng(41.889, -87.622);
			map.moveCamera(CameraUpdateFactory.newLatLngZoom(mapCenter, 13));
			map.addCircle(new CircleOptions().center(mapCenter).radius(200.0).fillColor(Color.RED).strokeColor(
					Color.MAGENTA));
		}
		return rootView;
	}
}