MapUtil.java

package com.lake.tahoe.utils;

import android.content.Context;
import android.location.Location;

import com.google.android.gms.maps.CameraUpdateFactory;
import com.google.android.gms.maps.GoogleMap;
import com.google.android.gms.maps.model.BitmapDescriptor;
import com.google.android.gms.maps.model.LatLng;
import com.google.android.gms.maps.model.MarkerOptions;
import com.google.maps.android.ui.IconGenerator;
import com.lake.tahoe.R;
import com.lake.tahoe.models.Request;
import com.lake.tahoe.models.User;
import com.lake.tahoe.widgets.SpeechBubble;
import com.lake.tahoe.widgets.SpeechBubbleIconGenerator;

import java.text.DecimalFormat;

/**
 * Created on 11/3/13.
 */
public class MapUtil {

	public static final int DEFAULT_ZOOM_LEVEL = 17;

	public static void panAndZoomToUser(GoogleMap map, User user, int zoom) {
		panAndZoomToPoint(map, user.getGoogleMapsLocation(), zoom);
	}

	public static void panAndZoomToLocation(GoogleMap map, Location location, int zoom) {
		panAndZoomToPoint(map, locationToLatLng(location), zoom);
	}

	public static void panAndZoomToPoint(GoogleMap map, LatLng point, int zoom) {
		map.moveCamera(CameraUpdateFactory.newLatLngZoom(point, zoom));
	}

	public static LatLng locationToLatLng(Location location) {
		return new LatLng(location.getLatitude(), location.getLongitude());
	}

	public static MarkerOptions getSpeechBubbleMarkerOptions(Request request, SpeechBubbleIconGenerator iconGenerator, SpeechBubble.ColorType colorType) {
		String title = request.getDisplayDollars();
		return getSpeechBubbleMarkerOptions(request.getGoogleMapsLocation(), title, iconGenerator, colorType);
	}

	public static MarkerOptions getSpeechBubbleMarkerOptions(User user, SpeechBubbleIconGenerator iconGenerator, SpeechBubble.ColorType colorType) {
		String title = user.getName();
		return getSpeechBubbleMarkerOptions(user.getGoogleMapsLocation(), title, iconGenerator, colorType);
	}

	public static MarkerOptions getSpeechBubbleMarkerOptions(LatLng coordinates, String title, SpeechBubbleIconGenerator iconGenerator, SpeechBubble.ColorType colorType) {
		MarkerOptions markerOptions = new MarkerOptions().position(coordinates);
		BitmapDescriptor bitmapDescriptor = SpeechBubble.generateMarkerBitmap(iconGenerator, title, colorType);
		markerOptions.icon(bitmapDescriptor);
		return markerOptions;
	}

	public static String getMapDisplayDistance(Context ctx, double miles) {
		double distance = miles;
		String unit = ctx.getResources().getString(R.string.mi);

		double feet = miles * 5280;
		if (feet < 500) {
			distance = feet;
			unit = ctx.getResources().getString(R.string.ft);
		}
		DecimalFormat df = new DecimalFormat("0.00");
		return df.format(distance).concat(unit);
	}
}