Cross Platform Maps Appcelerator

index.js

var permissions = require("mapPermissions");

var RunLocation = false;
var search = {
	latitude : 51.576339,
	longitude : -3.216717,
	heading : null
};

/**
 * Runs on device compass location
 * @param {object} data
 * @return {null} updates the ui
 * @author sam
 */
var compassHandler = function(_event) {

	if (Titanium.Geolocation.hasCompass) {

		if (_event.success === undefined || _event.success) {

			search.heading = _event.heading.trueHeading;

		}

	} else {

		console.log("No Compass on device");

	}

};

/**
 * Runs after the devices successfuly gets the users location
 * @param {object} data
 * @return {null} updates the ui
 * @author sam
 */
var locationCallback = function(_event) {

	if (RunLocation) {

		if (_event.success && _event.coords) {

			search.latitude = _event.coords.latitude;
			//51.576339
			search.longitude = _event.coords.longitude;
			//-3.216717

			if (OS_IOS) {

				var cam = MapModule.createCamera({
					altitude : 600,
					centerCoordinate : {
						latitude : search.latitude,
						longitude : search.longitude
					},
					heading : search.heading,
					pitch : 60
				});

				$.MapView.animateCamera({
					camera : cam,
					curve : Ti.UI.ANIMATION_CURVE_EASE_IN
				});

			}

			if (OS_ANDROID) {

				$.MapView.setRegion({
					latitude : search.latitude,
					longitude : search.longitude,
					bearing : search.heading,
					zoom : 15,
					tilt : 45
				});

			}

			// Remove the vent listener
			Ti.Geolocation.removeEventListener('location', locationCallback);

			$.MapView.userLocation = true;

		} else {

			console.log("There has been a error getting your location.....");

		}

	}

};

$.MapView.addEventListener('complete', function(_event) {

	RunLocation = true;

});

/**
 * Listeners to the window open
 * @param {object} data
 * @return {null} updates the ui
 * @author sam
 */
function showCurrentPosition(_event) {

	/**
	 * Checks the device has correct permissions and authorizes
	 * @param {object} data
	 * @return {null} updates the ui
	 * @author sam
	 */
	permissions.requestLocationPermissions(Ti.Geolocation.AUTHORIZATION_WHEN_IN_USE, function(e) {

		console.log("requestLocationPermissions", e);
		if (e.success) {

			if (OS_IOS) {

				Ti.Geolocation.showCalibration = false;
				Ti.Geolocation.accuracy = Ti.Geolocation.ACCURACY_BEST;
				Ti.Geolocation.addEventListener("heading", compassHandler);
				Ti.Geolocation.addEventListener('location', locationCallback);

			}

			if (OS_ANDROID) {

				var providerPassive = Ti.Geolocation.Android.createLocationProvider({
					name : Ti.Geolocation.PROVIDER_PASSIVE,
					minUpdateDistance : 0.0,
					minUpdateTime : 0
				});

				var providerNetwork = Ti.Geolocation.Android.createLocationProvider({
					name : Ti.Geolocation.PROVIDER_NETWORK,
					minUpdateDistance : 0.0,
					minUpdateTime : 5
				});

				var providerGps = Ti.Geolocation.Android.createLocationProvider({
					name : Ti.Geolocation.PROVIDER_GPS,
					minUpdateDistance : 0.0,
					minUpdateTime : 0
				});

				Ti.Geolocation.showCalibration = false;
				Ti.Geolocation.accuracy = Ti.Geolocation.ACCURACY_BEST;
				Ti.Geolocation.Android.addLocationProvider(providerPassive);
				Ti.Geolocation.Android.addLocationProvider(providerNetwork);
				Ti.Geolocation.Android.addLocationProvider(providerGps);
				Ti.Geolocation.Android.manualMode = true;
				Ti.Geolocation.addEventListener("heading", compassHandler);
				Ti.Geolocation.addEventListener('location', locationCallback);

				providerPassive = null;
				providerNetwork = null;
				providerGps = null;
			}

		} else {

			alert("ERROR:");

		}
	});

}
$.Window.open();

index.xml

<Alloy>
	<Window id="Window" onOpen="showCurrentPosition">
		<Module id="MapView" module="ti.map" method="createView" />
	</Window>
</Alloy>

mapPermissions.js

/*
 * function to check for all location services outcomes
 */
exports.requestLocationPermissions = function(authorizationType, callback) {

	// FIXME: Always returns false on Android 6
	// https://jira.appcelerator.org/browse/TIMOB-23135
	if (OS_IOS && !Ti.Geolocation.locationServicesEnabled) {
		return callback({
			success : false,
			error : 'Location Services Disabled'
		});
	}

	// Permissions already granted
	if (Ti.Geolocation.hasLocationPermissions(authorizationType)) {
		return callback({
			success : true
		});
	}

	// On iOS we can determine why we do not have permission
	if (OS_IOS) {

		if (Ti.Geolocation.locationServicesAuthorization === Ti.Geolocation.AUTHORIZATION_RESTRICTED) {
			return callback({
				success : false,
				error : 'Your device policy does not allow Geolocation'
			});

		} else if (Ti.Geolocation.locationServicesAuthorization === Ti.Geolocation.AUTHORIZATION_DENIED) {

			dialogs.confirm({
				title : 'You denied permission before',
				message : 'Tap Yes to open the Settings app to restore permissions, then try again.',
				callback : function() {
					Ti.Platform.openURL(Ti.App.iOS.applicationOpenSettingsURL);
				}
			});

			// return success:false without an error since we've informed the user already
			return callback({
				success : false
			});
		}
	}

	// Request permission
	Ti.Geolocation.requestLocationPermissions(authorizationType, function(e) {

		if (!e.success) {
			return callback({
				success : false,
				error : e.error || 'Failed to request Location Permissions'
			});
		}

		callback({
			success : true
		});

	});

};