Foreground Service

app.js

function monitorLocation() {
    function start() {
        Ti.Geolocation.accuracy = Ti.Geolocation.ACCURACY_HIGH;
        Ti.Geolocation.addEventListener("location", function(e) {
            Ti.Media.vibrate();
            Ti.API.info("@@@ Location Received: " + JSON.stringify(e.coords));
        });
    }
    var hasPermission = Ti.Geolocation.hasLocationPermissions(Ti.Geolocation.AUTHORIZATION_WHEN_IN_USE);
    if (!hasPermission) {
        Ti.Geolocation.requestLocationPermissions(Ti.Geolocation.AUTHORIZATION_WHEN_IN_USE, function(e) {
            if (e.success) {
                start();
            }
        });
    } else {
        start();
    }
}

// Start the service.
var intent = Ti.Android.createServiceIntent({
    url: "pushService.js",
});
Ti.Android.startService(intent);

// Display the main window.
var window = Ti.UI.createWindow();
window.addEventListener("open", function(e) {
    monitorLocation();
});

var button = Titanium.UI.createButton({
    title: 'Clear Notification',
    top: 20,
    color: "red",
    width: Ti.UI.SIZE,
    height: 50
});
button.addEventListener('click', function(e) {
    Ti.Android.stopService(intent);
});

window.add(button);

window.addEventListener("close", function(e) {
    // Stop the service on app exit.
    Ti.Android.stopService(intent);
});
window.open();

pushService.js

Ti.API.info("@@@ Service started.");
// Gets an intent used to resume the app if running in the background.
function getAppResumeIntent() {
    var intent = Ti.App.Android.launchIntent;
    if (!intent) {
        intent = Ti.Android.createIntent({});
    }
    return intent;
}

// Put this service into the foreground state.
var notificationId = parseInt(10000 * Math.random());
Ti.Android.currentService.foregroundNotify(notificationId, Ti.Android.createNotification({
    contentTitle: "Foreground Service",
    contentText: "Content Text",
    contentIntent: Ti.Android.createPendingIntent({
        // Using the launch intent will resume the app when tapped.
        intent: getAppResumeIntent(),
    }),
}));

tiapp.xml

 <android xmlns:android="http://schemas.android.com/apk/res/android">
        <manifest>
        <uses-permission android:name="android.permission.FOREGROUND_SERVICE"/>
    </manifest>
        <services>
            <service type="interval" url="pushService.js" />
        </services>
    </android>