I would like to know what gps tracking device can help me, you can get the location of an asset either (car, bicycle, etc.) and be able to consume it from a web app or mobile application with phonegap to be able to show the user where his asset is .
I would appreciate any idea, I have searched for information on the GPS GF21, but I cannot find a way and the company of this device tells me that they do not contain any REST API to be able to consume the data from that gps.
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I want to track a vehicle and send its coordinate locations to multiple mobile devices at the same time. Is there a way to do that? i also need to send the live feed of the buses' current location Can i do it with agora.io?
Agora Aignaling SDK is perfect for this
You can get started through their demos on Github for different platforms.
I am working on a product which requires a real time gps tracking.
I searched on google to collect information, so I got an overview on how does basically GPS work.
Now what else do I need except for a GPS receiver to display on my mobile through an app (designed by us) where a GPS receiver is attached to my product?
I don't want the whole navigation functionality, but just to display where it is located.
I know a GPS receiver continuously sends and receives signals from satellites, but how to display that on my mobile app?
Do we send some info to some kind to a database and then program the app to collect the info from there?
Basically, You need a kind of connection between your receiver and your phone. Since all the phones have their own gps receiver, I assume that you are gonna track the location of a remote device. So the easiest way to do that is creating a basic web service which holds just 2 pages in total.
1 to update data by receiver (I suggest you to use a hash key to prevent bots to piss your database)
1 to get data to mobile app
Depending on your background and project needs you can either use a database to keep location data or you can use just a file (like xml file or something like that)
Also you will need to parse NMEA code to get the actual data. It is easier to do that on web side (like in php). So you can just pass the NMEA code as it is to server, parse it, record it to database/file. Then you can fetch the data from your mobile app by using simple http requests.
If two devices will be close to each other you can easily use bluetooth but I don't know if there is any case that it make sense to place an additional gps receiver just next to a smart phone :)
First of all, you need some kind of communication channel to send location from your product to a server (1) of directly to the phone (2).
Usually GPS tracking devices use GSM modem with GPRS to connection to a remote server. Then your phone app can request location data from server via HTTP API. You can use open source GPS tracking server for your project and use some simple protocol to send location data to it.
Second popular option requires GSM modem again, but in this case device can send SMS messages directly to your phone. In your app you can intercept SMS and retrieve location data.
I have a gps device that is attached to my car now from my home i want to know where my car is presently at and on which route is it moving,want to have the complete route info.
i have no idea how gps connects to google map and all.Can you please guide me the above query and is there any free tool available for it.
I need to develop a symbian application in which the app is triggered while taking a photo and upload to a web location with the GPS location of the phone. I would like to know which all devices can support this and is there any API restrictions or licence required to do this.
Sorry for the relevant plug but what you are looking for is basically 3 chapters (Networking, Multimedia and Location Based Services) of the Quick Recipes on Symbian OS book.
Since your application will use Networking APIs (and therefore cost the application user money), you will have to go through the Symbian Signed process.
As far as how many Symbian-powered phones contain both a camera and a GPS, I am afraid you are going to need to look at the invidual handset manufacturers websites to come up with an exhaustive list. Outside Japan, they are Nokia, Sony-Ericsson and Samsung.
Here is a list of Nokia models and their info
Here is a list of capabilities and what signing method they need
The Java ME Location API says it supports:
Mobile Network based positioning.
GPS
Short Range Beacons
Quite a number of phones support this API (JSR179). However, some phones don't have an inbuilt GPS module, is it still possible to use this API to obtain the phone's current location?
Mobile Network based positioning.
The security settings will control if you can access this, the service provider may also make a charge.
From my very limited experience of J2ME, you can set the phone to not allow an app access to private data (such as location) and to charged for services (such as location) - you can also set it to popup a request for the user to authorize it.
J2ME is pretty well designed to gracefully fall back to whats available and hide a lot of the details.
Yes, some GPSless S60s (e.g. N70) give location through this API when used with an external GPS device attached via Bluetooth. Others may possibly give you approximate location using CellID.