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I'm currently working on a flutter mobile application to automate traveling log for vehicle. I need to automatically log all the trips of user which are traveled using a vehicle. Is there a way to know exactly traveling mode of the user?
Also I need to start log if user starts a trip by vehicle and stop the log when user stops the trip. This should avoid the traffic jams also.
I tried to use accelerometer readings and gps location readings to determine the traveling mode. But it was not success.
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If I were to write a mobile app that recorded the GPS location of the device, how certain can I be that the GPS location hasn't been tampered?
To avoid confusion, I'm not concerned with the resolution/accuracy of the GPS, I'm more concerned with security. Can the GPS coordinates be hacked so that my app records an incorrect location?
Can I demonstrate that the GPS coordinates recorded by the app can be relied upon?
Yes, it can be hacked. On Android there's a debugging system that allows fake locations. Or they could always use a custom build of Android that just lies. Never trust ANY data from a client you don't control to be accurate. Even if they couldn't fake the GPS data, they could alter your app and make it upload bad data.
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I work on an indoor tracking project using android.I used Gps to detect location but it does not work correctly at indoor tracking
How can I solve this problem?
If you GPS signal is bad there are 2 things you can do.
One is: improve you reception (e.g. remove the roof, good outside, replace roof with glass). Now this might be a little ... tricky
The other one is: use a different technique. Bluetooth tracking (BLE beacon) for instance.
You cannot 'amplify' GPS signal. The system works by finding out how long it takes a singal to go from several satallites to your phone. If you 'repeat' or amplify the system it is going to give false results. So you can not do stuff like "put an antenna on the roof", as all your locations would return the location of the antenna.
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I want to create an application, when I enter any mobile number it should give me current location of that number.
Guys please help me if it is possible then tell me how it is possible ?
you cant get the location from cell number !!!!!
though there are some applications in some countries which they do something like this but the mechanism is different.
how they work is, user registers in their app and they use Cell Number as username for registering users. then this way they can tell you the location of other users by phone number. (you can just see users' location who registered in app)
since there isnt any way to get the cell number programatically so such system you want cant exist unless the user gives you the number and you verify it some how (sending code sms and etc) and thats what the apps i mentioned are doing.
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I have created an android application, in which i have to find the current location of the mobile. For example using my application i have to find my friends current location.If i enter the mobile number the current location of my friend has to be shown in map.Its not necessary that my friend mobile to be smart phone. How can i track them using their phone number without using GPRS? Please help me.
You can get Location if you have Internet Connection(GPRS or WIFI), otherwise you Can not get Location, Because to get Location, your Phone need to communicate with (Google Maps) and then they get your Longitude/Latitude and then give you the facility.
If you need to check your Friend's Location, for that you need your Friend Latitude/longitude Information.
But you must have Internet Connection.
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I need to create an application that will show me on a map to all users who have installed my app within x distance.
It wondered if I need to save the coordinates of each user periodically in a database and read the position or is there another option
Tracking the user's location in a database will likely be your easiest option. It will also scale well. If you are only tracking a couple users, you could use another simpler data storage mechanism like an XML file, a text file, or even some sort of Application Level Variable.
I'm sure that you have done some research on how best to track your users, but this is a pretty good starting point, if you don't have one already. They are storing each location in a local database on the phone, so I'm sure that you could very easily modify it to send that same location to a web service or something.