Low Juice Location

This is a module to retrieve rough locations (Longitude/Latitude) from Network. For this method, device GPS is not required.

When you turn-on Location Service in your device, It is using more & more juice in the device. Generally in Android devices we can use only one day, after full charge. In that case, with when we turn-on location service, it will reduce like a half a day or less than that.

If you are build a App that need rough locations, like only your app need to get the get current area, of the user, then you don't need GPS. This will be a solution for that.

What we are doing here?

In this module we grab the location through Network Cells. Using Android SDK TelephonyManager, we find the device network operator information & current network cell information. With these data, we use the support of OpenCellID.

Install

Add the following to root build.gradle file.

allprojects {
    repositories {
        jcenter()
        maven { url "https://jitpack.io" }
    }
}

Then for the dependency, Add the following to app module build.gradle file

dependencies {
    compile 'com.github.kavi707:LowJuiceLocation:1.0.0'
}

How you use

After you install the dependency, You can use following code snippet to retrieve the location from Network

    try {
        LowJuiceLocator.getInstance(context, new OnLocationChangeListener() {
            @Override
            public void onLocationChange(LocationDetail locationDetail) {
                // Do something from location data
            }
        }).refreshLocation();
    } catch (AirplaneModeException e) {
        // Handle the Airplane mode case
    } catch (UnknownNetworkTypeException e) {
        // Handle the Unknow network type case
    }

What are these 'Network cells'?

In the globe we all covered from GSM network. Through that we are doing calls, sms, data & etc. If you have a mobile phone, then you also under this network.

Basically from 3 points we can create an area then according to that case, if we think about 3 GSM towers, we can create an area of Network. Simply that area can be call as a Network cell.

In the globe all of these cells are uniquely named & gives an unique Ids. You can get more information about this from Cellular Network Wiki.

How we pick location from this 'Network Cell'?

If you visit to following OpenCellID, you also can play with it. If you can provide the parameters they request, then you can get the location according to the parameters you provide.

Following are the basic parameters, require to get the location.

Parameter	Description
MCC	Mobile Country Code
MNC	Mobile Network Code
LAC	Location Area Code
Cell ID	Network cell's unique Id

This MCC & MNC are given for your Network provider. You can get your network provider's those details from Mobile Country Code Wiki. You can find all above data using TelephonyManager in Android.

Happy Coding...!

kavi707 / lowjuicelocation Goto Github PK