New in version 1.2.12
- Extend blacklist
- Avoid crashes due to invalid emitter type
- Upgrade dependencies
The backend passively monitors the GPS and scans for nearby WiFis and mobile cells/towers. From this a database of emitter locations is created.
When UnifiedNlp / microG request a location from Local NLP Backend, a scan for nearby emitter is initiated and a location determined based on the scan results.
Local NLP Backend is a fork of the Déjà Vu NLP Backend with some improvements and a crude UI for configuration and importing / exporting data, including cell lists from MLS or OpenCelliD.
This backend uses no network data. All data acquired by the phone stays on the phone, though it may be exported manually.
How to use:
Local NLP Backend can be used like Déjà Vu: just enable the backend and let it build up the database by frequently having GPS enabled, e.g. using a map app.
If you have a Déjà Vu database (you'll need root privileged to extract it), it can be imported in Local NLP Backend. Further import options are databases exported by Local NLP Backend, and cell csv files from MLS or OpenCelliD.
Note that the local database needs to be filled, either using GPS or by importing data, before Local NLP Backend can provide locations!
In order to speed up building the database, LocalNLP has an optional active mode that enabled GPS when there is no known emitter nearby (low setting) or when any unknown emitter is found (aggressive setting).
Versions
Although APK downloads are available below to give you the choice, you should be aware that by installing that way you will not receive update notifications and it's a less secure way to download. We recommend that you install the F-Droid client and use that.
Download F-Droid
-
This version requires Android 4.3 or newer.
It is built by F-Droid and guaranteed to correspond to this source tarball.
Permissions
-
access location in the background
This app can access location at any time, even while the app is not in use.
-
access approximate location only in the foreground
This app can get your approximate location from location services while the app is in use. Location services for your device must be turned on for the app to get location.
-
access precise location only in the foreground
This app can get your precise location from location services while the app is in use. Location services for your device must be turned on for the app to get location. This may increase battery usage.
-
view Wi-Fi connections
Allows the app to view information about Wi-Fi networking, such as whether Wi-Fi is enabled and name of connected Wi-Fi devices.
-
connect and disconnect from Wi-Fi
Allows the app to connect to and disconnect from Wi-Fi access points and to make changes to device configuration for Wi-Fi networks.
-
run foreground service
Allows the app to make use of foreground services.
-
helium314.localbackend.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
Download APK
1 MiB
PGP Signature
|
Build Log
-
This version requires Android 4.3 or newer.
It is built by F-Droid and guaranteed to correspond to this source tarball.
Permissions
-
access location in the background
This app can access location at any time, even while the app is not in use.
-
access approximate location only in the foreground
This app can get your approximate location from location services while the app is in use. Location services for your device must be turned on for the app to get location.
-
access precise location only in the foreground
This app can get your precise location from location services while the app is in use. Location services for your device must be turned on for the app to get location. This may increase battery usage.
-
view Wi-Fi connections
Allows the app to view information about Wi-Fi networking, such as whether Wi-Fi is enabled and name of connected Wi-Fi devices.
-
connect and disconnect from Wi-Fi
Allows the app to connect to and disconnect from Wi-Fi access points and to make changes to device configuration for Wi-Fi networks.
-
run foreground service
Allows the app to make use of foreground services.
-
helium314.localbackend.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
Download APK
1.2 MiB
PGP Signature
|
Build Log
-
This version requires Android 4.3 or newer.
It is built by F-Droid and guaranteed to correspond to this source tarball.
Permissions
-
access location in the background
This app can access location at any time, even while the app is not in use.
-
access approximate location only in the foreground
This app can get your approximate location from location services while the app is in use. Location services for your device must be turned on for the app to get location.
-
access precise location only in the foreground
This app can get your precise location from location services while the app is in use. Location services for your device must be turned on for the app to get location. This may increase battery usage.
-
view Wi-Fi connections
Allows the app to view information about Wi-Fi networking, such as whether Wi-Fi is enabled and name of connected Wi-Fi devices.
-
connect and disconnect from Wi-Fi
Allows the app to connect to and disconnect from Wi-Fi access points and to make changes to device configuration for Wi-Fi networks.
-
run foreground service
Allows the app to make use of foreground services.
-
helium314.localbackend.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
Download APK
1.2 MiB
PGP Signature
|
Build Log
