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AdvancedPrivacy

An app to let you control and protect your privacy.

Features

The following features are currently part of AdvancedPrivacy app.

Centralized overview dashboard.
Fake location.
Hiding IP address.
Control trackers across apps.

Technologies

Kotlin as main language
Kotlin coroutines and flow for asynchronous code
AndroidX (core-ktx, fragment-ktx, and lifecycle etc.)
Google Material Design component for UI elements
Timber for logging
MapLibre for map support
LeakCanary for keeping an eye on memory leaks.

Flavours

This app comes in two flavours, one for /e/OS and second one for other android (where app doesn't have system access)

Testing

Need to write test and add code coverage.

Development

Setup

You can use any latest stable version of android studio to be able to build this app.

Supported Versions

Minimum SDK: 26 (Android O)
Compile SDK: 34 (Android U)
Target SDK: 33 (Android T)

Code Style and Quality

This project uses ktlint, provided via the spotless gradle plugin. To maintain the same code style, all the codestyle configuration has been bundled into the project.

To check for any codestyle related error, ./gradlew spotlessCheck. Use ./gradlew spotlessApply to autoformat in order to fix any code quality related issues.

Setting up pre-commit hooks

To strictly enforce the code quality, this project has a pre-commit hook which is triggered everytime before you commit any changes (only applies to *.kt, *.gradle, *.md and *.gitignore). You must setup the pre-commit hook before doing any changes to the project. For that, this project has a script which can executed as follows:

./hooks/pre-commit

Build dependencies

TrackerFilter won't work unless your rom was build with this specific netd project:

android_system_netd

To create an /e/ build with this specific project, follow the documentation to create an usual /e/ build for your device https://doc.e.foundation/devices until repo sync

After repo sync all the sources, replace

system/netd

with this repo android_system_netd

then run the build as usual

This won't include advanced privacy, you still need to build the app.

Build

If you'd like to build AdvancedPrivacy locally, you should be able to just clone and build with no issues.

For building from CLI, you can execute use ./gradlew assemble<Flavor><Debug|Release> command:

Example for eOs debug version

./gradlew assembleEDebug

How to use AdvancedPrivacy apk

You can build the apk locally by using above instructions or you can download the latest stable apk from master branch pipeline.

To run apk on /e/OS devices

If you are running your tests on a /test build, the debug buildtype already sign it with the appropriate key, and without the persistant flag, to allow further updates. But the first time, to replace the AdvancedPrivacy app, embeded in the test build, you have to use the following commands:

```shell
adb root && adb remount
adb push your_advanced_privacy_debug_build.apk /system/priv-app/AdvancedPrivacy/AdvancedPrivacy.apk
adb shell kill -9 $(adb shell pidof -s foundation.e.advancedprivacy)
```

AdvancedPrivacy requiement against the system

AdvancedPrivacy needs to be installed as system app and whitelisting in order to grant some system specific permissions. Follow these steps to make it work properly on /e/OS

From Developer options, enable Android debugging and Rooted debugging
Sign the apk with platform certificate. You can use this command to do that
```
apksigner sign --key platform.pk8 --cert platform.x509.pem AdvancedPrivacy.apk app-e-release-unsigned.apk
```
If you are running your tests on an /test build, you can find keys at https://gitlab.e.foundation/e/os/android_build/-/tree/v1-q/target/product/security

Install apk as system app and push permissions whitelist with following commands:

adb root && adb remount
adb shell mkdir system/priv-app/AdvancedPrivacy
adb push AdvancedPrivacy.apk system/priv-app/AdvancedPrivacy

Push permissions whitelist.
- it requires the whitelisting privapp-permissions-foundation.e.advancedprivacy.xml file that can be found in the project repository.
- then use the following command
```
adb push privapp-permissions-foundation.e.advancedprivacy.xml /system/etc/permissions/
```
Allow the fake location service to run in background. Add in the file /system/etc/permissions/platform.xml .
Reboot the device
```
adb reboot
```

To run apk on stock android devices

You can simply install the apk. Keep in that mind all features won't be available on stock android devices.

Voila !!!, AdvancedPrivacy is installed successfully in your device.

Distribution

This project can be distributed as prebuilt apk with /e/OS or it can be published on other app stores for non /e/OS devices.

For developers and contributers

Please refer to Development Guide for detailed instructions about project structure, architecture, design patterns and testing guide.

License

Copyright (C) 2023 MURENA SAS
Copyright (C) 2021 ECORP

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see https://www.gnu.org/licenses/.

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