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123 lines
5.5 KiB
Markdown
123 lines
5.5 KiB
Markdown
# ALN - AirPods like Normal
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*Access AirPods' Apple-exclusive features on linux and android!*
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### Check out the packet definitions at [AAP Definitions](/AAP%20Definitions.md)
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## Tested device(s)
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- AirPods Pro 2
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Other devices might work too! Features like ear detection and battery should be available for any AirPods! Although the app will show unsupported features/settings! I will not be able test any other devices than the ones I already have (i.e. the AirPods Pro 2).
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## Implemented Features
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| Feature | Linux | Android |
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| --- | --- | --- |
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| Ear Detection | ✅ | ✅ |
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| Conversational Awareness | ✅ | ✅ |
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| Setting Noise Control | ✅ | ✅ |
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| Battery Level | ✅ | ✅ |
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| Rename AirPods | ❌ | ✅ |
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| Adjust Adaptive Audio | ❌ | ✅ |
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| Loud Sound Reduction | ❌ | ✅ |
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## Linux
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Check out the README file in [linux](/linux) folder for more info.
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This tray app communicates with a daemon with the help of a UNIX socket. The daemon is responsible for the actual communication with the AirPods. The tray app is just a frontend for the daemon, that does ear-detection, conversational awareness, setting the noise-cancellation mode, and more.
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## Android
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Currently, there's a [bug in the Android Bluetooth stack](https://issuetracker.google.com/issues/371713238) that prevents the app from working `(upvote the issue - click the '+1' icon on the top right corner of IssueTracker)`. This repository provides a workaround for the bug, specifically tested on Android 14 and Android 15 (stock versions).
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**This workaround requires root access** to implement and it might not work on other android OEM skins. Try at your own risk!!
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### Workaround
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#### Step 1: Download the Required Files
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- Go to the [Releases](https://github.com/kavishdevar/aln/releases) section.
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- Download the required files depending upon your Android version - `bt.sh`, `module.prop`, and `libbluetooth_jni-a14.so` (for android 14) or `libbluetooth_jni-a15.so` (for android 15).
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#### Step 2: Set Up the Directory Structure
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- Use a file manager with root access (eg. Solid FIle Explorer or MT manager) or a shell (using adb, or a terminal app like Termux) and create a folder structure like this (`upper` and `work` are also folders):
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```
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/data/local/tmp/overlay:
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upper
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work
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```
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- Rename the appropriate file to `libbluetooth_jni.so` and place it in the `upper` folder
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```
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/data/local/tmp/overlay/upper:
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libbluetooth_jni.so
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```
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- Create a duplicate of the overlay folder inside tmp and name it overlay2.
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#### Step 3: Add the Boot Script
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- Place the `bt.sh` script in `/data/adb/post-fs-data.d/`.
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- This script ensures the fix is applied during system startup.
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#### Step 4: Create a Magisk Module
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- Create a `btl2capfix` folder in `/data/adb/modules/` and copy the `module.prop`into the folder.
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```
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/data/adb/modules/btl2capfix:
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module.prop
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```
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- Create `system/lib64` under `btl2capfix` and copy the `libbluetooth_jni.so` into `lib64`
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```
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/data/adb/modules/btl2capfix/system/lib64:
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libbluetooth_jni.so
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```
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#### Step 5: Verify the Fix
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- Reboot your device.
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- The Bluetooth bug should now be resolved.
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Once the issue is resolved by Google developers or you've addressed it through the above root-based method, download and install the `app-release.apk` from the releases, and you're good to go!
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### Features
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#### Renaming the Airpods
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When you rename the Airpods using the app, you'll need to re-pair it with your phone. Currently, user-level apps cannot directly rename a Bluetooth device. After re-pairing, your phone will display the updated name!
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#### Noise Control Modes
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- Active Noise Cancellation (ANC): Blocks external sounds using microphones and advanced algorithms for an immersive audio experience; ideal for noisy environments.
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- Transparency Mode: Allows external sounds to blend with audio for situational awareness; best for environments where you need to stay alert.
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- Off Mode: Disables noise control for a natural listening experience, conserving battery in quiet settings.
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- Adaptive Transparency: Dynamically reduces sudden loud noises while maintaining environmental awareness, adjusting seamlessly to fluctuating noise levels.
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#### Conversational Awareness
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Automatically lowers audio volume and enhances voices when you start speaking, making it easier to engage in conversations without removing your AirPods.
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#### Automatic Ear Detection
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Recognizes when the AirPods are in your ears to automatically play or pause audio and adjust functionality accordingly.
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#### Planned Features
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Quick Tile to toggle Conversational Awareness and to switch Noise Control modes, and Battery Widget (App and AndroidSystemIntelligence)/Notification coming soon!!
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### Screenshots of the app
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# License
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AirPods like Normal (ALN) - Bringing Apple-only features to Linux and Android for seamless AirPods functionality!
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Copyright (C) 2024 Kavish Devar
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, version 3 of the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program over [here](/LICENSE). If not, see <https://www.gnu.org/licenses/>.
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