meshtastic/docs/development/android.mdx
2023-01-19 23:01:57 +10:00

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---
id: android
title: Building the Android App
sidebar_label: Android
sidebar_position: 1
---
## Build instructions
If you would like to develop this application we'd love your help! These build instructions are brief and should be improved, please send a PR if you can.
1. Use Android Studio to build/debug
2. Use `git submodule update --init --recursive` to pull in the various sub-modules we depend on.
3. There are a few config files which you'll need to copy from templates included in the project. Run the following commands to do so:
```shell
rm ./app/google-services.json
cp ./app/google-services-example.json ./app/google-services.json
rm ./app/src/main/res/values/curfirmwareversion.xml
cp ./app/special/curfirmwareversion.xml ./app/src/main/res/values/
```
4. Now you should be able to select "Run / Run" in the IDE and it will happily start running on your phone or the emulator.
:::note
The emulators don't support Bluetooth, so some features can not be used in that environment.
:::
## Setup Analytics
Analytics are included but can be disabled by the user on the settings screen.
1. Configure analytics for development device
```shell
adb shell setprop debug.firebase.analytics.app com.geeksville.mesh
adb shell setprop log.tag.FirebaseCrashlytics DEBUG
```
2. Set verbose logging
```shell
adb shell setprop log.tag.FA VERBOSE
```
## Publish to Google Play
:::info
Only available for core developers that publish releases.
:::
1. Add repository secrets:
- **KEYSTORE_FILENAME**
- Name of the `.jks`
- **KEYSTORE**
- Convert the `.jks` to base64:
```shell
openssl base64 < filename.jks | tr -d '\n' | tee filename.txt
```
- **KEYSTORE_PROPERTIES**
- `storePassword=nononononono`
- `keyPassword=nononononono`
- `keyAlias=upload`
- `storeFile=nononononono.jks`
2. Update protobufs
3. Go to Actions / Make Release / Run Workflow
4. Pick the Releases branch
5. Enter the version found in `app/gradle.build`