Mixin Android app

Mixin Android messenger, crypto wallet and light node to the Mixin Network

Summary

• Written in Kotlin
• Uses Jetpack: Room, LiveData, Paging, Lifecycle and ViewModel
• Uses Hilt for dependency injection

Development setup

Code style

This project uses ktlint

Build reproducibly

• Docker ensure has at least 6 GB of RAM

  mkdir -p ./output-apk
  docker run --rm \
    -v $(pwd):/project \
    -v $(pwd)/output-apk:/home/gradle/app/build/outputs/apk/release \
    mingc/android-build-box bash -c 'cd /project; ./gradlew assembleRelease'
  

Verify installed mixin APK

• Docker ensure has at least 6 GB of RAM
• ADB
• Android SDK Build Tools with ANDROID_HOME configured
• The trusted release signing certificate SHA-256 digest

  EXPECTED_CERT_SHA256=<certificate-sha256> ./verify-mixin-apk.sh
  

The verification script builds the Google Play app bundle, generates the APK set for the connected device, and compares every installed base and ABI split APK. It downloads a pinned Bundletool release and verifies its checksum before use.