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melonDS-android/README.md
Rafael Caetano c03c02f0af Make nightly builds a separate app 
This allows users to have nightly builds alongside the production builds
2023-11-03 15:45:18 +00:00

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melonDS Android port

This is a WIP Android frontend for the melonDS Android port. For the Android port of the emulator, check out https://github.com/rafaelvcaetano/melonDS-android-lib

Get it on Google Play

Rom List Dark Theme Pocket Physics Layout Editor
Screenshot 1 Screenshot 2 Screenshot 3 Screenshot 4

Missing Features

  • Local Multiplayer
  • OpenGL renderer
  • DSi SD card support
  • Customizable button skins
  • More display filters

Performance

Performance is solid on 64 bit devices with thread rendering and JIT enabled, and should run at full speed on flagship devices. Performance on older devices, specially 32 bit devices, is very poor due to the lack of JIT support.

Integration with third-party frontends

It's possible to launch melonDS from third part frontends. For that, you will need to have the ROMs you want to launch already scanned by melonDS. Then, you can configure your third-party frontend with the following configuration:

  • Package name: me.magnum.melonds
  • Activity name: me.magnum.melonds.ui.emulator.EmulatorActivity
  • Parameters (choose one):
    • uri (preferred) - a string with the SAF URI of the NDS ROM (ZIP files are supported)
    • PATH - a string with the absolute path to the NDS ROM (ZIP files are supported)

Nightly Builds

To have access to the latest changes, you can install nightly builds that you can find here.

Be aware that these builds can contain more bugs than usual and you may need to clear your app data to get it to work properly.

Building

To build the project you will need Android SDK, NDK and CMake.

Build steps:

  1. Clone the project, including submodules with:

    git clone --recurse-submodules https://github.com/rafaelvcaetano/melonDS-android.git

  2. Install the Android SDK, NDK and CMake

  3. Build with:

    1. Unix: ./gradlew :app:assembleGitHubProdDebug
    2. Windows: gradlew.bat :app:assembleGitHubProdDebug

  4. The generated APK can be found at app/gitHubProd/debug

If you want to create a release build, you will need to modify your local.properties file to include the following fields:

  • MELONDS_KEYSTORE=<path_to_your_keystore>
  • MELONDS_KEYSTORE_PASSWORD=<keystore_password>
  • MELONDS_KEY_ALIAS=<name_of_your_key_alias>
  • MELONDS_KEY_PASSWORD=<key_alias_password>