# system35 for Android

## Build
Prerequisites:
- CMake >=3.13
- Android SDK >=26
- Android NDK >=r15c

### Using Android Studio
Open this directory as an Android Studio project.

### Command line build
Configure environment variables and run the `gradlew` script in this folder.

Example build instructions (for Debian Stretch):
```sh
# Install necessary packages
sudo apt install git wget unzip default-jdk-headless ninja-build
sudo apt -t stretch-backports install cmake

# Install Android SDK / NDK
export ANDROID_HOME=$HOME/android-sdk
export PATH=$PATH:$ANDROID_HOME/tools
export PATH=$PATH:$ANDROID_HOME/platform-tools
wget https://dl.google.com/android/repository/sdk-tools-linux-4333796.zip
unzip sdk-tools-linux-4333796.zip -d $ANDROID_HOME
yes |$ANDROID_HOME/tools/bin/sdkmanager --licenses
$ANDROID_HOME/tools/bin/sdkmanager ndk-bundle

# Check out and build system3
git clone https://github.com/kichikuou/system3-sdl2.git
cd system3-sdl2/android
./gradlew build  # or ./gradlew installDebug if you have a connected device
```

## How to use
1. Create a ZIP file containing all the game files (`*.DAT`), and transfer it to your device.
2. When you start the app, a file chooser opens. Select the zip file.
3. The game starts. Two-finger touch is treated as a right click.
4. Game data persists in the app's internal storage. Use the device's Settings app if you want to clear it (eg. before installing another game).

Note that this Android port is still incomplete; see below.

## TODO
- Better launcher