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tophyrtophyr
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Add Gradle build for Android
1 parent 8207755 commit dc01dfb

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‎.gitignore

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# Ignore autogenerated git-hash.txt file, generated for packaging purposes
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git-hash.txt
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# Android build bits
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.gradle/*
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android/.cxx/*
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android/build/*
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build/*
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local.properties

‎CMakeLists.txt

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cmake_minimum_required(VERSION 3.20) # For using CMAKE_<LANG>_BYTE_ORDER
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if (CMAKE_SYSTEM_NAME STREQUAL "Android")
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if (ANDROID_ABI MATCHES "arm64-v8a")
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set(VCPKG_TARGET_TRIPLET "arm64-android" CACHE STRING "" FORCE)
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elseif(ANDROID_ABI MATCHES "armeabi-v7a")
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set(VCPKG_TARGET_TRIPLET "arm-android" CACHE STRING "" FORCE)
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elseif(ANDROID_ABI MATCHES "x86_64")
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set(VCPKG_TARGET_TRIPLET "x64-android" CACHE STRING "" FORCE)
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elseif(ANDROID_ABI MATCHES "x86")
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set(VCPKG_TARGET_TRIPLET "x86-android" CACHE STRING "" FORCE)
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else()
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message(FATAL_ERROR "ANDROID_ABI not set or not recognized")
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endif()
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set(ENV{ANDROID_NDK_HOME} ${CMAKE_ANDROID_NDK})
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endif()
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if (NOT DEFINED ENV{VCPKG_ROOT})
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message(FATAL_ERROR "
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Please set an environment variable VCPKG_ROOT

‎android/build.gradle

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apply plugin: 'com.android.application'
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def hostBuildDir = new File(rootProject.buildDir, "host")
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task configureHostTools(type: Exec) {
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workingDir ".."
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commandLine "cmake", "-B", hostBuildDir, "-G", "Ninja Multi-Config", "-DHOST_TOOLS_ONLY=1"
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// intentionally do not track inputs/outputs - let cmake figure that out.
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}
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["Debug", "RelWithDebInfo"].each { buildConfig ->
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def buildHostToolsTask = tasks.register('buildHostTools' + buildConfig, Exec) {
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workingDir ".."
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commandLine "cmake", "--build", hostBuildDir, "--target", "HogMaker", "--config", buildConfig
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dependsOn configureHostTools
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// intentionally do not track inputs/outputs - let cmake figure that out.
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}
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preBuild.dependsOn buildHostToolsTask
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}
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android {
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namespace "com.descent3.droid"
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compileSdkVersion 32
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defaultConfig {
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minSdkVersion 32
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targetSdkVersion 32
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versionCode 1
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versionName "1.0"
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externalNativeBuild {
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cmake {
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arguments "-DANDROID_APP_PLATFORM=android-19", "-DANDROID_STL=c++_static", "-DHogMaker_DIR=" + hostBuildDir
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// abiFilters 'armeabi-v7a', 'arm64-v8a', 'x86', 'x86_64'
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abiFilters 'arm64-v8a'
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}
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}
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}
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buildTypes {
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release {
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minifyEnabled false
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proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
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}
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}
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applicationVariants.all { variant ->
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tasks["merge${variant.name.capitalize()}Assets"]
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.dependsOn("externalNativeBuild${variant.name.capitalize()}")
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}
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sourceSets {
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main {
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jniLibs.srcDir 'libs'
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java.srcDirs = ['src/main/java']
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}
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}
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externalNativeBuild {
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cmake {
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path '../CMakeLists.txt'
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}
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}
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lint {
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abortOnError false
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}
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}
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dependencies {
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implementation fileTree(include: ['*.jar'], dir: 'libs')
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}

‎android/proguard-rules.pro

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# Add project specific ProGuard rules here.
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# By default, the flags in this file are appended to flags specified
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# in [sdk]/tools/proguard/proguard-android.txt
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# You can edit the include path and order by changing the proguardFiles
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# directive in build.gradle.
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#
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# For more details, see
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# http://developer.android.com/guide/developing/tools/proguard.html
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# Add any project specific keep options here:
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# If your project uses WebView with JS, uncomment the following
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# and specify the fully qualified class name to the JavaScript interface
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# class:
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#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
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# public *;
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#}

‎android/src/main/AndroidManifest.xml

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<?xml version="1.0" encoding="utf-8"?>
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<!-- Replace com.test.game with the identifier of your game below, e.g.
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com.gamemaker.game
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-->
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<manifest xmlns:android="http://schemas.android.com/apk/res/android"
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android:versionCode="1"
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android:versionName="devel"
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android:installLocation="auto">
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<!-- OpenGL ES 2.0 -->
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<uses-feature android:glEsVersion="0x00020000" />
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<!-- Touchscreen support -->
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<uses-feature
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android:name="android.hardware.touchscreen"
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android:required="false" />
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<!-- Game controller support -->
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<uses-feature
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android:name="android.hardware.bluetooth"
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android:required="false" />
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<uses-feature
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android:name="android.hardware.gamepad"
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android:required="false" />
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<uses-feature
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android:name="android.hardware.usb.host"
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android:required="false" />
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<!-- External mouse input events -->
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<uses-feature
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android:name="android.hardware.type.pc"
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android:required="false" />
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<!-- Audio recording support -->
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<!-- if you want to capture audio, uncomment this. -->
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<!-- <uses-feature
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android:name="android.hardware.microphone"
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android:required="false" /> -->
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<!-- <uses-permission android:name="android.permission.RECORD_AUDIO" /> -->
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<!-- Allow access to Bluetooth devices -->
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<!-- Currently this is just for Steam Controller support and requires setting SDL_HINT_JOYSTICK_HIDAPI_STEAM -->
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<!-- <uses-permission android:name="android.permission.BLUETOOTH" android:maxSdkVersion="30" /> -->
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<!-- <uses-permission android:name="android.permission.BLUETOOTH_CONNECT" /> -->
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<!-- Allow access to the vibrator -->
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<uses-permission android:name="android.permission.VIBRATE" />
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<!-- Create a Java class extending SDLActivity and place it in a
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directory under app/src/main/java matching the package, e.g. app/src/main/java/com/gamemaker/game/MyGame.java
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then replace "SDLActivity" with the name of your class (e.g. "MyGame")
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in the XML below.
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An example Java class can be found in README-android.md
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-->
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<application android:label="@string/app_name"
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android:icon="@mipmap/ic_launcher"
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android:allowBackup="true"
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android:theme="@style/AppTheme"
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android:hardwareAccelerated="true" >
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<!-- Example of setting SDL hints from AndroidManifest.xml:
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<meta-data android:name="SDL_ENV.SDL_ACCELEROMETER_AS_JOYSTICK" android:value="0"/>
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-->
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<activity android:name="MainActivity"
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android:label="@string/app_name"
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android:alwaysRetainTaskState="true"
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android:launchMode="singleInstance"
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android:configChanges="layoutDirection|locale|orientation|uiMode|screenLayout|screenSize|smallestScreenSize|keyboard|keyboardHidden|navigation"
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android:preferMinimalPostProcessing="true"
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android:exported="true"
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>
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<intent-filter>
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<action android:name="android.intent.action.MAIN" />
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<category android:name="android.intent.category.LAUNCHER" />
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</intent-filter>
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<!-- Let Android know that we can handle some USB devices and should receive this event -->
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<intent-filter>
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<action android:name="android.hardware.usb.action.USB_DEVICE_ATTACHED" />
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</intent-filter>
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</activity>
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</application>
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</manifest>

‎android/src/main/java/com/descent3/droid/MainActivity.java

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package com.descent3.droid;
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import org.libsdl.app.SDLActivity;
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public class MainActivity extends SDLActivity {
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@Override
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protected String[] getLibraries() {
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return new String[] {
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"SDL2",
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"Descent3",
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};
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}
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@Override
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protected String[] getArguments() {
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return super.getArguments();
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}
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}

‎android/src/main/java/org/libsdl/app/HIDDevice.java

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package org.libsdl.app;
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import android.hardware.usb.UsbDevice;
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interface HIDDevice
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{
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public int getId();
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public int getVendorId();
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public int getProductId();
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public String getSerialNumber();
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public int getVersion();
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public String getManufacturerName();
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public String getProductName();
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public UsbDevice getDevice();
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public boolean open();
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public int sendFeatureReport(byte[] report);
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public int sendOutputReport(byte[] report);
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public boolean getFeatureReport(byte[] report);
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public void setFrozen(boolean frozen);
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public void close();
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public void shutdown();
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}

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