feat: add android gradle for examples

.gitignore

@@ -1,2 +1,5 @@
+examples/***/android/gradle
+examples/***/android/build
+examples/***/android/.gradle
 ***/target
 /Cargo.lock

examples/multiple_joysticks_mobile/Cargo.toml

@@ -29,4 +29,4 @@ label = "Multiple Joystick"
 # Important: this solve the [issue](https://github.com/bevyengine/bevy/issues/8322)
 #
 [patch.crates-io]
-android-activity = { git = "https://github.com/MarijnS95/android-activity/", branch = "na-resize" }
+android-activity = { git = "https://github.com/rust-mobile/android-activity", rev = "79e03e08fbf70e374cb88d8ef8c89acaa006bbfc" }

examples/multiple_joysticks_mobile/android/AndroidManifest.xml

@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools">
+
+    <application
+        android:icon="@mipmap/ic_launcher"
+        android:label="Multiple Joysticks"
+        android:supportsRtl="true"
+        android:theme="@android:style/Theme.DeviceDefault.NoActionBar.Fullscreen">
+        <activity
+            android:name=".MainActivity"
+            android:exported="true"
+            android:screenOrientation="landscape"
+            android:configChanges="orientation|keyboardHidden|screenSize"
+            android:theme="@android:style/Theme.DeviceDefault.NoActionBar.Fullscreen">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+            <meta-data android:name="android.app.lib_name" android:value="multiple_joysticks_mobile" />
+        </activity>
+    </application>
+
+</manifest>

examples/multiple_joysticks_mobile/android/build.gradle

@@ -0,0 +1,151 @@
+buildscript {
+    apply from: "config.gradle"
+    repositories {
+        google()
+        mavenCentral()
+    }
+    dependencies {
+        classpath libraries.androidGradlePlugin
+        classpath libraries.kotlinGradlePlugin
+        classpath "org.mozilla.rust-android-gradle:plugin:0.9.3"
+    }
+}
+
+plugins {
+    id "org.mozilla.rust-android-gradle.rust-android" version "0.9.3"
+}
+
+allprojects {
+    repositories {
+        google()
+        mavenCentral()
+    }
+}
+
+apply plugin: "com.android.application"
+apply plugin: "org.jetbrains.kotlin.android"
+apply from: "config.gradle"
+
+dependencies {
+    implementation libraries.kotlinStdLib
+    implementation libraries.androidxAppcompat
+}
+
+android {
+    namespace getExportPackageName()
+    compileSdkVersion versions.compileSdk
+    buildToolsVersion versions.buildTools
+    ndkVersion versions.ndkVersion
+
+    compileOptions {
+        sourceCompatibility versions.javaVersion
+        targetCompatibility versions.javaVersion
+    }
+
+    kotlinOptions {
+        jvmTarget = versions.javaVersion
+    }
+
+    defaultConfig {
+        // The default ignore pattern for the "assets" directory includes hidden files and directories which are used by Crossbow projects.
+        aaptOptions {
+            ignoreAssetsPattern "!.svn:!.git:!.gitignore:!.ds_store:!*.scc:<dir>_*:!CVS:!thumbs.db:!picasa.ini:!*~"
+        }
+
+        // Feel free to modify the application id to your own.
+        applicationId getExportPackageName()
+        versionCode getExportVersionCode()
+        versionName getExportVersionName()
+        minSdkVersion getExportMinSdkVersion()
+        targetSdkVersion getExportTargetSdkVersion()
+
+        missingDimensionStrategy "products", "template"
+    }
+
+    lintOptions {
+        abortOnError false
+        disable "MissingTranslation", "UnusedResources"
+    }
+
+    sourceSets {
+        main {
+            manifest.srcFile "AndroidManifest.xml"
+            java.srcDirs = ["src"]
+            assets.srcDirs = ["../assets"]
+            res.srcDirs = ["../assets/android-res"]
+        }
+        // debug.jniLibs.srcDirs = ["../libs/debug"]
+        // release.jniLibs.srcDirs = ["../libs/release"]
+    }
+}
+
+apply plugin: "org.mozilla.rust-android-gradle.rust-android"
+
+cargo {
+    module  = "../"
+    libname = "multiple_joysticks_mobile"
+    targets = [
+        // "arm",
+        "arm64",
+        // "x86",
+        // "x86_64"
+    ]
+    targetDirectory = "../target"
+}
+
+//
+//
+// Automate copy std libc
+//
+//
+
+import org.apache.tools.ant.taskdefs.condition.Os
+
+tasks.whenTaskAdded { task ->
+    if (task.name == 'assembleDebug' || task.name == 'bundleDebug') {
+        cargo.profile = "debug"
+    } else if (task.name == 'assembleRelease' || task.name == 'bundleRelease') {
+        cargo.profile = "release"
+    }
+    if (task.name == 'mergeDebugJniLibFolders' || task.name == 'mergeReleaseJniLibFolders') {
+        task.dependsOn 'cargoBuild'
+    }
+    for (target in cargo.targets) {
+        if (task.name == "cargoBuild${target.capitalize()}") {
+            task.dependsOn "copy_libc++_shared${target.capitalize()}"
+        }
+    }
+}
+
+for (target in cargo.targets) {
+      tasks.register("copy_libc++_shared${target.capitalize()}", Copy) {
+        def ndkDir = android.ndkDirectory
+        def hostTag
+        if (Os.isFamily(Os.FAMILY_WINDOWS)) {
+            if (Os.isArch("x86_64") || Os.isArch("amd64")) {
+                hostTag = "windows-x86_64"
+            } else {
+                hostTag = "windows"
+            }
+        } else if (Os.isFamily(Os.FAMILY_MAC)) {
+            hostTag = "darwin-x86_64"
+        } else {
+            hostTag = "linux-x86_64"
+        }
+
+        def (abi, archTriple) = [
+            arm: ['armeabi-v7a', 'arm-linux-androideabi'],
+            arm64: ['arm64-v8a', 'aarch64-linux-android'],
+            x86: ['x86', 'i686-linux-android'],
+            x86_64: ['x86_64', 'x86_64-linux-android'],
+        ][target]
+
+        def from_path = "$ndkDir/toolchains/llvm/prebuilt/$hostTag/sysroot/usr/lib/$archTriple/libc++_shared.so"
+        def into_path = layout.buildDirectory.dir("rustJniLibs/android/$abi")
+
+        assert file(from_path).exists()
+
+        from from_path
+        into into_path
+    }
+}

examples/multiple_joysticks_mobile/android/config.gradle

@@ -0,0 +1,86 @@
+ext.versions = [
+    androidGradlePlugin: "7.4.2",
+    compileSdk         : 33,
+    minSdk             : 26,
+    targetSdk          : 31,
+    buildTools         : "30.0.3",
+    kotlinVersion      : "1.6.21",
+    fragmentVersion    : "1.3.6",
+    appcompatVersion   : "1.4.0",
+    nexusPublishVersion: "1.1.0",
+    javaVersion        : 17,
+    ndkVersion         : "25.1.8937393"
+]
+
+ext.libraries = [
+    androidGradlePlugin: "com.android.tools.build:gradle:$versions.androidGradlePlugin",
+    kotlinGradlePlugin : "org.jetbrains.kotlin:kotlin-gradle-plugin:$versions.kotlinVersion",
+    kotlinStdLib       : "org.jetbrains.kotlin:kotlin-stdlib:$versions.kotlinVersion",
+    androidxFragment   : "androidx.fragment:fragment:$versions.fragmentVersion",
+    androidxAppcompat  : "androidx.appcompat:appcompat:$versions.appcompatVersion",
+]
+
+// Project export values
+
+/**
+ * Parse the project properties for the 'custom_build_mode' property and return
+ * it for turning on custom build mode.
+ */
+ext.getCustomBuildMode = { ->
+    // Retrieve the custom_build_mode from the project property set by the Crossbow build command.
+    return project.hasProperty("custom_build_mode") ? project.property("custom_build_mode") : false
+}
+
+ext.getExportPackageName = { ->
+    // Retrieve the app id from the project property set by the Crossbow build command.
+    String appId = project.hasProperty("export_package_name") ? project.property("export_package_name") : ""
+    // Check if the app id is valid, otherwise use the default.
+    if (appId == null || appId.isEmpty()) {
+        appId = "com.sergioriebra.multiple_joysticks"
+    }
+    return appId
+}
+
+ext.getExportVersionCode = { ->
+    String versionCode = project.hasProperty("export_version_code") ? project.property("export_version_code") : ""
+    if (versionCode == null || versionCode.isEmpty()) {
+        versionCode = "1"
+    }
+    try {
+        return Integer.parseInt(versionCode)
+    } catch (NumberFormatException ignored) {
+        return 1
+    }
+}
+
+ext.getExportVersionName = { ->
+    String versionName = project.hasProperty("export_version_name") ? project.property("export_version_name") : ""
+    if (versionName == null || versionName.isEmpty()) {
+        versionName = "1.0"
+    }
+    return versionName
+}
+
+ext.getExportMinSdkVersion = { ->
+    String minSdkVersion = project.hasProperty("export_version_min_sdk") ? project.property("export_version_min_sdk") : ""
+    if (minSdkVersion == null || minSdkVersion.isEmpty()) {
+        minSdkVersion = "$versions.minSdk"
+    }
+    try {
+        return Integer.parseInt(minSdkVersion)
+    } catch (NumberFormatException ignored) {
+        return versions.minSdk
+    }
+}
+
+ext.getExportTargetSdkVersion = { ->
+    String targetSdkVersion = project.hasProperty("export_version_target_sdk") ? project.property("export_version_target_sdk") : ""
+    if (targetSdkVersion == null || targetSdkVersion.isEmpty()) {
+        targetSdkVersion = "$versions.targetSdk"
+    }
+    try {
+        return Integer.parseInt(targetSdkVersion)
+    } catch (NumberFormatException ignored) {
+        return versions.targetSdk
+    }
+}

examples/multiple_joysticks_mobile/android/gradle.properties

@@ -0,0 +1,7 @@
+org.gradle.jvmargs=-Xmx2048m -Dfile.encoding=UTF-8
+android.useAndroidX=true
+android.enableJetifier=true
+android.nonTransitiveRClass=true
+export_package_name=com.sergioribera.multiple_joysticks
+export_version_code=10
+export_version_name=1.0.0