[android] proof of concept

spine-android/.gitignore

@@ -0,0 +1,15 @@
+*.iml
+.gradle
+/local.properties
+/.idea/caches
+/.idea/libraries
+/.idea/modules.xml
+/.idea/workspace.xml
+/.idea/navEditor.xml
+/.idea/assetWizardSettings.xml
+.DS_Store
+/build
+/captures
+.externalNativeBuild
+.cxx
+local.properties

spine-android/app/.gitignore

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+/build

spine-android/app/build.gradle.kts

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+plugins {
+    alias(libs.plugins.androidApplication)
+    alias(libs.plugins.jetbrainsKotlinAndroid)
+}
+
+android {
+    namespace = "com.esotericsoftware.spine"
+    compileSdk = 34
+
+    defaultConfig {
+        applicationId = "com.esotericsoftware.spine"
+        minSdk = 24
+        targetSdk = 34
+        versionCode = 1
+        versionName = "1.0"
+
+        testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
+        vectorDrawables {
+            useSupportLibrary = true
+        }
+    }
+
+    buildTypes {
+        release {
+            isMinifyEnabled = false
+            proguardFiles(
+                getDefaultProguardFile("proguard-android-optimize.txt"),
+                "proguard-rules.pro"
+            )
+        }
+    }
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_1_8
+        targetCompatibility = JavaVersion.VERSION_1_8
+    }
+    kotlinOptions {
+        jvmTarget = "1.8"
+    }
+    buildFeatures {
+        compose = true
+    }
+    composeOptions {
+        kotlinCompilerExtensionVersion = "1.5.1"
+    }
+    packaging {
+        resources {
+            excludes += "/META-INF/{AL2.0,LGPL2.1}"
+        }
+    }
+}
+
+dependencies {
+
+    implementation(libs.androidx.core.ktx)
+    implementation(libs.androidx.lifecycle.runtime.ktx)
+    implementation(libs.androidx.activity.compose)
+    implementation(platform(libs.androidx.compose.bom))
+    implementation(libs.androidx.ui)
+    implementation(libs.androidx.ui.graphics)
+    implementation(libs.androidx.ui.tooling.preview)
+    implementation(libs.androidx.material3)
+    implementation(project(":spine-android"))
+    testImplementation(libs.junit)
+    androidTestImplementation(libs.androidx.junit)
+    androidTestImplementation(libs.androidx.espresso.core)
+    androidTestImplementation(platform(libs.androidx.compose.bom))
+    androidTestImplementation(libs.androidx.ui.test.junit4)
+    debugImplementation(libs.androidx.ui.tooling)
+    debugImplementation(libs.androidx.ui.test.manifest)
+}

spine-android/app/proguard-rules.pro

@@ -0,0 +1,21 @@
+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile

spine-android/app/src/androidTest/java/com/esotericsoftware/android/ExampleInstrumentedTest.kt

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+package com.esotericsoftware.android
+
+import androidx.test.platform.app.InstrumentationRegistry
+import androidx.test.ext.junit.runners.AndroidJUnit4
+
+import org.junit.Test
+import org.junit.runner.RunWith
+
+import org.junit.Assert.*
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
+ */
+@RunWith(AndroidJUnit4::class)
+class ExampleInstrumentedTest {
+    @Test
+    fun useAppContext() {
+        // Context of the app under test.
+        val appContext = InstrumentationRegistry.getInstrumentation().targetContext
+        assertEquals("com.esotericsoftware.spine", appContext.packageName)
+    }
+}

spine-android/app/src/main/AndroidManifest.xml

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+<?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:allowBackup="true"
+        android:dataExtractionRules="@xml/data_extraction_rules"
+        android:fullBackupContent="@xml/backup_rules"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:theme="@style/Theme.SpineAndroidExamples"
+        tools:targetApi="31">
+        <activity
+            android:name=".MainActivity"
+            android:exported="true"
+            android:label="@string/app_name"
+            android:theme="@style/Theme.SpineAndroidExamples">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>

spine-android/app/src/main/assets/spineboy.atlas

@@ -0,0 +1,94 @@
+spineboy.png
+	size: 1024, 256
+	filter: Linear, Linear
+	scale: 0.5
+crosshair
+	bounds: 352, 7, 45, 45
+eye-indifferent
+	bounds: 862, 105, 47, 45
+eye-surprised
+	bounds: 505, 79, 47, 45
+front-bracer
+	bounds: 826, 66, 29, 40
+front-fist-closed
+	bounds: 786, 65, 38, 41
+front-fist-open
+	bounds: 710, 51, 43, 44
+	rotate: 90
+front-foot
+	bounds: 210, 6, 63, 35
+front-shin
+	bounds: 665, 128, 41, 92
+	rotate: 90
+front-thigh
+	bounds: 2, 2, 23, 56
+	rotate: 90
+front-upper-arm
+	bounds: 250, 205, 23, 49
+goggles
+	bounds: 665, 171, 131, 83
+gun
+	bounds: 798, 152, 105, 102
+head
+	bounds: 2, 27, 136, 149
+hoverboard-board
+	bounds: 2, 178, 246, 76
+hoverboard-thruster
+	bounds: 722, 96, 30, 32
+	rotate: 90
+hoverglow-small
+	bounds: 275, 81, 137, 38
+mouth-grind
+	bounds: 614, 97, 47, 30
+mouth-oooo
+	bounds: 612, 65, 47, 30
+mouth-smile
+	bounds: 661, 64, 47, 30
+muzzle-glow
+	bounds: 382, 54, 25, 25
+muzzle-ring
+	bounds: 275, 54, 25, 105
+	rotate: 90
+muzzle01
+	bounds: 911, 95, 67, 40
+	rotate: 90
+muzzle02
+	bounds: 792, 108, 68, 42
+muzzle03
+	bounds: 956, 171, 83, 53
+	rotate: 90
+muzzle04
+	bounds: 275, 7, 75, 45
+muzzle05
+	bounds: 140, 3, 68, 38
+neck
+	bounds: 250, 182, 18, 21
+portal-bg
+	bounds: 140, 43, 133, 133
+portal-flare1
+	bounds: 554, 65, 56, 30
+portal-flare2
+	bounds: 759, 112, 57, 31
+	rotate: 90
+portal-flare3
+	bounds: 554, 97, 58, 30
+portal-shade
+	bounds: 275, 121, 133, 133
+portal-streaks1
+	bounds: 410, 126, 126, 128
+portal-streaks2
+	bounds: 538, 129, 125, 125
+rear-bracer
+	bounds: 857, 67, 28, 36
+rear-foot
+	bounds: 663, 96, 57, 30
+rear-shin
+	bounds: 414, 86, 38, 89
+	rotate: 90
+rear-thigh
+	bounds: 756, 63, 28, 47
+rear-upper-arm
+	bounds: 60, 5, 20, 44
+	rotate: 90
+torso
+	bounds: 905, 164, 49, 90

spine-android/app/src/main/java/com/esotericsoftware/spine/MainActivity.kt

@@ -0,0 +1,64 @@
+package com.esotericsoftware.spine
+
+import android.os.Bundle
+import androidx.activity.ComponentActivity
+import androidx.activity.compose.setContent
+import androidx.compose.foundation.Image
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Surface
+import androidx.compose.ui.Modifier
+import com.esotericsoftware.spine.ui.theme.SpineAndroidExamplesTheme
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.graphics.painter.Painter
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.res.painterResource
+import androidx.compose.ui.viewinterop.AndroidView
+import com.esotericsoftware.spine.android.SpineView
+
+class MainActivity : ComponentActivity() {
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContent {
+            AppContent()
+        }
+    }
+}
+
+@Composable
+fun AppContent() {
+    SpineAndroidExamplesTheme {
+        Surface(
+            modifier = Modifier.fillMaxSize(),
+            color = MaterialTheme.colorScheme.background
+        ) {
+            Box {
+                BackgroundImage()
+                SpineViewComposable()
+            }
+        }
+    }
+}
+
+@Composable
+fun SpineViewComposable(modifier: Modifier = Modifier.fillMaxSize()) {
+    val context = LocalContext.current
+    AndroidView(
+        factory = { ctx ->
+            SpineView(ctx).apply {
+            }
+        },
+        modifier = modifier
+    )
+}
+
+@Composable
+fun BackgroundImage() {
+    val image: Painter = painterResource(id = com.esotericsoftware.spine.R.drawable.img) // Replace with your image resource
+    Image(
+        painter = image,
+        contentDescription = null,
+        modifier = Modifier.fillMaxSize()
+    )
+}

spine-android/app/src/main/java/com/esotericsoftware/spine/ui/theme/Color.kt

@@ -0,0 +1,11 @@
+package com.esotericsoftware.spine.ui.theme
+
+import androidx.compose.ui.graphics.Color
+
+val Purple80 = Color(0xFFD0BCFF)
+val PurpleGrey80 = Color(0xFFCCC2DC)
+val Pink80 = Color(0xFFEFB8C8)
+
+val Purple40 = Color(0xFF6650a4)
+val PurpleGrey40 = Color(0xFF625b71)
+val Pink40 = Color(0xFF7D5260)

spine-android/app/src/main/java/com/esotericsoftware/spine/ui/theme/Theme.kt

@@ -0,0 +1,70 @@
+package com.esotericsoftware.spine.ui.theme
+
+import android.app.Activity
+import android.os.Build
+import androidx.compose.foundation.isSystemInDarkTheme
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.darkColorScheme
+import androidx.compose.material3.dynamicDarkColorScheme
+import androidx.compose.material3.dynamicLightColorScheme
+import androidx.compose.material3.lightColorScheme
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.SideEffect
+import androidx.compose.ui.graphics.toArgb
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.platform.LocalView
+import androidx.core.view.WindowCompat
+
+private val DarkColorScheme = darkColorScheme(
+    primary = Purple80,
+    secondary = PurpleGrey80,
+    tertiary = Pink80
+)
+
+private val LightColorScheme = lightColorScheme(
+    primary = Purple40,
+    secondary = PurpleGrey40,
+    tertiary = Pink40
+
+    /* Other default colors to override
+    background = Color(0xFFFFFBFE),
+    surface = Color(0xFFFFFBFE),
+    onPrimary = Color.White,
+    onSecondary = Color.White,
+    onTertiary = Color.White,
+    onBackground = Color(0xFF1C1B1F),
+    onSurface = Color(0xFF1C1B1F),
+    */
+)
+
+@Composable
+fun SpineAndroidExamplesTheme(
+    darkTheme: Boolean = isSystemInDarkTheme(),
+    // Dynamic color is available on Android 12+
+    dynamicColor: Boolean = true,
+    content: @Composable () -> Unit
+) {
+    val colorScheme = when {
+        dynamicColor && Build.VERSION.SDK_INT >= Build.VERSION_CODES.S -> {
+            val context = LocalContext.current
+            if (darkTheme) dynamicDarkColorScheme(context) else dynamicLightColorScheme(context)
+        }
+
+        darkTheme -> DarkColorScheme
+        else -> LightColorScheme
+    }
+    val view = LocalView.current
+    if (!view.isInEditMode) {
+        SideEffect {
+            val window = (view.context as Activity).window
+            window.statusBarColor = colorScheme.primary.toArgb()
+            WindowCompat.getInsetsController(window, view).isAppearanceLightStatusBars = darkTheme
+        }
+    }
+
+    MaterialTheme(
+        colorScheme = colorScheme,
+        typography = Typography,
+        content = content
+    )
+}

spine-android/app/src/main/java/com/esotericsoftware/spine/ui/theme/Type.kt

@@ -0,0 +1,34 @@
+package com.esotericsoftware.spine.ui.theme
+
+import androidx.compose.material3.Typography
+import androidx.compose.ui.text.TextStyle
+import androidx.compose.ui.text.font.FontFamily
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.unit.sp
+
+// Set of Material typography styles to start with
+val Typography = Typography(
+    bodyLarge = TextStyle(
+        fontFamily = FontFamily.Default,
+        fontWeight = FontWeight.Normal,
+        fontSize = 16.sp,
+        lineHeight = 24.sp,
+        letterSpacing = 0.5.sp
+    )
+    /* Other default text styles to override
+    titleLarge = TextStyle(
+        fontFamily = FontFamily.Default,
+        fontWeight = FontWeight.Normal,
+        fontSize = 22.sp,
+        lineHeight = 28.sp,
+        letterSpacing = 0.sp
+    ),
+    labelSmall = TextStyle(
+        fontFamily = FontFamily.Default,
+        fontWeight = FontWeight.Medium,
+        fontSize = 11.sp,
+        lineHeight = 16.sp,
+        letterSpacing = 0.5.sp
+    )
+    */
+)

spine-android/app/src/main/res/drawable/ic_launcher_background.xml

@@ -0,0 +1,170 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+    <path
+        android:fillColor="#3DDC84"
+        android:pathData="M0,0h108v108h-108z" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M9,0L9,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,0L19,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M29,0L29,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M39,0L39,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M49,0L49,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M59,0L59,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M69,0L69,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M79,0L79,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M89,0L89,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M99,0L99,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,9L108,9"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,19L108,19"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,29L108,29"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,39L108,39"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,49L108,49"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,59L108,59"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,69L108,69"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,79L108,79"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,89L108,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,99L108,99"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,29L89,29"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,39L89,39"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,49L89,49"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,59L89,59"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,69L89,69"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,79L89,79"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M29,19L29,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M39,19L39,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M49,19L49,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M59,19L59,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M69,19L69,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M79,19L79,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+</vector>

spine-android/app/src/main/res/drawable/ic_launcher_foreground.xml

@@ -0,0 +1,30 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:aapt="http://schemas.android.com/aapt"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+    <path android:pathData="M31,63.928c0,0 6.4,-11 12.1,-13.1c7.2,-2.6 26,-1.4 26,-1.4l38.1,38.1L107,108.928l-32,-1L31,63.928z">
+        <aapt:attr name="android:fillColor">
+            <gradient
+                android:endX="85.84757"
+                android:endY="92.4963"
+                android:startX="42.9492"
+                android:startY="49.59793"
+                android:type="linear">
+                <item
+                    android:color="#44000000"
+                    android:offset="0.0" />
+                <item
+                    android:color="#00000000"
+                    android:offset="1.0" />
+            </gradient>
+        </aapt:attr>
+    </path>
+    <path
+        android:fillColor="#FFFFFF"
+        android:fillType="nonZero"
+        android:pathData="M65.3,45.828l3.8,-6.6c0.2,-0.4 0.1,-0.9 -0.3,-1.1c-0.4,-0.2 -0.9,-0.1 -1.1,0.3l-3.9,6.7c-6.3,-2.8 -13.4,-2.8 -19.7,0l-3.9,-6.7c-0.2,-0.4 -0.7,-0.5 -1.1,-0.3C38.8,38.328 38.7,38.828 38.9,39.228l3.8,6.6C36.2,49.428 31.7,56.028 31,63.928h46C76.3,56.028 71.8,49.428 65.3,45.828zM43.4,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2c-0.3,-0.7 -0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C45.3,56.528 44.5,57.328 43.4,57.328L43.4,57.328zM64.6,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2s-0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C66.5,56.528 65.6,57.328 64.6,57.328L64.6,57.328z"
+        android:strokeWidth="1"
+        android:strokeColor="#00000000" />
+</vector>

spine-android/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background" />
+    <foreground android:drawable="@drawable/ic_launcher_foreground" />
+    <monochrome android:drawable="@drawable/ic_launcher_foreground" />
+</adaptive-icon>

spine-android/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background" />
+    <foreground android:drawable="@drawable/ic_launcher_foreground" />
+    <monochrome android:drawable="@drawable/ic_launcher_foreground" />
+</adaptive-icon>

spine-android/app/src/main/res/values/colors.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="purple_200">#FFBB86FC</color>
+    <color name="purple_500">#FF6200EE</color>
+    <color name="purple_700">#FF3700B3</color>
+    <color name="teal_200">#FF03DAC5</color>
+    <color name="teal_700">#FF018786</color>
+    <color name="black">#FF000000</color>
+    <color name="white">#FFFFFFFF</color>
+</resources>

spine-android/app/src/main/res/values/strings.xml

@@ -0,0 +1,3 @@
+<resources>
+    <string name="app_name">Spine Android Examples</string>
+</resources>

spine-android/app/src/main/res/values/themes.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+
+    <style name="Theme.SpineAndroidExamples" parent="android:Theme.Material.Light.NoActionBar" />
+</resources>

spine-android/app/src/main/res/xml/backup_rules.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+   Sample backup rules file; uncomment and customize as necessary.
+   See https://developer.android.com/guide/topics/data/autobackup
+   for details.
+   Note: This file is ignored for devices older that API 31
+   See https://developer.android.com/about/versions/12/backup-restore
+-->
+<full-backup-content>
+    <!--
+   <include domain="sharedpref" path="."/>
+   <exclude domain="sharedpref" path="device.xml"/>
+-->
+</full-backup-content>

spine-android/app/src/main/res/xml/data_extraction_rules.xml

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+   Sample data extraction rules file; uncomment and customize as necessary.
+   See https://developer.android.com/about/versions/12/backup-restore#xml-changes
+   for details.
+-->
+<data-extraction-rules>
+    <cloud-backup>
+        <!-- TODO: Use <include> and <exclude> to control what is backed up.
+        <include .../>
+        <exclude .../>
+        -->
+    </cloud-backup>
+    <!--
+    <device-transfer>
+        <include .../>
+        <exclude .../>
+    </device-transfer>
+    -->
+</data-extraction-rules>

spine-android/app/src/test/java/com/esotericsoftware/android/ExampleUnitTest.kt

@@ -0,0 +1,17 @@
+package com.esotericsoftware.android
+
+import org.junit.Test
+
+import org.junit.Assert.*
+
+/**
+ * Example local unit test, which will execute on the development machine (host).
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
+ */
+class ExampleUnitTest {
+    @Test
+    fun addition_isCorrect() {
+        assertEquals(4, 2 + 2)
+    }
+}

spine-android/build.gradle.kts

@@ -0,0 +1,6 @@
+// Top-level build file where you can add configuration options common to all sub-projects/modules.
+plugins {
+    alias(libs.plugins.androidApplication) apply false
+    alias(libs.plugins.jetbrainsKotlinAndroid) apply false
+    alias(libs.plugins.androidLibrary) apply false
+}

spine-android/gradle.properties

@@ -0,0 +1,23 @@
+# Project-wide Gradle settings.
+# IDE (e.g. Android Studio) users:
+# Gradle settings configured through the IDE *will override*
+# any settings specified in this file.
+# For more details on how to configure your build environment visit
+# http://www.gradle.org/docs/current/userguide/build_environment.html
+# Specifies the JVM arguments used for the daemon process.
+# The setting is particularly useful for tweaking memory settings.
+org.gradle.jvmargs=-Xmx2048m -Dfile.encoding=UTF-8
+# When configured, Gradle will run in incubating parallel mode.
+# This option should only be used with decoupled projects. For more details, visit
+# https://developer.android.com/r/tools/gradle-multi-project-decoupled-projects
+# org.gradle.parallel=true
+# AndroidX package structure to make it clearer which packages are bundled with the
+# Android operating system, and which are packaged with your app's APK
+# https://developer.android.com/topic/libraries/support-library/androidx-rn
+android.useAndroidX=true
+# Kotlin code style for this project: "official" or "obsolete":
+kotlin.code.style=official
+# Enables namespacing of each library's R class so that its R class includes only the
+# resources declared in the library itself and none from the library's dependencies,
+# thereby reducing the size of the R class for that library
+android.nonTransitiveRClass=true

spine-android/gradle/libs.versions.toml

@@ -0,0 +1,36 @@
+[versions]
+agp = "8.3.1"
+kotlin = "1.9.0"
+coreKtx = "1.10.1"
+junit = "4.13.2"
+junitVersion = "1.1.5"
+espressoCore = "3.5.1"
+lifecycleRuntimeKtx = "2.6.1"
+activityCompose = "1.7.0"
+composeBom = "2023.08.00"
+appcompat = "1.6.1"
+material = "1.10.0"
+
+[libraries]
+androidx-core-ktx = { group = "androidx.core", name = "core-ktx", version.ref = "coreKtx" }
+junit = { group = "junit", name = "junit", version.ref = "junit" }
+androidx-junit = { group = "androidx.test.ext", name = "junit", version.ref = "junitVersion" }
+androidx-espresso-core = { group = "androidx.test.espresso", name = "espresso-core", version.ref = "espressoCore" }
+androidx-lifecycle-runtime-ktx = { group = "androidx.lifecycle", name = "lifecycle-runtime-ktx", version.ref = "lifecycleRuntimeKtx" }
+androidx-activity-compose = { group = "androidx.activity", name = "activity-compose", version.ref = "activityCompose" }
+androidx-compose-bom = { group = "androidx.compose", name = "compose-bom", version.ref = "composeBom" }
+androidx-ui = { group = "androidx.compose.ui", name = "ui" }
+androidx-ui-graphics = { group = "androidx.compose.ui", name = "ui-graphics" }
+androidx-ui-tooling = { group = "androidx.compose.ui", name = "ui-tooling" }
+androidx-ui-tooling-preview = { group = "androidx.compose.ui", name = "ui-tooling-preview" }
+androidx-ui-test-manifest = { group = "androidx.compose.ui", name = "ui-test-manifest" }
+androidx-ui-test-junit4 = { group = "androidx.compose.ui", name = "ui-test-junit4" }
+androidx-material3 = { group = "androidx.compose.material3", name = "material3" }
+androidx-appcompat = { group = "androidx.appcompat", name = "appcompat", version.ref = "appcompat" }
+material = { group = "com.google.android.material", name = "material", version.ref = "material" }
+
+[plugins]
+androidApplication = { id = "com.android.application", version.ref = "agp" }
+jetbrainsKotlinAndroid = { id = "org.jetbrains.kotlin.android", version.ref = "kotlin" }
+androidLibrary = { id = "com.android.library", version.ref = "agp" }
+

spine-android/gradle/wrapper/gradle-wrapper.properties

@@ -0,0 +1,6 @@
+#Thu Apr 25 11:12:13 CEST 2024
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.4-bin.zip
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists

spine-android/gradlew

@@ -0,0 +1,185 @@
+#!/usr/bin/env sh
+
+#
+# Copyright 2015 the original author or authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+##############################################################################
+##
+##  Gradle start up script for UN*X
+##
+##############################################################################
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+        PRG="$link"
+    else
+        PRG=`dirname "$PRG"`"/$link"
+    fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >/dev/null
+APP_HOME="`pwd -P`"
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+        # IBM's JDK on AIX uses strange locations for the executables
+        JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+        JAVACMD="$JAVA_HOME/bin/java"
+    fi
+    if [ ! -x "$JAVACMD" ] ; then
+        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD="java"
+    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
+    MAX_FD_LIMIT=`ulimit -H -n`
+    if [ $? -eq 0 ] ; then
+        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+            MAX_FD="$MAX_FD_LIMIT"
+        fi
+        ulimit -n $MAX_FD
+        if [ $? -ne 0 ] ; then
+            warn "Could not set maximum file descriptor limit: $MAX_FD"
+        fi
+    else
+        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+    fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin or MSYS, switch paths to Windows format before running java
+if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
+    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+
+    JAVACMD=`cygpath --unix "$JAVACMD"`
+
+    # We build the pattern for arguments to be converted via cygpath
+    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+    SEP=""
+    for dir in $ROOTDIRSRAW ; do
+        ROOTDIRS="$ROOTDIRS$SEP$dir"
+        SEP="|"
+    done
+    OURCYGPATTERN="(^($ROOTDIRS))"
+    # Add a user-defined pattern to the cygpath arguments
+    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+    fi
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    i=0
+    for arg in "$@" ; do
+        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
+
+        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
+            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+        else
+            eval `echo args$i`="\"$arg\""
+        fi
+        i=`expr $i + 1`
+    done
+    case $i in
+        0) set -- ;;
+        1) set -- "$args0" ;;
+        2) set -- "$args0" "$args1" ;;
+        3) set -- "$args0" "$args1" "$args2" ;;
+        4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+    esac
+fi
+
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
+}
+APP_ARGS=`save "$@"`
+
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+exec "$JAVACMD" "$@"

spine-android/gradlew.bat

@@ -0,0 +1,89 @@
+@rem
+@rem Copyright 2015 the original author or authors.
+@rem
+@rem Licensed under the Apache License, Version 2.0 (the "License");
+@rem you may not use this file except in compliance with the License.
+@rem You may obtain a copy of the License at
+@rem
+@rem      https://www.apache.org/licenses/LICENSE-2.0
+@rem
+@rem Unless required by applicable law or agreed to in writing, software
+@rem distributed under the License is distributed on an "AS IS" BASIS,
+@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+@rem See the License for the specific language governing permissions and
+@rem limitations under the License.
+@rem
+
+@if "%DEBUG%" == "" @echo off
+@rem ##########################################################################
+@rem
+@rem  Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" setlocal
+
+set DIRNAME=%~dp0
+if "%DIRNAME%" == "" set DIRNAME=.
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Resolve any "." and ".." in APP_HOME to make it shorter.
+for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if "%ERRORLEVEL%" == "0" goto execute
+
+echo.
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto execute
+
+echo.
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:execute
+@rem Setup the command line
+
+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
+
+
+@rem Execute Gradle
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %*
+
+:end
+@rem End local scope for the variables with windows NT shell
+if "%ERRORLEVEL%"=="0" goto mainEnd
+
+:fail
+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
+rem the _cmd.exe /c_ return code!
+if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
+exit /b 1
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega

spine-android/settings.gradle.kts

@@ -0,0 +1,34 @@
+pluginManagement {
+    repositories {
+        google {
+            content {
+                includeGroupByRegex("com\\.android.*")
+                includeGroupByRegex("com\\.google.*")
+                includeGroupByRegex("androidx.*")
+            }
+        }
+        mavenCentral()
+        gradlePluginPortal()
+    }
+}
+dependencyResolutionManagement {
+    repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS)
+    repositories {
+        google()
+        mavenCentral()
+    }
+}
+
+rootProject.name = "Spine Android Examples"
+includeBuild("../spine-libgdx") {
+    dependencySubstitution {
+        substitute(module("com.esotericsoftware.spine:spine-libgdx")).using(project(":spine-libgdx"))
+    }
+}
+includeBuild("../../libgdx") {
+    dependencySubstitution {
+        substitute(module("com.badlogicgames.gdx:gdx")).using(project(":gdx"))
+    }
+}
+include(":app")
+include(":spine-android")

spine-android/spine-android/.gitignore

@@ -0,0 +1 @@
+/build

spine-android/spine-android/build.gradle.kts

@@ -0,0 +1,40 @@
+plugins {
+    alias(libs.plugins.androidLibrary)
+}
+
+android {
+    namespace = "com.esotericsoftware.spine"
+    compileSdk = 34
+
+    defaultConfig {
+        minSdk = 24
+
+        testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
+        consumerProguardFiles("consumer-rules.pro")
+    }
+
+    buildTypes {
+        release {
+            isMinifyEnabled = false
+            proguardFiles(
+                getDefaultProguardFile("proguard-android-optimize.txt"),
+                "proguard-rules.pro"
+            )
+        }
+    }
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_1_8
+        targetCompatibility = JavaVersion.VERSION_1_8
+    }
+}
+
+dependencies {
+
+    implementation(libs.androidx.appcompat)
+    implementation(libs.material)
+    implementation("com.badlogicgames.gdx:gdx:1.12.1")
+    implementation("com.esotericsoftware.spine:spine-libgdx:4.2.0")
+    testImplementation(libs.junit)
+    androidTestImplementation(libs.androidx.junit)
+    androidTestImplementation(libs.androidx.espresso.core)
+}

spine-android/spine-android/proguard-rules.pro

@@ -0,0 +1,21 @@
+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile

spine-android/spine-android/src/androidTest/java/com/esotericsoftware/android/ExampleInstrumentedTest.java

@@ -0,0 +1,26 @@
+package com.esotericsoftware.android;
+
+import android.content.Context;
+
+import androidx.test.platform.app.InstrumentationRegistry;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import static org.junit.Assert.*;
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+@RunWith(AndroidJUnit4.class)
+public class ExampleInstrumentedTest {
+    @Test
+    public void useAppContext() {
+        // Context of the app under test.
+        Context appContext = InstrumentationRegistry.getInstrumentation().getTargetContext();
+        assertEquals("com.esotericsoftware.spine.test", appContext.getPackageName());
+    }
+}

spine-android/spine-android/src/main/AndroidManifest.xml

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+
+</manifest>

spine-android/spine-android/src/main/java/com/esotericsoftware/spine/android/AndroidAtlasAttachmentLoader.java

@@ -0,0 +1,110 @@
+/******************************************************************************
+ * Spine Runtimes License Agreement
+ * Last updated July 28, 2023. Replaces all prior versions.
+ *
+ * Copyright (c) 2013-2023, Esoteric Software LLC
+ *
+ * Integration of the Spine Runtimes into software or otherwise creating
+ * derivative works of the Spine Runtimes is permitted under the terms and
+ * conditions of Section 2 of the Spine Editor License Agreement:
+ * http://esotericsoftware.com/spine-editor-license
+ *
+ * Otherwise, it is permitted to integrate the Spine Runtimes into software or
+ * otherwise create derivative works of the Spine Runtimes (collectively,
+ * "Products"), provided that each user of the Products must obtain their own
+ * Spine Editor license and redistribution of the Products in any form must
+ * include this license and copyright notice.
+ *
+ * THE SPINE RUNTIMES ARE PROVIDED BY ESOTERIC SOFTWARE LLC "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL ESOTERIC SOFTWARE LLC BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES,
+ * BUSINESS INTERRUPTION, OR LOSS OF USE, DATA, OR PROFITS) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THE
+ * SPINE RUNTIMES, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *****************************************************************************/
+
+package com.esotericsoftware.spine.android;
+
+import com.badlogic.gdx.graphics.g2d.TextureAtlas;
+import com.badlogic.gdx.graphics.g2d.TextureAtlas.AtlasRegion;
+import com.badlogic.gdx.graphics.g2d.TextureRegion;
+import com.badlogic.gdx.utils.Null;
+
+import com.esotericsoftware.spine.Skin;
+import com.esotericsoftware.spine.attachments.AttachmentLoader;
+import com.esotericsoftware.spine.attachments.BoundingBoxAttachment;
+import com.esotericsoftware.spine.attachments.ClippingAttachment;
+import com.esotericsoftware.spine.attachments.MeshAttachment;
+import com.esotericsoftware.spine.attachments.PathAttachment;
+import com.esotericsoftware.spine.attachments.PointAttachment;
+import com.esotericsoftware.spine.attachments.RegionAttachment;
+import com.esotericsoftware.spine.attachments.Sequence;
+
+/** An {@link AttachmentLoader} that configures attachments using texture regions from an {@link AndroidTextureAtlas}.
+ * <p>
+ * See <a href='http://esotericsoftware.com/spine-loading-skeleton-data#JSON-and-binary-data'>Loading skeleton data</a> in the
+ * Spine Runtimes Guide. */
+@SuppressWarnings("javadoc")
+public class AndroidAtlasAttachmentLoader implements AttachmentLoader {
+    private AndroidTextureAtlas atlas;
+
+    public AndroidAtlasAttachmentLoader (AndroidTextureAtlas atlas) {
+        if (atlas == null) throw new IllegalArgumentException("atlas cannot be null.");
+        this.atlas = atlas;
+    }
+
+    private void loadSequence (String name, String basePath, Sequence sequence) {
+        TextureRegion[] regions = sequence.getRegions();
+        for (int i = 0, n = regions.length; i < n; i++) {
+            String path = sequence.getPath(basePath, i);
+            regions[i] = atlas.findRegion(path);
+            if (regions[i] == null) throw new RuntimeException("Region not found in atlas: " + path + " (sequence: " + name + ")");
+        }
+    }
+
+    public RegionAttachment newRegionAttachment (Skin skin, String name, String path, @Null Sequence sequence) {
+        RegionAttachment attachment = new RegionAttachment(name);
+        if (sequence != null)
+            loadSequence(name, path, sequence);
+        else {
+            AtlasRegion region = atlas.findRegion(path);
+            if (region == null)
+                throw new RuntimeException("Region not found in atlas: " + path + " (region attachment: " + name + ")");
+            attachment.setRegion(region);
+        }
+        return attachment;
+    }
+
+    public MeshAttachment newMeshAttachment (Skin skin, String name, String path, @Null Sequence sequence) {
+        MeshAttachment attachment = new MeshAttachment(name);
+        if (sequence != null)
+            loadSequence(name, path, sequence);
+        else {
+            AtlasRegion region = atlas.findRegion(path);
+            if (region == null)
+                throw new RuntimeException("Region not found in atlas: " + path + " (mesh attachment: " + name + ")");
+            attachment.setRegion(region);
+        }
+        return attachment;
+    }
+
+    public BoundingBoxAttachment newBoundingBoxAttachment (Skin skin, String name) {
+        return new BoundingBoxAttachment(name);
+    }
+
+    public ClippingAttachment newClippingAttachment (Skin skin, String name) {
+        return new ClippingAttachment(name);
+    }
+
+    public PathAttachment newPathAttachment (Skin skin, String name) {
+        return new PathAttachment(name);
+    }
+
+    public PointAttachment newPointAttachment (Skin skin, String name) {
+        return new PointAttachment(name);
+    }
+}

spine-android/spine-android/src/main/java/com/esotericsoftware/spine/android/AndroidTexture.java

@@ -0,0 +1,45 @@
+package com.esotericsoftware.spine.android;
+
+import android.graphics.Bitmap;
+import android.graphics.BitmapShader;
+import android.graphics.Paint;
+import android.graphics.Shader;
+
+import com.badlogic.gdx.graphics.Texture;
+import com.badlogic.gdx.graphics.TextureData;
+
+public class AndroidTexture extends Texture {
+    private Bitmap bitmap;
+    private Paint paint;
+
+    protected AndroidTexture(Bitmap bitmap) {
+        super();
+        this.bitmap = bitmap;
+        this.paint = new Paint();
+        BitmapShader shader = new BitmapShader(bitmap, Shader.TileMode.CLAMP, Shader.TileMode.CLAMP);
+        paint.setShader(shader);
+    }
+
+    public Bitmap getBitmap() {
+        return bitmap;
+    }
+
+    public Paint getPaint() {
+        return paint;
+    }
+
+    @Override
+    public int getWidth() {
+        return bitmap.getWidth();
+    }
+
+    @Override
+    public int getHeight() {
+        return bitmap.getHeight();
+    }
+
+    @Override
+    public void dispose() {
+        bitmap.recycle();
+    }
+}

spine-android/spine-android/src/main/java/com/esotericsoftware/spine/android/AndroidTextureAtlas.java

@@ -0,0 +1,98 @@
+package com.esotericsoftware.spine.android;
+
+import android.content.res.AssetManager;
+import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
+
+import com.badlogic.gdx.files.FileHandle;
+import com.badlogic.gdx.graphics.g2d.TextureAtlas;
+import com.badlogic.gdx.graphics.g2d.TextureAtlas.TextureAtlasData;
+import com.badlogic.gdx.graphics.g2d.TextureAtlas.AtlasRegion;
+import com.badlogic.gdx.utils.Array;
+import com.badlogic.gdx.utils.Null;
+
+import java.io.BufferedInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.nio.Buffer;
+
+public class AndroidTextureAtlas {
+    private static interface BitmapLoader {
+        Bitmap load(String path);
+    }
+
+    private Array<AndroidTexture> textures = new Array<>();
+    private Array<AtlasRegion> regions = new Array<>();
+    private AndroidTextureAtlas(TextureAtlasData data, BitmapLoader bitmapLoader) {
+        for (TextureAtlasData.Page page: data.getPages()) {
+            page.texture = new AndroidTexture(bitmapLoader.load(page.textureFile.path()));
+            textures.add((AndroidTexture) page.texture);
+        }
+
+        for (TextureAtlasData.Region region : data.getRegions()) {
+            AtlasRegion atlasRegion = new AtlasRegion(region.page.texture, region.left, region.top, //
+                    region.rotate ? region.height : region.width, //
+                    region.rotate ? region.width : region.height);
+            atlasRegion.index = region.index;
+            atlasRegion.name = region.name;
+            atlasRegion.offsetX = region.offsetX;
+            atlasRegion.offsetY = region.offsetY;
+            atlasRegion.originalHeight = region.originalHeight;
+            atlasRegion.originalWidth = region.originalWidth;
+            atlasRegion.rotate = region.rotate;
+            atlasRegion.degrees = region.degrees;
+            atlasRegion.names = region.names;
+            atlasRegion.values = region.values;
+            if (region.flip) atlasRegion.flip(false, true);
+            regions.add(atlasRegion);
+        }
+    }
+
+    /** Returns the first region found with the specified name. This method uses string comparison to find the region, so the
+     * result should be cached rather than calling this method multiple times. */
+    public @Null AtlasRegion findRegion (String name) {
+        for (int i = 0, n = regions.size; i < n; i++)
+            if (regions.get(i).name.equals(name)) return regions.get(i);
+        return null;
+    }
+
+    public Array<AndroidTexture> getTextures() {
+        return textures;
+    }
+
+    public Array<AtlasRegion> getRegions() {
+        return regions;
+    }
+
+    static public AndroidTextureAtlas loadFromAssets(String atlasFile, AssetManager assetManager) {
+        TextureAtlasData data = new TextureAtlasData();
+
+        try {
+            FileHandle inputFile = new FileHandle() {
+                @Override
+                public InputStream read() {
+                    try {
+                        return assetManager.open(atlasFile);
+                    } catch (IOException e) {
+                        throw new RuntimeException(e);
+                    }
+                }
+            };
+            data.load(inputFile, new FileHandle(atlasFile).parent(), false);
+        } catch (Throwable t) {
+            throw new RuntimeException(t);
+        }
+
+        return new AndroidTextureAtlas(data, new BitmapLoader() {
+            @Override
+            public Bitmap load(String path) {
+                path = path.startsWith("/") ? path.substring(1) : path;
+                try (InputStream in = new BufferedInputStream(assetManager.open(path))) {
+                    return BitmapFactory.decodeStream(in);
+                } catch (Throwable t) {
+                    throw new RuntimeException(t);
+                }
+            }
+        });
+    }
+}

spine-android/spine-android/src/main/java/com/esotericsoftware/spine/android/SpineView.java

@@ -0,0 +1,231 @@
+package com.esotericsoftware.spine.android;
+
+import android.content.Context;
+import android.content.res.AssetManager;
+import android.graphics.Canvas;
+import android.graphics.Color;
+import android.graphics.Paint;
+import android.util.AttributeSet;
+import android.view.Choreographer;
+import android.view.View;
+
+import com.badlogic.gdx.math.MathUtils;
+import com.badlogic.gdx.math.Vector2;
+import com.badlogic.gdx.utils.Array;
+import com.badlogic.gdx.utils.FloatArray;
+import com.badlogic.gdx.utils.IntArray;
+import com.esotericsoftware.spine.AnimationState;
+import com.esotericsoftware.spine.AnimationStateData;
+import com.esotericsoftware.spine.BlendMode;
+import com.esotericsoftware.spine.Skeleton;
+import com.esotericsoftware.spine.SkeletonBinary;
+import com.esotericsoftware.spine.SkeletonData;
+import com.esotericsoftware.spine.Slot;
+import com.esotericsoftware.spine.attachments.Attachment;
+import com.esotericsoftware.spine.attachments.ClippingAttachment;
+import com.esotericsoftware.spine.attachments.MeshAttachment;
+import com.esotericsoftware.spine.attachments.RegionAttachment;
+import com.esotericsoftware.spine.utils.SkeletonClipping;
+
+import java.io.BufferedInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+
+public class SpineView extends View implements Choreographer.FrameCallback {
+    private long lastTime = 0;
+    private long delta = 0;
+    private Paint textPaint;
+    int instances = 100;
+    Vector2[] coords = new Vector2[instances];
+    AndroidTextureAtlas atlas;
+    SkeletonData data;
+    Array<Skeleton> skeletons = new Array<>();
+
+    Array<AnimationState> states = new Array<>();
+
+    public SpineView(Context context) {
+        super(context);
+        init();
+    }
+
+    public SpineView(Context context, AttributeSet attrs) {
+        super(context, attrs);
+        init();
+    }
+
+    public SpineView(Context context, AttributeSet attrs, int defStyle) {
+        super(context, attrs, defStyle);
+        init();
+    }
+
+    private void loadSkeleton() {
+        AssetManager assetManager = this.getContext().getAssets();
+        atlas = AndroidTextureAtlas.loadFromAssets("spineboy.atlas", assetManager);
+        AndroidAtlasAttachmentLoader attachmentLoader = new AndroidAtlasAttachmentLoader(atlas);
+        SkeletonBinary binary = new SkeletonBinary(attachmentLoader);
+        try (InputStream in = new BufferedInputStream(assetManager.open("spineboy-pro.skel"))) {
+            data = binary.readSkeletonData(in);
+        } catch (IOException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    static private final short[] quadTriangles = {0, 1, 2, 2, 3, 0};
+    private final FloatArray vertices = new FloatArray(32);
+    private final FloatArray texCoords = new FloatArray(32);
+    private final IntArray colors = new IntArray(32);
+    private final SkeletonClipping clipper = new SkeletonClipping();
+
+    public void render (Canvas canvas, Skeleton skeleton, float x, float y) {
+        canvas.save();
+        canvas.translate(x, y);
+        canvas.scale(1, -1);
+        BlendMode blendMode = null;
+        int verticesLength = 0;
+        short[] triangles = null;
+        com.badlogic.gdx.graphics.Color color = null, skeletonColor = skeleton.getColor();
+        float r = skeletonColor.r, g = skeletonColor.g, b = skeletonColor.b, a = skeletonColor.a;
+        Object[] drawOrder = skeleton.getDrawOrder().items;
+        for (int i = 0, n = skeleton.getDrawOrder().size; i < n; i++) {
+            Slot slot = (Slot)drawOrder[i];
+            if (!slot.getBone().isActive()) {
+                clipper.clipEnd(slot);
+                continue;
+            }
+            AndroidTexture texture = null;
+            int vertexSize = 2;
+            Attachment attachment = slot.getAttachment();
+            if (attachment instanceof RegionAttachment) {
+                RegionAttachment region = (RegionAttachment)attachment;
+                verticesLength = vertexSize << 2;
+                region.computeWorldVertices(slot, vertices.items, 0, vertexSize);
+                triangles = quadTriangles;
+                texture = (AndroidTexture)region.getRegion().getTexture();
+                texCoords.clear();
+                texCoords.addAll(region.getUVs());
+                color = region.getColor();
+
+            } else if (attachment instanceof MeshAttachment) {
+                MeshAttachment mesh = (MeshAttachment)attachment;
+                int count = mesh.getWorldVerticesLength();
+                verticesLength = (count >> 1) * vertexSize;
+                this.vertices.setSize(verticesLength);
+                mesh.computeWorldVertices(slot, 0, count, vertices.items, 0, vertexSize);
+                triangles = mesh.getTriangles();
+                texture = (AndroidTexture)mesh.getRegion().getTexture();
+                texCoords.clear();;
+                texCoords.addAll(mesh.getUVs());
+                color = mesh.getColor();
+
+            } else if (attachment instanceof ClippingAttachment) {
+                ClippingAttachment clip = (ClippingAttachment)attachment;
+                clipper.clipStart(slot, clip);
+                continue;
+
+            } else {
+                continue;
+            }
+
+            if (texture != null) {
+                com.badlogic.gdx.graphics.Color slotColor = slot.getColor();
+                float alpha = a * slotColor.a * color.a * 255;
+                float multiplier = 255;
+
+                BlendMode slotBlendMode = slot.getData().getBlendMode();
+                if (slotBlendMode != blendMode) {
+                    if (slotBlendMode == BlendMode.additive) {
+                        slotBlendMode = BlendMode.normal;
+                        alpha = 0;
+                    }
+                    blendMode = slotBlendMode;
+                    // FIXME
+                    // blendMode.apply(batch, pmaBlendModes);
+                }
+
+                int c =   (int)alpha << 24 //
+                        | (int)(b * slotColor.b * color.b * multiplier) << 16 //
+                        | (int)(g * slotColor.g * color.g * multiplier) << 8 //
+                        | (int)(r * slotColor.r * color.r * multiplier);
+
+                if (clipper.isClipping()) {
+                    // FIXME
+                    throw new RuntimeException("Not implemented, need to split positions, uvs, colors");
+                    // clipper.clipTriangles(vertices, verticesLength, triangles, triangles.length, uvs, c, 0, false);
+                    // FloatArray clippedVertices = clipper.getClippedVertices();
+                    // ShortArray clippedTriangles = clipper.getClippedTriangles();
+                    // batch.draw(texture, clippedVertices.items, 0, clippedVertices.size, clippedTriangles.items, 0,
+                    //         clippedTriangles.size);
+                } else {
+                    float[] uvsArray = texCoords.items;
+                    for (int ii = 0, w = texture.getWidth(), h = texture.getHeight(); ii < verticesLength; ii += 2) {
+                        uvsArray[ii] = uvsArray[ii] * w;
+                        uvsArray[ii + 1] = uvsArray[ii + 1] * h;
+                    }
+                    colors.setSize(verticesLength >> 1);
+                    int[] colorsArray = colors.items;
+                    for (int ii = 0, nn = verticesLength >> 1; ii < nn; ii++) {
+                        colorsArray[ii] = c;
+                    }
+                    canvas.drawVertices(Canvas.VertexMode.TRIANGLES, verticesLength, vertices.items, 0, uvsArray, 0, colorsArray, 0, triangles, 0, triangles.length, texture.getPaint());
+                }
+            }
+
+            clipper.clipEnd(slot);
+        }
+        clipper.clipEnd();
+        canvas.restore();
+    }
+
+    private void init() {
+        textPaint = new Paint();
+        textPaint.setColor(Color.WHITE); // Set the color of the paint
+        textPaint.setTextSize(48);
+        Choreographer.getInstance().postFrameCallback(this);
+
+        loadSkeleton();
+
+        for (int i = 0; i < instances; i++) {
+            Skeleton skeleton = new Skeleton(data);
+            skeleton.setToSetupPose();
+            skeletons.add(skeleton);
+
+            AnimationStateData stateData = new AnimationStateData(data);
+            stateData.setDefaultMix(0.2f);
+            AnimationState state = new AnimationState(stateData);
+            state.setAnimation(0, "walk", true);
+            states.add(state);
+
+            coords[i] = new Vector2(MathUtils.random(1000), MathUtils.random(2000));
+        }
+    }
+
+    @Override
+    public void onDraw(Canvas canvas) {
+        super.onDraw(canvas);
+
+        float deltaF = delta / 1e9f;
+
+        for (int i = 0; i < instances; i++) {
+            AnimationState state = states.get(i);
+            Skeleton skeleton = skeletons.get(i);
+            state.update(deltaF);
+            state.apply(skeleton);
+            skeleton.update(deltaF);
+            skeleton.updateWorldTransform(Skeleton.Physics.update);
+            render(canvas, skeleton, coords[i].x, coords[i].y);
+        }
+        // canvas.drawVertices(Canvas.VertexMode.TRIANGLES, vertices.size, vertices.items, 0, uvs.items, 0, null, 0, indices.items, 0, 3 * 75, paint);
+        canvas.drawText(delta / 1e6 + " ms", 100, 100, textPaint);
+        canvas.drawText(instances + " instances", 100, 150, textPaint);
+    }
+
+    @Override
+    public void doFrame(long frameTimeNanos) {
+        if (lastTime != 0) delta = frameTimeNanos - lastTime;
+        lastTime = frameTimeNanos;
+
+        // Invalidate this view, causing onDraw to be called at the next animation frame
+        invalidate();
+        Choreographer.getInstance().postFrameCallback(this);
+    }
+}

spine-android/spine-android/src/test/java/com/esotericsoftware/android/ExampleUnitTest.java

@@ -0,0 +1,17 @@
+package com.esotericsoftware.android;
+
+import org.junit.Test;
+
+import static org.junit.Assert.*;
+
+/**
+ * Example local unit test, which will execute on the development machine (host).
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+public class ExampleUnitTest {
+    @Test
+    public void addition_isCorrect() {
+        assertEquals(4, 2 + 2);
+    }
+}