diff --git a/solar-system/.gitignore b/solar-system/.gitignore
new file mode 100644
index 0000000..fd45b12
--- /dev/null
+++ b/solar-system/.gitignore
@@ -0,0 +1,11 @@
+*.iml
+.gradle
+/local.properties
+/.idea/caches/build_file_checksums.ser
+/.idea/libraries
+/.idea/modules.xml
+/.idea/workspace.xml
+.DS_Store
+/build
+/captures
+.externalNativeBuild
diff --git a/solar-system/.idea/codeStyles/Project.xml b/solar-system/.idea/codeStyles/Project.xml
new file mode 100644
index 0000000..34dc27c
--- /dev/null
+++ b/solar-system/.idea/codeStyles/Project.xml
@@ -0,0 +1,35 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/solar-system/.idea/codeStyles/codeStyleConfig.xml b/solar-system/.idea/codeStyles/codeStyleConfig.xml
new file mode 100644
index 0000000..79ee123
--- /dev/null
+++ b/solar-system/.idea/codeStyles/codeStyleConfig.xml
@@ -0,0 +1,5 @@
+
+
+
+
+
\ No newline at end of file
diff --git a/solar-system/.idea/copyright/GPL_v__2_0.xml b/solar-system/.idea/copyright/GPL_v__2_0.xml
new file mode 100644
index 0000000..534f537
--- /dev/null
+++ b/solar-system/.idea/copyright/GPL_v__2_0.xml
@@ -0,0 +1,6 @@
+
+
+
+
+
+
\ No newline at end of file
diff --git a/solar-system/.idea/copyright/profiles_settings.xml b/solar-system/.idea/copyright/profiles_settings.xml
new file mode 100644
index 0000000..466f184
--- /dev/null
+++ b/solar-system/.idea/copyright/profiles_settings.xml
@@ -0,0 +1,7 @@
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/solar-system/.idea/gradle.xml b/solar-system/.idea/gradle.xml
new file mode 100644
index 0000000..7ac24c7
--- /dev/null
+++ b/solar-system/.idea/gradle.xml
@@ -0,0 +1,18 @@
+
+
+
+
+
+
\ No newline at end of file
diff --git a/solar-system/.idea/misc.xml b/solar-system/.idea/misc.xml
new file mode 100644
index 0000000..b0c7b20
--- /dev/null
+++ b/solar-system/.idea/misc.xml
@@ -0,0 +1,38 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/solar-system/.idea/runConfigurations.xml b/solar-system/.idea/runConfigurations.xml
new file mode 100644
index 0000000..7f68460
--- /dev/null
+++ b/solar-system/.idea/runConfigurations.xml
@@ -0,0 +1,12 @@
+
+
+
+
+
+
\ No newline at end of file
diff --git a/solar-system/app/.gitignore b/solar-system/app/.gitignore
new file mode 100644
index 0000000..796b96d
--- /dev/null
+++ b/solar-system/app/.gitignore
@@ -0,0 +1 @@
+/build
diff --git a/solar-system/app/build.gradle b/solar-system/app/build.gradle
new file mode 100644
index 0000000..a7b3ac9
--- /dev/null
+++ b/solar-system/app/build.gradle
@@ -0,0 +1,62 @@
+/*
+ * Copyright (c) 2019, norangebit
+ *
+ * This file is part of solar-system.
+ *
+ * solar-system is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * solar-system is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with solar-system. If not, see
+ *
+ */
+
+apply plugin: 'com.android.application'
+
+apply plugin: 'kotlin-android'
+
+apply plugin: 'kotlin-android-extensions'
+
+android {
+ compileSdkVersion 28
+ defaultConfig {
+ applicationId "it.norangeb.solarsystem"
+ minSdkVersion 26
+ targetSdkVersion 28
+ versionCode 1
+ versionName "1.0"
+ testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+ }
+ buildTypes {
+ release {
+ minifyEnabled false
+ proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+ }
+ }
+ compileOptions {
+ sourceCompatibility JavaVersion.VERSION_1_8
+ targetCompatibility JavaVersion.VERSION_1_8
+ }
+}
+
+dependencies {
+ implementation fileTree(dir: 'libs', include: ['*.jar'])
+ implementation"org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
+ implementation 'com.android.support:appcompat-v7:28.0.0'
+ implementation 'com.android.support.constraint:constraint-layout:1.1.3'
+ implementation 'com.android.support:design:28.0.0'
+ testImplementation 'junit:junit:4.12'
+ androidTestImplementation 'com.android.support.test:runner:1.0.2'
+ androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
+ implementation "com.google.ar.sceneform.ux:sceneform-ux:1.6.0"
+ implementation "org.jetbrains.kotlinx:kotlinx-coroutines-core:1.1.0"
+ implementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:1.1.0"
+ implementation 'com.google.ar.sceneform:assets:1.6.0'
+}
diff --git a/solar-system/app/proguard-rules.pro b/solar-system/app/proguard-rules.pro
new file mode 100644
index 0000000..f1b4245
--- /dev/null
+++ b/solar-system/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
diff --git a/solar-system/app/src/androidTest/java/it/norangeb/solarsystem/ExampleInstrumentedTest.kt b/solar-system/app/src/androidTest/java/it/norangeb/solarsystem/ExampleInstrumentedTest.kt
new file mode 100644
index 0000000..eacd59d
--- /dev/null
+++ b/solar-system/app/src/androidTest/java/it/norangeb/solarsystem/ExampleInstrumentedTest.kt
@@ -0,0 +1,24 @@
+package it.norangeb.solarsystem
+
+import android.support.test.InstrumentationRegistry
+import android.support.test.runner.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.getTargetContext()
+ assertEquals("it.norangeb.solarsystem", appContext.packageName)
+ }
+}
diff --git a/solar-system/app/src/main/AndroidManifest.xml b/solar-system/app/src/main/AndroidManifest.xml
new file mode 100644
index 0000000..18ffe50
--- /dev/null
+++ b/solar-system/app/src/main/AndroidManifest.xml
@@ -0,0 +1,51 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/solar-system/app/src/main/java/it/norangeb/solarsystem/MainActivity.kt b/solar-system/app/src/main/java/it/norangeb/solarsystem/MainActivity.kt
new file mode 100644
index 0000000..8b4c537
--- /dev/null
+++ b/solar-system/app/src/main/java/it/norangeb/solarsystem/MainActivity.kt
@@ -0,0 +1,61 @@
+/*
+ * Copyright (c) 2019, norangebit
+ *
+ * This file is part of solar-system.
+ *
+ * solar-system is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * solar-system is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with solar-system. If not, see
+ *
+ */
+
+package it.norangeb.solarsystem
+
+import android.os.Bundle
+import android.support.v7.app.AppCompatActivity
+import android.view.MotionEvent
+import com.google.ar.core.HitResult
+import com.google.ar.core.Plane
+import com.google.ar.sceneform.rendering.ModelRenderable
+import com.google.ar.sceneform.ux.ArFragment
+import kotlinx.coroutines.*
+
+class MainActivity : AppCompatActivity() {
+ private val TAG = MainActivity::class.java.canonicalName
+ private lateinit var arFragment: ArFragment
+ private var isModelAdded = false
+ private lateinit var planets: Map
+ private lateinit var loadPlanetsJob: Job
+
+ override fun onCreate(savedInstanceState: Bundle?) {
+ super.onCreate(savedInstanceState)
+
+ if (!checkIsSupportedDeviceOrFinish(this, TAG))
+ return
+
+ setContentView(R.layout.activity_main)
+ arFragment = supportFragmentManager.findFragmentById(R.id.ar_fragment) as ArFragment
+
+ loadPlanetsJob = GlobalScope.launch (Dispatchers.Main) {
+ planets = loadPlanets(this@MainActivity)
+ }
+
+ arFragment.setOnTapArPlaneListener(this::placeSolarSystem)
+ }
+
+ private fun placeSolarSystem(hitResult: HitResult, plane: Plane, motionEvent: MotionEvent) {
+ GlobalScope.launch(Dispatchers.Main) {
+ loadPlanetsJob.join()
+ addTransformableNodeToScene(arFragment, hitResult.createAnchor(), planets[Planet.EARTH]!!)
+ }
+ }
+}
diff --git a/solar-system/app/src/main/java/it/norangeb/solarsystem/Util.kt b/solar-system/app/src/main/java/it/norangeb/solarsystem/Util.kt
new file mode 100644
index 0000000..2df232d
--- /dev/null
+++ b/solar-system/app/src/main/java/it/norangeb/solarsystem/Util.kt
@@ -0,0 +1,152 @@
+/*
+ * Copyright (c) 2019, norangebit
+ *
+ * This file is part of solar-system.
+ *
+ * solar-system is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * solar-system is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with solar-system. If not, see
+ *
+ */
+
+package it.norangeb.solarsystem
+
+import android.annotation.SuppressLint
+import android.app.Activity
+import android.app.ActivityManager
+import android.content.Context
+import android.net.Uri
+import android.os.Build
+import android.util.Log
+import android.widget.Toast
+import com.google.ar.core.Anchor
+import com.google.ar.sceneform.AnchorNode
+import com.google.ar.sceneform.Node
+import com.google.ar.sceneform.assets.RenderableSource
+import com.google.ar.sceneform.rendering.*
+import com.google.ar.sceneform.ux.ArFragment
+import com.google.ar.sceneform.ux.TransformableNode
+import kotlinx.coroutines.Deferred
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.GlobalScope
+import kotlinx.coroutines.async
+import java.util.concurrent.CompletableFuture
+
+private val MIN_OPENGL_VERSION = 3.0
+
+@SuppressLint("ObsoleteSdkInt")
+fun checkIsSupportedDeviceOrFinish(activity: Activity, tag: String): Boolean {
+ if (Build.VERSION.SDK_INT < Build.VERSION_CODES.N) {
+ Log.e(tag, "Sceneform requires Android N or later")
+ Toast.makeText(activity, "Sceneform requires Android N or later", Toast.LENGTH_LONG).show()
+ activity.finish()
+ return false
+ }
+ val openGlVersionString = (activity.getSystemService(Context.ACTIVITY_SERVICE) as ActivityManager)
+ .deviceConfigurationInfo
+ .glEsVersion
+ if (java.lang.Double.parseDouble(openGlVersionString) < MIN_OPENGL_VERSION) {
+ Log.e(tag, "Sceneform requires OpenGL ES 3.0 later")
+ Toast.makeText(activity, "Sceneform requires OpenGL ES 3.0 or later", Toast.LENGTH_LONG)
+ .show()
+ activity.finish()
+ return false
+ }
+ return true
+}
+
+suspend fun loadPlanets(context: Context): Map {
+ threadLog("load planets")
+ val sun = loadPlanet(context, Planet.SUN)
+ val mercury = loadPlanet(context, Planet.MERCURY)
+ val venus = loadPlanet(context, Planet.VENUS)
+ val earth = loadPlanet(context, Planet.EARTH)
+ val mars = loadPlanet(context, Planet.MARS)
+ val jupiter = loadPlanet(context, Planet.JUPITER)
+ val saturn = loadPlanet(context, Planet.SATURN)
+ val uranus = loadPlanet(context, Planet.URANUS)
+ val neptune = loadPlanet(context, Planet.NEPTUNE)
+
+ return mapOf(
+ Pair(Planet.SUN, sun.await()),
+ Pair(Planet.MERCURY, mercury.await()),
+ Pair(Planet.VENUS, venus.await()),
+ Pair(Planet.EARTH, earth.await()),
+ Pair(Planet.MARS, mars.await()),
+ Pair(Planet.JUPITER, jupiter.await()),
+ Pair(Planet.SATURN, saturn.await()),
+ Pair(Planet.URANUS, uranus.await()),
+ Pair(Planet.NEPTUNE, neptune.await())
+ )
+}
+
+fun loadPlanet(context: Context, planet: Planet): Deferred {
+ val modelSource = fetchModel(context, Uri.parse(planet.value))
+ val futureRenderable = buildFutureRenderable(
+ context,
+ modelSource,
+ Uri.parse(planet.value)
+ )
+
+ return GlobalScope.async(Dispatchers.IO) {
+ threadLog("start load: $planet")
+ val renderable = futureRenderable.get()
+ threadLog("end load: $planet")
+ renderable
+ }
+}
+
+fun buildFutureRenderable(
+ context: Context,
+ model: RenderableSource,
+ modelUri: Uri
+): CompletableFuture =
+ ModelRenderable.builder()
+ .setRegistryId(modelUri)
+ .setSource(context, model)
+ .build()
+
+fun fetchModel(
+ context: Context,
+ source: Uri
+): RenderableSource =
+ RenderableSource.builder()
+ .setSource(context, source, RenderableSource.SourceType.GLTF2)
+ .setRecenterMode(RenderableSource.RecenterMode.ROOT)
+ .build()
+
+fun addTransformableNodeToScene(arFragment: ArFragment, anchor: Anchor, renderable: ModelRenderable): Node {
+ val anchorNode = AnchorNode(anchor)
+ val transformableNode = TransformableNode(arFragment.transformationSystem)
+ transformableNode.renderable = renderable
+ transformableNode.setParent(anchorNode)
+ arFragment.arSceneView.scene.addChild(anchorNode)
+ transformableNode.select()
+ return transformableNode
+}
+
+enum class Planet(val value: String) {
+ SUN("https://poly.googleusercontent.com/downloads/69ejysWdDXG/2Gi-kna7W1j/Sun_01.gltf"),
+ MERCURY("https://poly.googleusercontent.com/downloads/9PBDNYhgXDS/0ikSBktlxQd/model.gltf"),
+ VENUS("https://poly.googleusercontent.com/downloads/5BKXL2tO5C6/7l37kn7jUdv/model.gltf"),
+ EARTH("https://poly.googleusercontent.com/downloads/dQcv6bKXuQD/3NFGAgmwv5x/model.gltf"),
+ MARS("https://poly.googleusercontent.com/downloads/8sNKYRTUFAe/f9eC5eU749w/model.gltf"),
+ JUPITER("https://poly.googleusercontent.com/downloads/6jv2Cl_xK2i/9lyFWlFV2GO/model.gltf"),
+ SATURN("https://poly.googleusercontent.com/downloads/b-y9HDTsu7q/4y6CcWQ0Yu0/model.gltf"),
+ URANUS("https://poly.googleusercontent.com/downloads/7qZDvQcXQWN/2GW1CXvX6g4/model.gltf"),
+ NEPTUNE("https://poly.googleusercontent.com/downloads/38LOedsa9ES/9oKqBu_hVcY/model.gltf")
+}
+
+fun threadLog(message: String) = Log.d(
+ "COROUTINES",
+ "[${Thread.currentThread().name}]: $message"
+ )
diff --git a/solar-system/app/src/main/res/drawable-v24/ic_launcher_foreground.xml b/solar-system/app/src/main/res/drawable-v24/ic_launcher_foreground.xml
new file mode 100644
index 0000000..c1598bc
--- /dev/null
+++ b/solar-system/app/src/main/res/drawable-v24/ic_launcher_foreground.xml
@@ -0,0 +1,54 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/solar-system/app/src/main/res/drawable/ic_launcher_background.xml b/solar-system/app/src/main/res/drawable/ic_launcher_background.xml
new file mode 100644
index 0000000..4481380
--- /dev/null
+++ b/solar-system/app/src/main/res/drawable/ic_launcher_background.xml
@@ -0,0 +1,94 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/solar-system/app/src/main/res/layout/activity_main.xml b/solar-system/app/src/main/res/layout/activity_main.xml
new file mode 100644
index 0000000..127e3fe
--- /dev/null
+++ b/solar-system/app/src/main/res/layout/activity_main.xml
@@ -0,0 +1,32 @@
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/solar-system/app/src/main/res/layout/content_main.xml b/solar-system/app/src/main/res/layout/content_main.xml
new file mode 100644
index 0000000..f92bc35
--- /dev/null
+++ b/solar-system/app/src/main/res/layout/content_main.xml
@@ -0,0 +1,36 @@
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/solar-system/app/src/main/res/menu/menu_main.xml b/solar-system/app/src/main/res/menu/menu_main.xml
new file mode 100644
index 0000000..d4a595d
--- /dev/null
+++ b/solar-system/app/src/main/res/menu/menu_main.xml
@@ -0,0 +1,29 @@
+
+
+
diff --git a/solar-system/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml b/solar-system/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
new file mode 100644
index 0000000..bbd3e02
--- /dev/null
+++ b/solar-system/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
@@ -0,0 +1,5 @@
+
+
+
+
+
\ No newline at end of file
diff --git a/solar-system/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml b/solar-system/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
new file mode 100644
index 0000000..bbd3e02
--- /dev/null
+++ b/solar-system/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
@@ -0,0 +1,5 @@
+
+
+
+
+
\ No newline at end of file
diff --git a/solar-system/app/src/main/res/mipmap-hdpi/ic_launcher.png b/solar-system/app/src/main/res/mipmap-hdpi/ic_launcher.png
new file mode 100644
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diff --git a/solar-system/app/src/main/res/mipmap-hdpi/ic_launcher_round.png b/solar-system/app/src/main/res/mipmap-hdpi/ic_launcher_round.png
new file mode 100644
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diff --git a/solar-system/app/src/main/res/mipmap-mdpi/ic_launcher.png b/solar-system/app/src/main/res/mipmap-mdpi/ic_launcher.png
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diff --git a/solar-system/app/src/main/res/mipmap-xhdpi/ic_launcher.png b/solar-system/app/src/main/res/mipmap-xhdpi/ic_launcher.png
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diff --git a/solar-system/app/src/main/res/mipmap-xxhdpi/ic_launcher.png b/solar-system/app/src/main/res/mipmap-xxhdpi/ic_launcher.png
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diff --git a/solar-system/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png b/solar-system/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png
new file mode 100644
index 0000000..d8ae031
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diff --git a/solar-system/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png b/solar-system/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png
new file mode 100644
index 0000000..2c18de9
Binary files /dev/null and b/solar-system/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png differ
diff --git a/solar-system/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png b/solar-system/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png
new file mode 100644
index 0000000..beed3cd
Binary files /dev/null and b/solar-system/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png differ
diff --git a/solar-system/app/src/main/res/values/colors.xml b/solar-system/app/src/main/res/values/colors.xml
new file mode 100644
index 0000000..69b2233
--- /dev/null
+++ b/solar-system/app/src/main/res/values/colors.xml
@@ -0,0 +1,6 @@
+
+
+ #008577
+ #00574B
+ #D81B60
+
diff --git a/solar-system/app/src/main/res/values/dimens.xml b/solar-system/app/src/main/res/values/dimens.xml
new file mode 100644
index 0000000..59a0b0c
--- /dev/null
+++ b/solar-system/app/src/main/res/values/dimens.xml
@@ -0,0 +1,3 @@
+
+ 16dp
+
diff --git a/solar-system/app/src/main/res/values/strings.xml b/solar-system/app/src/main/res/values/strings.xml
new file mode 100644
index 0000000..2850471
--- /dev/null
+++ b/solar-system/app/src/main/res/values/strings.xml
@@ -0,0 +1,4 @@
+
+ Solar system
+ Settings
+
diff --git a/solar-system/app/src/main/res/values/styles.xml b/solar-system/app/src/main/res/values/styles.xml
new file mode 100644
index 0000000..be9bed5
--- /dev/null
+++ b/solar-system/app/src/main/res/values/styles.xml
@@ -0,0 +1,37 @@
+
+
+
+
+
+
+
+
+
+
+
diff --git a/solar-system/app/src/test/java/it/norangeb/solarsystem/ExampleUnitTest.kt b/solar-system/app/src/test/java/it/norangeb/solarsystem/ExampleUnitTest.kt
new file mode 100644
index 0000000..ed5995f
--- /dev/null
+++ b/solar-system/app/src/test/java/it/norangeb/solarsystem/ExampleUnitTest.kt
@@ -0,0 +1,17 @@
+package it.norangeb.solarsystem
+
+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)
+ }
+}
diff --git a/solar-system/build.gradle b/solar-system/build.gradle
new file mode 100644
index 0000000..ac76599
--- /dev/null
+++ b/solar-system/build.gradle
@@ -0,0 +1,27 @@
+// Top-level build file where you can add configuration options common to all sub-projects/modules.
+
+buildscript {
+ ext.kotlin_version = '1.3.11'
+ repositories {
+ google()
+ jcenter()
+ }
+ dependencies {
+ classpath 'com.android.tools.build:gradle:3.2.1'
+ classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
+
+ // NOTE: Do not place your application dependencies here; they belong
+ // in the individual module build.gradle files
+ }
+}
+
+allprojects {
+ repositories {
+ google()
+ jcenter()
+ }
+}
+
+task clean(type: Delete) {
+ delete rootProject.buildDir
+}
diff --git a/solar-system/gradle.properties b/solar-system/gradle.properties
new file mode 100644
index 0000000..8eb032c
--- /dev/null
+++ b/solar-system/gradle.properties
@@ -0,0 +1,35 @@
+#
+# Copyright (c) 2019, norangebit
+#
+# This file is part of augmented-images.
+#
+# solar-system is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# solar-system is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with solar-system. If not, see
+#
+#
+
+# 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=-Xmx1536m
+# When configured, Gradle will run in incubating parallel mode.
+# This option should only be used with decoupled projects. More details, visit
+# http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
+# org.gradle.parallel=true
+# Kotlin code style for this project: "official" or "obsolete":
+kotlin.code.style=official
diff --git a/solar-system/gradle/wrapper/gradle-wrapper.jar b/solar-system/gradle/wrapper/gradle-wrapper.jar
new file mode 100644
index 0000000..f6b961f
Binary files /dev/null and b/solar-system/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/solar-system/gradle/wrapper/gradle-wrapper.properties b/solar-system/gradle/wrapper/gradle-wrapper.properties
new file mode 100644
index 0000000..9a4163a
--- /dev/null
+++ b/solar-system/gradle/wrapper/gradle-wrapper.properties
@@ -0,0 +1,5 @@
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.6-all.zip
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
diff --git a/solar-system/gradlew b/solar-system/gradlew
new file mode 100755
index 0000000..cccdd3d
--- /dev/null
+++ b/solar-system/gradlew
@@ -0,0 +1,172 @@
+#!/usr/bin/env sh
+
+##############################################################################
+##
+## 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 "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+ echo "$*"
+}
+
+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, switch paths to Windows format before running java
+if $cygwin ; then
+ APP_HOME=`cygpath --path --mixed "$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`="\"$arg\""
+ fi
+ i=$((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"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+ cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/solar-system/gradlew.bat b/solar-system/gradlew.bat
new file mode 100644
index 0000000..e95643d
--- /dev/null
+++ b/solar-system/gradlew.bat
@@ -0,0 +1,84 @@
+@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 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=
+
+@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 init
+
+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 init
+
+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
+
+:init
+@rem Get command-line arguments, handling Windows variants
+
+if not "%OS%" == "Windows_NT" goto win9xME_args
+
+:win9xME_args
+@rem Slurp the command line arguments.
+set CMD_LINE_ARGS=
+set _SKIP=2
+
+:win9xME_args_slurp
+if "x%~1" == "x" goto execute
+
+set CMD_LINE_ARGS=%*
+
+: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 %CMD_LINE_ARGS%
+
+: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
diff --git a/solar-system/settings.gradle b/solar-system/settings.gradle
new file mode 100644
index 0000000..e7b4def
--- /dev/null
+++ b/solar-system/settings.gradle
@@ -0,0 +1 @@
+include ':app'