Initial commit

.gitignore

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+*.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

app/.gitignore

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+/build

app/build.gradle

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+plugins {
+    id 'com.android.application'
+}
+
+android {
+    compileSdkVersion 30
+    buildToolsVersion "30.0.3"
+
+    defaultConfig {
+        applicationId "com.example.ar_or"
+        minSdkVersion 24
+        targetSdkVersion 30
+        versionCode 1
+        versionName "1.0"
+
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+    }
+
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+        }
+    }
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+}
+
+dependencies {
+    api project(":sceneformux")
+
+    implementation 'androidx.appcompat:appcompat:1.2.0'
+    implementation 'com.google.android.material:material:1.2.1'
+    implementation 'androidx.constraintlayout:constraintlayout:2.0.4'
+    testImplementation 'junit:junit:4.+'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.2'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.3.0'
+}

app/proguard-rules.pro

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+# 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

app/src/androidTest/java/com/example/ar_or/ExampleInstrumentedTest.java

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+package com.example.ar_or;
+
+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.example.ar_or", appContext.getPackageName());
+    }
+}

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"
+    package="com.example.ar_or">
+    <!--This permits the user to access Camera-->
+    <uses-permission android:name="android.permission.CAMERA" />
+
+    <!--This helps to check a specific feature in the phone's hardware,
+        here it is OpenGlES version. Sceneform needs OpenGLES Version 3.0 or later-->
+    <uses-feature android:glEsVersion="0x00030000" android:required="true" />
+
+    <!--Indicates that this app requires Google Play Services for AR.
+        Limits app visibility in the Google Play Store to ARCore supported devices-->
+    <uses-feature android:name="android.hardware.camera.ar" android:required="true"/>
+
+
+    <application
+        android:allowBackup="true"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:theme="@style/Theme.Ar_Or">
+        <activity android:name=".MainActivity">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+        <meta-data android:name="com.google.ar.core" android:value="required" />
+    </application>
+
+</manifest>

app/src/main/java/com/example/ar_or/MainActivity.java

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+package com.example.ar_or;
+
+import android.app.Activity;
+import android.app.ActivityManager;
+import android.app.AlertDialog;
+import android.content.Context;
+import android.os.Build;
+import android.os.Bundle;
+import android.widget.Toast;
+import androidx.appcompat.app.AppCompatActivity;
+
+import com.example.ar_or.R;
+import com.google.ar.core.Anchor;
+import com.google.ar.sceneform.AnchorNode;
+import com.google.ar.sceneform.rendering.ModelRenderable;
+import com.google.ar.sceneform.ux.ArFragment;
+import com.google.ar.sceneform.ux.TransformableNode;
+import java.util.Objects;
+
+public class MainActivity extends AppCompatActivity {
+
+    // object of ArFragment Class
+    private ArFragment arCam;
+
+    // helps to render the 3d model
+    // only once when we tap the screen
+    private int clickNo = 0;
+
+    public static boolean checkSystemSupport(Activity activity) {
+
+        // checking whether the API version of the running Android >= 24
+        // that means Android Nougat 7.0
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
+            String openGlVersion = ((ActivityManager) Objects.requireNonNull(activity.getSystemService(Context.ACTIVITY_SERVICE))).getDeviceConfigurationInfo().getGlEsVersion();
+
+            // checking whether the OpenGL version >= 3.0
+            if (Double.parseDouble(openGlVersion) >= 3.0) {
+                return true;
+            } else {
+                Toast.makeText(activity, "App needs OpenGl Version 3.0 or later", Toast.LENGTH_SHORT).show();
+                activity.finish();
+                return false;
+            }
+        } else {
+            Toast.makeText(activity, "App does not support required Build Version", Toast.LENGTH_SHORT).show();
+            activity.finish();
+            return false;
+        }
+    }
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_main);
+
+        if (checkSystemSupport(this)) {
+
+            // ArFragment is linked up with its respective id used in the activity_main.xml
+            arCam = (ArFragment) getSupportFragmentManager().findFragmentById(R.id.arCameraArea);
+            arCam.setOnTapArPlaneListener((hitResult, plane, motionEvent) -> {
+                clickNo++;
+                // the 3d model comes to the scene only
+                // when clickNo is one that means once
+                if (clickNo == 1) {
+                    Anchor anchor = hitResult.createAnchor();
+                    ModelRenderable.builder()
+                            .setSource(this, R.raw.astronaut)
+                            .setIsFilamentGltf(true)
+                            .build()
+                            .thenAccept(modelRenderable -> addModel(anchor, modelRenderable))
+                            .exceptionally(throwable -> {
+                                AlertDialog.Builder builder = new AlertDialog.Builder(this);
+                                builder.setMessage("Somthing is not right" + throwable.getMessage()).show();
+                                return null;
+                            });
+                }
+            });
+        } else {
+            return;
+        }
+    }
+
+    private void addModel(Anchor anchor, ModelRenderable modelRenderable) {
+
+        // Creating a AnchorNode with a specific anchor
+        AnchorNode anchorNode = new AnchorNode(anchor);
+
+        // attaching the anchorNode with the ArFragment
+        anchorNode.setParent(arCam.getArSceneView().getScene());
+
+        // attaching the anchorNode with the TransformableNode
+        TransformableNode model = new TransformableNode(arCam.getTransformationSystem());
+        model.setParent(anchorNode);
+
+        // attaching the 3d model with the TransformableNode
+        // that is already attached with the node
+        model.setRenderable(modelRenderable);
+        model.select();
+    }
+}

app/src/main/res/drawable-v24/ic_launcher_foreground.xml

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+<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>