├── .gitignore
├── .idea
├── .gitignore
├── .name
├── compiler.xml
├── gradle.xml
├── jarRepositories.xml
├── misc.xml
└── vcs.xml
├── LICENSE
├── README.md
├── app
├── .gitignore
├── build.gradle
├── google-services.json
├── proguard-rules.pro
└── src
│ ├── androidTest
│ └── java
│ │ └── com
│ │ └── mindinventory
│ │ └── arcore2drenderingapp
│ │ └── ExampleInstrumentedTest.kt
│ ├── main
│ ├── AndroidManifest.xml
│ ├── assets
│ │ ├── models
│ │ │ └── mind.png
│ │ └── shaders
│ │ │ ├── fragmentShader.frag
│ │ │ └── vertexShader.vert
│ ├── java
│ │ └── com
│ │ │ └── mindinventory
│ │ │ └── arcore2drenderingapp
│ │ │ ├── ShaderUtil.java
│ │ │ └── TextureActivity.kt
│ └── res
│ │ ├── drawable-v24
│ │ └── ic_launcher_foreground.xml
│ │ ├── drawable
│ │ └── ic_launcher_background.xml
│ │ ├── layout
│ │ └── activity_texture.xml
│ │ ├── mipmap-anydpi-v26
│ │ ├── ic_launcher.xml
│ │ └── ic_launcher_round.xml
│ │ ├── mipmap-hdpi
│ │ ├── ic_launcher.webp
│ │ └── ic_launcher_round.webp
│ │ ├── mipmap-mdpi
│ │ ├── ic_launcher.webp
│ │ └── ic_launcher_round.webp
│ │ ├── mipmap-xhdpi
│ │ ├── ic_launcher.webp
│ │ └── ic_launcher_round.webp
│ │ ├── mipmap-xxhdpi
│ │ ├── ic_launcher.webp
│ │ └── ic_launcher_round.webp
│ │ ├── mipmap-xxxhdpi
│ │ ├── ic_launcher.webp
│ │ └── ic_launcher_round.webp
│ │ ├── values-night
│ │ └── themes.xml
│ │ └── values
│ │ ├── colors.xml
│ │ ├── strings.xml
│ │ └── themes.xml
│ └── test
│ └── java
│ └── com
│ └── mindinventory
│ └── arcore2drenderingapp
│ └── ExampleUnitTest.kt
├── build.gradle
├── gradle.properties
├── gradle
└── wrapper
│ ├── gradle-wrapper.jar
│ └── gradle-wrapper.properties
├── gradlew
├── gradlew.bat
├── media
└── mobile.png
└── settings.gradle
/.gitignore:
--------------------------------------------------------------------------------
1 | *.iml
2 | .gradle
3 | /local.properties
4 | /.idea/caches
5 | /.idea/libraries
6 | /.idea/modules.xml
7 | /.idea/workspace.xml
8 | /.idea/navEditor.xml
9 | /.idea/assetWizardSettings.xml
10 | .DS_Store
11 | /build
12 | /captures
13 | .externalNativeBuild
14 | .cxx
15 | local.properties
16 |
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/.idea/.gitignore:
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1 | # Default ignored files
2 | /shelf/
3 | /workspace.xml
4 |
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/.idea/.name:
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1 | ArCore2DRenderingApp
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/.idea/compiler.xml:
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/.idea/gradle.xml:
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/.idea/jarRepositories.xml:
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/.idea/misc.xml:
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/.idea/vcs.xml:
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/LICENSE:
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1 | MIT License
2 |
3 | Copyright (c) 2021 Mindinventory
4 |
5 | Permission is hereby granted, free of charge, to any person obtaining a copy
6 | of this software and associated documentation files (the "Software"), to deal
7 | in the Software without restriction, including without limitation the rights
8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
9 | copies of the Software, and to permit persons to whom the Software is
10 | furnished to do so, subject to the following conditions:
11 |
12 | The above copyright notice and this permission notice shall be included in all
13 | copies or substantial portions of the Software.
14 |
15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21 | SOFTWARE.
22 |
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/README.md:
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1 | # OpenGLES: A 2D texture rendering
2 |
3 | OpenGLES is an embedded version of the OpenGL cross-platform API which is used for the render 2D/3D texture. This sample code contains the implementation of 2D texture rendering using OpenGLES.
4 |
5 | 
6 |
7 | ### Prerequisites
8 | * The latest version of the Android Studio
9 | * A device with support of OpenGL ES 2.0 version or higher.
10 |
11 | #### For more details please refer to the [Medium article](https://medium.com/mindful-engineering/opengl-es-render-a-2d-texture-in-android-app-bd49d569f580)
12 |
13 |
14 |
15 | # LICENSE!
16 |
17 | OpenGLES: A 2D texture rendering is [MIT-licensed](/LICENSE).
18 |
19 | # Let us know!
20 | We’d be really happy if you send us links to your projects where you use our component. Just send an email to sales@mindinventory.com And do let us know if you have any questions or suggestion regarding our work.
21 |
22 |
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/app/.gitignore:
--------------------------------------------------------------------------------
1 | /build
--------------------------------------------------------------------------------
/app/build.gradle:
--------------------------------------------------------------------------------
1 | plugins {
2 | id 'com.android.application'
3 | id 'org.jetbrains.kotlin.android'
4 | id 'com.google.gms.google-services'
5 | }
6 |
7 | android {
8 | compileSdk 31
9 |
10 | defaultConfig {
11 | applicationId "com.mindinventory.arcore2drenderingapp"
12 | minSdk 24
13 | targetSdk 31
14 | versionCode 1
15 | versionName "1.0"
16 |
17 | testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
18 | }
19 |
20 | buildTypes {
21 | release {
22 | minifyEnabled false
23 | proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
24 | }
25 | }
26 | compileOptions {
27 | sourceCompatibility JavaVersion.VERSION_1_8
28 | targetCompatibility JavaVersion.VERSION_1_8
29 | }
30 | kotlinOptions {
31 | jvmTarget = '1.8'
32 | }
33 | }
34 |
35 | dependencies {
36 |
37 | implementation 'androidx.core:core-ktx:1.7.0'
38 | implementation 'androidx.appcompat:appcompat:1.4.1'
39 | implementation 'com.google.android.material:material:1.5.0'
40 | implementation 'androidx.constraintlayout:constraintlayout:2.1.3'
41 | testImplementation 'junit:junit:4.13.2'
42 | androidTestImplementation 'androidx.test.ext:junit:1.1.3'
43 | androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'
44 |
45 | // Import the Firebase BoM
46 | implementation platform('com.google.firebase:firebase-bom:29.3.1')
47 |
48 |
49 | // Add the dependency for the Firebase SDK for Google Analytics
50 | // When using the BoM, don't specify versions in Firebase dependencies
51 | implementation 'com.google.firebase:firebase-analytics-ktx'
52 |
53 |
54 | // Add the dependencies for any other desired Firebase products
55 | // https://firebase.google.com/docs/android/setup#available-libraries
56 | }
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/app/google-services.json:
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1 | {
2 | "project_info": {
3 | "project_number": "901715910992",
4 | "project_id": "twodtexture",
5 | "storage_bucket": "twodtexture.appspot.com"
6 | },
7 | "client": [
8 | {
9 | "client_info": {
10 | "mobilesdk_app_id": "1:901715910992:android:34bcd0bfcf290081b24c55",
11 | "android_client_info": {
12 | "package_name": "com.mindinventory.arcore2drenderingapp"
13 | }
14 | },
15 | "oauth_client": [
16 | {
17 | "client_id": "901715910992-ppftaiq2kb47pm7as7ek9qgobji5j44v.apps.googleusercontent.com",
18 | "client_type": 3
19 | }
20 | ],
21 | "api_key": [
22 | {
23 | "current_key": "AIzaSyB3cRa1utZJ2T5gYbpVMAezEQzObqjTgLY"
24 | }
25 | ],
26 | "services": {
27 | "appinvite_service": {
28 | "other_platform_oauth_client": [
29 | {
30 | "client_id": "901715910992-ppftaiq2kb47pm7as7ek9qgobji5j44v.apps.googleusercontent.com",
31 | "client_type": 3
32 | }
33 | ]
34 | }
35 | }
36 | }
37 | ],
38 | "configuration_version": "1"
39 | }
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/app/proguard-rules.pro:
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1 | # Add project specific ProGuard rules here.
2 | # You can control the set of applied configuration files using the
3 | # proguardFiles setting in build.gradle.
4 | #
5 | # For more details, see
6 | # http://developer.android.com/guide/developing/tools/proguard.html
7 |
8 | # If your project uses WebView with JS, uncomment the following
9 | # and specify the fully qualified class name to the JavaScript interface
10 | # class:
11 | #-keepclassmembers class fqcn.of.javascript.interface.for.webview {
12 | # public *;
13 | #}
14 |
15 | # Uncomment this to preserve the line number information for
16 | # debugging stack traces.
17 | #-keepattributes SourceFile,LineNumberTable
18 |
19 | # If you keep the line number information, uncomment this to
20 | # hide the original source file name.
21 | #-renamesourcefileattribute SourceFile
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/app/src/androidTest/java/com/mindinventory/arcore2drenderingapp/ExampleInstrumentedTest.kt:
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1 | package com.mindinventory.arcore2drenderingapp
2 |
3 | import androidx.test.platform.app.InstrumentationRegistry
4 | import androidx.test.ext.junit.runners.AndroidJUnit4
5 |
6 | import org.junit.Test
7 | import org.junit.runner.RunWith
8 |
9 | import org.junit.Assert.*
10 |
11 | /**
12 | * Instrumented test, which will execute on an Android device.
13 | *
14 | * See [testing documentation](http://d.android.com/tools/testing).
15 | */
16 | @RunWith(AndroidJUnit4::class)
17 | class ExampleInstrumentedTest {
18 | @Test
19 | fun useAppContext() {
20 | // Context of the app under test.
21 | val appContext = InstrumentationRegistry.getInstrumentation().targetContext
22 | assertEquals("com.mindinventory.texture", appContext.packageName)
23 | }
24 | }
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/app/src/main/AndroidManifest.xml:
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1 |
2 |
4 |
5 |
6 |
9 |
10 |
17 |
18 |
21 |
22 |
23 |
24 |
25 |
26 |
27 |
28 |
29 |
30 |
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/app/src/main/assets/models/mind.png:
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https://raw.githubusercontent.com/Mindinventory/OpenGLES-Render-2D-texture-AndroidSample/40f82045c6793bda9cb774e38e7198de6302852c/app/src/main/assets/models/mind.png
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/app/src/main/assets/shaders/fragmentShader.frag:
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1 | precision highp float;
2 |
3 | uniform sampler2D u_Texture;
4 | varying vec2 v_TexCoord;
5 |
6 | void main(void){
7 | gl_FragColor = texture2D(u_Texture, v_TexCoord);
8 | }
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/app/src/main/assets/shaders/vertexShader.vert:
--------------------------------------------------------------------------------
1 | uniform mat4 uVPMatrix;
2 | attribute vec4 a_Position;
3 | attribute vec2 a_TexCoord;
4 | varying vec2 v_TexCoord;
5 |
6 | void main(void)
7 | {
8 | gl_Position = uVPMatrix * a_Position;
9 | v_TexCoord = vec2(a_TexCoord.x, (1.0 - (a_TexCoord.y)));
10 | }
11 |
12 |
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/app/src/main/java/com/mindinventory/arcore2drenderingapp/ShaderUtil.java:
--------------------------------------------------------------------------------
1 | package com.mindinventory.arcore2drenderingapp;
2 |
3 | import android.content.Context;
4 | import android.opengl.GLES20;
5 | import android.util.Log;
6 |
7 | import java.io.BufferedReader;
8 | import java.io.IOException;
9 | import java.io.InputStream;
10 | import java.io.InputStreamReader;
11 | import java.util.Map;
12 | import java.util.TreeMap;
13 |
14 | /**
15 | * Shader helper functions.
16 | */
17 | public final class ShaderUtil {
18 | /**
19 | * Converts a raw text file, saved as a resource, into an OpenGL ES shader.
20 | *
21 | * @param type The type of shader we will be creating.
22 | * @param filename The filename of the asset file about to be turned into a shader.
23 | * @param defineValuesMap The #define values to add to the top of the shader source code.
24 | * @return The shader object handler.
25 | */
26 | public static int loadGLShader(
27 | String tag, Context context, int type, String filename, Map defineValuesMap)
28 | throws IOException {
29 | // Load shader source code.
30 | String code = readShaderFileFromAssets(context, filename);
31 |
32 | // Prepend any #define values specified during this run.
33 | String defines = "";
34 | for (Map.Entry entry : defineValuesMap.entrySet()) {
35 | defines += "#define " + entry.getKey() + " " + entry.getValue() + "\n";
36 | }
37 | code = defines + code;
38 |
39 | // Compiles shader code.
40 | int shader = GLES20.glCreateShader(type);
41 | GLES20.glShaderSource(shader, code);
42 | GLES20.glCompileShader(shader);
43 |
44 | // Get the compilation status.
45 | final int[] compileStatus = new int[1];
46 | GLES20.glGetShaderiv(shader, GLES20.GL_COMPILE_STATUS, compileStatus, 0);
47 |
48 | // If the compilation failed, delete the shader.
49 | if (compileStatus[0] == 0) {
50 | Log.e(tag, "Error compiling shader: " + GLES20.glGetShaderInfoLog(shader));
51 | GLES20.glDeleteShader(shader);
52 | shader = 0;
53 | }
54 |
55 | if (shader == 0) {
56 | throw new RuntimeException("Error creating shader.");
57 | }
58 |
59 | return shader;
60 | }
61 |
62 | /**
63 | * Overload of loadGLShader that assumes no additional #define values to add.
64 | */
65 | public static int loadGLShader(String tag, Context context, int type, String filename)
66 | throws IOException {
67 | Map emptyDefineValuesMap = new TreeMap<>();
68 | return loadGLShader(tag, context, type, filename, emptyDefineValuesMap);
69 | }
70 |
71 | /**
72 | * Checks if we've had an error inside of OpenGL ES, and if so what that error is.
73 | *
74 | * @param label Label to report in case of error.
75 | * @throws RuntimeException If an OpenGL error is detected.
76 | */
77 | public static void checkGLError(String tag, String label) {
78 | int lastError = GLES20.GL_NO_ERROR;
79 | // Drain the queue of all errors.
80 | int error;
81 | while ((error = GLES20.glGetError()) != GLES20.GL_NO_ERROR) {
82 | Log.e(tag, label + ": glError " + error);
83 | lastError = error;
84 | }
85 | if (lastError != GLES20.GL_NO_ERROR) {
86 | throw new RuntimeException(label + ": glError " + lastError);
87 | }
88 | }
89 |
90 | /**
91 | * Converts a raw shader file into a string.
92 | *
93 | * @param filename The filename of the shader file about to be turned into a shader.
94 | * @return The context of the text file, or null in case of error.
95 | */
96 | private static String readShaderFileFromAssets(Context context, String filename)
97 | throws IOException {
98 | try (InputStream inputStream = context.getAssets().open(filename);
99 | BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream))) {
100 | StringBuilder sb = new StringBuilder();
101 | String line;
102 | while ((line = reader.readLine()) != null) {
103 | String[] tokens = line.split(" ", -1);
104 | if (tokens[0].equals("#include")) {
105 | String includeFilename = tokens[1];
106 | includeFilename = includeFilename.replace("\"", "");
107 | if (includeFilename.equals(filename)) {
108 | throw new IOException("Do not include the calling file.");
109 | }
110 | sb.append(readShaderFileFromAssets(context, includeFilename));
111 | } else {
112 | sb.append(line).append("\n");
113 | }
114 | }
115 | return sb.toString();
116 | }
117 | }
118 | }
119 |
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/app/src/main/java/com/mindinventory/arcore2drenderingapp/TextureActivity.kt:
--------------------------------------------------------------------------------
1 | package com.mindinventory.arcore2drenderingapp
2 |
3 | import android.annotation.SuppressLint
4 | import android.graphics.BitmapFactory
5 | import android.opengl.GLES20
6 | import android.opengl.GLSurfaceView
7 | import android.opengl.GLUtils
8 | import android.opengl.Matrix
9 | import android.os.Bundle
10 | import androidx.appcompat.app.AppCompatActivity
11 | import java.io.IOException
12 | import java.nio.ByteBuffer
13 | import java.nio.ByteOrder
14 | import java.nio.FloatBuffer
15 | import java.nio.ShortBuffer
16 | import javax.microedition.khronos.egl.EGLConfig
17 | import javax.microedition.khronos.opengles.GL10
18 |
19 | /**
20 | * This class uses for render 2d image using OpenGLES
21 | */
22 | class TextureActivity : AppCompatActivity(), GLSurfaceView.Renderer {
23 |
24 | companion object {
25 | private val TAG = this::class.java.simpleName
26 |
27 | private const val VERTEX_SHADER_NAME = "shaders/vertexShader.vert"
28 | private const val FRAGMENT_SHADER_NAME = "shaders/fragmentShader.frag"
29 | private const val COORDINATES_PER_VERTEX = 2
30 | private const val VERTEX_STRIDE: Int = COORDINATES_PER_VERTEX * 4
31 |
32 | private val QUADRANT_COORDINATES = floatArrayOf(
33 | //x, y
34 | -0.5f, 0.5f,
35 | -0.5f, -0.5f,
36 | 0.5f, -0.5f,
37 | 0.5f, 0.5f,
38 | )
39 |
40 | private val TEXTURE_COORDINATES = floatArrayOf(
41 | //x, y
42 | 0.0f, 1.0f,
43 | 0.0f, 0.0f,
44 | 1.0f, 0.0f,
45 | 1.0f, 1.0f,
46 | )
47 |
48 | private val DRAW_ORDER = shortArrayOf(0, 1, 2, 0, 2, 3)
49 | }
50 |
51 | private val vPMatrix = FloatArray(16)
52 | private val projectionMatrix = FloatArray(16)
53 | private val viewMatrix = FloatArray(16)
54 |
55 | private var quadPositionHandle = -1
56 | private var texPositionHandle = -1
57 | private var textureUniformHandle: Int = -1
58 | private var viewProjectionMatrixHandle: Int = -1
59 | private var program: Int = -1
60 | private val textureUnit = IntArray(1)
61 |
62 | /**
63 | * Convert float array to float buffer
64 | */
65 | private val quadrantCoordinatesBuffer: FloatBuffer = ByteBuffer.allocateDirect(QUADRANT_COORDINATES.size * 4).run {
66 | order(ByteOrder.nativeOrder())
67 | asFloatBuffer().apply {
68 | put(QUADRANT_COORDINATES)
69 | position(0)
70 | }
71 | }
72 |
73 | /**
74 | * Convert float array to float buffer
75 | */
76 | private val textureCoordinatesBuffer: FloatBuffer =
77 | ByteBuffer.allocateDirect(TEXTURE_COORDINATES.size * 4).run {
78 | order(ByteOrder.nativeOrder())
79 | asFloatBuffer().apply {
80 | put(TEXTURE_COORDINATES)
81 | position(0)
82 | }
83 | }
84 |
85 | /**
86 | * Convert short array to short buffer
87 | */
88 | private val drawOrderBuffer: ShortBuffer = ByteBuffer.allocateDirect(DRAW_ORDER.size * 2).run {
89 | order(ByteOrder.nativeOrder())
90 | asShortBuffer().apply {
91 | put(DRAW_ORDER)
92 | position(0)
93 | }
94 | }
95 |
96 | override fun onCreate(savedInstanceState: Bundle?) {
97 | super.onCreate(savedInstanceState)
98 | setContentView(R.layout.activity_texture)
99 |
100 | findViewById(R.id.glSurfaceView).setConfiguration()
101 | }
102 |
103 | /**
104 | * Uses for set configuration of GlSurfaceView
105 | */
106 | @SuppressLint("ClickableViewAccessibility")
107 | fun GLSurfaceView.setConfiguration() {
108 | keepScreenOn = true // Keep screen awake till ARCore performs detection
109 | preserveEGLContextOnPause = true
110 | setEGLContextClientVersion(2)
111 | setEGLConfigChooser(8, 8, 8, 8, 16, 0)
112 | setRenderer(this@TextureActivity)
113 | renderMode = GLSurfaceView.RENDERMODE_CONTINUOUSLY
114 | }
115 |
116 | /**
117 | * Called when surface is created or recreated
118 | */
119 | override fun onSurfaceCreated(p0: GL10?, p1: EGLConfig?) {
120 | // Set GL clear color to white.
121 | GLES20.glClearColor(255f, 255f, 255f, 1.0f)
122 |
123 | // Prepare the rendering objects. This involves reading shaders, so may throw an IOException.
124 | try {
125 | val vertexShader =
126 | ShaderUtil.loadGLShader(TAG, this, GLES20.GL_VERTEX_SHADER, VERTEX_SHADER_NAME)
127 | val fragmentShader =
128 | ShaderUtil.loadGLShader(TAG, this, GLES20.GL_FRAGMENT_SHADER, FRAGMENT_SHADER_NAME)
129 |
130 | program = GLES20.glCreateProgram()
131 | GLES20.glAttachShader(program, vertexShader)
132 | GLES20.glAttachShader(program, fragmentShader)
133 | GLES20.glLinkProgram(program)
134 | GLES20.glUseProgram(program)
135 |
136 | ShaderUtil.checkGLError(TAG, "Program creation")
137 |
138 | //Quadrant position handler
139 | quadPositionHandle = GLES20.glGetAttribLocation(program, "a_Position")
140 |
141 | //Texture position handler
142 | texPositionHandle = GLES20.glGetAttribLocation(program, "a_TexCoord")
143 |
144 | //Texture uniform handler
145 | textureUniformHandle = GLES20.glGetUniformLocation(program, "u_Texture")
146 |
147 | //View projection transformation matrix handler
148 | viewProjectionMatrixHandle = GLES20.glGetUniformLocation(program, "uVPMatrix")
149 |
150 | //Enable blend
151 | GLES20.glEnable(GLES20.GL_BLEND)
152 | //Uses to prevent transparent area to turn in black
153 | GLES20.glBlendFunc(GLES20.GL_ONE, GLES20.GL_ONE_MINUS_SRC_ALPHA)
154 |
155 | // Read the texture.
156 | val textureBitmap =
157 | BitmapFactory.decodeStream(this.assets.open("models/mind.png"))
158 |
159 | GLES20.glActiveTexture(GLES20.GL_TEXTURE0)
160 | GLES20.glGenTextures(textureUnit.size, textureUnit, 0)
161 | GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, textureUnit[0])
162 |
163 | GLUtils.texImage2D(GLES20.GL_TEXTURE_2D, 0, textureBitmap, 0)
164 | GLES20.glGenerateMipmap(GLES20.GL_TEXTURE_2D)
165 |
166 | textureBitmap.recycle()
167 |
168 | ShaderUtil.checkGLError(TAG, "Texture loading")
169 | } catch (e: IOException) {
170 | }
171 | }
172 |
173 | /**
174 | * Called after the surface is crated and whenever surface size changes
175 | */
176 | override fun onSurfaceChanged(p0: GL10?, width: Int, height: Int) {
177 | GLES20.glViewport(0, 0, width, height)
178 |
179 | val ratio: Float = width.toFloat() / height.toFloat()
180 |
181 | // this projection matrix is applied to object coordinates
182 | // in the onDrawFrame() method
183 | Matrix.frustumM(projectionMatrix, 0, -ratio, ratio, -1f, 1f, 3f, 7f)
184 | }
185 |
186 | /**
187 | * Uses for draw the current frame
188 | */
189 | override fun onDrawFrame(p0: GL10?) {
190 | // Use the GL clear color specified in onSurfaceCreated() to erase the GL surface.
191 | GLES20.glClear(GLES20.GL_COLOR_BUFFER_BIT or GLES20.GL_DEPTH_BUFFER_BIT)
192 |
193 | // Set the camera position (View matrix)
194 | Matrix.setLookAtM(viewMatrix, 0, 0f, 0f, 3f, 0f, 0f, 0f, 0f, 1.0f, 0.0f)
195 |
196 | // Calculate the projection and view transformation
197 | Matrix.multiplyMM(vPMatrix, 0, projectionMatrix, 0, viewMatrix, 0)
198 |
199 | try {
200 | GLES20.glUseProgram(program)
201 |
202 | // Attach the object texture.
203 | GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, textureUnit[0])
204 | GLES20.glUniform1i(textureUniformHandle, 0)
205 |
206 | // Pass the projection and view transformation to the shader
207 | GLES20.glUniformMatrix4fv(viewProjectionMatrixHandle, 1, false, vPMatrix, 0)
208 |
209 | //Pass quadrant position to shader
210 | GLES20.glVertexAttribPointer(
211 | quadPositionHandle,
212 | COORDINATES_PER_VERTEX,
213 | GLES20.GL_FLOAT,
214 | false,
215 | VERTEX_STRIDE,
216 | quadrantCoordinatesBuffer
217 | )
218 |
219 | //Pass texture position to shader
220 | GLES20.glVertexAttribPointer(
221 | texPositionHandle,
222 | COORDINATES_PER_VERTEX,
223 | GLES20.GL_FLOAT,
224 | false,
225 | VERTEX_STRIDE,
226 | textureCoordinatesBuffer
227 | )
228 |
229 | // Enable attribute handlers
230 | GLES20.glEnableVertexAttribArray(quadPositionHandle)
231 | GLES20.glEnableVertexAttribArray(texPositionHandle)
232 |
233 | //Draw shape
234 | GLES20.glDrawElements(
235 | GLES20.GL_TRIANGLES,
236 | DRAW_ORDER.size,
237 | GLES20.GL_UNSIGNED_SHORT,
238 | drawOrderBuffer
239 | )
240 |
241 | // Disable vertex arrays
242 | GLES20.glDisableVertexAttribArray(quadPositionHandle)
243 | GLES20.glDisableVertexAttribArray(texPositionHandle)
244 |
245 | ShaderUtil.checkGLError(TAG, "After draw")
246 | } catch (t: Throwable) {
247 | // Avoid crashing the application due to unhandled exceptions.
248 | }
249 | }
250 | }
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/app/src/main/res/drawable-v24/ic_launcher_foreground.xml:
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/app/src/main/res/layout/activity_texture.xml:
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/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml:
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/app/src/main/res/mipmap-xxxhdpi/ic_launcher.webp:
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/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.webp:
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/app/src/main/res/values-night/themes.xml:
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1 |
2 |
3 |
16 |
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/app/src/main/res/values/colors.xml:
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1 |
2 |
3 | #FFBB86FC
4 | #FF6200EE
5 | #FF3700B3
6 | #FF03DAC5
7 | #FF018786
8 | #FF000000
9 | #FFFFFFFF
10 |
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/app/src/main/res/values/strings.xml:
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1 |
2 | ArCore2DTextureRenderingApp
3 |
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/app/src/main/res/values/themes.xml:
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1 |
2 |
3 |
16 |
17 |
23 |
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/app/src/test/java/com/mindinventory/arcore2drenderingapp/ExampleUnitTest.kt:
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1 | package com.mindinventory.arcore2drenderingapp
2 |
3 | import org.junit.Test
4 |
5 | import org.junit.Assert.*
6 |
7 | /**
8 | * Example local unit test, which will execute on the development machine (host).
9 | *
10 | * See [testing documentation](http://d.android.com/tools/testing).
11 | */
12 | class ExampleUnitTest {
13 | @Test
14 | fun addition_isCorrect() {
15 | assertEquals(4, 2 + 2)
16 | }
17 | }
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/build.gradle:
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1 | // Top-level build file where you can add configuration options common to all sub-projects/modules.
2 |
3 | buildscript {
4 | // repositories {
5 | // // Check that you have the following line (if not, add it):
6 | // google() // Google's Maven repository
7 | //
8 | // }
9 | dependencies {
10 | // Add this line
11 | classpath 'com.google.gms:google-services:4.3.10'
12 |
13 | }
14 | }
15 |
16 |
17 |
18 | plugins {
19 | id 'com.android.application' version '7.1.0' apply false
20 | id 'com.android.library' version '7.1.0' apply false
21 | id 'org.jetbrains.kotlin.android' version '1.6.10' apply false
22 | }
23 |
24 | //allprojects {
25 | // repositories {
26 | // // Check that you have the following line (if not, add it):
27 | // google() // Google's Maven repository
28 | //
29 | // }
30 | //}
31 |
32 |
33 | task clean(type: Delete) {
34 | delete rootProject.buildDir
35 | }
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/gradle.properties:
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1 | # Project-wide Gradle settings.
2 | # IDE (e.g. Android Studio) users:
3 | # Gradle settings configured through the IDE *will override*
4 | # any settings specified in this file.
5 | # For more details on how to configure your build environment visit
6 | # http://www.gradle.org/docs/current/userguide/build_environment.html
7 | # Specifies the JVM arguments used for the daemon process.
8 | # The setting is particularly useful for tweaking memory settings.
9 | org.gradle.jvmargs=-Xmx2048m -Dfile.encoding=UTF-8
10 | # When configured, Gradle will run in incubating parallel mode.
11 | # This option should only be used with decoupled projects. More details, visit
12 | # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
13 | # org.gradle.parallel=true
14 | # AndroidX package structure to make it clearer which packages are bundled with the
15 | # Android operating system, and which are packaged with your app"s APK
16 | # https://developer.android.com/topic/libraries/support-library/androidx-rn
17 | android.useAndroidX=true
18 | # Kotlin code style for this project: "official" or "obsolete":
19 | kotlin.code.style=official
20 | # Enables namespacing of each library's R class so that its R class includes only the
21 | # resources declared in the library itself and none from the library's dependencies,
22 | # thereby reducing the size of the R class for that library
23 | android.nonTransitiveRClass=true
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/gradle/wrapper/gradle-wrapper.jar:
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/gradle/wrapper/gradle-wrapper.properties:
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1 | #Tue Feb 01 15:08:51 IST 2022
2 | distributionBase=GRADLE_USER_HOME
3 | distributionUrl=https\://services.gradle.org/distributions/gradle-7.2-bin.zip
4 | distributionPath=wrapper/dists
5 | zipStorePath=wrapper/dists
6 | zipStoreBase=GRADLE_USER_HOME
7 |
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/gradlew:
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1 | #!/usr/bin/env sh
2 |
3 | #
4 | # Copyright 2015 the original author or authors.
5 | #
6 | # Licensed under the Apache License, Version 2.0 (the "License");
7 | # you may not use this file except in compliance with the License.
8 | # You may obtain a copy of the License at
9 | #
10 | # https://www.apache.org/licenses/LICENSE-2.0
11 | #
12 | # Unless required by applicable law or agreed to in writing, software
13 | # distributed under the License is distributed on an "AS IS" BASIS,
14 | # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 | # See the License for the specific language governing permissions and
16 | # limitations under the License.
17 | #
18 |
19 | ##############################################################################
20 | ##
21 | ## Gradle start up script for UN*X
22 | ##
23 | ##############################################################################
24 |
25 | # Attempt to set APP_HOME
26 | # Resolve links: $0 may be a link
27 | PRG="$0"
28 | # Need this for relative symlinks.
29 | while [ -h "$PRG" ] ; do
30 | ls=`ls -ld "$PRG"`
31 | link=`expr "$ls" : '.*-> \(.*\)$'`
32 | if expr "$link" : '/.*' > /dev/null; then
33 | PRG="$link"
34 | else
35 | PRG=`dirname "$PRG"`"/$link"
36 | fi
37 | done
38 | SAVED="`pwd`"
39 | cd "`dirname \"$PRG\"`/" >/dev/null
40 | APP_HOME="`pwd -P`"
41 | cd "$SAVED" >/dev/null
42 |
43 | APP_NAME="Gradle"
44 | APP_BASE_NAME=`basename "$0"`
45 |
46 | # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
47 | DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
48 |
49 | # Use the maximum available, or set MAX_FD != -1 to use that value.
50 | MAX_FD="maximum"
51 |
52 | warn () {
53 | echo "$*"
54 | }
55 |
56 | die () {
57 | echo
58 | echo "$*"
59 | echo
60 | exit 1
61 | }
62 |
63 | # OS specific support (must be 'true' or 'false').
64 | cygwin=false
65 | msys=false
66 | darwin=false
67 | nonstop=false
68 | case "`uname`" in
69 | CYGWIN* )
70 | cygwin=true
71 | ;;
72 | Darwin* )
73 | darwin=true
74 | ;;
75 | MINGW* )
76 | msys=true
77 | ;;
78 | NONSTOP* )
79 | nonstop=true
80 | ;;
81 | esac
82 |
83 | CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
84 |
85 |
86 | # Determine the Java command to use to start the JVM.
87 | if [ -n "$JAVA_HOME" ] ; then
88 | if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
89 | # IBM's JDK on AIX uses strange locations for the executables
90 | JAVACMD="$JAVA_HOME/jre/sh/java"
91 | else
92 | JAVACMD="$JAVA_HOME/bin/java"
93 | fi
94 | if [ ! -x "$JAVACMD" ] ; then
95 | die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
96 |
97 | Please set the JAVA_HOME variable in your environment to match the
98 | location of your Java installation."
99 | fi
100 | else
101 | JAVACMD="java"
102 | which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
103 |
104 | Please set the JAVA_HOME variable in your environment to match the
105 | location of your Java installation."
106 | fi
107 |
108 | # Increase the maximum file descriptors if we can.
109 | if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
110 | MAX_FD_LIMIT=`ulimit -H -n`
111 | if [ $? -eq 0 ] ; then
112 | if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
113 | MAX_FD="$MAX_FD_LIMIT"
114 | fi
115 | ulimit -n $MAX_FD
116 | if [ $? -ne 0 ] ; then
117 | warn "Could not set maximum file descriptor limit: $MAX_FD"
118 | fi
119 | else
120 | warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
121 | fi
122 | fi
123 |
124 | # For Darwin, add options to specify how the application appears in the dock
125 | if $darwin; then
126 | GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
127 | fi
128 |
129 | # For Cygwin or MSYS, switch paths to Windows format before running java
130 | if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
131 | APP_HOME=`cygpath --path --mixed "$APP_HOME"`
132 | CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
133 |
134 | JAVACMD=`cygpath --unix "$JAVACMD"`
135 |
136 | # We build the pattern for arguments to be converted via cygpath
137 | ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
138 | SEP=""
139 | for dir in $ROOTDIRSRAW ; do
140 | ROOTDIRS="$ROOTDIRS$SEP$dir"
141 | SEP="|"
142 | done
143 | OURCYGPATTERN="(^($ROOTDIRS))"
144 | # Add a user-defined pattern to the cygpath arguments
145 | if [ "$GRADLE_CYGPATTERN" != "" ] ; then
146 | OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
147 | fi
148 | # Now convert the arguments - kludge to limit ourselves to /bin/sh
149 | i=0
150 | for arg in "$@" ; do
151 | CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
152 | CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option
153 |
154 | if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition
155 | eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
156 | else
157 | eval `echo args$i`="\"$arg\""
158 | fi
159 | i=`expr $i + 1`
160 | done
161 | case $i in
162 | 0) set -- ;;
163 | 1) set -- "$args0" ;;
164 | 2) set -- "$args0" "$args1" ;;
165 | 3) set -- "$args0" "$args1" "$args2" ;;
166 | 4) set -- "$args0" "$args1" "$args2" "$args3" ;;
167 | 5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
168 | 6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
169 | 7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
170 | 8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
171 | 9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
172 | esac
173 | fi
174 |
175 | # Escape application args
176 | save () {
177 | for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
178 | echo " "
179 | }
180 | APP_ARGS=`save "$@"`
181 |
182 | # Collect all arguments for the java command, following the shell quoting and substitution rules
183 | eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
184 |
185 | exec "$JAVACMD" "$@"
186 |
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/gradlew.bat:
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1 | @rem
2 | @rem Copyright 2015 the original author or authors.
3 | @rem
4 | @rem Licensed under the Apache License, Version 2.0 (the "License");
5 | @rem you may not use this file except in compliance with the License.
6 | @rem You may obtain a copy of the License at
7 | @rem
8 | @rem https://www.apache.org/licenses/LICENSE-2.0
9 | @rem
10 | @rem Unless required by applicable law or agreed to in writing, software
11 | @rem distributed under the License is distributed on an "AS IS" BASIS,
12 | @rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 | @rem See the License for the specific language governing permissions and
14 | @rem limitations under the License.
15 | @rem
16 |
17 | @if "%DEBUG%" == "" @echo off
18 | @rem ##########################################################################
19 | @rem
20 | @rem Gradle startup script for Windows
21 | @rem
22 | @rem ##########################################################################
23 |
24 | @rem Set local scope for the variables with windows NT shell
25 | if "%OS%"=="Windows_NT" setlocal
26 |
27 | set DIRNAME=%~dp0
28 | if "%DIRNAME%" == "" set DIRNAME=.
29 | set APP_BASE_NAME=%~n0
30 | set APP_HOME=%DIRNAME%
31 |
32 | @rem Resolve any "." and ".." in APP_HOME to make it shorter.
33 | for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
34 |
35 | @rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
36 | set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
37 |
38 | @rem Find java.exe
39 | if defined JAVA_HOME goto findJavaFromJavaHome
40 |
41 | set JAVA_EXE=java.exe
42 | %JAVA_EXE% -version >NUL 2>&1
43 | if "%ERRORLEVEL%" == "0" goto execute
44 |
45 | echo.
46 | echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
47 | echo.
48 | echo Please set the JAVA_HOME variable in your environment to match the
49 | echo location of your Java installation.
50 |
51 | goto fail
52 |
53 | :findJavaFromJavaHome
54 | set JAVA_HOME=%JAVA_HOME:"=%
55 | set JAVA_EXE=%JAVA_HOME%/bin/java.exe
56 |
57 | if exist "%JAVA_EXE%" goto execute
58 |
59 | echo.
60 | echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
61 | echo.
62 | echo Please set the JAVA_HOME variable in your environment to match the
63 | echo location of your Java installation.
64 |
65 | goto fail
66 |
67 | :execute
68 | @rem Setup the command line
69 |
70 | set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
71 |
72 |
73 | @rem Execute Gradle
74 | "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %*
75 |
76 | :end
77 | @rem End local scope for the variables with windows NT shell
78 | if "%ERRORLEVEL%"=="0" goto mainEnd
79 |
80 | :fail
81 | rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
82 | rem the _cmd.exe /c_ return code!
83 | if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
84 | exit /b 1
85 |
86 | :mainEnd
87 | if "%OS%"=="Windows_NT" endlocal
88 |
89 | :omega
90 |
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/media/mobile.png:
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https://raw.githubusercontent.com/Mindinventory/OpenGLES-Render-2D-texture-AndroidSample/40f82045c6793bda9cb774e38e7198de6302852c/media/mobile.png
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/settings.gradle:
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1 | pluginManagement {
2 | repositories {
3 | gradlePluginPortal()
4 | google()
5 | mavenCentral()
6 | }
7 | }
8 | dependencyResolutionManagement {
9 | repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS)
10 | repositories {
11 | google()
12 | mavenCentral()
13 | }
14 | // dependencies {
15 | // // Add this line
16 | // classpath 'com.google.gms:google-services:4.3.10'
17 | //
18 | // }
19 | }
20 | rootProject.name = "ArCore2DRenderingApp"
21 | include ':app'
22 |
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