feat: 增加测试module

2022-09-19 20:52:33 +08:00
parent d57bceea9e
commit 6724bd2944
61 changed files with 1266 additions and 0 deletions
--- a/MyOpenGLLearn/app/.gitignore
+++ b/MyOpenGLLearn/app/.gitignore
@@ -0,0 +1 @@
+/build
--- a/MyOpenGLLearn/app/build.gradle
+++ b/MyOpenGLLearn/app/build.gradle
@@ -0,0 +1,38 @@
+plugins {
+    id 'com.android.application'
+}
+
+android {
+    compileSdk 32
+
+    defaultConfig {
+        applicationId "com.navinfo.myopengllearn"
+        minSdk 26
+        targetSdk 32
+        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 {
+
+    implementation 'androidx.appcompat:appcompat:1.5.1'
+    implementation 'com.google.android.material:material:1.6.1'
+    implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
+    testImplementation 'junit:junit:4.13.2'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.3'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'
+}
--- a/MyOpenGLLearn/app/proguard-rules.pro
+++ b/MyOpenGLLearn/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
--- a/MyOpenGLLearn/app/src/androidTest/java/com/navinfo/myopengllearn/ExampleInstrumentedTest.java
+++ b/MyOpenGLLearn/app/src/androidTest/java/com/navinfo/myopengllearn/ExampleInstrumentedTest.java
@@ -0,0 +1,26 @@
+package com.navinfo.myopengllearn;
+
+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.navinfo.myopengllearn", appContext.getPackageName());
+    }
+}
--- a/MyOpenGLLearn/app/src/main/AndroidManifest.xml
+++ b/MyOpenGLLearn/app/src/main/AndroidManifest.xml
@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    package="com.navinfo.myopengllearn">
+
+    <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.MyOpenGLLearn"
+        tools:targetApi="31">
+        <activity
+            android:name=".Sample3_1Activity"
+            android:exported="true">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>
--- a/MyOpenGLLearn/app/src/main/java/com/navinfo/myopengllearn/MyTDView.java
+++ b/MyOpenGLLearn/app/src/main/java/com/navinfo/myopengllearn/MyTDView.java
@@ -0,0 +1,77 @@
+package com.navinfo.myopengllearn;
+
+import javax.microedition.khronos.egl.EGLConfig;
+import javax.microedition.khronos.opengles.GL10;
+import android.content.Context;
+import android.opengl.GLES20;
+import android.opengl.GLSurfaceView;
+import android.opengl.Matrix;
+
+public class MyTDView extends GLSurfaceView
+{
+    final float ANGLE_SPAN = 0.375f;
+
+    RotateThread rthread;
+    SceneRenderer mRenderer;
+    public MyTDView(Context context)
+    {
+        super(context);
+        this.setEGLContextClientVersion(2);
+        mRenderer=new SceneRenderer();
+        this.setRenderer(mRenderer);
+        this.setRenderMode(GLSurfaceView.RENDERMODE_CONTINUOUSLY);
+    }
+    private class SceneRenderer implements GLSurfaceView.Renderer
+    {
+        Triangle tle;
+        public void onDrawFrame(GL10 gl)
+        {
+            //清除深度缓冲与颜色缓冲
+            GLES20.glClear( GLES20.GL_DEPTH_BUFFER_BIT | GLES20.GL_COLOR_BUFFER_BIT);
+            //绘制三角形对
+            tle.drawSelf();
+        }
+        public void onSurfaceChanged(GL10 gl, int width, int height)
+        {
+            //设置视窗大小及位置
+            GLES20.glViewport(0, 0, width, height);
+            //计算GLSurfaceView的宽高比
+            float ratio = (float) width / height;
+            //调用此方法计算产生透视投影矩阵
+            Matrix.frustumM(Triangle.mProjMatrix, 0, -ratio, ratio, -1, 1, 1, 10);
+            //调用此方法产生摄像机9参数位置矩阵
+            Matrix.setLookAtM(Triangle.mVMatrix, 0, 0,0,3,0f,0f,0f,0f,1.0f,0.0f);
+        }
+        public void onSurfaceCreated(GL10 gl, EGLConfig config)
+        {
+            //设置屏幕背景色RGBA
+            GLES20.glClearColor(0,0,0,1.0f);
+            //创建三角形对对象
+            tle=new Triangle(MyTDView.this);
+            //打开深度检测
+            GLES20.glEnable(GLES20.GL_DEPTH_TEST);
+            rthread=new RotateThread();
+            rthread.start();
+        }
+    }
+    public class RotateThread extends Thread
+    {
+        public boolean flag=true;
+        @Override
+        public void run()
+        {
+            while(flag)
+            {
+                mRenderer.tle.xAngle=mRenderer.tle.xAngle+ANGLE_SPAN;
+                try
+                {
+                    Thread.sleep(20);
+                }
+                catch(Exception e)
+                {
+                    e.printStackTrace();
+                }
+            }
+        }
+    }
+}
--- a/MyOpenGLLearn/app/src/main/java/com/navinfo/myopengllearn/Sample3_1Activity.java
+++ b/MyOpenGLLearn/app/src/main/java/com/navinfo/myopengllearn/Sample3_1Activity.java
@@ -0,0 +1,33 @@
+package com.navinfo.myopengllearn;
+
+import android.app.Activity;
+import android.content.pm.ActivityInfo;
+import android.os.Bundle;
+
+public class Sample3_1Activity extends Activity
+{
+    MyTDView mview;
+    @Override
+    public void onCreate(Bundle savedInstanceState)
+    {
+        super.onCreate(savedInstanceState);
+        //设置为竖屏模式
+        setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
+        mview=new MyTDView(this);
+        mview.requestFocus();
+        mview.setFocusableInTouchMode(true);
+        setContentView(mview);
+    }
+    @Override
+    public void onResume()
+    {
+        super.onResume();
+        mview.onResume();
+    }
+    @Override
+    public void onPause()
+    {
+        super.onPause();
+        mview.onPause();
+    }
+}
--- a/MyOpenGLLearn/app/src/main/java/com/navinfo/myopengllearn/ShaderUtil.java
+++ b/MyOpenGLLearn/app/src/main/java/com/navinfo/myopengllearn/ShaderUtil.java
@@ -0,0 +1,126 @@
+package com.navinfo.myopengllearn;
+
+import java.io.ByteArrayOutputStream;
+import java.io.InputStream;
+
+import android.content.res.Resources;
+import android.opengl.GLES20;
+import android.util.Log;
+
+//加载顶点Shader与片元Shader的工具类
+public class ShaderUtil
+{
+    //加载制定shader的方法
+    public static int loadShader
+    (
+            int shaderType, //shader的类型  GLES20.GL_VERTEX_SHADER(顶点)   GLES20.GL_FRAGMENT_SHADER(片元)
+            String source   //shader的脚本字符串
+    )
+    {
+        //创建一个新shader
+        int shader = GLES20.glCreateShader(shaderType);
+        //若创建成功则加载shader
+        if (shader != 0)
+        {
+            //加载shader的源代码
+            GLES20.glShaderSource(shader, source);
+            //编译shader
+            GLES20.glCompileShader(shader);
+            //存放编译成功shader数量的数组
+            int[] compiled = new int[1];
+            //获取Shader的编译情况
+            GLES20.glGetShaderiv(shader, GLES20.GL_COMPILE_STATUS, compiled, 0);
+            if (compiled[0] == 0)
+            {//若编译失败则显示错误日志并删除此shader
+                Log.e("ES20_ERROR", "Could not compile shader " + shaderType + ":");
+                Log.e("ES20_ERROR", GLES20.glGetShaderInfoLog(shader));
+                GLES20.glDeleteShader(shader);
+                shader = 0;
+            }
+        }
+        return shader;
+    }
+
+    //创建shader程序的方法
+    public static int createProgram(String vertexSource, String fragmentSource)
+    {
+        //加载顶点着色器
+        int vertexShader = loadShader(GLES20.GL_VERTEX_SHADER, vertexSource);
+        if (vertexShader == 0)
+        {
+            return 0;
+        }
+
+        //加载片元着色器
+        int pixelShader = loadShader(GLES20.GL_FRAGMENT_SHADER, fragmentSource);
+        if (pixelShader == 0)
+        {
+            return 0;
+        }
+
+        //创建程序
+        int program = GLES20.glCreateProgram();
+        //若程序创建成功则向程序中加入顶点着色器与片元着色器
+        if (program != 0)
+        {
+            //向程序中加入顶点着色器
+            GLES20.glAttachShader(program, vertexShader);
+            checkGlError("glAttachShader");
+            //向程序中加入片元着色器
+            GLES20.glAttachShader(program, pixelShader);
+            checkGlError("glAttachShader");
+            //链接程序
+            GLES20.glLinkProgram(program);
+            //存放链接成功program数量的数组
+            int[] linkStatus = new int[1];
+            //获取program的链接情况
+            GLES20.glGetProgramiv(program, GLES20.GL_LINK_STATUS, linkStatus, 0);
+            //若链接失败则报错并删除程序
+            if (linkStatus[0] != GLES20.GL_TRUE)
+            {
+                Log.e("ES20_ERROR", "Could not link program: ");
+                Log.e("ES20_ERROR", GLES20.glGetProgramInfoLog(program));
+                GLES20.glDeleteProgram(program);
+                program = 0;
+            }
+        }
+        return program;
+    }
+
+    //检查每一步操作是否有错误的方法
+    public static void checkGlError(String op)
+    {
+        int error;
+        while ((error = GLES20.glGetError()) != GLES20.GL_NO_ERROR)
+        {
+            Log.e("ES20_ERROR", op + ": glError " + error);
+            throw new RuntimeException(op + ": glError " + error);
+        }
+    }
+
+    //从sh脚本中加载shader内容的方法
+    public static String loadFromAssetsFile(String fname,Resources r)
+    {
+        String result=null;
+        try
+        {
+            InputStream in=r.getAssets().open(fname);
+            int ch=0;
+            ByteArrayOutputStream baos = new ByteArrayOutputStream();
+            while((ch=in.read())!=-1)
+            {
+                baos.write(ch);
+            }
+            byte[] buff=baos.toByteArray();
+            baos.close();
+            in.close();
+            result=new String(buff,"UTF-8");
+            result=result.replaceAll("\\r\\n","\n");
+        }
+        catch(Exception e)
+        {
+            e.printStackTrace();
+        }
+        return result;
+    }
+}
--- a/MyOpenGLLearn/app/src/main/java/com/navinfo/myopengllearn/Triangle.java
+++ b/MyOpenGLLearn/app/src/main/java/com/navinfo/myopengllearn/Triangle.java
@@ -0,0 +1,128 @@
+package com.navinfo.myopengllearn;
+
+import java.nio.ByteBuffer;
+import java.nio.ByteOrder;
+import java.nio.FloatBuffer;
+import android.opengl.GLES20;
+import android.opengl.Matrix;
+
+//三角形
+public class Triangle
+{
+    public static float[] mProjMatrix = new float[16];//4x4矩阵 投影用
+    public static float[] mVMatrix = new float[16];//摄像机位置朝向9参数矩阵
+    public static float[] mMVPMatrix;//最后起作用的总变换矩阵
+
+    int mProgram;//自定义渲染管线程序id
+    int muMVPMatrixHandle;//总变换矩阵引用id
+    int maPositionHandle; //顶点位置属性引用id
+    int maColorHandle; //顶点颜色属性引用id
+    String mVertexShader;//顶点着色器
+    String mFragmentShader;//片元着色器
+    static float[] mMMatrix = new float[16];//具体物体的移动旋转矩阵，旋转、平移
+
+    FloatBuffer   mVertexBuffer;//顶点坐标数据缓冲
+    FloatBuffer   mColorBuffer;//顶点着色数据缓冲
+    int vCount=0;
+    float xAngle=0;//绕x轴旋转的角度
+    public Triangle(MyTDView mv)
+    {
+        //初始化顶点坐标与着色数据
+        initVertexData();
+        //初始化shader
+        initShader(mv);
+    }
+
+    public void initVertexData()
+    {
+        //顶点坐标数据的初始化
+        vCount=3;
+        final float UNIT_SIZE=0.2f;
+        float vertices[]=new float[]
+                {
+                        -4*UNIT_SIZE,0,
+                        0,0,-4*UNIT_SIZE,
+                        0,4*UNIT_SIZE,0,0
+                };
+
+        ByteBuffer vbb = ByteBuffer.allocateDirect(vertices.length*4);
+        vbb.order(ByteOrder.nativeOrder());
+        mVertexBuffer = vbb.asFloatBuffer();
+        mVertexBuffer.put(vertices);
+        mVertexBuffer.position(0);
+
+        float colors[]=new float[]
+                {
+                        1,1,1,0,
+                        0,0,1,0,
+                        0,1,0,0
+                };
+
+        ByteBuffer cbb = ByteBuffer.allocateDirect(colors.length*4);
+        cbb.order(ByteOrder.nativeOrder());
+        mColorBuffer = cbb.asFloatBuffer();
+        mColorBuffer.put(colors);
+        mColorBuffer.position(0);
+    }
+
+    //初始化shader
+    public void initShader(MyTDView mv)
+    {
+        //加载顶点着色器的脚本内容
+        mVertexShader=ShaderUtil.loadFromAssetsFile("vertex.sh", mv.getResources());
+        //加载片元着色器的脚本内容
+        mFragmentShader=ShaderUtil.loadFromAssetsFile("frag.sh", mv.getResources());
+        //基于顶点着色器与片元着色器创建程序
+        mProgram = ShaderUtil.createProgram(mVertexShader, mFragmentShader);
+        //获取程序中顶点位置属性引用id
+        maPositionHandle = GLES20.glGetAttribLocation(mProgram, "aPosition");
+        //获取程序中顶点颜色属性引用id
+        maColorHandle= GLES20.glGetAttribLocation(mProgram, "aColor");
+        //获取程序中总变换矩阵引用id
+        muMVPMatrixHandle = GLES20.glGetUniformLocation(mProgram, "uMVPMatrix");
+    }
+
+    public void drawSelf()
+    {
+        //制定使用某套shader程序
+        GLES20.glUseProgram(mProgram);
+        //初始化变换矩阵
+        Matrix.setRotateM(mMMatrix,0,0,0,1,0);
+        //设置沿Z轴正向位移1
+        Matrix.translateM(mMMatrix,0,0,0,1);
+        //设置绕x轴旋转
+        Matrix.rotateM(mMMatrix,0,xAngle,1,0,0);
+        //
+        GLES20.glUniformMatrix4fv(muMVPMatrixHandle, 1, false, Triangle.getFianlMatrix(mMMatrix), 0);
+        //为画笔指定顶点位置数据
+        GLES20.glVertexAttribPointer(
+                maPositionHandle,
+                3,
+                GLES20.GL_FLOAT,
+                false,
+                3*4,
+                mVertexBuffer
+        );
+        GLES20.glVertexAttribPointer
+                (
+                        maColorHandle,
+                        4,
+                        GLES20.GL_FLOAT,
+                        false,
+                        4*4,
+                        mColorBuffer
+                );
+        //允许顶点位置数据数组
+        GLES20.glEnableVertexAttribArray(maPositionHandle);
+        GLES20.glEnableVertexAttribArray(maColorHandle);
+        //绘制三角形
+        GLES20.glDrawArrays(GLES20.GL_TRIANGLES, 0, vCount);
+    }
+    public static float[] getFianlMatrix(float[] spec)
+    {
+        mMVPMatrix=new float[16];
+        Matrix.multiplyMM(mMVPMatrix, 0, mVMatrix, 0, spec, 0);
+        Matrix.multiplyMM(mMVPMatrix, 0, mProjMatrix, 0, mMVPMatrix, 0);
+        return mMVPMatrix;
+    }
+}
--- a/MyOpenGLLearn/app/src/main/res/drawable-v24/ic_launcher_foreground.xml
+++ b/MyOpenGLLearn/app/src/main/res/drawable-v24/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>
--- a/MyOpenGLLearn/app/src/main/res/drawable/ic_launcher_background.xml
+++ b/MyOpenGLLearn/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>
--- a/MyOpenGLLearn/app/src/main/res/layout/activity_sample31.xml
+++ b/MyOpenGLLearn/app/src/main/res/layout/activity_sample31.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".Sample3_1Activity">
+
+</androidx.constraintlayout.widget.ConstraintLayout>
--- a/MyOpenGLLearn/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
+++ b/MyOpenGLLearn/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
@@ -0,0 +1,5 @@
+<?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" />
+</adaptive-icon>
--- a/MyOpenGLLearn/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
+++ b/MyOpenGLLearn/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
@@ -0,0 +1,5 @@
+<?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" />
+</adaptive-icon>
--- a/MyOpenGLLearn/app/src/main/res/mipmap-hdpi/ic_launcher.webp
+++ b/MyOpenGLLearn/app/src/main/res/mipmap-hdpi/ic_launcher.webp
--- a/MyOpenGLLearn/app/src/main/res/mipmap-hdpi/ic_launcher_round.webp
+++ b/MyOpenGLLearn/app/src/main/res/mipmap-hdpi/ic_launcher_round.webp
--- a/MyOpenGLLearn/app/src/main/res/mipmap-mdpi/ic_launcher.webp
+++ b/MyOpenGLLearn/app/src/main/res/mipmap-mdpi/ic_launcher.webp
--- a/MyOpenGLLearn/app/src/main/res/mipmap-mdpi/ic_launcher_round.webp
+++ b/MyOpenGLLearn/app/src/main/res/mipmap-mdpi/ic_launcher_round.webp
--- a/MyOpenGLLearn/app/src/main/res/mipmap-xhdpi/ic_launcher.webp
+++ b/MyOpenGLLearn/app/src/main/res/mipmap-xhdpi/ic_launcher.webp
--- a/MyOpenGLLearn/app/src/main/res/mipmap-xhdpi/ic_launcher_round.webp
+++ b/MyOpenGLLearn/app/src/main/res/mipmap-xhdpi/ic_launcher_round.webp
--- a/MyOpenGLLearn/app/src/main/res/mipmap-xxhdpi/ic_launcher.webp
+++ b/MyOpenGLLearn/app/src/main/res/mipmap-xxhdpi/ic_launcher.webp
--- a/MyOpenGLLearn/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.webp
+++ b/MyOpenGLLearn/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.webp
--- a/MyOpenGLLearn/app/src/main/res/mipmap-xxxhdpi/ic_launcher.webp
+++ b/MyOpenGLLearn/app/src/main/res/mipmap-xxxhdpi/ic_launcher.webp
--- a/MyOpenGLLearn/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.webp
+++ b/MyOpenGLLearn/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.webp
--- a/MyOpenGLLearn/app/src/main/res/values-night/themes.xml
+++ b/MyOpenGLLearn/app/src/main/res/values-night/themes.xml
@@ -0,0 +1,16 @@
+<resources xmlns:tools="http://schemas.android.com/tools">
+    <!-- Base application theme. -->
+    <style name="Theme.MyOpenGLLearn" parent="Theme.MaterialComponents.DayNight.DarkActionBar">
+        <!-- Primary brand color. -->
+        <item name="colorPrimary">@color/purple_200</item>
+        <item name="colorPrimaryVariant">@color/purple_700</item>
+        <item name="colorOnPrimary">@color/black</item>
+        <!-- Secondary brand color. -->
+        <item name="colorSecondary">@color/teal_200</item>
+        <item name="colorSecondaryVariant">@color/teal_200</item>
+        <item name="colorOnSecondary">@color/black</item>
+        <!-- Status bar color. -->
+        <item name="android:statusBarColor" tools:targetApi="l">?attr/colorPrimaryVariant</item>
+        <!-- Customize your theme here. -->
+    </style>
+</resources>
--- a/MyOpenGLLearn/app/src/main/res/values/colors.xml
+++ b/MyOpenGLLearn/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>
--- a/MyOpenGLLearn/app/src/main/res/values/strings.xml
+++ b/MyOpenGLLearn/app/src/main/res/values/strings.xml
@@ -0,0 +1,3 @@
+<resources>
+    <string name="app_name">MyOpenGLLearn</string>
+</resources>
--- a/MyOpenGLLearn/app/src/main/res/values/themes.xml
+++ b/MyOpenGLLearn/app/src/main/res/values/themes.xml
@@ -0,0 +1,16 @@
+<resources xmlns:tools="http://schemas.android.com/tools">
+    <!-- Base application theme. -->
+    <style name="Theme.MyOpenGLLearn" parent="Theme.MaterialComponents.DayNight.DarkActionBar">
+        <!-- Primary brand color. -->
+        <item name="colorPrimary">@color/purple_500</item>
+        <item name="colorPrimaryVariant">@color/purple_700</item>
+        <item name="colorOnPrimary">@color/white</item>
+        <!-- Secondary brand color. -->
+        <item name="colorSecondary">@color/teal_200</item>
+        <item name="colorSecondaryVariant">@color/teal_700</item>
+        <item name="colorOnSecondary">@color/black</item>
+        <!-- Status bar color. -->
+        <item name="android:statusBarColor" tools:targetApi="l">?attr/colorPrimaryVariant</item>
+        <!-- Customize your theme here. -->
+    </style>
+</resources>
--- a/MyOpenGLLearn/app/src/main/res/xml/backup_rules.xml
+++ b/MyOpenGLLearn/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>
--- a/MyOpenGLLearn/app/src/main/res/xml/data_extraction_rules.xml
+++ b/MyOpenGLLearn/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>
--- a/MyOpenGLLearn/app/src/test/java/com/navinfo/myopengllearn/ExampleUnitTest.java
+++ b/MyOpenGLLearn/app/src/test/java/com/navinfo/myopengllearn/ExampleUnitTest.java
@@ -0,0 +1,17 @@
+package com.navinfo.myopengllearn;
+
+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);
+    }
+}