Working OpenGLES demo.

.gitignore

@@ -0,0 +1,12 @@
+*.iml
+.idea
+.gradle
+gradle
+*.log
+/local.properties
+/.idea/workspace.xml
+/.idea/libraries
+.DS_Store
+/build
+/captures
+.externalNativeBuild

app/.gitignore

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

app/build.gradle

@@ -0,0 +1,30 @@
+apply plugin: 'com.android.application'
+
+android {
+    compileSdkVersion 25
+    buildToolsVersion "25.0.3"
+    defaultConfig {
+        applicationId "com.codigoparallevar.minicards"
+        minSdkVersion 15
+        targetSdkVersion 25
+        versionCode 1
+        versionName "1.0"
+        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+    }
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+        }
+    }
+}
+
+dependencies {
+    implementation fileTree(dir: 'libs', include: ['*.jar'])
+    androidTestImplementation('com.android.support.test.espresso:espresso-core:2.2.2', {
+        exclude group: 'com.android.support', module: 'support-annotations'
+    })
+    implementation 'com.android.support:appcompat-v7:25.4.0'
+    testImplementation 'junit:junit:4.12'
+    implementation 'com.android.support.constraint:constraint-layout:1.0.2'
+}

app/proguard-rules.pro

@@ -0,0 +1,25 @@
+# Add project specific ProGuard rules here.
+# By default, the flags in this file are appended to flags specified
+# in /home/kenkeiras/android-sdk-linux/tools/proguard/proguard-android.txt
+# You can edit the include path and order by changing the proguardFiles
+# directive in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# Add any project specific keep options here:
+
+# 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/codigoparallevar/minicards/ExampleInstrumentedTest.java

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+package com.codigoparallevar.minicards;
+
+import android.content.Context;
+import android.support.test.InstrumentationRegistry;
+import android.support.test.runner.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() throws Exception {
+        // Context of the app under test.
+        Context appContext = InstrumentationRegistry.getTargetContext();
+
+        assertEquals("com.codigoparallevar.minicards", 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.codigoparallevar.minicards">
+
+    <!-- OpenGL ES 2.0 -->
+
+    <uses-feature android:glEsVersion="0x00020000" 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/AppTheme">
+
+
+        <activity android:name=".TestActivity">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>

app/src/main/java/com/codigoparallevar/minicards/TestActivity.java

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+package com.codigoparallevar.minicards;
+
+import android.opengl.GLSurfaceView;
+import android.support.v7.app.AppCompatActivity;
+import android.os.Bundle;
+
+import com.codigoparallevar.minicards.rendering.MyGLSurfaceView;
+
+public class TestActivity extends AppCompatActivity {
+
+    private GLSurfaceView mGLView;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        // Create a GLSurfaceView instance and set it
+        // as the ContentView for this Activity.
+        mGLView = new MyGLSurfaceView(this);
+        setContentView(mGLView);
+    }
+}

app/src/main/java/com/codigoparallevar/minicards/rendering/MyGLSurfaceView.java

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+package com.codigoparallevar.minicards.rendering;
+
+import android.content.Context;
+import android.opengl.GLSurfaceView;
+
+public class MyGLSurfaceView extends GLSurfaceView {
+
+    private final MyGlRenderer mRenderer;
+
+    public MyGLSurfaceView(Context context) {
+        super(context);
+
+        setEGLContextClientVersion(2);
+
+        mRenderer = new MyGlRenderer();
+
+        setRenderer(mRenderer);
+        setRenderMode(GLSurfaceView.RENDERMODE_WHEN_DIRTY);
+    }
+}

app/src/main/java/com/codigoparallevar/minicards/rendering/MyGlRenderer.java

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+package com.codigoparallevar.minicards.rendering;
+
+import android.opengl.GLES20;
+import android.opengl.GLSurfaceView;
+import android.util.Log;
+
+import javax.microedition.khronos.egl.EGLConfig;
+import javax.microedition.khronos.opengles.GL10;
+
+class MyGlRenderer implements GLSurfaceView.Renderer {
+
+    private Triangle mTriangle;
+    private Square mSquare;
+
+    @Override
+    public void onSurfaceCreated(GL10 gl10, EGLConfig eglConfig) {
+        GLES20.glClearColor(0.75f, 0.81f, 1.0f, 1.0f);
+
+        mTriangle = new Triangle();
+        mSquare = new Square();
+    }
+
+    @Override
+    public void onSurfaceChanged(GL10 gl10, int width, int height) {
+        GLES20.glViewport(0, 0, width, height);
+    }
+
+    @Override
+    public void onDrawFrame(GL10 gl10) {
+        GLES20.glClear(GLES20.GL_COLOR_BUFFER_BIT);
+        mTriangle.draw();
+    }
+
+    public static int loadShader(int type, String shaderCode){
+        // create a vertex shader type (GLES20.GL_VERTEX_SHADER)
+        // or a fragment shader type (GLES20.GL_FRAGMENT_SHADER)
+        int shader = GLES20.glCreateShader(type);
+
+        // add the source code to the shader and compile it
+        GLES20.glShaderSource(shader, shaderCode);
+        GLES20.glCompileShader(shader);
+
+        return shader;
+    }
+}

app/src/main/java/com/codigoparallevar/minicards/rendering/Square.java

@@ -0,0 +1,67 @@
+package com.codigoparallevar.minicards.rendering;
+
+import android.opengl.GLES20;
+
+import java.nio.ByteBuffer;
+import java.nio.ByteOrder;
+import java.nio.FloatBuffer;
+import java.nio.ShortBuffer;
+import java.sql.SQLInvalidAuthorizationSpecException;
+
+public class Square {
+
+    private final String vertexShaderCode =
+            "attribute vec4 vPosition;" +
+                    "void main(){" +
+                    "gl_Position = vPosition;" +
+                    "}";
+
+    private final String fragmentShaderCode =
+            "precision medium float;" +
+                    "uniform vec4 vColor;" +
+                    "void main(){" +
+                    "gl_FragColor = vColor;" +
+                    "}";
+    private final int mProgram;
+
+
+    private FloatBuffer vertexBuffer;
+    private ShortBuffer drawListBuffer;
+
+    static final int COORDS_PER_VERTEX = 3;
+    static float squareCoords[] = {
+            -0.5f,  0.5f, 0.0f,   // top left
+            -0.5f, -0.5f, 0.0f,   // bottom left
+             0.5f, -0.5f, 0.0f,   // bottom right
+             0.5f,  0.5f, 0.0f,   // top right
+    };
+
+    private short drawOrder[] = { 0, 1, 2, 0, 2, 3 }; // order to draw vertices
+
+    public Square(){
+        ByteBuffer bb = ByteBuffer.allocateDirect(squareCoords.length * 4);
+        bb.order(ByteOrder.nativeOrder());
+
+        vertexBuffer = bb.asFloatBuffer();
+        vertexBuffer.put(squareCoords);
+        vertexBuffer.position(0);
+
+        ByteBuffer dlb = ByteBuffer.allocateDirect(drawOrder.length * 2);
+        dlb.order(ByteOrder.nativeOrder());
+        drawListBuffer = dlb.asShortBuffer();
+        drawListBuffer.put(drawOrder);
+        drawListBuffer.position(0);
+
+
+        int vertexShader = MyGlRenderer.loadShader(GLES20.GL_VERTEX_SHADER,
+                vertexShaderCode);
+        int fragmentShader = MyGlRenderer.loadShader(GLES20.GL_FRAGMENT_SHADER,
+                fragmentShaderCode);
+
+        mProgram = GLES20.glCreateProgram();
+        GLES20.glAttachShader(mProgram, vertexShader);
+        GLES20.glAttachShader(mProgram, fragmentShader);
+
+        GLES20.glLinkProgram(mProgram);
+    }
+}

app/src/main/java/com/codigoparallevar/minicards/rendering/Triangle.java

@@ -0,0 +1,80 @@
+package com.codigoparallevar.minicards.rendering;
+
+import android.opengl.GLES20;
+import android.util.Log;
+
+import java.nio.ByteBuffer;
+import java.nio.ByteOrder;
+import java.nio.FloatBuffer;
+
+public class Triangle {
+
+    private final String vertexShaderCode =
+            "attribute vec4 vPosition;" +
+            "void main(){" +
+                "gl_Position = vPosition;" +
+            "}";
+
+    private final String fragmentShaderCode =
+            "precision mediump float;" +
+            "uniform vec4 vColor;" +
+            "void main(){" +
+                "gl_FragColor = vColor;" +
+            "}";
+
+    private FloatBuffer vertexBuffer;
+    private final int mProgram;
+
+    static final int COORDS_PER_VERTEX = 3;
+    static float triangleCoords[] = {
+             0.0f,  0.622008459f, 0.0f, // top
+            -0.5f, -0.311004243f, 0.0f, // bottom left
+             0.5f, -0.311004243f, 0.0f  // bottom right
+    };
+
+    // Set color with red, green, blue and alpha (opacity) values
+    float color[] = { 0.63671875f, 0.76953125f, 0.22265625f, 1.0f };
+    private int mPositionHandle;
+    private int mColorHandle;
+
+    private final int vertexCount = triangleCoords.length / COORDS_PER_VERTEX;
+    private final int vertexStride = COORDS_PER_VERTEX * 4; // 4 bytes per vertex
+
+    public Triangle(){
+        ByteBuffer bb = ByteBuffer.allocateDirect(triangleCoords.length * 4);
+        bb.order(ByteOrder.nativeOrder());
+
+        vertexBuffer = bb.asFloatBuffer();
+        vertexBuffer.put(triangleCoords);
+        vertexBuffer.position(0);
+
+        int vertexShader = MyGlRenderer.loadShader(GLES20.GL_VERTEX_SHADER,
+                                                   vertexShaderCode);
+        int fragmentShader = MyGlRenderer.loadShader(GLES20.GL_FRAGMENT_SHADER,
+                                                     fragmentShaderCode);
+
+        mProgram = GLES20.glCreateProgram();
+        GLES20.glAttachShader(mProgram, vertexShader);
+        GLES20.glAttachShader(mProgram, fragmentShader);
+
+        GLES20.glLinkProgram(mProgram);
+    }
+
+    public void draw(){
+        GLES20.glUseProgram(mProgram);
+
+        mPositionHandle = GLES20.glGetAttribLocation(mProgram, "vPosition");
+        GLES20.glEnableVertexAttribArray(mPositionHandle);
+
+        GLES20.glVertexAttribPointer(mPositionHandle, COORDS_PER_VERTEX,
+                                     GLES20.GL_FLOAT, false,
+                                     vertexStride, vertexBuffer);
+
+        mColorHandle = GLES20.glGetUniformLocation(mProgram, "vColor");
+
+        GLES20.glUniform4fv(mColorHandle, 1, color, 0);
+        Log.d("Triangle", "VB "+ vertexBuffer.get(1));
+        GLES20.glDrawArrays(GLES20.GL_TRIANGLES, 0, vertexCount);
+        GLES20.glDisableVertexAttribArray(mPositionHandle);
+    }
+}

app/src/main/res/layout/activity_test.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<android.support.constraint.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="com.codigoparallevar.minicards.TestActivity">
+
+    <TextView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="Hello World!"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintLeft_toLeftOf="parent"
+        app:layout_constraintRight_toRightOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+</android.support.constraint.ConstraintLayout>

app/src/main/res/values/colors.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="colorPrimary">#3F51B5</color>
+    <color name="colorPrimaryDark">#303F9F</color>
+    <color name="colorAccent">#FF4081</color>
+</resources>

app/src/main/res/values/strings.xml

@@ -0,0 +1,3 @@
+<resources>
+    <string name="app_name">mini-cards</string>
+</resources>

app/src/main/res/values/styles.xml

@@ -0,0 +1,11 @@
+<resources>
+
+    <!-- Base application theme. -->
+    <style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
+        <!-- Customize your theme here. -->
+        <item name="colorPrimary">@color/colorPrimary</item>
+        <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
+        <item name="colorAccent">@color/colorAccent</item>
+    </style>
+
+</resources>

app/src/test/java/com/codigoparallevar/minicards/ExampleUnitTest.java

@@ -0,0 +1,17 @@
+package com.codigoparallevar.minicards;
+
+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() throws Exception {
+        assertEquals(4, 2 + 2);
+    }
+}

build.gradle

@@ -0,0 +1,27 @@
+// Top-level build file where you can add configuration options common to all sub-projects/modules.
+
+buildscript {
+    
+    repositories {
+        google()
+        jcenter()
+    }
+    dependencies {
+        classpath 'com.android.tools.build:gradle:3.0.0-alpha4'
+        
+
+        // 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
+}

gradle.properties

@@ -0,0 +1,17 @@
+# 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

gradlew

@@ -0,0 +1,160 @@
+#!/usr/bin/env bash
+
+##############################################################################
+##
+##  Gradle start up script for UN*X
+##
+##############################################################################
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn ( ) {
+    echo "$*"
+}
+
+die ( ) {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+esac
+
+# 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 "$SAVED" >/dev/null
+
+CLASSPATH=$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" ] ; 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
+
+# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
+function splitJvmOpts() {
+    JVM_OPTS=("$@")
+}
+eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
+JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+
+exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"

gradlew.bat

@@ -0,0 +1,90 @@
+@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
+
+@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=
+
+set DIRNAME=%~dp0
+if "%DIRNAME%" == "" set DIRNAME=.
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@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 Windowz variants
+
+if not "%OS%" == "Windows_NT" goto win9xME_args
+if "%@eval[2+2]" == "4" goto 4NT_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=%*
+goto execute
+
+:4NT_args
+@rem Get arguments from the 4NT Shell from JP Software
+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

settings.gradle

@@ -0,0 +1 @@
+include ':app'