added viewer

.gitignore

@@ -0,0 +1 @@
+.DS_Store

viewer/.gitignore

@@ -0,0 +1,82 @@
+# Built application files
+*.apk
+*.ap_
+*.aab
+
+# Files for the ART/Dalvik VM
+*.dex
+
+# Java class files
+*.class
+
+# Generated files
+bin/
+gen/
+out/
+release/
+
+# Gradle files
+.gradle/
+build/
+
+# Local configuration file (sdk path, etc)
+local.properties
+
+# Proguard folder generated by Eclipse
+proguard/
+
+# Log Files
+*.log
+
+# Android Studio Navigation editor temp files
+.navigation/
+
+# Android Studio captures folder
+captures/
+
+# IntelliJ
+*.iml
+.idea/workspace.xml
+.idea/tasks.xml
+.idea/gradle.xml
+.idea/assetWizardSettings.xml
+.idea/dictionaries
+.idea/libraries
+# Android Studio 3 in .gitignore file.
+.idea/caches
+.idea/modules.xml
+# Comment next line if keeping position of elements in Navigation Editor is relevant for you
+.idea/navEditor.xml
+
+# Keystore files
+# Uncomment the following lines if you do not want to check your keystore files in.
+#*.jks
+#*.keystore
+
+# External native build folder generated in Android Studio 2.2 and later
+.externalNativeBuild
+
+# Google Services (e.g. APIs or Firebase)
+# google-services.json
+
+# Freeline
+freeline.py
+freeline/
+freeline_project_description.json
+
+# fastlane
+fastlane/report.xml
+fastlane/Preview.html
+fastlane/screenshots
+fastlane/test_output
+fastlane/readme.md
+
+# Version control
+vcs.xml
+
+# lint
+lint/intermediates/
+lint/generated/
+lint/outputs/
+lint/tmp/
+# lint/reports/

viewer/.idea/encodings.xml

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="Encoding" addBOMForNewFiles="with NO BOM" />
+</project>

viewer/.idea/misc.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" project-jdk-name="1.8" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/build/classes" />
+  </component>
+  <component name="ProjectType">
+    <option name="id" value="Android" />
+  </component>
+</project>

viewer/.idea/runConfigurations.xml

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="RunConfigurationProducerService">
+    <option name="ignoredProducers">
+      <set>
+        <option value="org.jetbrains.plugins.gradle.execution.test.runner.AllInPackageGradleConfigurationProducer" />
+        <option value="org.jetbrains.plugins.gradle.execution.test.runner.TestClassGradleConfigurationProducer" />
+        <option value="org.jetbrains.plugins.gradle.execution.test.runner.TestMethodGradleConfigurationProducer" />
+      </set>
+    </option>
+  </component>
+</project>

viewer/app/.gitignore

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

viewer/app/build.gradle

@@ -0,0 +1,41 @@
+apply plugin: 'com.android.application'
+
+android {
+    compileSdkVersion 28
+    buildToolsVersion "28.0.3"
+    defaultConfig {
+        applicationId "io.interactionlab.capimgdemo"
+        minSdkVersion 21
+        targetSdkVersion 28
+        versionCode 1
+        versionName "1.0"
+        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+    }
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+        }
+    }
+    sourceSets {
+        main {
+            jniLibs.srcDirs = ['../../Dependencies/jniLibs']
+        }
+    }
+}
+
+dependencies {
+    implementation fileTree(include: ['*.jar'], dir: 'libs')
+    androidTestImplementation('com.android.support.test.espresso:espresso-core:2.2.2', {
+        exclude group: 'com.android.support', module: 'support-annotations'
+    })
+    implementation 'com.android.support:appcompat-v7:28.0.0'
+    implementation 'com.android.support:support-v4:28.0.0'
+    testImplementation 'junit:junit:4.12'
+    implementation 'org.tensorflow:tensorflow-android:1.5.0'
+    implementation files('libs/libftsp.jar')
+    //implementation project(':openCVLibrary310')
+    // https://mvnrepository.com/artifact/org.opencv/openCVLibrary
+    implementation group: 'org.opencv', name: 'openCVLibrary', version: '3.4.0'
+
+}

viewer/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 C:\AndroidSDK/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

viewer/app/src/androidTest/java/io/interactionlab/capimgdemo/ExampleInstrumentedTest.java

@@ -0,0 +1,26 @@
+package io.interactionlab.capimgdemo;
+
+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.*;
+
+/**
+ * Instrumentation 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("io.interactionlab.capimgdemo", appContext.getPackageName());
+    }
+}

viewer/app/src/main/.gitignore

@@ -0,0 +1 @@
+/jniLibs

viewer/app/src/main/AndroidManifest.xml

@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="io.interactionlab.capimgdemo">
+
+    <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"
+        android:fullBackupContent="@xml/backup_descriptor">
+        <activity
+            android:name=".FullscreenActivity"
+            android:configChanges="orientation|keyboardHidden|screenSize"
+            android:label="@string/app_name"
+            android:theme="@style/FullscreenTheme">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>

viewer/app/src/main/java/io/interactionlab/capimgdemo/BlobClassifier.java

@@ -0,0 +1,221 @@
+package io.interactionlab.capimgdemo;
+
+import android.content.Context;
+
+import org.hcilab.libftsp.capacitivematrix.blobdetection.BlobBoundingBox;
+import org.hcilab.libftsp.capacitivematrix.capmatrix.CapacitiveImageTS;
+import org.opencv.core.Core;
+import org.opencv.core.Mat;
+import org.opencv.core.MatOfPoint;
+import org.opencv.core.CvType;
+import org.opencv.core.Point;
+import org.opencv.imgproc.Imgproc;
+import org.tensorflow.contrib.android.TensorFlowInferenceInterface;
+
+import io.interactionlab.capimgdemo.demo.ModelDescription;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import static org.opencv.imgproc.Imgproc.THRESH_BINARY;
+import static org.opencv.imgproc.Imgproc.contourArea;
+import static org.opencv.imgproc.Imgproc.threshold;
+
+/**
+ * Created by Huy on 05/09/2017.
+ */
+
+class BlobClassifier {
+    private static TensorFlowInferenceInterface inferenceInterface;
+    private final Context context;
+    private ModelDescription modelDescription;
+
+    BlobClassifier(Context context) {
+        // Loading model from assets folder.
+        this.context = context;
+    }
+
+    public void setModel(ModelDescription modelDescription) {
+        this.modelDescription = modelDescription;
+        inferenceInterface = new TensorFlowInferenceInterface(context.getAssets(), modelDescription.modelPath);
+    }
+
+    public ClassificationResult classify(float[] pixels) {
+        // Node Names
+        String inputName = modelDescription.inputNode;
+        String outputName = modelDescription.outputNode;
+
+        // Define output nodes
+        String[] outputNodes = new String[]{outputName};
+        float[] outputs = new float[modelDescription.labels.length];
+
+        // Feed image into the model and fetch the results.
+        inferenceInterface.feed(inputName, pixels, modelDescription.inputDimensions);
+        inferenceInterface.run(outputNodes, true);
+        inferenceInterface.fetch(outputName, outputs);
+
+        ClassificationResult cr = new ClassificationResult();
+
+        // Convert one-hot encoded result to an int (= detected class)
+        float maxConf = Float.MIN_VALUE;
+        int idx = -1;
+        for (int i = 0; i < outputs.length; i++) {
+            if (outputs[i] > maxConf) {
+                maxConf = outputs[i];
+                idx = i;
+            }
+        }
+
+        float norm = 0.0f;
+        for (float output : outputs) {
+            norm += output;
+        }
+        maxConf = maxConf / norm;
+
+        cr.index = idx;
+        cr.label = modelDescription.labels[idx];
+        cr.confidence = maxConf;
+        cr.color = modelDescription.labelColor[idx];
+
+        return cr;
+    }
+
+    public float[] imagesToPixels(List<int[][]> images) {
+        int w = images.get(0)[0].length;
+        int h = images.get(0).length;
+        float[] pixels = new float[images.size() * w * h];
+        for (int i = 0; i < pixels.length; i++) {
+            pixels[i] = images.get(i/(w*h))[(i/w)%h][i%w];
+        }
+        return pixels;
+    }
+
+    public float[] getBlobContentIn27x15(int[][] matrix, BlobBoundingBox bbb) {
+        // first extract the blob
+        int y1 = Math.max(bbb.y1 - 1, 0);
+        int y2 = Math.min(bbb.y2 + 1, 29);
+        int x1 = Math.max(bbb.x1 - 1, 0);
+        int x2 = Math.min(bbb.x2 + 1, 17);
+
+        int[][] blob = new int[y2-y1][x2-x1];
+        for (int y = 0; y < blob.length; y++) {
+            for (int x = 0; x < blob[0].length; x++) {
+                blob[y][x] = matrix[y1+y][x1+x];
+            }
+        }
+
+        // put it into new 27x15 image
+        float[][] image = new float[27][15];
+        for(int y = 0; y < blob.length; y++) {
+            for(int x = 0; x < blob[0].length; x++) {
+                image[y][x] = blob[y][x];
+            }
+        }
+
+        float[] result = new float[27*15];
+        for(int y = 0; y < 27; y++) {
+            for(int x = 0; x < 15; x++) {
+                result[x+15*y] = image[y][x];
+            }
+        }
+        return result;
+    }
+
+    public int[][] preprocess(CapacitiveImageTS capImg) {
+        int[][] matrix = capImg.getMatrix();
+        Mat image = int27x15ToPaddedMat(matrix);
+        return matToInt2D(image);
+    }
+
+    public List<BlobBoundingBox> getBlobBoundaries(int[][] matrix) {
+        Mat image = int29x17ToMat(matrix);
+        Mat inv_image = new Mat();
+        Core.bitwise_not(image, inv_image);
+        threshold(inv_image, image, 205, 255, THRESH_BINARY);
+
+        ArrayList<BlobBoundingBox> blobs = new ArrayList<>();
+        List<MatOfPoint> contours = new ArrayList<>();
+        Imgproc.findContours(image, contours, new Mat(), Imgproc.RETR_LIST, Imgproc.CHAIN_APPROX_SIMPLE);
+
+        if (contours.size() == 0) {
+            return blobs;
+        }
+
+        // get max contour
+        MatOfPoint max_contour = new MatOfPoint(new Point(5, 5));
+        for (int i = 0; i < contours.size(); i++) {
+            if (contourArea(contours.get(i)) > 5 && contourArea(contours.get(i)) < 255) {
+                if (contourArea(contours.get(i)) > contourArea(max_contour)) {
+                    max_contour = contours.get(i);
+                }
+            }
+        }
+
+        if (contourArea(max_contour)==contourArea(new MatOfPoint(new Point(5, 5)))) {
+            return blobs;
+        }
+
+        // get xmin, xmax, ymin, ymax
+        int x_min = 2147483647;
+        int x_max = -2147483648;
+        int y_min = 2147483647;
+        int y_max = -2147483648;
+        for (Point p : max_contour.toList()) {
+            if (p.x < x_min) {
+                x_min = (int) p.x;
+            }
+
+            if (p.y < y_min) {
+                y_min = (int) p.y;
+            }
+
+            if (p.x > x_max) {
+                x_max = (int) p.x;
+            }
+
+            if (p.y > y_max) {
+                y_max = (int) p.y;
+            }
+        }
+        BlobBoundingBox bbb = new BlobBoundingBox(x_min, y_min, x_max, y_max);
+        blobs.add(bbb);
+        return blobs;
+    }
+
+    private Mat int27x15ToPaddedMat(int[][] matrix) {
+        Mat image = new Mat(29, 17, CvType.CV_8UC1);
+        for (int x = 0; x < 29; x++) {
+            for (int y = 0; y < 17; y++) {
+                image.put(x, y, 1);
+            }
+        }
+        // fill in matrix
+        for (int x = 0; x < 27; x++) {
+            for (int y = 0; y < 15; y++) {
+                image.put(1+x, 1+y, (double) matrix[x][y]);
+            }
+        }
+        return image;
+    }
+
+    private Mat int29x17ToMat(int[][] matrix) {
+        Mat image = new Mat(29, 17, CvType.CV_8UC1);
+        // fill in matrix
+        for (int x = 0; x < 29; x++) {
+            for (int y = 0; y < 17; y++) {
+                image.put(x, y, (double) matrix[x][y]);
+            }
+        }
+        return image;
+    }
+
+    private int[][] matToInt2D(Mat mat) {
+        int[][] matrix = new int[mat.rows()][mat.cols()];
+        for (int x = 0; x < mat.rows(); x++) {
+            for (int y = 0; y < mat.cols(); y++) {
+                matrix[x][y] = (int) mat.get(x, y)[0];
+            }
+        }
+        return matrix;
+    }
+}

viewer/app/src/main/java/io/interactionlab/capimgdemo/ClassificationResult.java

@@ -0,0 +1,12 @@
+package io.interactionlab.capimgdemo;
+
+/**
+ * Created by Huy on 29/06/2018.
+ */
+
+public class ClassificationResult {
+    int index;
+    String label;
+    double confidence;
+    int color;
+}

viewer/app/src/main/java/io/interactionlab/capimgdemo/DrawView.java

@@ -0,0 +1,111 @@
+package io.interactionlab.capimgdemo;
+
+import android.content.Context;
+import android.graphics.Canvas;
+import android.graphics.Color;
+import android.graphics.Paint;
+import android.graphics.Rect;
+import android.view.View;
+
+import org.hcilab.libftsp.capacitivematrix.blobdetection.BlobBoundingBox;
+import org.hcilab.libftsp.capacitivematrix.capmatrix.CapacitiveImageTS;
+
+import java.util.List;
+
+/**
+ * Created by Huy on 12/12/2017.
+ */
+
+public class DrawView extends View {
+    private final Paint paint = new Paint();
+
+    private CapacitiveImageTS capacitiveImage;
+    private List<BlobBoundingBox> bbbl;
+    private List<String> labels;
+    private List<Integer> colors;
+
+    public DrawView(Context context) {
+        super(context);
+    }
+
+
+    public void updateView(CapacitiveImageTS capacitiveImage) {
+        this.capacitiveImage = capacitiveImage;
+        invalidate();
+    }
+
+    public void updateView(CapacitiveImageTS capacitiveImage, List<BlobBoundingBox> bbbl, List<String> labels, List<Integer> colors) {
+        this.capacitiveImage = capacitiveImage;
+        this.bbbl = bbbl;
+        this.labels = labels;
+        this.colors = colors;
+        invalidate();
+    }
+
+    private void onDrawCNN(Canvas canvas, int boxWidth, int boxHeight) {
+        if (bbbl != null) {
+            // Draw Labels
+            for (int i = 0; i < bbbl.size(); i++) {
+                BlobBoundingBox bbb = bbbl.get(i);
+                paint.setColor(this.colors.get(i));
+                paint.setStyle(Paint.Style.STROKE);
+                Rect r = new Rect(bbb.x1 * boxWidth, bbb.y1 * boxHeight, bbb.x2 * boxWidth, bbb.y2 * boxHeight);
+                canvas.drawRect(r, paint);
+
+                paint.setTextSize(45);
+                canvas.drawText(labels.get(i), bbb.x1 * boxWidth - (int) (1.0 * boxWidth), bbb.y1 * boxHeight - (int) (1.0 * boxHeight), paint);
+            }
+        }
+    }
+
+    private void onDrawLSTMCNN(Canvas canvas, int boxWidth, int boxHeight) {
+        if (!labels.isEmpty()) {
+            paint.setColor(Color.GREEN);
+            paint.setStyle(Paint.Style.STROKE);
+            Rect r = new Rect(boxWidth, 5 * boxHeight, 14 * boxWidth, 10 * boxHeight);
+            canvas.drawRect(r, paint);
+
+            paint.setTextSize(45);
+            canvas.drawText(labels.get(0), 2 * boxWidth, 7 * boxHeight, paint);
+        }
+    }
+
+
+    @Override
+    public void onDraw(Canvas canvas) {
+        int boxWidth = 1080 / 15;
+        int boxHeight = 1920 / 27;
+
+        if (capacitiveImage == null) {
+            return;
+        }
+
+        paint.setStyle(Paint.Style.FILL);
+        int[][] matrix = capacitiveImage.getMatrix();
+
+        // Draw capacitive matrix
+        for (int i = 0; i < matrix.length; i++) {
+            for (int j = 0; j < matrix[i].length; j++) {
+                int val = matrix[i][j];
+
+                if (val < 0)
+                    val = 0;
+
+                if (val > 255)
+                    val = 255;
+
+                // Draw rectangle
+                paint.setColor(new Color().rgb(val, val, val));
+                paint.setStyle(Paint.Style.FILL);
+                Rect r = new Rect(j * boxWidth, (i) * boxHeight, (j + 1) * boxWidth, (i + 1) * boxHeight);
+                canvas.drawRect(r, paint);
+
+                // Write number
+                paint.setTextSize(15);
+                paint.setColor(new Color().rgb(255 - val, 255 - val, 255 - val));
+                canvas.drawText(val + "", j * boxWidth + (int) (0.5 * boxWidth), i * boxHeight + (int) (0.5 * boxHeight), paint);
+            }
+        }
+        //onDrawLSTMCNN(canvas, boxWidth, boxHeight);
+    }
+}

viewer/app/src/main/java/io/interactionlab/capimgdemo/FullscreenActivity.java

@@ -0,0 +1,289 @@
+package io.interactionlab.capimgdemo;
+
+import android.annotation.SuppressLint;
+import android.content.DialogInterface;
+import android.graphics.Color;
+import android.os.Bundle;
+import android.os.Handler;
+import android.support.v7.app.ActionBar;
+import android.support.v7.app.AlertDialog;
+import android.support.v7.app.AppCompatActivity;
+import android.text.Html;
+import android.util.Log;
+import android.view.View;
+import android.widget.RelativeLayout;
+import android.widget.TextView;
+
+import org.hcilab.libftsp.LocalDeviceHandler;
+import org.hcilab.libftsp.capacitivematrix.blobdetection.BlobBoundingBox;
+import org.hcilab.libftsp.capacitivematrix.capmatrix.CapacitiveImageTS;
+import org.hcilab.libftsp.listeners.LocalCapImgListener;
+import org.opencv.android.OpenCVLoader;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Objects;
+
+import io.interactionlab.capimgdemo.demo.DemoSettings;
+import io.interactionlab.capimgdemo.demo.ModelDescription;
+
+/**
+ * An example full-screen activity that shows and hides the system UI (i.e.
+ * status bar and navigation/system bar) with user interaction.
+ */
+public class FullscreenActivity extends AppCompatActivity {
+
+
+    private static final String TAG = FullscreenActivity.class.getSimpleName();
+
+    static {
+        if (!OpenCVLoader.initDebug())
+            Log.d("ERROR", "Unable to load OpenCV");
+        else
+            Log.d("SUCCESS", "OpenCV loaded");
+    }
+    /**
+     * Some older devices needs a small delay between UI widget updates
+     * and a change of the status and navigation bar.
+     */
+    private static final int UI_ANIMATION_DELAY = 300;
+
+    private final Handler mHideHandler = new Handler();
+
+    private final Runnable mHidePart2Runnable = new Runnable() {
+        @SuppressLint("InlinedApi")
+        @Override
+        public void run() {
+            movableWindow.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LOW_PROFILE
+                    | View.SYSTEM_UI_FLAG_FULLSCREEN
+                    | View.SYSTEM_UI_FLAG_LAYOUT_STABLE
+                    | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY
+                    | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION
+                    | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION);
+        }
+    };
+    private View mControlsView;
+    private final Runnable mShowPart2Runnable = new Runnable() {
+        @Override
+        public void run() {
+            // Delayed display of UI elements
+            ActionBar actionBar = getSupportActionBar();
+            if (actionBar != null) {
+                actionBar.show();
+            }
+            mControlsView.setVisibility(View.VISIBLE);
+        }
+    };
+    private final Runnable mHideRunnable = new Runnable() {
+        @Override
+        public void run() {
+            hide();
+        }
+    };
+
+    private RelativeLayout movableWindow;
+    private DrawView drawView;
+    private TextView textViewMode;
+
+    private BlobClassifier blobClassifier;
+
+    private final static int WINDOW_SIZE = 50;
+    private int classification_display_length = 0;
+    private double cnn_classifications = 0;
+    private double cnn_classifications_total = 0;
+
+    private void setModel(ModelDescription modelDescription) {
+        ModelDescription currentModel = modelDescription;
+        blobClassifier.setModel(currentModel);
+        textViewMode.setText(Html.fromHtml("<html>Model: <b>" + modelDescription.modelName + "</b></html>"));
+    }
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_fullscreen);
+
+        movableWindow = findViewById(R.id.movableScreen);
+        blobClassifier = new BlobClassifier(this);
+
+        final List<int[][]> images = new ArrayList<>();
+
+        LocalDeviceHandler localDeviceHandler = new LocalDeviceHandler();
+        localDeviceHandler.setLocalCapImgListener(new LocalCapImgListener() {
+            @Override
+            public void onLocalCapImg(final CapacitiveImageTS capImg) { // called approximately every 50ms
+
+                if (classification_display_length == 0) {
+                    int[][] large = blobClassifier.preprocess(capImg);
+                    final List<BlobBoundingBox> blobBoundingBoxes = blobClassifier.getBlobBoundaries(large);
+                    final List<String> labelNames = new ArrayList<>();
+                    final List<Integer> colors = new ArrayList<>();
+                    List<float[]> flattenedBlobs = new ArrayList<>();
+
+                    // if first blob already detected, add each image up to WINDOW_SIZE
+                    if (!images.isEmpty()) {
+                        images.add(capImg.getMatrix());
+                    }
+
+                    for (BlobBoundingBox bbb : blobBoundingBoxes) {
+                        if (images.isEmpty()) {
+                            images.add(capImg.getMatrix());
+                        }         // first detected blob
+                        flattenedBlobs.add(blobClassifier.getBlobContentIn27x15(large, bbb));
+                    }
+
+                    for (int i = 0; i < flattenedBlobs.size(); i++) {      // always classify
+                        ClassificationResult cr = blobClassifier.classify(flattenedBlobs.get(i));
+                        if (Objects.equals(cr.label, "Finger")) {
+                            cnn_classifications += 1.0;
+                        }
+                        cnn_classifications_total += 1.0;
+                    }
+
+                    if (images.size() == WINDOW_SIZE) {                   // classify after WINDOW_SIZE images
+                        blobClassifier.setModel(DemoSettings.models[1]);  // set the model to LSTM
+                        final ClassificationResult cr = blobClassifier.classify(blobClassifier.imagesToPixels(images));
+                        labelNames.add(cr.label + " (" + ((int) Math.round(cr.confidence * 100)) + "%)");
+                        final String cnnLabel;
+                        //Log.i("Test","CNN Classifications: "+String.valueOf(cnn_classifications));
+                        if (cnn_classifications / cnn_classifications_total >= 0.5) {
+                            cnnLabel = "Finger";
+                        } else {
+                            cnnLabel = "Knuckle";
+                        }
+                        runOnUiThread(new Runnable() {
+                            @Override
+                            public void run() {
+                                textViewMode.setText(Html.fromHtml("<html>"+cnnLabel+": <b>" + cr.label + "</b></html>"));
+                            }
+                        });
+                        cnn_classifications = 0.0;
+                        cnn_classifications_total = 0.0;
+                        colors.add(cr.color);
+                        images.clear();
+                        blobClassifier.setModel(DemoSettings.models[0]);
+                    }
+
+                    runOnUiThread(new Runnable() {
+                        @Override
+                        public void run() {
+                            drawView.updateView(capImg, blobBoundingBoxes, labelNames, colors);
+                        }
+                    });
+
+
+                    if (!labelNames.isEmpty()) {
+                        classification_display_length = 20;
+                    }
+                } else {
+                    if (classification_display_length==1) {
+                        runOnUiThread(new Runnable() {
+                            @Override
+                            public void run() {
+                                textViewMode.setText("");
+                            }
+                        });
+                    }
+                    classification_display_length--;
+                }
+            }
+        });
+        localDeviceHandler.startHandler();
+
+        // fill the whole screen.
+        RelativeLayout.LayoutParams params = new RelativeLayout.LayoutParams(RelativeLayout.LayoutParams.WRAP_CONTENT, RelativeLayout.LayoutParams.WRAP_CONTENT);
+        params.addRule(RelativeLayout.ALIGN_PARENT_LEFT, RelativeLayout.TRUE);
+        params.addRule(RelativeLayout.ALIGN_PARENT_TOP, RelativeLayout.TRUE);
+        params.addRule(RelativeLayout.ALIGN_PARENT_RIGHT, RelativeLayout.TRUE);
+        params.addRule(RelativeLayout.ALIGN_PARENT_BOTTOM, RelativeLayout.TRUE);
+
+        drawView = new DrawView(this);
+        movableWindow.removeAllViews();
+        movableWindow.addView(drawView, params);
+
+        textViewMode = new TextView(this);
+        textViewMode.setText(Html.fromHtml("x"));
+        textViewMode.setTextColor(Color.WHITE);
+        textViewMode.setTextSize(35);
+        textViewMode.setBackgroundColor(Color.TRANSPARENT);
+        RelativeLayout.LayoutParams tvmLayout = new RelativeLayout.LayoutParams(RelativeLayout.LayoutParams.WRAP_CONTENT, RelativeLayout.LayoutParams.WRAP_CONTENT);
+        tvmLayout.addRule(RelativeLayout.CENTER_HORIZONTAL, RelativeLayout.TRUE);
+        movableWindow.addView(textViewMode, tvmLayout);
+
+        textViewMode.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                String[] modelNames = new String[DemoSettings.models.length];
+                for (int i = 0; i < DemoSettings.models.length; i++) {
+                    modelNames[i] = DemoSettings.models[i].modelName;
+                }
+
+                AlertDialog.Builder builder = new AlertDialog.Builder(FullscreenActivity.this);
+                builder.setTitle("Select a Model");
+                builder.setItems(modelNames, new DialogInterface.OnClickListener() {
+                    @Override
+                    public void onClick(DialogInterface dialog, int which) {
+                        setModel(DemoSettings.models[which]);
+                        delayedHide(100);
+                    }
+                });
+                builder.show();
+            }
+        });
+
+        setModel(DemoSettings.models[0]);
+    }
+
+
+    @Override
+    protected void onPostCreate(Bundle savedInstanceState) {
+        super.onPostCreate(savedInstanceState);
+
+        // Trigger the initial hide() shortly after the activity has been
+        // created, to briefly hint to the user that UI controls
+        // are available.
+        delayedHide(100);
+    }
+
+    @Override
+    protected void onResume() {
+        super.onResume();
+
+        // Trigger the initial hide() shortly after the activity has been
+        // created, to briefly hint to the user that UI controls
+        // are available.
+        delayedHide(100);
+    }
+
+    private void hide() {
+        // Hide UI first
+        ActionBar actionBar = getSupportActionBar();
+        if (actionBar != null) {
+            actionBar.hide();
+        }
+
+        // Schedule a runnable to remove the status and navigation bar after a delay
+        mHideHandler.removeCallbacks(mShowPart2Runnable);
+        mHideHandler.postDelayed(mHidePart2Runnable, UI_ANIMATION_DELAY);
+    }
+
+    @SuppressLint("InlinedApi")
+    private void show() {
+//        // Show the system bar
+        movableWindow.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
+                | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION);
+
+        // Schedule a runnable to display UI elements after a delay
+        mHideHandler.removeCallbacks(mHidePart2Runnable);
+        mHideHandler.postDelayed(mShowPart2Runnable, UI_ANIMATION_DELAY);
+    }
+
+    /**
+     * Schedules a call to hide() in [delay] milliseconds, canceling any
+     * previously scheduled calls.
+     */
+    private void delayedHide(int delayMillis) {
+        mHideHandler.removeCallbacks(mHideRunnable);
+        mHideHandler.postDelayed(mHideRunnable, delayMillis);
+    }
+}

viewer/app/src/main/java/io/interactionlab/capimgdemo/demo/DemoSettings.java

@@ -0,0 +1,46 @@
+package io.interactionlab.capimgdemo.demo;
+
+import android.graphics.Color;
+
+/**
+ * Created by Huy on 28/06/2018.
+ */
+
+public class DemoSettings {
+
+    private static int[] colorBand(int size) {
+        int[] band = new int[size];
+        for (int i = 0; i < size; i++) {
+            band[i] = Color.HSVToColor(new float[]{i*360.0f/(float)size, 1.0f, 1.0f});
+        }
+        return band;
+    }
+
+    public static final ModelDescription[] models = new ModelDescription[]{
+            new ModelDescription(
+                    "KnuckleFinger",
+                    "file:///android_asset/CNN.pb",
+                    "conv2d_1_input",
+                    "output_node0",
+                    new long[]{1, 27, 15, 1},
+                    new String[]{"Knuckle", "Finger"},
+                    new int[]{Color.GREEN, Color.YELLOW}
+            ),
+            new ModelDescription(
+                    "GestureRecognition",
+                    "file:///android_asset/LSTM.pb",
+                    "time_distributed_10_input",
+                    "output_node0",
+                    new long[]{50, 27, 15, 1},
+                    new String[]{"Tap", "Two Tap", "Swipe left",
+                            "Swipe right", "Swipe up", "Swipe down",
+                            "Swipe up with two", "Swipe down with two", "Circle",
+                            "Arrowhead left", "Arrowhead right", "Checkmark",
+                            "Γ", "L", "Mirrored L", "S",
+                            "Rotate"},
+                    colorBand(17)
+            )
+    };
+}
+
+

viewer/app/src/main/java/io/interactionlab/capimgdemo/demo/ModelDescription.java

@@ -0,0 +1,26 @@
+package io.interactionlab.capimgdemo.demo;
+
+/**
+ * Created by Huy on 28/06/2018.
+ */
+
+@SuppressWarnings("ALL")
+public class ModelDescription {
+    public final String modelPath;
+    public final String modelName;
+    public final String inputNode;
+    public final String outputNode;
+    public final long[] inputDimensions;
+    public final String[] labels;
+    public final int[] labelColor;
+
+    public ModelDescription(String modelName, String modelPath, String inputNode, String outputNode, long[] inputDimensions, String[] labels, int[] labelColor) {
+        this.modelName = modelName;
+        this.modelPath = modelPath;
+        this.inputNode = inputNode;
+        this.outputNode = outputNode;
+        this.inputDimensions = inputDimensions;
+        this.labels = labels;
+        this.labelColor = labelColor;
+    }
+}

viewer/app/src/main/res/layout/activity_fullscreen.xml

@@ -0,0 +1,19 @@
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/main_layout"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:background="#000000"
+    tools:context="io.interactionlab.capimgdemo.FullscreenActivity">
+
+    <RelativeLayout
+        android:id="@+id/movableScreen"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:layout_alignParentStart="true"
+        android:layout_alignParentTop="true"
+        android:background="#ffffff"
+        android:orientation="horizontal">
+
+    </RelativeLayout>
+</RelativeLayout>

viewer/app/src/main/res/values/attrs.xml

@@ -0,0 +1,12 @@
+<resources>
+
+    <!-- Declare custom theme attributes that allow changing which styles are
+         used for button bars depending on the API level.
+         ?android:attr/buttonBarStyle is new as of API 11 so this is
+         necessary to support previous API levels. -->
+    <declare-styleable name="ButtonBarContainerTheme">
+        <attr name="metaButtonBarStyle" format="reference" />
+        <attr name="metaButtonBarButtonStyle" format="reference" />
+    </declare-styleable>
+
+</resources>

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

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="colorPrimary">#3F51B5</color>
+    <color name="colorPrimaryDark">#303F9F</color>
+    <color name="colorAccent">#FF4081</color>
+
+    <color name="black_overlay">#66000000</color>
+</resources>

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

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

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

@@ -0,0 +1,23 @@
+<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>
+
+    <style name="FullscreenTheme" parent="AppTheme">
+        <item name="android:actionBarStyle">@style/FullscreenActionBarStyle</item>
+        <item name="android:windowActionBarOverlay">true</item>
+        <item name="android:windowBackground">@null</item>
+        <item name="metaButtonBarStyle">?android:attr/buttonBarStyle</item>
+        <item name="metaButtonBarButtonStyle">?android:attr/buttonBarButtonStyle</item>
+    </style>
+
+    <style name="FullscreenActionBarStyle" parent="Widget.AppCompat.ActionBar">
+        <item name="android:background">@color/black_overlay</item>
+    </style>
+
+</resources>

viewer/app/src/main/res/xml/backup_descriptor.xml

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<full-backup-content>
+    <!-- Exclude specific shared preferences that contain GCM registration Id -->
+</full-backup-content>

viewer/app/src/test/java/io/interactionlab/capimgdemo/ExampleUnitTest.java

@@ -0,0 +1,17 @@
+package io.interactionlab.capimgdemo;
+
+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);
+    }
+}

viewer/build.gradle

@@ -0,0 +1,31 @@
+// Top-level build file where you can add configuration options common to all sub-projects/modules.
+
+buildscript {
+    repositories {
+        jcenter()
+        maven {
+            url 'https://maven.google.com/'
+            name 'Google'
+        }
+    }
+    dependencies {
+        classpath 'com.android.tools.build:gradle:3.2.1'
+
+        // NOTE: Do not place your application dependencies here; they belong
+        // in the individual module build.gradle files
+    }
+}
+
+allprojects {
+    repositories {
+        jcenter()
+        maven {
+            url 'https://maven.google.com/'
+            name 'Google'
+        }
+    }
+}
+
+task clean(type: Delete) {
+    delete rootProject.buildDir
+}

viewer/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

viewer/gradle/wrapper/gradle-wrapper.properties

@@ -0,0 +1,6 @@
+#Thu Dec 20 15:44:55 CET 2018
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.6-all.zip

viewer/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 "$@"

viewer/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

viewer/settings.gradle

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