call native test method

Author: vkocheryzhkin

visionSamples/FaceTracker/app/CMakeLists.txt

@@ -0,0 +1,45 @@
+
+# Sets the minimum version of CMake required to build the native
+# library. You should either keep the default value or only pass a
+# value of 3.4.0 or lower.
+
+cmake_minimum_required(VERSION 3.4.1)
+
+set (CMAKE_CXX_STANDARD 11)
+
+
+add_library( # Sets the name of the library.
+             native-lib
+
+             # Sets the library as a shared library.
+             SHARED
+
+             # Provides a relative path to your source file(s).
+             # Associated headers in the same location as their source
+             # file are automatically included.
+             src/main/cpp/native-lib.cpp )
+
+
+# Searches for a specified prebuilt library and stores the path as a
+# variable. Because system libraries are included in the search path by
+# default, you only need to specify the name of the public NDK library
+# you want to add. CMake verifies that the library exists before
+# completing its build.
+
+find_library( # Sets the name of the path variable.
+              log-lib
+
+              # Specifies the name of the NDK library that
+              # you want CMake to locate.
+              log )
+
+# Specifies libraries CMake should link to your target library. You
+# can link multiple libraries, such as libraries you define in the
+# build script, prebuilt third-party libraries, or system libraries.
+
+target_link_libraries( # Specifies the target library.
+                       native-lib
+
+                       # Links the target library to the log library
+                       # included in the NDK.
+                       ${log-lib} )

visionSamples/FaceTracker/app/build.gradle

@@ -2,26 +2,43 @@ apply plugin: 'com.android.application'
 
 android {
     compileSdkVersion 24
-    buildToolsVersion "24.0.2"
+    buildToolsVersion '27.0.3'
 
     defaultConfig {
         applicationId "com.google.android.gms.samples.vision.face.facetracker"
         minSdkVersion 9
         targetSdkVersion 24
         versionCode 1
         versionName "1.0"
+        externalNativeBuild {
+            cmake {
+                cppFlags "-frtti -fexceptions"
+                abiFilters 'x86', 'x86_64', 'armeabi', 'armeabi-v7a'
+                //arguments "-DANDROID_STL=c++_shared"
+                // Passes optional arguments to CMake.
+                //arguments "-DANDROID_ARM_NEON=TRUE", "-DANDROID_TOOLCHAIN=clang"
+
+                // Sets a flag to enable format macro constants for the C compiler.
+                //cFlags "-D__STDC_FORMAT_MACROS"
+            }
+        }
     }
     buildTypes {
         release {
             minifyEnabled false
             proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
         }
     }
+    externalNativeBuild {
+        cmake {
+            path "CMakeLists.txt"
+        }
+    }
 }
 
 dependencies {
-    compile fileTree(dir: 'libs', include: ['*.jar'])
-    compile 'com.android.support:support-v4:24.2.0'
-    compile 'com.android.support:design:24.2.0'
-    compile 'com.google.android.gms:play-services-vision:9.4.0+'
+    implementation fileTree(dir: 'libs', include: ['*.jar'])
+    implementation 'com.android.support:support-v4:24.2.0'
+    implementation 'com.android.support:design:24.2.0'
+    implementation 'com.google.android.gms:play-services-vision:9.4.0+'
 }

visionSamples/FaceTracker/app/src/main/cpp/native-lib.cpp

@@ -0,0 +1,15 @@
+#include <jni.h>
+#include <string>
+#include <android/log.h>
+
+using namespace std;
+#define AppTag "Native"
+
+extern "C"
+JNIEXPORT void JNICALL
+Java_com_google_android_gms_samples_vision_face_facetracker_FaceGraphic_test(JNIEnv *env,
+                                                                              jobject instance) {
+
+    __android_log_print(ANDROID_LOG_DEBUG, AppTag, "Load resources started test1" );
+
+}

visionSamples/FaceTracker/app/src/main/java/com/google/android/gms/samples/vision/face/facetracker/FaceGraphic.java

@@ -18,6 +18,7 @@
 import android.graphics.Canvas;
 import android.graphics.Color;
 import android.graphics.Paint;
+import android.util.Log;
 
 import com.google.android.gms.samples.vision.face.facetracker.ui.camera.GraphicOverlay;
 import com.google.android.gms.vision.face.Face;
@@ -52,6 +53,9 @@ class FaceGraphic extends GraphicOverlay.Graphic {
     private int mFaceId;
     private float mFaceHappiness;
 
+    private static final String RTAG = "RTAG";
+    private Thread mT;
+
     FaceGraphic(GraphicOverlay overlay) {
         super(overlay);
 
@@ -75,6 +79,34 @@ void setId(int id) {
         mFaceId = id;
     }
 
+    public void startRecognition(Face item)
+    {
+        test();
+        mT = new Thread(new Runnable() {
+            @Override
+            public void run() {
+                Log.i(RTAG, "startRecognition: ");
+                try {
+                    Thread.sleep(5000);
+                    mFaceId = 777;
+                } catch (InterruptedException e) {
+                    e.printStackTrace();
+                }
+                //mFace
+            }
+        });
+        mT.start();
+    }
+
+    public void stopRecognition()
+    {
+        Log.i(RTAG, "stopRecognition: ");
+        if (mT.isAlive())
+        {
+            mT.stop();
+        }
+    }
+
 
     /**
      * Updates the face instance from the detection of the most recent frame.  Invalidates the
@@ -113,4 +145,6 @@ public void draw(Canvas canvas) {
         float bottom = y + yOffset;
         canvas.drawRect(left, top, right, bottom, mBoxPaint);
     }
+
+    public native void test();
 }

visionSamples/FaceTracker/app/src/main/java/com/google/android/gms/samples/vision/face/facetracker/FaceTrackerActivity.java

@@ -114,6 +114,10 @@ public void onClick(View view) {
                 .show();
     }
 
+    private void loadNative() {
+        System.loadLibrary("native-lib");
+    }
+
     /**
      * Creates and starts the camera.  Note that this uses a higher resolution in comparison
      * to other detection examples to enable the barcode detector to detect small barcodes
@@ -155,7 +159,7 @@ private void createCameraSource() {
     @Override
     protected void onResume() {
         super.onResume();
-
+        loadNative();
         startCameraSource();
     }
 
@@ -208,6 +212,7 @@ public void onRequestPermissionsResult(int requestCode, String[] permissions, in
             Log.d(TAG, "Camera permission granted - initialize the camera source");
             // we have permission, so create the camerasource
             createCameraSource();
+
             return;
         }
 
@@ -290,8 +295,10 @@ private class GraphicFaceTracker extends Tracker<Face> {
          * Start tracking the detected face instance within the face overlay.
          */
         @Override
-        public void onNewItem(int faceId, Face item) {
+        public void onNewItem(int faceId, Face item)
+        {
             mFaceGraphic.setId(faceId);
+            mFaceGraphic.startRecognition(item);
         }
 
         /**
@@ -310,6 +317,7 @@ public void onUpdate(FaceDetector.Detections<Face> detectionResults, Face face)
          */
         @Override
         public void onMissing(FaceDetector.Detections<Face> detectionResults) {
+            mFaceGraphic.stopRecognition();
             mOverlay.remove(mFaceGraphic);
         }
 

visionSamples/FaceTracker/build.gradle

@@ -3,9 +3,10 @@
 buildscript {
     repositories {
         jcenter()
+        google()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:2.1.3'
+        classpath 'com.android.tools.build:gradle:3.1.1'
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files

visionSamples/FaceTracker/gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
-#Wed Aug 31 13:39:19 CEST 2016
+#Sun Apr 15 17:57:31 MSK 2018
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-2.14.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip