added sample lindera app

mediapipe/examples/android/solutions/posetracking-camera/src/main/java/com/google/mediapipe/examples/posetracking_camera/MainActivity.java

@@ -123,9 +123,9 @@ public class MainActivity extends AppCompatActivity {
       glSurfaceView.post(this::startCamera);
 
     // Updates the preview layout.
-    FrameLayout frameLayout = findViewById(R.id.preview_display_layout);
+      FrameLayout frameLayout = findViewById(R.id.preview_display_layout);
-    frameLayout.removeAllViewsInLayout();
+      frameLayout.removeAllViewsInLayout();
-    frameLayout.addView(glSurfaceView);
+      frameLayout.addView(glSurfaceView);
     glSurfaceView.setVisibility(View.VISIBLE);
     frameLayout.requestLayout();
   }

mediapipe/examples/android/solutions/posetracking-lindera/build.gradle

@@ -0,0 +1,57 @@
+plugins {
+    id 'com.android.application'
+}
+
+android {
+    compileSdkVersion 30
+    buildToolsVersion "30.0.3"
+
+    defaultConfig {
+        applicationId "com.google.mediapipe.apps.posetracking_camera"
+        minSdkVersion 21
+        targetSdkVersion 30
+        versionCode 1
+        versionName "1.0"
+    }
+
+    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 {
+    // Copper Labs AAR Files
+    implementation fileTree(dir: 'libs', include: ['*.jar', '*.aar'])
+
+    // App Dependencies
+    implementation 'androidx.appcompat:appcompat:1.3.0'
+    implementation 'com.google.android.material:material:1.3.0'
+    implementation 'androidx.constraintlayout:constraintlayout:2.0.4'
+    implementation 'androidx.exifinterface:exifinterface:1.3.3'
+    testImplementation 'junit:junit:4.+'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.2'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.3.0'
+
+    // Mediapipe dependencies
+    implementation 'com.google.protobuf:protobuf-javalite:3.19.1'
+    implementation 'com.google.flogger:flogger:latest.release'
+    implementation 'com.google.flogger:flogger-system-backend:latest.release'
+    implementation 'com.google.code.findbugs:jsr305:latest.release'
+    implementation 'com.google.guava:guava:27.0.1-android'
+
+    // CameraX core library
+    def camerax_version = "1.0.0-beta10"
+    implementation "androidx.camera:camera-core:$camerax_version"
+    implementation "androidx.camera:camera-camera2:$camerax_version"
+    implementation "androidx.camera:camera-lifecycle:$camerax_version"
+    // We cannot use official solution as it is missing dependencies for pose tracking.
+//    implementation 'com.google.mediapipe:solution-core:latest.release'
+
+}

mediapipe/examples/android/solutions/posetracking-lindera/build_aar.sh

@@ -0,0 +1,32 @@
+POSE_TRACKING_OUTPUT_DIR=bazel-bin/mediapipe/java/com/google/mediapipe/solutions/posetracking
+GRADLE_LIBS_DIR=mediapipe/examples/android/solutions/posetracking-camera/libs
+#
+bazel build     -c opt --strip=ALWAYS\
+                --host_crosstool_top=@bazel_tools//tools/cpp:toolchain \
+                --fat_apk_cpu=arm64-v8a,armeabi-v7a \
+                --legacy_whole_archive=0 \
+                --features=-legacy_whole_archive \
+                --copt=-fvisibility=hidden \
+                --copt=-ffunction-sections \
+                --copt=-fdata-sections \
+                --copt=-fstack-protector \
+                --copt=-Oz \
+                --copt=-fomit-frame-pointer \
+                --copt=-DABSL_MIN_LOG_LEVEL=2 \
+                --linkopt=-Wl,--gc-sections,--strip-all \
+                //mediapipe/java/com/google/mediapipe/solutions/posetracking:copperlabs-pose-api.aar \
+                //mediapipe/java/com/google/mediapipe/solutions/posetracking:copperlabs-pose-landmark.aar \
+                //mediapipe/java/com/google/mediapipe/solutions/posetracking:copperlabs-pose-detection.aar \
+                //mediapipe/java/com/google/mediapipe/solutions/posetracking:copperlabs-pose-graph.aar \
+                //mediapipe/java/com/google/mediapipe/solutioncore:copperlabs-mediapipe
+
+
+mkdir $GRADLE_LIBS_DIR
+rm -f $GRADLE_LIBS_DIR/copperlabs-*.aar
+
+\cp $POSE_TRACKING_OUTPUT_DIR/copperlabs-pose-api.aar $GRADLE_LIBS_DIR
+\cp $POSE_TRACKING_OUTPUT_DIR/copperlabs-pose-detection.aar $GRADLE_LIBS_DIR
+\cp $POSE_TRACKING_OUTPUT_DIR/copperlabs-pose-graph.aar $GRADLE_LIBS_DIR
+\cp $POSE_TRACKING_OUTPUT_DIR/copperlabs-pose-landmark.aar $GRADLE_LIBS_DIR
+\cp bazel-bin/mediapipe/java/com/google/mediapipe/solutioncore/copperlabs-mediapipe.aar $GRADLE_LIBS_DIR
+

mediapipe/examples/android/solutions/posetracking-lindera/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

mediapipe/examples/android/solutions/posetracking-lindera/src/main/AndroidManifest.xml

@@ -0,0 +1,35 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.google.mediapipe.examples.posetracking_lindera">
+
+  <uses-sdk
+      android:minSdkVersion="21"
+      android:targetSdkVersion="30" />
+
+  <!-- For loading images from gallery -->
+  <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
+  <!-- For using the camera -->
+  <uses-permission android:name="android.permission.CAMERA" />
+  <uses-feature android:name="android.hardware.camera" />
+  <!-- For logging solution events -->
+  <uses-permission android:name="android.permission.INTERNET" />
+  <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
+
+  <application
+      android:allowBackup="true"
+      android:icon="@mipmap/ic_launcher"
+      android:label="CopperLabs PoseTracking"
+      android:roundIcon="@mipmap/ic_launcher_round"
+      android:supportsRtl="true"
+      android:theme="@style/AppTheme">
+    <activity android:name=".MainActivity"
+              android:screenOrientation="portrait">
+      <intent-filter>
+        <action android:name="android.intent.action.MAIN" />
+
+        <category android:name="android.intent.category.LAUNCHER" />
+      </intent-filter>
+    </activity>
+  </application>
+
+</manifest>

mediapipe/examples/android/solutions/posetracking-lindera/src/main/BUILD

@@ -0,0 +1,51 @@
+# Copyright 2021 The MediaPipe Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+licenses(["notice"])
+
+package(default_visibility = ["//visibility:private"])
+
+android_binary(
+    name = "posetracking-lindera",
+    srcs = glob(["**/*.java"]),
+    custom_package = "com.google.mediapipe.examples.posetracking_lindera",
+    manifest = "AndroidManifest.xml",
+    manifest_values = {
+        "applicationId": "com.google.mediapipe.examples.posetracking_lindera",
+    },
+    multidex = "native",
+    resource_files = ["//mediapipe/examples/android/solutions:resource_files"],
+    deps = [
+        "//mediapipe/framework/formats:detection_java_proto_lite",
+        "//mediapipe/framework/formats:landmark_java_proto_lite",
+        "//mediapipe/framework/formats:location_data_java_proto_lite",
+        "//mediapipe/java/com/google/mediapipe/solutioncore:camera_input",
+        "//mediapipe/java/com/google/mediapipe/solutioncore:mediapipe_jni_lib",
+        "//mediapipe/java/com/google/mediapipe/solutioncore:solution_rendering",
+        "//mediapipe/java/com/google/mediapipe/solutioncore:video_input",
+        #        "//mediapipe/java/com/google/mediapipe/solutions/posetracking:copperlabs-lindera",
+        "//mediapipe/java/com/google/mediapipe/solutions/posetracking:copperlabs-lindera-dummpy-interface",
+        "//mediapipe/java/com/google/mediapipe/solutions/posetracking:copperlabs-pose-api",
+        "//mediapipe/java/com/google/mediapipe/solutions/posetracking:copperlabs-pose-detection",
+        "//mediapipe/java/com/google/mediapipe/solutions/posetracking:copperlabs-pose-graph",
+        "//third_party:androidx_appcompat",
+        "//third_party:androidx_constraint_layout",
+        "//third_party:opencv",
+        "@maven//:androidx_activity_activity",
+        "@maven//:androidx_concurrent_concurrent_futures",
+        "@maven//:androidx_exifinterface_exifinterface",
+        "@maven//:androidx_fragment_fragment",
+        "@maven//:com_google_guava_guava",
+    ],
+)

mediapipe/examples/android/solutions/posetracking-lindera/src/main/java/com/google/mediapipe/examples/posetracking_lindera/ComputerVisionPluginImpl.java

@@ -0,0 +1,7 @@
+package com.google.mediapipe.examples.posetracking_lindera;
+
+import com.google.mediapipe.solutions.posetracking.ComputerVisionPlugin;
+
+public class ComputerVisionPluginImpl implements ComputerVisionPlugin {
+
+}

mediapipe/examples/android/solutions/posetracking-lindera/src/main/java/com/google/mediapipe/examples/posetracking_lindera/MainActivity.java

@@ -0,0 +1,105 @@
+// Copyright 2021 The MediaPipe Authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package com.google.mediapipe.examples.posetracking_lindera;
+
+import android.content.Intent;
+
+import android.os.Bundle;
+
+import androidx.appcompat.app.AppCompatActivity;
+
+import android.os.Handler;
+import android.os.Looper;
+import android.view.Surface;
+import android.view.View;
+import android.widget.Button;
+import android.widget.FrameLayout;
+
+import androidx.activity.result.ActivityResultLauncher;
+
+import com.google.mediapipe.solutions.posetracking.ComputerVisionPlugin;
+import com.google.mediapipe.solutions.posetracking.Lindera;
+import com.google.mediapipe.solutions.posetracking.PoseTrackingResultGlRenderer;
+
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+
+
+/** Main activity of MediaPipe Face Detection app. */
+public class MainActivity extends AppCompatActivity {
+  private static final String TAG = "MainActivity";
+
+  private Lindera lindera;
+  private ComputerVisionPlugin plugin;
+  // Live camera demo UI and camera components.
+
+
+  @Override
+  protected void onCreate(Bundle savedInstanceState) {
+    super.onCreate(savedInstanceState);
+    setContentView(R.layout.activity_main);
+
+
+
+    disableRedundantUI();
+
+    setupLiveDemoUiComponents();
+
+    plugin = new ComputerVisionPluginImpl();
+    lindera = new Lindera(plugin);
+     new PoseTrackingResultGlRenderer();
+  }
+
+
+  /** Sets up the UI components for the live demo with camera input. */
+  private void setupLiveDemoUiComponents() {
+
+    Button startCameraButton = findViewById(R.id.button_start_camera);
+      FrameLayout frameLayout = findViewById(R.id.preview_display_layout);
+
+      startCameraButton.setOnClickListener(
+            v -> {
+              startCameraButton.setVisibility(View.GONE);
+
+                lindera.initialize(frameLayout,MainActivity.this);
+
+              ExecutorService executor = Executors.newSingleThreadExecutor();
+              Handler handler = new Handler(Looper.getMainLooper());
+
+              executor.execute(new Runnable() {
+                @Override
+                public void run() {
+
+                  //Background work here
+
+                  handler.post(new Runnable() {
+                    @Override
+                    public void run() {
+                      //UI Thread work here
+                    }
+                  });
+                }
+              });
+            });
+  }
+  /**Disables unecesary UI buttons*/
+  private  void disableRedundantUI(){
+    findViewById(R.id.button_load_picture).setVisibility(View.GONE);
+    findViewById(R.id.button_load_video).setVisibility(View.GONE);
+
+  }
+
+
+}

mediapipe/examples/android/solutions/posetracking-lindera/src/main/res

@@ -0,0 +1 @@
+../../../res

mediapipe/java/com/google/mediapipe/solutions/posetracking/BUILD

@@ -12,6 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 load("//mediapipe/java/com/google/mediapipe/solutions/posetracking:copperlabs_aar.bzl", "copperlabs_aar")
+load("@io_bazel_rules_kotlin//kotlin:android.bzl", "kt_android_library")
 
 licenses(["notice"])
 
@@ -20,6 +21,8 @@ POSE_TRACKING_SRCS = [
     "PoseTracking.java",
     "PoseTrackingOptions.java",
     "PoseTrackingResult.java",
+    "Lindera.java",
+    "PoseTrackingResultGlRenderer.java",
 ]
 
 android_library(
@@ -29,14 +32,23 @@ android_library(
     manifest = ":AndroidManifest.xml",
     visibility = ["//visibility:public"],
     deps = [
+        ":copperlabs-lindera-dummpy-interface",
         "//mediapipe/framework/formats:detection_java_proto_lite",
         "//mediapipe/framework/formats:landmark_java_proto_lite",
+        "//mediapipe/framework/formats:location_data_java_proto_lite",
         "//mediapipe/java/com/google/mediapipe/framework:android_framework",
         "//mediapipe/java/com/google/mediapipe/solutioncore:camera_input",
         "//mediapipe/java/com/google/mediapipe/solutioncore:solution_base",
+        "//mediapipe/java/com/google/mediapipe/solutioncore:solution_rendering",
+        "//third_party:androidx_appcompat",
+        "//third_party:androidx_constraint_layout",
         "//third_party:autovalue",
         "@com_google_protobuf//:protobuf_javalite",
+        "@maven//:androidx_activity_activity",
         "@maven//:androidx_annotation_annotation",
+        "@maven//:androidx_concurrent_concurrent_futures",
+        "@maven//:androidx_exifinterface_exifinterface",
+        "@maven//:androidx_fragment_fragment",
         "@maven//:com_google_code_findbugs_jsr305",
         "@maven//:com_google_guava_guava",
     ],
@@ -80,6 +92,36 @@ android_library(
     deps = [],
 )
 
+#android_library(
+#    name = "copperlabs-lindera",
+#    srcs = ["Lindera.java"],
+#    manifest = "AndroidManifest.xml",
+#    visibility = ["//visibility:public"],
+#    deps = [
+#        "copperlabs-lindera-dummpy-interface",
+#        "copperlabs-pose-api",
+#        "//mediapipe/framework/formats:detection_java_proto_lite",
+#        "//mediapipe/framework/formats:landmark_java_proto_lite",
+#        "//mediapipe/java/com/google/mediapipe/framework:android_framework",
+#        "//mediapipe/java/com/google/mediapipe/solutioncore:camera_input",
+#        "//mediapipe/java/com/google/mediapipe/solutioncore:solution_base",
+#        "//mediapipe/java/com/google/mediapipe/solutioncore:solution_rendering",
+#        "//third_party:androidx_appcompat",
+#        "//third_party:autovalue",
+#        "@com_google_protobuf//:protobuf_javalite",
+#        "@maven//:androidx_annotation_annotation",
+#        "@maven//:com_google_code_findbugs_jsr305",
+#        "@maven//:com_google_guava_guava",
+#    ],
+#)
+
+android_library(
+    name = "copperlabs-lindera-dummpy-interface",
+    srcs = ["ComputerVisionPlugin.java"],
+    manifest = "AndroidManifest.xml",
+    visibility = ["//visibility:public"],
+    deps = [],
+)
 #mediapipe_aar(
 #    name = "copperlabs-mediapipe",
 #    calculators = ["//mediapipe/graphs/pose_tracking:pose_tracking_gpu_deps"],

mediapipe/java/com/google/mediapipe/solutions/posetracking/ComputerVisionPlugin.java

@@ -0,0 +1,4 @@
+package com.google.mediapipe.solutions.posetracking;
+
+public interface ComputerVisionPlugin {
+}

mediapipe/java/com/google/mediapipe/solutions/posetracking/Lindera.java

@@ -0,0 +1,82 @@
+package com.google.mediapipe.solutions.posetracking;
+
+import android.util.Log;
+import android.view.Surface;
+import android.view.View;
+import android.view.ViewGroup;
+
+import androidx.appcompat.app.AppCompatActivity;
+
+import com.google.mediapipe.solutioncore.CameraInput;
+import com.google.mediapipe.solutioncore.SolutionGlSurfaceView;
+
+public class Lindera {
+    private ComputerVisionPlugin plugin;
+    private static final int rotation = Surface.ROTATION_0;
+    private PoseTracking poseTracking;
+
+    // Live camera demo UI and camera components.
+    private CameraInput cameraInput;
+    private SolutionGlSurfaceView<PoseTrackingResult> glSurfaceView;
+
+    public Lindera(ComputerVisionPlugin plugin){
+        this.plugin = plugin;
+    }
+
+    public void initialize (ViewGroup computerVisionContainerView , AppCompatActivity appCompatActivity){
+        setupStreamingModePipeline(computerVisionContainerView,appCompatActivity);
+    }
+    /** Sets up core workflow for streaming mode. */
+    private void setupStreamingModePipeline(ViewGroup computerVisionContainerView,AppCompatActivity appCompatActivity) {
+        // Initializes a new MediaPipe Face Detection solution instance in the streaming mode.
+        poseTracking =
+                new PoseTracking(
+                        appCompatActivity,
+                        PoseTrackingOptions.builder()
+                                .setStaticImageMode(false)
+                                .setLandmarkVisibility(true)
+                                .setModelComplexity(0)
+                                .setSmoothLandmarks(true)
+                                .build());
+        poseTracking.setErrorListener(
+                (message, e) -> Log.e("Lindera", "MediaPipe Pose Tracking error:" + message));
+        cameraInput = new CameraInput(appCompatActivity);
+
+        cameraInput.setNewFrameListener(textureFrame -> poseTracking.send(textureFrame));
+
+
+        // Initializes a new Gl surface view with a user-defined PoseTrackingResultGlRenderer.
+        glSurfaceView =
+                new SolutionGlSurfaceView<>(
+                        appCompatActivity, poseTracking.getGlContext(), poseTracking.getGlMajorVersion());
+        glSurfaceView.setSolutionResultRenderer(new PoseTrackingResultGlRenderer());
+        glSurfaceView.setRenderInputImage(true);
+        poseTracking.setResultListener(
+                poseTrackingResult -> {
+//                    logExampleKeypoint(poseTrackingResult);
+                    glSurfaceView.setRenderData(poseTrackingResult);
+                    glSurfaceView.requestRender();
+                });
+
+        // The runnable to start camera after the gl surface view is attached.
+        // For video input source, videoInput.start() will be called when the video uri is available.
+        glSurfaceView.post(()->{this.startCamera(appCompatActivity);});
+        // Updates the preview layout.
+
+        computerVisionContainerView.removeAllViewsInLayout();
+        computerVisionContainerView.addView(glSurfaceView);
+        glSurfaceView.setVisibility(View.VISIBLE);
+        computerVisionContainerView.requestLayout();
+    }
+
+    private void startCamera(AppCompatActivity appCompatActivity) {
+        cameraInput.getConverter(poseTracking.getGlContext()).setRotation(rotation);
+        cameraInput.start(
+                appCompatActivity,
+                poseTracking.getGlContext(),
+                CameraInput.CameraFacing.FRONT,
+                glSurfaceView.getWidth(),
+                glSurfaceView.getHeight());
+    }
+
+}

mediapipe/java/com/google/mediapipe/solutions/posetracking/PoseTrackingResultGlRenderer.java

@@ -12,18 +12,19 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package com.google.mediapipe.examples.posetracking_camera;
+package com.google.mediapipe.solutions.posetracking;
 
 import android.opengl.GLES20;
 
 import com.google.mediapipe.formats.proto.DetectionProto.Detection;
 import com.google.mediapipe.solutioncore.ResultGlRenderer;
-import com.google.mediapipe.solutions.posetracking.PoseTrackingResult;
 
 import java.nio.ByteBuffer;
 import java.nio.ByteOrder;
 import java.nio.FloatBuffer;
 
+;
+
 /** A custom implementation of {@link ResultGlRenderer} to render {@link PoseTrackingResult}. */
 public class PoseTrackingResultGlRenderer implements ResultGlRenderer<PoseTrackingResult> {
   private static final String TAG = "PoseTrackingResultGlRenderer";