Initial importmain

31 files changed, 819 insertions, 0 deletions

diff --git a/tflite/src/main/AndroidManifest.xml b/tflite/src/main/AndroidManifest.xml
new file mode 100644
index 0000000..d38c505
--- /dev/null
+++ b/tflite/src/main/AndroidManifest.xml
@@ -0,0 +1,51 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright 2020 Google LLC
+  ~
+  ~ 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
+  ~
+  ~     https://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.
+  -->
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools">
+
+    <!-- Declare features -->
+    <uses-feature android:name="android.hardware.camera" />
+
+    <!-- Declare permissions -->
+    <uses-permission android:name="android.permission.CAMERA" />
+    <uses-permission android:name="android.permission.INTERNET" />
+
+    <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:screenOrientation="landscape"
+
+        tools:ignore="AllowBackup,GoogleAppIndexingWarning">
+
+        <activity
+            android:name="com.example.android.camerax.tflite.CameraActivity"
+            android:rotationAnimation="seamless"
+            android:screenOrientation="landscape"
+            tools:targetApi="O">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN"/>
+                <category android:name="android.intent.category.LAUNCHER"/>
+            </intent-filter>
+        </activity>
+
+    </application>
+
+</manifest>
diff --git a/tflite/src/main/ic_launcher-playstore.png b/tflite/src/main/ic_launcher-playstore.png
new file mode 100644
index 0000000..dd70d80
--- /dev/null
+++ b/tflite/src/main/ic_launcher-playstore.png
diff --git a/tflite/src/main/java/com/example/android/camerax/tflite/CameraActivity.kt b/tflite/src/main/java/com/example/android/camerax/tflite/CameraActivity.kt
new file mode 100644
index 0000000..cde9778
--- /dev/null
+++ b/tflite/src/main/java/com/example/android/camerax/tflite/CameraActivity.kt
@@ -0,0 +1,281 @@
+/*
+ * Copyright 2020 Google LLC
+ *
+ * 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
+ *
+ *     https://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.example.android.camerax.tflite
+
+import android.Manifest
+import android.annotation.SuppressLint
+import android.content.Context
+import android.content.pm.PackageManager
+import android.graphics.Bitmap
+import android.graphics.Color
+import android.graphics.Matrix
+import android.graphics.RectF
+import android.os.Bundle
+import android.util.Log
+import android.util.Size
+import android.view.View
+import android.view.ViewGroup
+import androidx.appcompat.app.AppCompatActivity
+import androidx.camera.core.AspectRatio
+import androidx.camera.core.CameraSelector
+import androidx.camera.core.ImageAnalysis
+import androidx.camera.core.Preview
+import androidx.camera.lifecycle.ProcessCameraProvider
+import androidx.core.app.ActivityCompat
+import androidx.core.content.ContextCompat
+import androidx.lifecycle.LifecycleOwner
+import com.android.example.camerax.tflite.databinding.ActivityCameraBinding
+import java.net.DatagramPacket
+import java.net.DatagramSocket
+import java.net.InetSocketAddress
+import java.util.concurrent.Executors
+import java.util.concurrent.TimeUnit
+import kotlin.random.Random
+
+
+/** Activity that displays the camera and performs object detection on the incoming frames */
+class CameraActivity : AppCompatActivity() {
+
+    private lateinit var activityCameraBinding: ActivityCameraBinding
+
+    private lateinit var bitmapBuffer: Bitmap
+
+    private val executor = Executors.newSingleThreadExecutor()
+    private val permissions = listOf(Manifest.permission.CAMERA)
+    private val permissionsRequestCode = Random.nextInt(0, 10000)
+
+    private var lensFacing: Int = CameraSelector.LENS_FACING_BACK
+    private val isFrontFacing get() = lensFacing == CameraSelector.LENS_FACING_FRONT
+
+    private var pauseAnalysis = false
+    private var imageRotationDegrees: Int = 0
+    private var socket: DatagramSocket = DatagramSocket()
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        activityCameraBinding = ActivityCameraBinding.inflate(layoutInflater)
+        setContentView(activityCameraBinding.root)
+    }
+
+    override fun onDestroy() {
+
+        // Terminate all outstanding analyzing jobs (if there is any).
+        executor.apply {
+            shutdown()
+            awaitTermination(1000, TimeUnit.MILLISECONDS)
+        }
+        super.onDestroy()
+    }
+
+    /** Declare and bind preview and analysis use cases */
+    @SuppressLint("UnsafeExperimentalUsageError")
+    private fun bindCameraUseCases() = activityCameraBinding.viewFinder.post {
+
+        val cameraProviderFuture = ProcessCameraProvider.getInstance(this)
+        cameraProviderFuture.addListener ({
+
+            // Camera provider is now guaranteed to be available
+            val cameraProvider = cameraProviderFuture.get()
+
+            // Set up the view finder use case to display camera preview
+            val preview = Preview.Builder()
+                .setTargetAspectRatio(AspectRatio.RATIO_4_3)
+                .setTargetRotation(activityCameraBinding.viewFinder.display.rotation)
+                .build()
+
+            // Set up the image analysis use case which will process frames in real time
+            val imageAnalysis = ImageAnalysis.Builder()
+                .setTargetResolution(Size(448, 236))
+                .setTargetRotation(activityCameraBinding.viewFinder.display.rotation)
+                .setBackpressureStrategy(ImageAnalysis.STRATEGY_KEEP_ONLY_LATEST)
+                .setOutputImageFormat(ImageAnalysis.OUTPUT_IMAGE_FORMAT_RGBA_8888)
+                .build()
+
+            var frameCounter = 0
+            var lastFpsTimestamp = System.currentTimeMillis()
+
+            imageAnalysis.setAnalyzer(executor, ImageAnalysis.Analyzer { image ->
+                if (!::bitmapBuffer.isInitialized) {
+                    // The image rotation and RGB image buffer are initialized only once
+                    // the analyzer has started running
+                    imageRotationDegrees = image.imageInfo.rotationDegrees
+                    bitmapBuffer = Bitmap.createBitmap(
+                        image.width, image.height, Bitmap.Config.ARGB_8888)
+                }
+
+                // Early exit: image analysis is in paused state
+                if (pauseAnalysis) {
+                    image.close()
+                    return@Analyzer
+                }
+
+                // Copy out RGB bits to our shared buffer
+                image.use { bitmapBuffer.copyPixelsFromBuffer(image.planes[0].buffer)  }
+
+//              val CAM_WIDTH = 858
+//              val CAM_HEIGHT = 480
+                val CAM_WIDTH = 480
+                val CAM_HEIGHT = 360
+
+                val DISPLAY_WIDTH = 448
+                val DISPLAY_HEIGHT = 160
+                val DISPLAY_VHEIGHT = 236
+
+                val scaledBitmap = Bitmap.createScaledBitmap(bitmapBuffer, DISPLAY_WIDTH, DISPLAY_VHEIGHT, true)
+
+                val scratch = IntArray((2 + DISPLAY_VHEIGHT) * DISPLAY_WIDTH)
+                val output = UByteArray(10 + DISPLAY_HEIGHT * DISPLAY_WIDTH / 8)
+                output[1] = 0x12u
+                output[4] = 0x23u
+                var offset = 10
+/*
+                for ( row in 0..DISPLAY_VHEIGHT - 1) {
+                    val zeile = (row * bitmapBuffer.height ) / DISPLAY_VHEIGHT
+                    for (column in 0..DISPLAY_WIDTH - 1) {
+                        val spalte = (column * bitmapBuffer.width ) / DISPLAY_WIDTH
+                        val pixel = bitmapBuffer.getPixel(spalte, zeile)
+                        scratch[row * DISPLAY_WIDTH + column] = Color.red(pixel) * 19535 + Color.green(pixel) * 38470 + Color.blue(pixel) * 7448
+                    }
+                }
+*/
+                scaledBitmap.getPixels(scratch, 0, DISPLAY_WIDTH, 0, 0, DISPLAY_WIDTH, DISPLAY_VHEIGHT)
+                for (off in 0..DISPLAY_VHEIGHT * DISPLAY_WIDTH)
+                    scratch[off] = Color.red(scratch[off]) * 19535 + Color.green(scratch[off]) * 38470 + Color.blue(scratch[off]) * 7448
+
+                var acc = 0
+                var accv = 0
+
+                for ( row in 0.. DISPLAY_VHEIGHT - 1)
+                    for ( column in 0..DISPLAY_WIDTH - 1) {
+                        val pixel = scratch[row * DISPLAY_WIDTH + column]
+                        val bwpixel = if (pixel < 0x810000) 0 else 0xFFFFFF
+
+                        if (row % 12 < 8) {
+                            acc = (acc shl 1) + (bwpixel shr 23)
+                            if (++accv == 8) {
+                                output[offset++] = acc.toUByte()
+                                acc = 0
+                                accv = 0
+                            }
+                        }
+
+                        val err = (pixel - bwpixel) / 42
+                        fun AddSatShift(xoff : Int, yoff: Int, shift : Int) {
+                            val pixelold = scratch[(row + yoff) * DISPLAY_WIDTH + column + xoff ]
+                            var r = pixelold + (err shl (16 - shift))
+                            if ( r < 0 ) r = 0
+                            if ( r > 0xFFFFFF) r = 0xFFFFFF
+                            scratch[(row + yoff) * DISPLAY_WIDTH + column + xoff ] = r
+                        }
+
+                        AddSatShift(0, 1, 13)
+                        AddSatShift(0, 2, 14)
+                        if (column > 0) {
+                            AddSatShift(-1, 1, 14)
+                            AddSatShift(-1, 2, 15)
+                        }
+
+                        if (column > 1) {
+                            AddSatShift(-2, 1, 15)
+                            AddSatShift(-2, 2, 16)
+                        }
+
+                        if (column < DISPLAY_WIDTH - 1) {
+                            AddSatShift( 1, 0, 13)
+                            AddSatShift( 1, 1, 14)
+                            AddSatShift( 1, 2, 15)
+                        }
+
+                        if (column < DISPLAY_WIDTH - 2) {
+                            AddSatShift( 2, 0, 14)
+                            AddSatShift( 2, 1, 15)
+                            AddSatShift( 2, 2, 16)
+                        }
+                    }
+                val address = InetSocketAddress("172.23.42.29", 2342 )
+//                val address = InetSocketAddress("192.168.178.69", 2342 )
+                try {
+                    socket.send(DatagramPacket(output.toByteArray(), offset, address))
+                } catch (e: Exception) {
+                    // Ignore network exceptions
+                }
+
+                // Compute the FPS of the entire pipeline
+                val frameCount = 10
+                if (++frameCounter % frameCount == 0) {
+                    frameCounter = 0
+                    val now = System.currentTimeMillis()
+                    val delta = now - lastFpsTimestamp
+                    val fps = 1000 * frameCount.toFloat() / delta
+//                    Log.d(TAG, "FPS: ${"%.02f".format(fps)} " + bitmapBuffer.width + " x " + bitmapBuffer.height)
+
+                    activityCameraBinding.viewFinder.post {
+                        activityCameraBinding.textPrediction.text = "FPS: ${"%.02f".format(fps)}"
+                    }
+
+                    lastFpsTimestamp = now
+                }
+            })
+
+            // Create a new camera selector each time, enforcing lens facing
+            val cameraSelector = CameraSelector.Builder().requireLensFacing(lensFacing).build()
+
+            // Apply declared configs to CameraX using the same lifecycle owner
+            cameraProvider.unbindAll()
+            cameraProvider.bindToLifecycle(
+                this as LifecycleOwner, cameraSelector, preview, imageAnalysis)
+
+            // Use the camera object to link our preview use case with the view
+            preview.setSurfaceProvider(activityCameraBinding.viewFinder.surfaceProvider)
+
+        }, ContextCompat.getMainExecutor(this))
+    }
+
+    override fun onResume() {
+        super.onResume()
+
+        // Request permissions each time the app resumes, since they can be revoked at any time
+        if (!hasPermissions(this)) {
+            ActivityCompat.requestPermissions(
+                this, permissions.toTypedArray(), permissionsRequestCode)
+        } else {
+            bindCameraUseCases()
+        }
+    }
+
+    override fun onRequestPermissionsResult(
+        requestCode: Int,
+        permissions: Array<out String>,
+        grantResults: IntArray
+    ) {
+        super.onRequestPermissionsResult(requestCode, permissions, grantResults)
+        if (requestCode == permissionsRequestCode && hasPermissions(this)) {
+            bindCameraUseCases()
+        } else {
+            finish() // If we don't have the required permissions, we can't run
+        }
+    }
+
+    /** Convenience method used to check if all permissions required by this app are granted */
+    private fun hasPermissions(context: Context) = permissions.all {
+        ContextCompat.checkSelfPermission(context, it) == PackageManager.PERMISSION_GRANTED
+    }
+
+    companion object {
+        private val TAG = CameraActivity::class.java.simpleName
+    }
+}
diff --git a/tflite/src/main/res/drawable/ic_launcher_background.xml b/tflite/src/main/res/drawable/ic_launcher_background.xml
new file mode 100644
index 0000000..268681b
--- /dev/null
+++ b/tflite/src/main/res/drawable/ic_launcher_background.xml
@@ -0,0 +1,89 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright 2020 Google LLC
+  ~
+  ~ 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
+  ~
+  ~     https://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.
+  -->
+<vector
+        xmlns:android="http://schemas.android.com/apk/res/android"
+        android:height="108dp"
+        android:width="108dp"
+        android:viewportHeight="108"
+        android:viewportWidth="108">
+    <path android:fillColor="#008577"
+          android:pathData="M0,0h108v108h-108z"/>
+    <path android:fillColor="#00000000" android:pathData="M9,0L9,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M19,0L19,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M29,0L29,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M39,0L39,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M49,0L49,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M59,0L59,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M69,0L69,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M79,0L79,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M89,0L89,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M99,0L99,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,9L108,9"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,19L108,19"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,29L108,29"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,39L108,39"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,49L108,49"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,59L108,59"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,69L108,69"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,79L108,79"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,89L108,89"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,99L108,99"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M19,29L89,29"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M19,39L89,39"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M19,49L89,49"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M19,59L89,59"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M19,69L89,69"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M19,79L89,79"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M29,19L29,89"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M39,19L39,89"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M49,19L49,89"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M59,19L59,89"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M69,19L69,89"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M79,19L79,89"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+</vector>
diff --git a/tflite/src/main/res/drawable/ic_shutter.xml b/tflite/src/main/res/drawable/ic_shutter.xml
new file mode 100644
index 0000000..ab352ba
--- /dev/null
+++ b/tflite/src/main/res/drawable/ic_shutter.xml
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright 2019 Google LLC
+  ~
+  ~ 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
+  ~
+  ~     https://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.
+  -->
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:state_pressed="true" android:drawable="@drawable/ic_shutter_pressed" />
+    <item android:state_focused="true" android:drawable="@drawable/ic_shutter_focused" />
+    <item android:drawable="@drawable/ic_shutter_normal" />
+</selector>
\ No newline at end of file
diff --git a/tflite/src/main/res/drawable/ic_shutter_focused.xml b/tflite/src/main/res/drawable/ic_shutter_focused.xml
new file mode 100644
index 0000000..fa852ac
--- /dev/null
+++ b/tflite/src/main/res/drawable/ic_shutter_focused.xml
@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright 2019 Google LLC
+  ~
+  ~ 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
+  ~
+  ~     https://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.
+  -->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="74"
+    android:viewportHeight="74">
+    <path android:fillColor="#FFFFFF" android:fillType="evenOdd"
+        android:pathData="M73.1,37C73.1,17.0637 56.9373,0.9 37,0.9C17.0627,0.9 0.9,17.0637 0.9,37C0.9,56.9373 17.0627,73.1 37,73.1C56.9373,73.1 73.1,56.9373 73.1,37"
+        android:strokeColor="#00000000" android:strokeWidth="1"/>
+    <path android:fillColor="#58A0C4" android:fillType="evenOdd"
+        android:pathData="M67.4,37C67.4,53.7895 53.7895,67.4 37,67.4C20.2105,67.4 6.6,53.7895 6.6,37C6.6,20.2105 20.2105,6.6 37,6.6C53.7895,6.6 67.4,20.2105 67.4,37"
+        android:strokeColor="#00000000" android:strokeWidth="1"/>
+</vector>
diff --git a/tflite/src/main/res/drawable/ic_shutter_normal.xml b/tflite/src/main/res/drawable/ic_shutter_normal.xml
new file mode 100644
index 0000000..25a10e1
--- /dev/null
+++ b/tflite/src/main/res/drawable/ic_shutter_normal.xml
@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright 2019 Google LLC
+  ~
+  ~ 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
+  ~
+  ~     https://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.
+  -->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="74"
+    android:viewportHeight="74">
+    <path android:fillColor="#FFFFFF" android:fillType="evenOdd"
+        android:pathData="M73.1,37C73.1,17.0637 56.9373,0.9 37,0.9C17.0627,0.9 0.9,17.0637 0.9,37C0.9,56.9373 17.0627,73.1 37,73.1C56.9373,73.1 73.1,56.9373 73.1,37"
+        android:strokeColor="#00000000" android:strokeWidth="1"/>
+    <path android:fillColor="#CFD7DB" android:fillType="evenOdd"
+        android:pathData="M67.4,37C67.4,53.7895 53.7895,67.4 37,67.4C20.2105,67.4 6.6,53.7895 6.6,37C6.6,20.2105 20.2105,6.6 37,6.6C53.7895,6.6 67.4,20.2105 67.4,37"
+        android:strokeColor="#00000000" android:strokeWidth="1"/>
+</vector>
diff --git a/tflite/src/main/res/drawable/ic_shutter_pressed.xml b/tflite/src/main/res/drawable/ic_shutter_pressed.xml
new file mode 100644
index 0000000..fa852ac
--- /dev/null
+++ b/tflite/src/main/res/drawable/ic_shutter_pressed.xml
@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright 2019 Google LLC
+  ~
+  ~ 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
+  ~
+  ~     https://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.
+  -->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="74"
+    android:viewportHeight="74">
+    <path android:fillColor="#FFFFFF" android:fillType="evenOdd"
+        android:pathData="M73.1,37C73.1,17.0637 56.9373,0.9 37,0.9C17.0627,0.9 0.9,17.0637 0.9,37C0.9,56.9373 17.0627,73.1 37,73.1C56.9373,73.1 73.1,56.9373 73.1,37"
+        android:strokeColor="#00000000" android:strokeWidth="1"/>
+    <path android:fillColor="#58A0C4" android:fillType="evenOdd"
+        android:pathData="M67.4,37C67.4,53.7895 53.7895,67.4 37,67.4C20.2105,67.4 6.6,53.7895 6.6,37C6.6,20.2105 20.2105,6.6 37,6.6C53.7895,6.6 67.4,20.2105 67.4,37"
+        android:strokeColor="#00000000" android:strokeWidth="1"/>
+</vector>
diff --git a/tflite/src/main/res/drawable/shape_rectangle.xml b/tflite/src/main/res/drawable/shape_rectangle.xml
new file mode 100644
index 0000000..5365e4c
--- /dev/null
+++ b/tflite/src/main/res/drawable/shape_rectangle.xml
@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright 2020 Google LLC
+  ~
+  ~ 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
+  ~
+  ~     https://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.
+  -->
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="rectangle">
+    <corners
+        android:radius="4dp"
+        android:topRightRadius="0dp"
+        android:bottomRightRadius="0dp"
+        android:bottomLeftRadius="0dp" />
+    <stroke
+        android:width="4dp"
+        android:color="@android:color/white" />
+    <solid android:color="@android:color/transparent"/>
+</shape>
\ No newline at end of file
diff --git a/tflite/src/main/res/layout-land/activity_camera.xml b/tflite/src/main/res/layout-land/activity_camera.xml
new file mode 100644
index 0000000..1cc66f1
--- /dev/null
+++ b/tflite/src/main/res/layout-land/activity_camera.xml
@@ -0,0 +1,72 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright 2020 Google LLC
+  ~
+  ~ 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
+  ~
+  ~     https://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.
+  -->
+<androidx.constraintlayout.widget.ConstraintLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/camera_container"
+    android:background="@android:color/black"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <androidx.camera.view.PreviewView
+        android:id="@+id/view_finder"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"/>
+
+    <ImageView
+        android:id="@+id/image_predicted"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:scaleType="centerCrop"
+        android:visibility="gone" />
+
+    <TextView
+        android:id="@+id/text_prediction"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="@dimen/margin_xsmall"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        android:textAllCaps="true"
+        android:textAppearance="@style/TextAppearance.AppCompat.Display1"
+        android:text="@string/unknown" />
+
+    <View
+        android:id="@+id/box_prediction"
+        android:layout_width="0dp"
+        android:layout_height="0dp"
+        android:background="@drawable/shape_rectangle"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintStart_toStartOf="parent" />
+
+    <!-- Camera control buttons -->
+
+    <ImageButton
+        android:id="@+id/camera_capture_button"
+        android:layout_width="@dimen/round_button_large"
+        android:layout_height="@dimen/round_button_large"
+        android:layout_marginEnd="@dimen/shutter_button_margin"
+        android:scaleType="fitCenter"
+        android:background="@drawable/ic_shutter"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintBottom_toBottomOf="parent"
+        android:contentDescription="@string/capture_button_alt" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/tflite/src/main/res/layout/activity_camera.xml b/tflite/src/main/res/layout/activity_camera.xml
new file mode 100644
index 0000000..c094f94
--- /dev/null
+++ b/tflite/src/main/res/layout/activity_camera.xml
@@ -0,0 +1,72 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright 2020 Google LLC
+  ~
+  ~ 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
+  ~
+  ~     https://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.
+  -->
+<androidx.constraintlayout.widget.ConstraintLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/camera_container"
+    android:background="@android:color/black"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <androidx.camera.view.PreviewView
+        android:id="@+id/view_finder"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"/>
+
+    <ImageView
+        android:id="@+id/image_predicted"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:scaleType="centerCrop"
+        android:visibility="gone" />
+
+    <TextView
+        android:id="@+id/text_prediction"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="@dimen/margin_xsmall"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        android:textAllCaps="true"
+        android:textAppearance="@style/TextAppearance.AppCompat.Display1"
+        android:text="@string/unknown" />
+
+    <View
+        android:id="@+id/box_prediction"
+        android:layout_width="0dp"
+        android:layout_height="0dp"
+        android:background="@drawable/shape_rectangle"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintStart_toStartOf="parent" />
+
+    <!-- Camera control buttons -->
+
+    <ImageButton
+        android:id="@+id/camera_capture_button"
+        android:layout_width="@dimen/round_button_large"
+        android:layout_height="@dimen/round_button_large"
+        android:layout_marginBottom="@dimen/shutter_button_margin"
+        android:scaleType="fitCenter"
+        android:background="@drawable/ic_shutter"
+        app:layout_constraintLeft_toLeftOf="parent"
+        app:layout_constraintRight_toRightOf="parent"
+        app:layout_constraintBottom_toBottomOf="parent"
+        android:contentDescription="@string/capture_button_alt" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/tflite/src/main/res/mipmap-anydpi-v26/ic_launcher.xml b/tflite/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
new file mode 100644
index 0000000..fe90d56
--- /dev/null
+++ b/tflite/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright 2019 Google LLC
+  ~
+  ~ 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
+  ~
+  ~     https://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.
+  -->
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background"/>
+    <foreground android:drawable="@mipmap/ic_launcher_foreground"/>
+</adaptive-icon>
\ No newline at end of file
diff --git a/tflite/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml b/tflite/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
new file mode 100644
index 0000000..fe90d56
--- /dev/null
+++ b/tflite/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright 2019 Google LLC
+  ~
+  ~ 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
+  ~
+  ~     https://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.
+  -->
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background"/>
+    <foreground android:drawable="@mipmap/ic_launcher_foreground"/>
+</adaptive-icon>
\ No newline at end of file
diff --git a/tflite/src/main/res/mipmap-hdpi/ic_launcher.png b/tflite/src/main/res/mipmap-hdpi/ic_launcher.png
new file mode 100644
index 0000000..edd7b36
--- /dev/null
+++ b/tflite/src/main/res/mipmap-hdpi/ic_launcher.png
diff --git a/tflite/src/main/res/mipmap-hdpi/ic_launcher_foreground.png b/tflite/src/main/res/mipmap-hdpi/ic_launcher_foreground.png
new file mode 100644
index 0000000..a050bf2
--- /dev/null
+++ b/tflite/src/main/res/mipmap-hdpi/ic_launcher_foreground.png
diff --git a/tflite/src/main/res/mipmap-hdpi/ic_launcher_round.png b/tflite/src/main/res/mipmap-hdpi/ic_launcher_round.png
new file mode 100644
index 0000000..ec13a43
--- /dev/null
+++ b/tflite/src/main/res/mipmap-hdpi/ic_launcher_round.png
diff --git a/tflite/src/main/res/mipmap-mdpi/ic_launcher.png b/tflite/src/main/res/mipmap-mdpi/ic_launcher.png
new file mode 100644
index 0000000..6fd4f91
--- /dev/null
+++ b/tflite/src/main/res/mipmap-mdpi/ic_launcher.png
diff --git a/tflite/src/main/res/mipmap-mdpi/ic_launcher_foreground.png b/tflite/src/main/res/mipmap-mdpi/ic_launcher_foreground.png
new file mode 100644
index 0000000..df81982
--- /dev/null
+++ b/tflite/src/main/res/mipmap-mdpi/ic_launcher_foreground.png
diff --git a/tflite/src/main/res/mipmap-mdpi/ic_launcher_round.png b/tflite/src/main/res/mipmap-mdpi/ic_launcher_round.png
new file mode 100644
index 0000000..2616048
--- /dev/null
+++ b/tflite/src/main/res/mipmap-mdpi/ic_launcher_round.png
diff --git a/tflite/src/main/res/mipmap-xhdpi/ic_launcher.png b/tflite/src/main/res/mipmap-xhdpi/ic_launcher.png
new file mode 100644
index 0000000..fdae11d
--- /dev/null
+++ b/tflite/src/main/res/mipmap-xhdpi/ic_launcher.png
diff --git a/tflite/src/main/res/mipmap-xhdpi/ic_launcher_foreground.png b/tflite/src/main/res/mipmap-xhdpi/ic_launcher_foreground.png
new file mode 100644
index 0000000..667d566
--- /dev/null
+++ b/tflite/src/main/res/mipmap-xhdpi/ic_launcher_foreground.png
diff --git a/tflite/src/main/res/mipmap-xhdpi/ic_launcher_round.png b/tflite/src/main/res/mipmap-xhdpi/ic_launcher_round.png
new file mode 100644
index 0000000..cb11f72
--- /dev/null
+++ b/tflite/src/main/res/mipmap-xhdpi/ic_launcher_round.png
diff --git a/tflite/src/main/res/mipmap-xxhdpi/ic_launcher.png b/tflite/src/main/res/mipmap-xxhdpi/ic_launcher.png
new file mode 100644
index 0000000..5d4fa36
--- /dev/null
+++ b/tflite/src/main/res/mipmap-xxhdpi/ic_launcher.png
diff --git a/tflite/src/main/res/mipmap-xxhdpi/ic_launcher_foreground.png b/tflite/src/main/res/mipmap-xxhdpi/ic_launcher_foreground.png
new file mode 100644
index 0000000..33dc1c6
--- /dev/null
+++ b/tflite/src/main/res/mipmap-xxhdpi/ic_launcher_foreground.png
diff --git a/tflite/src/main/res/mipmap-xxhdpi/ic_launcher_round.png b/tflite/src/main/res/mipmap-xxhdpi/ic_launcher_round.png
new file mode 100644
index 0000000..07d1393
--- /dev/null
+++ b/tflite/src/main/res/mipmap-xxhdpi/ic_launcher_round.png
diff --git a/tflite/src/main/res/mipmap-xxxhdpi/ic_launcher.png b/tflite/src/main/res/mipmap-xxxhdpi/ic_launcher.png
new file mode 100644
index 0000000..675e313
--- /dev/null
+++ b/tflite/src/main/res/mipmap-xxxhdpi/ic_launcher.png
diff --git a/tflite/src/main/res/mipmap-xxxhdpi/ic_launcher_foreground.png b/tflite/src/main/res/mipmap-xxxhdpi/ic_launcher_foreground.png
new file mode 100644
index 0000000..9f9808a
--- /dev/null
+++ b/tflite/src/main/res/mipmap-xxxhdpi/ic_launcher_foreground.png
diff --git a/tflite/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png b/tflite/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png
new file mode 100644
index 0000000..54e07e0
--- /dev/null
+++ b/tflite/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png
diff --git a/tflite/src/main/res/values/dimens.xml b/tflite/src/main/res/values/dimens.xml
new file mode 100644
index 0000000..53948b6
--- /dev/null
+++ b/tflite/src/main/res/values/dimens.xml
@@ -0,0 +1,33 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright 2020 Google LLC
+  ~
+  ~ 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
+  ~
+  ~     https://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.
+  -->
+<resources>
+    <dimen name="margin_xsmall">16dp</dimen>
+    <dimen name="margin_small">32dp</dimen>
+    <dimen name="margin_medium">48dp</dimen>
+    <dimen name="margin_large">64dp</dimen>
+    <dimen name="margin_xlarge">92dp</dimen>
+
+    <dimen name="spacing_small">4dp</dimen>
+    <dimen name="spacing_medium">8dp</dimen>
+    <dimen name="spacing_large">16dp</dimen>
+
+    <dimen name="round_button_small">32dp</dimen>
+    <dimen name="round_button_medium">64dp</dimen>
+    <dimen name="round_button_large">92dp</dimen>
+
+    <dimen name="shutter_button_margin">80dp</dimen>
+</resources>
\ No newline at end of file
diff --git a/tflite/src/main/res/values/strings.xml b/tflite/src/main/res/values/strings.xml
new file mode 100644
index 0000000..dbfb4c0
--- /dev/null
+++ b/tflite/src/main/res/values/strings.xml
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright 2020 Google LLC
+  ~
+  ~ 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
+  ~
+  ~     https://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.
+  -->
+<resources>
+    <string name="app_name">Camera Object Detector</string>
+    <string name="capture_button_alt">Capture</string>
+    <string name="unknown">UNKNOWN</string>
+</resources>
diff --git a/tflite/src/main/res/values/styles.xml b/tflite/src/main/res/values/styles.xml
new file mode 100644
index 0000000..8bfac62
--- /dev/null
+++ b/tflite/src/main/res/values/styles.xml
@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright 2020 Google LLC
+  ~
+  ~ 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
+  ~
+  ~     https://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.
+  -->
+<resources>
+
+    <!-- Base application theme. -->
+    <style name="AppTheme" parent="Theme.AppCompat.DayNight.NoActionBar">
+        <item name="android:immersive">true</item>
+        <item name="android:windowFullscreen">true</item>
+        <item name="android:windowTranslucentStatus">true</item>
+        <item name="android:windowTranslucentNavigation">true</item>
+    </style>
+
+</resources>