├── .gitignore ├── LICENSE ├── README.md ├── ScreenShots └── Screenshot_20190512-095539.png ├── app ├── .gitignore ├── build.gradle ├── proguard-rules.pro └── src │ ├── androidTest │ └── java │ │ └── net │ │ └── yanzm │ │ └── cameraxobjectdetection │ │ └── ExampleInstrumentedTest.kt │ ├── main │ ├── AndroidManifest.xml │ ├── java │ │ └── net │ │ │ └── yanzm │ │ │ └── cameraxobjectdetection │ │ │ ├── CameraFragment.kt │ │ │ ├── GraphicOverlay.kt │ │ │ ├── MainActivity.kt │ │ │ ├── MyApplication.kt │ │ │ ├── ObjectDetectionAnalyzer.kt │ │ │ └── PermissionsFragment.kt │ └── res │ │ ├── drawable-v24 │ │ └── ic_launcher_foreground.xml │ │ ├── drawable │ │ └── ic_launcher_background.xml │ │ ├── layout │ │ └── fragment_camera.xml │ │ ├── mipmap-anydpi-v26 │ │ ├── ic_launcher.xml │ │ └── ic_launcher_round.xml │ │ ├── mipmap-hdpi │ │ ├── ic_launcher.png │ │ └── ic_launcher_round.png │ │ ├── mipmap-mdpi │ │ ├── ic_launcher.png │ │ └── ic_launcher_round.png │ │ ├── mipmap-xhdpi │ │ ├── ic_launcher.png │ │ └── ic_launcher_round.png │ │ ├── mipmap-xxhdpi │ │ ├── ic_launcher.png │ │ └── ic_launcher_round.png │ │ ├── mipmap-xxxhdpi │ │ ├── ic_launcher.png │ │ └── ic_launcher_round.png │ │ └── values │ │ ├── colors.xml │ │ ├── strings.xml │ │ └── styles.xml │ └── test │ └── java │ └── net │ └── yanzm │ └── cameraxobjectdetection │ └── ExampleUnitTest.kt ├── build.gradle ├── gradle └── wrapper │ ├── gradle-wrapper.jar │ └── gradle-wrapper.properties ├── gradlew ├── gradlew.bat └── settings.gradle /.gitignore: -------------------------------------------------------------------------------- 1 | local.properties 2 | ext.properties 3 | 4 | # for gradle, IDEA 5 | .gradle 6 | build/ 7 | *.iml 8 | !.idea/runConfigurations/* 9 | .idea/*.xml 10 | .idea/.name 11 | .idea/copyright/ 12 | .idea/libraries/ 13 | .idea/scopes/ 14 | .idea/inspectionProfiles/ 15 | .idea/dictionaries/ 16 | .idea/caches/build_file_checksums.ser 17 | .idea/codeStyles/Project.xml 18 | 19 | certificate/ 20 | apk/ 21 | .DS_Store 22 | gradle.properties 23 | 24 | app/google-services.json 25 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | Apache License 2 | Version 2.0, January 2004 3 | http://www.apache.org/licenses/ 4 | 5 | TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 6 | 7 | 1. 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We also recommend that a 185 | file or class name and description of purpose be included on the 186 | same "printed page" as the copyright notice for easier 187 | identification within third-party archives. 188 | 189 | Copyright [yyyy] [name of copyright owner] 190 | 191 | Licensed under the Apache License, Version 2.0 (the "License"); 192 | you may not use this file except in compliance with the License. 193 | You may obtain a copy of the License at 194 | 195 | http://www.apache.org/licenses/LICENSE-2.0 196 | 197 | Unless required by applicable law or agreed to in writing, software 198 | distributed under the License is distributed on an "AS IS" BASIS, 199 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 200 | See the License for the specific language governing permissions and 201 | limitations under the License. 202 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # CameraXObjectDetection 2 | 3 | Sample code of using CameraX and ML Kit Object Detection together. 4 | 5 | 6 | -------------------------------------------------------------------------------- /ScreenShots/Screenshot_20190512-095539.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/yanzm/CameraXObjectDetection/d1582c1318051a21a7782228ce170c3f85418c6d/ScreenShots/Screenshot_20190512-095539.png -------------------------------------------------------------------------------- /app/.gitignore: -------------------------------------------------------------------------------- 1 | /build 2 | -------------------------------------------------------------------------------- /app/build.gradle: -------------------------------------------------------------------------------- 1 | apply plugin: "com.android.application" 2 | apply plugin: "kotlin-android" 3 | apply plugin: "kotlin-android-extensions" 4 | 5 | android { 6 | compileSdkVersion 29 7 | 8 | defaultConfig { 9 | applicationId "net.yanzm.cameraxobjectdetection" 10 | minSdkVersion 21 11 | targetSdkVersion 29 12 | versionCode 1 13 | versionName "1.0" 14 | testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner" 15 | } 16 | buildTypes { 17 | release { 18 | minifyEnabled false 19 | proguardFiles getDefaultProguardFile("proguard-android-optimize.txt"), "proguard-rules.pro" 20 | } 21 | } 22 | 23 | compileOptions { 24 | sourceCompatibility JavaVersion.VERSION_1_8 25 | targetCompatibility JavaVersion.VERSION_1_8 26 | } 27 | 28 | kotlinOptions { 29 | jvmTarget = "1.8" 30 | } 31 | } 32 | 33 | dependencies { 34 | implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version" 35 | 36 | implementation "androidx.appcompat:appcompat:1.2.0" 37 | implementation "androidx.core:core-ktx:1.3.2" 38 | implementation "androidx.constraintlayout:constraintlayout:2.0.3" 39 | 40 | implementation "com.google.mlkit:object-detection:16.2.1" 41 | implementation "com.google.mlkit:object-detection-custom:16.2.1" 42 | 43 | implementation "androidx.camera:camera-camera2:1.0.0-beta11" 44 | implementation "androidx.camera:camera-lifecycle:1.0.0-beta11" 45 | implementation "androidx.camera:camera-view:1.0.0-alpha18" 46 | 47 | testImplementation "junit:junit:4.13.1" 48 | 49 | androidTestImplementation "androidx.test:runner:1.3.0" 50 | androidTestImplementation "androidx.test.espresso:espresso-core:3.3.0" 51 | } 52 | apply plugin: "com.google.gms.google-services" 53 | -------------------------------------------------------------------------------- /app/proguard-rules.pro: -------------------------------------------------------------------------------- 1 | # Add project specific ProGuard rules here. 2 | # You can control the set of applied configuration files using the 3 | # proguardFiles setting in build.gradle. 4 | # 5 | # For more details, see 6 | # http://developer.android.com/guide/developing/tools/proguard.html 7 | 8 | # If your project uses WebView with JS, uncomment the following 9 | # and specify the fully qualified class name to the JavaScript interface 10 | # class: 11 | #-keepclassmembers class fqcn.of.javascript.interface.for.webview { 12 | # public *; 13 | #} 14 | 15 | # Uncomment this to preserve the line number information for 16 | # debugging stack traces. 17 | #-keepattributes SourceFile,LineNumberTable 18 | 19 | # If you keep the line number information, uncomment this to 20 | # hide the original source file name. 21 | #-renamesourcefileattribute SourceFile 22 | -------------------------------------------------------------------------------- /app/src/androidTest/java/net/yanzm/cameraxobjectdetection/ExampleInstrumentedTest.kt: -------------------------------------------------------------------------------- 1 | package net.yanzm.cameraxobjectdetection 2 | 3 | import androidx.test.InstrumentationRegistry 4 | import androidx.test.runner.AndroidJUnit4 5 | 6 | import org.junit.Test 7 | import org.junit.runner.RunWith 8 | 9 | import org.junit.Assert.* 10 | 11 | /** 12 | * Instrumented test, which will execute on an Android device. 13 | * 14 | * See [testing documentation](http://d.android.com/tools/testing). 15 | */ 16 | @RunWith(AndroidJUnit4::class) 17 | class ExampleInstrumentedTest { 18 | @Test 19 | fun useAppContext() { 20 | // Context of the app under test. 21 | val appContext = InstrumentationRegistry.getTargetContext() 22 | assertEquals("net.yanzm.cameraxobjectdetection", appContext.packageName) 23 | } 24 | } 25 | -------------------------------------------------------------------------------- /app/src/main/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 2 | 5 | 6 | 7 | 8 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | -------------------------------------------------------------------------------- /app/src/main/java/net/yanzm/cameraxobjectdetection/CameraFragment.kt: -------------------------------------------------------------------------------- 1 | /* 2 | * Copyright 2019 Yuki Anzai (@yanzm) 3 | * 4 | * Licensed under the Apache License, Version 2.0 (the "License"); 5 | * you may not use this file except in compliance with the License. 6 | * You may obtain a copy of the License at 7 | * 8 | * https://www.apache.org/licenses/LICENSE-2.0 9 | * 10 | * Unless required by applicable law or agreed to in writing, software 11 | * distributed under the License is distributed on an "AS IS" BASIS, 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 | * See the License for the specific language governing permissions and 14 | * limitations under the License. 15 | */ 16 | 17 | package net.yanzm.cameraxobjectdetection 18 | 19 | import android.content.Context 20 | import android.os.Bundle 21 | import android.view.LayoutInflater 22 | import android.view.View 23 | import android.view.ViewGroup 24 | import androidx.camera.core.CameraSelector 25 | import androidx.camera.core.ImageAnalysis 26 | import androidx.camera.core.Preview 27 | import androidx.camera.lifecycle.ProcessCameraProvider 28 | import androidx.core.content.ContextCompat 29 | import androidx.fragment.app.Fragment 30 | import com.google.common.util.concurrent.ListenableFuture 31 | import kotlinx.android.synthetic.main.fragment_camera.* 32 | import java.util.concurrent.Executors 33 | 34 | class CameraFragment : Fragment() { 35 | 36 | private lateinit var cameraProviderFuture: ListenableFuture 37 | 38 | override fun onAttach(context: Context) { 39 | super.onAttach(context) 40 | cameraProviderFuture = ProcessCameraProvider.getInstance(context) 41 | cameraProviderFuture.addListener(Runnable { 42 | val cameraProvider = cameraProviderFuture.get() 43 | bindPreview(cameraProvider) 44 | }, ContextCompat.getMainExecutor(context)) 45 | } 46 | 47 | override fun onCreateView( 48 | inflater: LayoutInflater, 49 | container: ViewGroup?, 50 | savedInstanceState: Bundle? 51 | ): View? { 52 | return inflater.inflate(R.layout.fragment_camera, container, false) 53 | } 54 | 55 | override fun onResume() { 56 | super.onResume() 57 | if (!PermissionsFragment.hasPermissions(requireContext())) { 58 | (activity as? MainActivity)?.moveToPermission() 59 | } 60 | } 61 | 62 | private fun bindPreview(cameraProvider: ProcessCameraProvider) { 63 | val preview = Preview.Builder() 64 | .setTargetName("Preview") 65 | .build() 66 | 67 | val cameraSelector = CameraSelector.Builder() 68 | .requireLensFacing(CameraSelector.LENS_FACING_BACK) 69 | .build() 70 | 71 | val imageAnalysis = ImageAnalysis.Builder() 72 | .setBackpressureStrategy(ImageAnalysis.STRATEGY_KEEP_ONLY_LATEST) 73 | .build() 74 | 75 | val analyzer = ObjectDetectionAnalyzer { 76 | overlay?.post { 77 | updateOverlay(it) 78 | } 79 | } 80 | 81 | imageAnalysis.setAnalyzer( 82 | Executors.newSingleThreadExecutor(), 83 | analyzer 84 | ) 85 | 86 | try { 87 | cameraProvider.unbindAll() 88 | 89 | cameraProvider.bindToLifecycle(this, cameraSelector, preview, imageAnalysis) 90 | 91 | preview.setSurfaceProvider(previewView.surfaceProvider) 92 | } catch (e: Exception) { 93 | } 94 | } 95 | 96 | private fun updateOverlay(detectedObjects: DetectedObjects) { 97 | 98 | if (overlay == null) { 99 | return 100 | } 101 | 102 | if (detectedObjects.objects.isEmpty()) { 103 | overlay.set(emptyList()) 104 | return 105 | } 106 | 107 | overlay.setSize(detectedObjects.imageWidth, detectedObjects.imageHeight) 108 | 109 | val list = mutableListOf() 110 | 111 | for (obj in detectedObjects.objects) { 112 | 113 | val box = obj.boundingBox 114 | 115 | val label = obj.labels.joinToString { label -> 116 | val confidence: Int = label.confidence.times(100).toInt() 117 | "${label.text} $confidence%" 118 | } 119 | 120 | val text = if (label.isNotEmpty()) label else "unknown" 121 | 122 | list.add(BoxData(text, box)) 123 | } 124 | 125 | overlay.set(list) 126 | } 127 | } 128 | -------------------------------------------------------------------------------- /app/src/main/java/net/yanzm/cameraxobjectdetection/GraphicOverlay.kt: -------------------------------------------------------------------------------- 1 | /* 2 | * Copyright 2019 Yuki Anzai (@yanzm) 3 | * 4 | * Licensed under the Apache License, Version 2.0 (the "License"); 5 | * you may not use this file except in compliance with the License. 6 | * You may obtain a copy of the License at 7 | * 8 | * https://www.apache.org/licenses/LICENSE-2.0 9 | * 10 | * Unless required by applicable law or agreed to in writing, software 11 | * distributed under the License is distributed on an "AS IS" BASIS, 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 | * See the License for the specific language governing permissions and 14 | * limitations under the License. 15 | */ 16 | 17 | package net.yanzm.cameraxobjectdetection 18 | 19 | import android.content.Context 20 | import android.graphics.Canvas 21 | import android.graphics.Color 22 | import android.graphics.Paint 23 | import android.graphics.Rect 24 | import android.graphics.RectF 25 | import android.util.AttributeSet 26 | import android.view.View 27 | 28 | data class BoxData(val text: String, val boundingBox: Rect) 29 | 30 | class GraphicOverlay(context: Context, attrs: AttributeSet?) : View(context, attrs) { 31 | 32 | private val lock = Any() 33 | 34 | private val graphics = mutableSetOf() 35 | 36 | private val rectPaint = Paint().apply { 37 | color = Color.WHITE 38 | style = Paint.Style.STROKE 39 | strokeWidth = 2 * resources.displayMetrics.density 40 | } 41 | 42 | private val textBackgroundPaint = Paint().apply { 43 | color = Color.parseColor("#66000000") 44 | style = Paint.Style.FILL 45 | } 46 | 47 | private val textPaint = Paint().apply { 48 | color = Color.WHITE 49 | textSize = 20 * resources.displayMetrics.density 50 | } 51 | 52 | private val rect = RectF() 53 | private val offset = resources.displayMetrics.density * 8 54 | private val round = resources.displayMetrics.density * 4 55 | 56 | private var scale: Float = 1f 57 | 58 | private var xOffset: Float = 0f 59 | private var yOffset: Float = 0f 60 | 61 | fun setSize(imageWidth: Int, imageHeight: Int) { 62 | 63 | val overlayRatio = width / height.toFloat() 64 | val imageRatio = imageWidth / imageHeight.toFloat() 65 | 66 | if (overlayRatio < imageRatio) { 67 | // 同じ高さにしたとき overlay の方が 幅 が小さいので height に合わせる 68 | scale = height / imageHeight.toFloat() 69 | 70 | xOffset = (imageWidth * scale - width) * 0.5f 71 | yOffset = 0f 72 | } else { 73 | // 同じ高さにしたとき overlay の方が 幅 が大きいので width に合わせる 74 | scale = width / imageWidth.toFloat() 75 | 76 | xOffset = 0f 77 | yOffset = (imageHeight * scale - height) * 0.5f 78 | } 79 | } 80 | 81 | override fun onDraw(canvas: Canvas) { 82 | super.onDraw(canvas) 83 | 84 | synchronized(lock) { 85 | for (graphic in graphics) { 86 | rect.set( 87 | graphic.boundingBox.left * scale, 88 | graphic.boundingBox.top * scale, 89 | graphic.boundingBox.right * scale, 90 | graphic.boundingBox.bottom * scale 91 | ) 92 | 93 | rect.offset(-xOffset, -yOffset) 94 | 95 | canvas.drawRect(rect, rectPaint) 96 | 97 | if (graphic.text.isNotEmpty()) { 98 | canvas.drawRoundRect( 99 | rect.left, 100 | rect.bottom - offset, 101 | rect.left + offset + textPaint.measureText(graphic.text) + offset, 102 | rect.bottom + textPaint.textSize + offset, 103 | round, 104 | round, 105 | textBackgroundPaint 106 | ) 107 | canvas.drawText( 108 | graphic.text, 109 | rect.left + offset, 110 | rect.bottom + textPaint.textSize, 111 | textPaint 112 | ) 113 | } 114 | } 115 | } 116 | } 117 | 118 | fun set(list: List) { 119 | synchronized(lock) { 120 | graphics.clear() 121 | for (boxData in list) { 122 | graphics.add(boxData) 123 | } 124 | } 125 | postInvalidate() 126 | } 127 | } 128 | -------------------------------------------------------------------------------- /app/src/main/java/net/yanzm/cameraxobjectdetection/MainActivity.kt: -------------------------------------------------------------------------------- 1 | /* 2 | * Copyright 2019 Yuki Anzai (@yanzm) 3 | * 4 | * Licensed under the Apache License, Version 2.0 (the "License"); 5 | * you may not use this file except in compliance with the License. 6 | * You may obtain a copy of the License at 7 | * 8 | * https://www.apache.org/licenses/LICENSE-2.0 9 | * 10 | * Unless required by applicable law or agreed to in writing, software 11 | * distributed under the License is distributed on an "AS IS" BASIS, 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 | * See the License for the specific language governing permissions and 14 | * limitations under the License. 15 | */ 16 | 17 | package net.yanzm.cameraxobjectdetection 18 | 19 | import android.os.Bundle 20 | import androidx.appcompat.app.AppCompatActivity 21 | 22 | class MainActivity : AppCompatActivity() { 23 | 24 | override fun onCreate(savedInstanceState: Bundle?) { 25 | super.onCreate(savedInstanceState) 26 | 27 | if (savedInstanceState == null) { 28 | moveToPermission() 29 | } 30 | } 31 | 32 | fun moveToCamera() { 33 | supportFragmentManager.beginTransaction() 34 | .replace(android.R.id.content, CameraFragment()) 35 | .commit() 36 | } 37 | 38 | fun moveToPermission() { 39 | supportFragmentManager.beginTransaction() 40 | .replace(android.R.id.content, PermissionsFragment()) 41 | .commit() 42 | } 43 | } 44 | -------------------------------------------------------------------------------- /app/src/main/java/net/yanzm/cameraxobjectdetection/MyApplication.kt: -------------------------------------------------------------------------------- 1 | /* 2 | * Copyright 2019 Yuki Anzai (@yanzm) 3 | * 4 | * Licensed under the Apache License, Version 2.0 (the "License"); 5 | * you may not use this file except in compliance with the License. 6 | * You may obtain a copy of the License at 7 | * 8 | * https://www.apache.org/licenses/LICENSE-2.0 9 | * 10 | * Unless required by applicable law or agreed to in writing, software 11 | * distributed under the License is distributed on an "AS IS" BASIS, 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 | * See the License for the specific language governing permissions and 14 | * limitations under the License. 15 | */ 16 | 17 | package net.yanzm.cameraxobjectdetection 18 | 19 | import android.app.Application 20 | import androidx.camera.camera2.Camera2Config 21 | import androidx.camera.core.CameraXConfig 22 | 23 | class MyApplication : Application(), CameraXConfig.Provider { 24 | 25 | override fun getCameraXConfig(): CameraXConfig { 26 | return Camera2Config.defaultConfig() 27 | } 28 | } 29 | -------------------------------------------------------------------------------- /app/src/main/java/net/yanzm/cameraxobjectdetection/ObjectDetectionAnalyzer.kt: -------------------------------------------------------------------------------- 1 | /* 2 | * Copyright 2019 Yuki Anzai (@yanzm) 3 | * 4 | * Licensed under the Apache License, Version 2.0 (the "License"); 5 | * you may not use this file except in compliance with the License. 6 | * You may obtain a copy of the License at 7 | * 8 | * https://www.apache.org/licenses/LICENSE-2.0 9 | * 10 | * Unless required by applicable law or agreed to in writing, software 11 | * distributed under the License is distributed on an "AS IS" BASIS, 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 | * See the License for the specific language governing permissions and 14 | * limitations under the License. 15 | */ 16 | 17 | package net.yanzm.cameraxobjectdetection 18 | 19 | import android.annotation.SuppressLint 20 | import android.media.Image 21 | import androidx.annotation.NonNull 22 | import androidx.camera.core.ImageAnalysis 23 | import androidx.camera.core.ImageProxy 24 | import com.google.android.gms.tasks.Tasks 25 | import com.google.mlkit.vision.common.InputImage 26 | import com.google.mlkit.vision.objects.DetectedObject 27 | import com.google.mlkit.vision.objects.ObjectDetection 28 | import com.google.mlkit.vision.objects.ObjectDetector 29 | import com.google.mlkit.vision.objects.defaults.ObjectDetectorOptions 30 | import java.util.concurrent.TimeUnit 31 | 32 | class ObjectDetectionAnalyzer( 33 | private val listener: (detectedObjects: DetectedObjects) -> Unit 34 | ) : ImageAnalysis.Analyzer { 35 | 36 | private val detector: ObjectDetector 37 | 38 | init { 39 | val options = ObjectDetectorOptions.Builder() 40 | .setDetectorMode(ObjectDetectorOptions.STREAM_MODE) 41 | .enableClassification() 42 | .build() 43 | 44 | detector = ObjectDetection.getClient(options) 45 | } 46 | 47 | @SuppressLint("UnsafeExperimentalUsageError") 48 | override fun analyze(imageProxy: ImageProxy) { 49 | val processingImage = imageProxy.image 50 | if (processingImage == null) { 51 | imageProxy.close() 52 | return 53 | } 54 | 55 | val rotationDegrees = imageProxy.imageInfo.rotationDegrees 56 | 57 | val image = InputImage.fromMediaImage( 58 | processingImage, 59 | rotationDegrees 60 | ) 61 | 62 | try { 63 | val results = Tasks.await(detector.process(image), 1, TimeUnit.SECONDS) 64 | 65 | debugPrint(results) 66 | 67 | listener(DetectedObjects(rotationDegrees, processingImage, results)) 68 | } catch (e: Exception) { 69 | println("failure : $e") 70 | } 71 | 72 | imageProxy.close() 73 | } 74 | 75 | private fun debugPrint(visionObjects: List) { 76 | for ((idx, obj) in visionObjects.withIndex()) { 77 | val box = obj.boundingBox 78 | 79 | println("Detected object: $idx") 80 | println(" trackingId: ${obj.trackingId}") 81 | println(" boundingBox: (${box.left}, ${box.top}) - (${box.right},${box.bottom})") 82 | for (label in obj.labels) { 83 | val confidence: Int = label.confidence.times(100).toInt() 84 | println(" Label[${label.index}], Confidence: $confidence%, Text: ${label.text}") 85 | } 86 | } 87 | } 88 | } 89 | 90 | class DetectedObjects( 91 | rotationDegrees: Int, 92 | @NonNull image: Image, 93 | val objects: List 94 | ) { 95 | val imageWidth: Int 96 | val imageHeight: Int 97 | 98 | init { 99 | when (rotationDegrees) { 100 | 90, 270 -> { 101 | imageWidth = image.height 102 | imageHeight = image.width 103 | } 104 | else -> { 105 | imageWidth = image.width 106 | imageHeight = image.height 107 | } 108 | } 109 | } 110 | } 111 | -------------------------------------------------------------------------------- /app/src/main/java/net/yanzm/cameraxobjectdetection/PermissionsFragment.kt: -------------------------------------------------------------------------------- 1 | /* 2 | * Copyright 2019 Yuki Anzai (@yanzm) 3 | * 4 | * Licensed under the Apache License, Version 2.0 (the "License"); 5 | * you may not use this file except in compliance with the License. 6 | * You may obtain a copy of the License at 7 | * 8 | * https://www.apache.org/licenses/LICENSE-2.0 9 | * 10 | * Unless required by applicable law or agreed to in writing, software 11 | * distributed under the License is distributed on an "AS IS" BASIS, 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 | * See the License for the specific language governing permissions and 14 | * limitations under the License. 15 | */ 16 | 17 | package net.yanzm.cameraxobjectdetection 18 | 19 | import android.Manifest 20 | import android.content.Context 21 | import android.content.pm.PackageManager 22 | import android.os.Bundle 23 | import android.widget.Toast 24 | import androidx.core.content.ContextCompat 25 | import androidx.fragment.app.Fragment 26 | 27 | class PermissionsFragment : Fragment() { 28 | 29 | override fun onCreate(savedInstanceState: Bundle?) { 30 | super.onCreate(savedInstanceState) 31 | 32 | if (!hasPermissions(requireContext())) { 33 | requestPermissions(PERMISSIONS, REQUEST_CODE) 34 | } else { 35 | moveToCamera() 36 | } 37 | } 38 | 39 | override fun onRequestPermissionsResult( 40 | requestCode: Int, 41 | permissions: Array, 42 | grantResults: IntArray 43 | ) { 44 | super.onRequestPermissionsResult(requestCode, permissions, grantResults) 45 | 46 | if (requestCode == REQUEST_CODE) { 47 | if (grantResults.firstOrNull() == PackageManager.PERMISSION_GRANTED) { 48 | moveToCamera() 49 | } else { 50 | Toast.makeText(context, "Permission request denied", Toast.LENGTH_LONG).show() 51 | activity?.finish() 52 | } 53 | } 54 | } 55 | 56 | private fun moveToCamera() { 57 | (activity as? MainActivity)?.moveToCamera() 58 | } 59 | 60 | companion object { 61 | private const val REQUEST_CODE = 11 62 | private val PERMISSIONS = arrayOf(Manifest.permission.CAMERA) 63 | 64 | fun hasPermissions(context: Context) = PERMISSIONS.all { 65 | ContextCompat.checkSelfPermission(context, it) == PackageManager.PERMISSION_GRANTED 66 | } 67 | } 68 | } 69 | -------------------------------------------------------------------------------- /app/src/main/res/drawable-v24/ic_launcher_foreground.xml: -------------------------------------------------------------------------------- 1 | 7 | 12 | 13 | 19 | 22 | 25 | 26 | 27 | 28 | 34 | 35 | -------------------------------------------------------------------------------- /app/src/main/res/drawable/ic_launcher_background.xml: -------------------------------------------------------------------------------- 1 | 2 | 7 | 10 | 15 | 20 | 25 | 30 | 35 | 40 | 45 | 50 | 55 | 60 | 65 | 70 | 75 | 80 | 85 | 90 | 95 | 100 | 105 | 110 | 115 | 120 | 125 | 130 | 135 | 140 | 145 | 150 | 155 | 160 | 165 | 170 | 171 | -------------------------------------------------------------------------------- /app/src/main/res/layout/fragment_camera.xml: -------------------------------------------------------------------------------- 1 | 2 | 5 | 6 | 10 | 11 | 15 | 16 | 17 | -------------------------------------------------------------------------------- /app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | -------------------------------------------------------------------------------- /app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | -------------------------------------------------------------------------------- /app/src/main/res/mipmap-hdpi/ic_launcher.png: -------------------------------------------------------------------------------- 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/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/yanzm/CameraXObjectDetection/d1582c1318051a21a7782228ce170c3f85418c6d/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/yanzm/CameraXObjectDetection/d1582c1318051a21a7782228ce170c3f85418c6d/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png -------------------------------------------------------------------------------- /app/src/main/res/values/colors.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | #000000 4 | #000000 5 | #D81B60 6 | 7 | -------------------------------------------------------------------------------- /app/src/main/res/values/strings.xml: -------------------------------------------------------------------------------- 1 | 2 | CameraXObjectDetection 3 | 4 | -------------------------------------------------------------------------------- /app/src/main/res/values/styles.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 10 | 11 | 12 | -------------------------------------------------------------------------------- /app/src/test/java/net/yanzm/cameraxobjectdetection/ExampleUnitTest.kt: -------------------------------------------------------------------------------- 1 | package net.yanzm.cameraxobjectdetection 2 | 3 | import org.junit.Test 4 | 5 | import org.junit.Assert.* 6 | 7 | /** 8 | * Example local unit test, which will execute on the development machine (host). 9 | * 10 | * See [testing documentation](http://d.android.com/tools/testing). 11 | */ 12 | class ExampleUnitTest { 13 | @Test 14 | fun addition_isCorrect() { 15 | assertEquals(4, 2 + 2) 16 | } 17 | } 18 | -------------------------------------------------------------------------------- /build.gradle: -------------------------------------------------------------------------------- 1 | // Top-level build file where you can add configuration options common to all sub-projects/modules. 2 | 3 | buildscript { 4 | ext{ 5 | kotlin_version = "1.4.10" 6 | } 7 | repositories { 8 | google() 9 | jcenter() 10 | } 11 | dependencies { 12 | classpath "com.android.tools.build:gradle:4.1.0" 13 | classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version" 14 | classpath "com.google.gms:google-services:4.3.4" 15 | // NOTE: Do not place your application dependencies here; they belong 16 | // in the individual module build.gradle files 17 | } 18 | } 19 | 20 | allprojects { 21 | repositories { 22 | google() 23 | jcenter() 24 | } 25 | } 26 | 27 | task clean(type: Delete) { 28 | delete rootProject.buildDir 29 | } 30 | -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.jar: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/yanzm/CameraXObjectDetection/d1582c1318051a21a7782228ce170c3f85418c6d/gradle/wrapper/gradle-wrapper.jar -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.properties: -------------------------------------------------------------------------------- 1 | #Mon Nov 02 15:09:56 JST 2020 2 | distributionBase=GRADLE_USER_HOME 3 | distributionPath=wrapper/dists 4 | zipStoreBase=GRADLE_USER_HOME 5 | zipStorePath=wrapper/dists 6 | distributionUrl=https\://services.gradle.org/distributions/gradle-6.5-bin.zip 7 | -------------------------------------------------------------------------------- /gradlew: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env sh 2 | 3 | ############################################################################## 4 | ## 5 | ## Gradle start up script for UN*X 6 | ## 7 | ############################################################################## 8 | 9 | # Attempt to set APP_HOME 10 | # Resolve links: $0 may be a link 11 | PRG="$0" 12 | # Need this for relative symlinks. 13 | while [ -h "$PRG" ] ; do 14 | ls=`ls -ld "$PRG"` 15 | link=`expr "$ls" : '.*-> \(.*\)$'` 16 | if expr "$link" : '/.*' > /dev/null; then 17 | PRG="$link" 18 | else 19 | PRG=`dirname "$PRG"`"/$link" 20 | fi 21 | done 22 | SAVED="`pwd`" 23 | cd "`dirname \"$PRG\"`/" >/dev/null 24 | APP_HOME="`pwd -P`" 25 | cd "$SAVED" >/dev/null 26 | 27 | APP_NAME="Gradle" 28 | APP_BASE_NAME=`basename "$0"` 29 | 30 | # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 31 | DEFAULT_JVM_OPTS="" 32 | 33 | # Use the maximum available, or set MAX_FD != -1 to use that value. 34 | MAX_FD="maximum" 35 | 36 | warn () { 37 | echo "$*" 38 | } 39 | 40 | die () { 41 | echo 42 | echo "$*" 43 | echo 44 | exit 1 45 | } 46 | 47 | # OS specific support (must be 'true' or 'false'). 48 | cygwin=false 49 | msys=false 50 | darwin=false 51 | nonstop=false 52 | case "`uname`" in 53 | CYGWIN* ) 54 | cygwin=true 55 | ;; 56 | Darwin* ) 57 | darwin=true 58 | ;; 59 | MINGW* ) 60 | msys=true 61 | ;; 62 | NONSTOP* ) 63 | nonstop=true 64 | ;; 65 | esac 66 | 67 | CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar 68 | 69 | # Determine the Java command to use to start the JVM. 70 | if [ -n "$JAVA_HOME" ] ; then 71 | if [ -x "$JAVA_HOME/jre/sh/java" ] ; then 72 | # IBM's JDK on AIX uses strange locations for the executables 73 | JAVACMD="$JAVA_HOME/jre/sh/java" 74 | else 75 | JAVACMD="$JAVA_HOME/bin/java" 76 | fi 77 | if [ ! -x "$JAVACMD" ] ; then 78 | die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME 79 | 80 | Please set the JAVA_HOME variable in your environment to match the 81 | location of your Java installation." 82 | fi 83 | else 84 | JAVACMD="java" 85 | which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 86 | 87 | Please set the JAVA_HOME variable in your environment to match the 88 | location of your Java installation." 89 | fi 90 | 91 | # Increase the maximum file descriptors if we can. 92 | if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then 93 | MAX_FD_LIMIT=`ulimit -H -n` 94 | if [ $? -eq 0 ] ; then 95 | if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then 96 | MAX_FD="$MAX_FD_LIMIT" 97 | fi 98 | ulimit -n $MAX_FD 99 | if [ $? -ne 0 ] ; then 100 | warn "Could not set maximum file descriptor limit: $MAX_FD" 101 | fi 102 | else 103 | warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT" 104 | fi 105 | fi 106 | 107 | # For Darwin, add options to specify how the application appears in the dock 108 | if $darwin; then 109 | GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\"" 110 | fi 111 | 112 | # For Cygwin, switch paths to Windows format before running java 113 | if $cygwin ; then 114 | APP_HOME=`cygpath --path --mixed "$APP_HOME"` 115 | CLASSPATH=`cygpath --path --mixed "$CLASSPATH"` 116 | JAVACMD=`cygpath --unix "$JAVACMD"` 117 | 118 | # We build the pattern for arguments to be converted via cygpath 119 | ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null` 120 | SEP="" 121 | for dir in $ROOTDIRSRAW ; do 122 | ROOTDIRS="$ROOTDIRS$SEP$dir" 123 | SEP="|" 124 | done 125 | OURCYGPATTERN="(^($ROOTDIRS))" 126 | # Add a user-defined pattern to the cygpath arguments 127 | if [ "$GRADLE_CYGPATTERN" != "" ] ; then 128 | OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)" 129 | fi 130 | # Now convert the arguments - kludge to limit ourselves to /bin/sh 131 | i=0 132 | for arg in "$@" ; do 133 | CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -` 134 | CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option 135 | 136 | if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition 137 | eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"` 138 | else 139 | eval `echo args$i`="\"$arg\"" 140 | fi 141 | i=$((i+1)) 142 | done 143 | case $i in 144 | (0) set -- ;; 145 | (1) set -- "$args0" ;; 146 | (2) set -- "$args0" "$args1" ;; 147 | (3) set -- "$args0" "$args1" "$args2" ;; 148 | (4) set -- "$args0" "$args1" "$args2" "$args3" ;; 149 | (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;; 150 | (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;; 151 | (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;; 152 | (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;; 153 | (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;; 154 | esac 155 | fi 156 | 157 | # Escape application args 158 | save () { 159 | for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done 160 | echo " " 161 | } 162 | APP_ARGS=$(save "$@") 163 | 164 | # Collect all arguments for the java command, following the shell quoting and substitution rules 165 | eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS" 166 | 167 | # by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong 168 | if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then 169 | cd "$(dirname "$0")" 170 | fi 171 | 172 | exec "$JAVACMD" "$@" 173 | -------------------------------------------------------------------------------- /gradlew.bat: -------------------------------------------------------------------------------- 1 | @if "%DEBUG%" == "" @echo off 2 | @rem ########################################################################## 3 | @rem 4 | @rem Gradle startup script for Windows 5 | @rem 6 | @rem ########################################################################## 7 | 8 | @rem Set local scope for the variables with windows NT shell 9 | if "%OS%"=="Windows_NT" setlocal 10 | 11 | set DIRNAME=%~dp0 12 | if "%DIRNAME%" == "" set DIRNAME=. 13 | set APP_BASE_NAME=%~n0 14 | set APP_HOME=%DIRNAME% 15 | 16 | @rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 17 | set DEFAULT_JVM_OPTS= 18 | 19 | @rem Find java.exe 20 | if defined JAVA_HOME goto findJavaFromJavaHome 21 | 22 | set JAVA_EXE=java.exe 23 | %JAVA_EXE% -version >NUL 2>&1 24 | if "%ERRORLEVEL%" == "0" goto init 25 | 26 | echo. 27 | echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 28 | echo. 29 | echo Please set the JAVA_HOME variable in your environment to match the 30 | echo location of your Java installation. 31 | 32 | goto fail 33 | 34 | :findJavaFromJavaHome 35 | set JAVA_HOME=%JAVA_HOME:"=% 36 | set JAVA_EXE=%JAVA_HOME%/bin/java.exe 37 | 38 | if exist "%JAVA_EXE%" goto init 39 | 40 | echo. 41 | echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% 42 | echo. 43 | echo Please set the JAVA_HOME variable in your environment to match the 44 | echo location of your Java installation. 45 | 46 | goto fail 47 | 48 | :init 49 | @rem Get command-line arguments, handling Windows variants 50 | 51 | if not "%OS%" == "Windows_NT" goto win9xME_args 52 | 53 | :win9xME_args 54 | @rem Slurp the command line arguments. 55 | set CMD_LINE_ARGS= 56 | set _SKIP=2 57 | 58 | :win9xME_args_slurp 59 | if "x%~1" == "x" goto execute 60 | 61 | set CMD_LINE_ARGS=%* 62 | 63 | :execute 64 | @rem Setup the command line 65 | 66 | set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar 67 | 68 | @rem Execute Gradle 69 | "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS% 70 | 71 | :end 72 | @rem End local scope for the variables with windows NT shell 73 | if "%ERRORLEVEL%"=="0" goto mainEnd 74 | 75 | :fail 76 | rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of 77 | rem the _cmd.exe /c_ return code! 78 | if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1 79 | exit /b 1 80 | 81 | :mainEnd 82 | if "%OS%"=="Windows_NT" endlocal 83 | 84 | :omega 85 | -------------------------------------------------------------------------------- /settings.gradle: -------------------------------------------------------------------------------- 1 | include ':app' 2 | --------------------------------------------------------------------------------