Bootstrap

android/.project

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+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>android_</name>
+	<comment>Project android_ created by Buildship.</comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.buildship.core.gradleprojectbuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.buildship.core.gradleprojectnature</nature>
+	</natures>
+</projectDescription>

android/.settings/org.eclipse.buildship.core.prefs

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+arguments=
+auto.sync=false
+build.scans.enabled=false
+connection.gradle.distribution=GRADLE_DISTRIBUTION(VERSION(6.0))
+connection.project.dir=
+eclipse.preferences.version=1
+gradle.user.home=
+java.home=/Library/Java/JavaVirtualMachines/jdk1.8.0_144.jdk/Contents/Home
+jvm.arguments=
+offline.mode=false
+override.workspace.settings=true
+show.console.view=true
+show.executions.view=true

android/build.gradle

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+buildscript {
+  // Buildscript is evaluated before everything else so we can't use getExtOrDefault
+  def kotlin_version = rootProject.ext.has('kotlinVersion') ? rootProject.ext.get('kotlinVersion') : project.properties['VisionCamera_kotlinVersion']
+
+  repositories {
+    google()
+    jcenter()
+  }
+
+  dependencies {
+    classpath 'com.android.tools.build:gradle:3.2.1'
+    // noinspection DifferentKotlinGradleVersion
+    classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
+  }
+}
+
+apply plugin: 'com.android.library'
+apply plugin: 'kotlin-android'
+
+def getExtOrDefault(name) {
+  return rootProject.ext.has(name) ? rootProject.ext.get(name) : project.properties['VisionCamera_' + name]
+}
+
+def getExtOrIntegerDefault(name) {
+  return rootProject.ext.has(name) ? rootProject.ext.get(name) : (project.properties['VisionCamera_' + name]).toInteger()
+}
+
+android {
+  compileSdkVersion getExtOrIntegerDefault('compileSdkVersion')
+  buildToolsVersion getExtOrDefault('buildToolsVersion')
+  defaultConfig {
+    minSdkVersion 16
+    targetSdkVersion getExtOrIntegerDefault('targetSdkVersion')
+    versionCode 1
+    versionName "1.0"
+    
+  }
+  
+  buildTypes {
+    release {
+      minifyEnabled false
+    }
+  }
+  lintOptions {
+    disable 'GradleCompatible'
+  }
+  compileOptions {
+    sourceCompatibility JavaVersion.VERSION_1_8
+    targetCompatibility JavaVersion.VERSION_1_8
+  }
+}
+
+repositories {
+  mavenCentral()
+  jcenter()
+  google()
+
+  def found = false
+  def defaultDir = null
+  def androidSourcesName = 'React Native sources'
+
+  if (rootProject.ext.has('reactNativeAndroidRoot')) {
+    defaultDir = rootProject.ext.get('reactNativeAndroidRoot')
+  } else {
+    defaultDir = new File(
+            projectDir,
+            '/../../../node_modules/react-native/android'
+    )
+  }
+
+  if (defaultDir.exists()) {
+    maven {
+      url defaultDir.toString()
+      name androidSourcesName
+    }
+
+    logger.info(":${project.name}:reactNativeAndroidRoot ${defaultDir.canonicalPath}")
+    found = true
+  } else {
+    def parentDir = rootProject.projectDir
+
+    1.upto(5, {
+      if (found) return true
+      parentDir = parentDir.parentFile
+
+      def androidSourcesDir = new File(
+              parentDir,
+              'node_modules/react-native'
+      )
+
+      def androidPrebuiltBinaryDir = new File(
+              parentDir,
+              'node_modules/react-native/android'
+      )
+
+      if (androidPrebuiltBinaryDir.exists()) {
+        maven {
+          url androidPrebuiltBinaryDir.toString()
+          name androidSourcesName
+        }
+
+        logger.info(":${project.name}:reactNativeAndroidRoot ${androidPrebuiltBinaryDir.canonicalPath}")
+        found = true
+      } else if (androidSourcesDir.exists()) {
+        maven {
+          url androidSourcesDir.toString()
+          name androidSourcesName
+        }
+
+        logger.info(":${project.name}:reactNativeAndroidRoot ${androidSourcesDir.canonicalPath}")
+        found = true
+      }
+    })
+  }
+
+  if (!found) {
+    throw new GradleException(
+            "${project.name}: unable to locate React Native android sources. " +
+                    "Ensure you have you installed React Native as a dependency in your project and try again."
+    )
+  }
+}
+
+def kotlin_version = getExtOrDefault('kotlinVersion')
+
+dependencies {
+  // noinspection GradleDynamicVersion
+  api 'com.facebook.react:react-native:+'
+  implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
+}

android/gradle.properties

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+VisionCamera_kotlinVersion=1.3.50
+VisionCamera_compileSdkVersion=29
+VisionCamera_buildToolsVersion=29.0.2
+VisionCamera_targetSdkVersion=29

android/src/main/AndroidManifest.xml

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+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+          package="com.reactnativevisioncamera">
+
+</manifest>

android/src/main/java/com/reactnativevisioncamera/VisionCameraModule.kt

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+package com.reactnativevisioncamera
+
+import com.facebook.react.bridge.ReactApplicationContext
+import com.facebook.react.bridge.ReactContextBaseJavaModule
+import com.facebook.react.bridge.ReactMethod
+import com.facebook.react.bridge.Promise
+
+class VisionCameraModule(reactContext: ReactApplicationContext) : ReactContextBaseJavaModule(reactContext) {
+
+    override fun getName(): String {
+        return "VisionCamera"
+    }
+
+    // Example method
+    // See https://reactnative.dev/docs/native-modules-android
+    @ReactMethod
+    fun multiply(a: Int, b: Int, promise: Promise) {
+    
+      promise.resolve(a * b)
+    
+    }
+
+    
+}

android/src/main/java/com/reactnativevisioncamera/VisionCameraPackage.kt

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+package com.reactnativevisioncamera
+
+import com.facebook.react.ReactPackage
+import com.facebook.react.bridge.NativeModule
+import com.facebook.react.bridge.ReactApplicationContext
+import com.facebook.react.uimanager.ViewManager
+
+
+class VisionCameraPackage : ReactPackage {
+    override fun createNativeModules(reactContext: ReactApplicationContext): List<NativeModule> {
+        return listOf(VisionCameraModule(reactContext))
+    }
+
+    override fun createViewManagers(reactContext: ReactApplicationContext): List<ViewManager<*, *>> {
+        return emptyList()
+    }
+}