Android app rework using Kotlin and more modern approach

android/.gitignore

@@ -1,13 +1,22 @@
 *.iml
 .gradle
 /local.properties
+/.idea/caches
 /.idea/libraries
 /.idea/modules.xml
 /.idea/workspace.xml
+/.idea/navEditor.xml
+/.idea/assetWizardSettings.xml
+/.idea/androidTestResultsUserPreferences.xml
+/.idea/deploymentTargetSelector.xml
 .DS_Store
 /build
 /captures
 .externalNativeBuild
+.cxx
+.kotlin
+
 
 /.gradle/
 /.idea/
+

android/app/build.gradle.kts

@@ -0,0 +1,66 @@
+plugins {
+    alias(libs.plugins.android.application)
+    alias(libs.plugins.kotlin.android)
+}
+
+android {
+
+    defaultConfig {
+        applicationId = "org.tensorflow.lite.examples"
+        minSdk = 23
+        compileSdk = 35
+        targetSdk = 35
+        versionCode = 1
+        versionName = "1.0"
+    }
+
+    buildTypes {
+        release {
+            isMinifyEnabled = false
+            proguardFiles(getDefaultProguardFile("proguard-android.txt"), "proguard-rules.pro")
+        }
+    }
+
+    buildFeatures {
+        viewBinding = true
+    }
+
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_21
+        targetCompatibility = JavaVersion.VERSION_21
+    }
+    lint {
+        abortOnError = false
+    }
+    namespace = "org.tensorflow.lite.examples.detector"
+
+}
+
+dependencies {
+    implementation(fileTree(mapOf("dir" to "libs", "include" to listOf("*.jar"))))
+    implementation(project(":detector"))
+
+    implementation(libs.kotlinx.coroutines.android)
+
+    implementation(libs.androidx.camera2)
+    implementation(libs.androidx.cameraLifecycle)
+    implementation(libs.androidx.cameraView)
+
+    implementation(libs.androidx.appcompat)
+    implementation(libs.androidx.coordinatorLayout)
+    implementation(libs.androidx.constraintLayout)
+    implementation(libs.androidx.lifecycleRuntimeKtx)
+    implementation(libs.androidx.lifecycleViewModelKtx)
+    implementation(libs.androidx.activityKtx)
+
+    implementation(libs.android.material)
+    implementation(libs.google.gson)
+
+    // Uncomment if you want to enable memory leak detection
+//    implementation(libs.squareup.leakCanary)
+
+    androidTestImplementation(libs.androidx.test.extJunit)
+    androidTestImplementation(libs.androidx.test.extJunitKtx)
+    androidTestImplementation(libs.google.truth)
+
+}

android/app/proguard-rules.pro

@@ -1,6 +1,6 @@
 # Add project specific ProGuard rules here.
 # You can control the set of applied configuration files using the
-# proguardFiles setting in build.gradle.
+# proguardFiles setting in build.gradle.kts.
 #
 # For more details, see
 #   http://developer.android.com/guide/developing/tools/proguard.html

android/app/src/androidTest/java/AndroidManifest.xml

@@ -1,5 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
-<manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="org.tensorflow.lite.examples.detection">
+<manifest package="org.tensorflow.lite.examples.detector">
   <uses-sdk />
 </manifest>