CameraActivity with Google ML KIT for decoding QR codes

client/android/build.gradle

@@ -2,7 +2,7 @@ apply plugin: 'com.github.ben-manes.versions'
 
 buildscript {
    ext{
-       kotlin_version = "1.4.30-M1"
+       kotlin_version = "1.7.22"
        //  for libwg
        appcompatVersion = '1.1.0'
        annotationsVersion = '1.0.1'
@@ -28,12 +28,6 @@ buildscript {
     }
 }
 
-repositories {
-    google()
-    jcenter()
-    mavenCentral()
-}
-
 apply plugin: 'com.android.application'
 apply plugin: 'kotlin-android'
 apply plugin: 'kotlin-android-extensions'
@@ -42,14 +36,34 @@ apply plugin: 'kotlin-kapt'
 
 dependencies {
     implementation fileTree(dir: 'libs', include: ['*.jar', '*.aar'])
-    implementation 'androidx.core:core-ktx:1.1.0'
+
+    implementation 'androidx.core:core-ktx:1.7.0'
+
+    implementation 'androidx.appcompat:appcompat:1.4.1'
+
     implementation "androidx.security:security-crypto:1.1.0-alpha03"
     implementation "androidx.security:security-identity-credential:1.0.0-alpha02"
+
     implementation "org.jetbrains.kotlinx:kotlinx-serialization-json:1.2.2"
     implementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:1.3.0"
     implementation "org.jetbrains.kotlinx:kotlinx-coroutines-core:1.3.0"
+
     coreLibraryDesugaring "com.android.tools:desugar_jdk_libs:1.1.5"
+
     implementation project(path: ':shadowsocks')
+
+    // CameraX core library using the camera2 implementation
+    def camerax_version = "1.2.1"
+    implementation("androidx.camera:camera-core:${camerax_version}")
+    implementation("androidx.camera:camera-camera2:${camerax_version}")
+    implementation("androidx.camera:camera-lifecycle:${camerax_version}")
+    implementation("androidx.camera:camera-view:${camerax_version}")
+    implementation("androidx.camera:camera-extensions:${camerax_version}")
+
+    def camerax_ml_version = "1.2.0-beta02"
+    def ml_kit_version = "17.0.3"
+    implementation("androidx.camera:camera-mlkit-vision:${camerax_ml_version}")
+    implementation("com.google.mlkit:barcode-scanning:${ml_kit_version}")
 }
 
 androidExtensions {