feat: Give V4 🫴

package/android/build.gradle

@@ -167,7 +167,18 @@ android {
 dependencies {
   //noinspection GradleDynamicVersion
   implementation "com.facebook.react:react-android:+"
-  implementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:1.7.3"
+
+  // CameraX dependency
+  def camerax_version = "1.3.1"
+  implementation "androidx.camera:camera-core:${camerax_version}"
+  implementation "androidx.camera:camera-camera2:${camerax_version}"
+  implementation "androidx.camera:camera-lifecycle:${camerax_version}"
+  implementation "androidx.camera:camera-video:${camerax_version}"
+  implementation "androidx.camera:camera-view:${camerax_version}"
+  implementation "androidx.camera:camera-extensions:${camerax_version}"
+
+  // Some Coroutines extension functions
+  implementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:1.8.0"
 
   if (enableCodeScanner) {
     // User enabled code-scanner, so we bundle the 2.4 MB model in the app.

package/android/src/main/java/com/mrousavy/camera/CameraView.kt

@@ -7,12 +7,12 @@ import android.util.Log
 import android.view.Gravity
 import android.view.ScaleGestureDetector
 import android.widget.FrameLayout
+import androidx.camera.view.PreviewView
 import com.google.mlkit.vision.barcode.common.Barcode
 import com.mrousavy.camera.core.CameraConfiguration
 import com.mrousavy.camera.core.CameraQueues
 import com.mrousavy.camera.core.CameraSession
 import com.mrousavy.camera.core.CodeScannerFrame
-import com.mrousavy.camera.core.PreviewView
 import com.mrousavy.camera.extensions.installHierarchyFitter
 import com.mrousavy.camera.frameprocessor.Frame
 import com.mrousavy.camera.frameprocessor.FrameProcessor
@@ -78,7 +78,7 @@ class CameraView(context: Context) :
     }
   var resizeMode: ResizeMode = ResizeMode.COVER
     set(value) {
-      previewView.resizeMode = value
+      previewView.scaleType = value.toScaleType()
       field = value
     }
   var enableFpsGraph = false
@@ -152,6 +152,9 @@ class CameraView(context: Context) :
         // Input Camera Device
         config.cameraId = cameraId
 
+        // Preview
+        config.preview = CameraConfiguration.Output.Enabled.create(CameraConfiguration.Preview(previewView.surfaceProvider))
+
         // Photo
         if (photo) {
           config.photo = CameraConfiguration.Output.Enabled.create(CameraConfiguration.Photo(photoHdr))

package/android/src/main/java/com/mrousavy/camera/core/CameraConfiguration.kt

@@ -1,6 +1,6 @@
 package com.mrousavy.camera.core
 
-import android.view.Surface
+import androidx.camera.core.Preview.SurfaceProvider
 import com.mrousavy.camera.types.CameraDeviceFormat
 import com.mrousavy.camera.types.CodeType
 import com.mrousavy.camera.types.Orientation
@@ -46,7 +46,7 @@ data class CameraConfiguration(
   data class Photo(val enableHdr: Boolean)
   data class Video(val enableHdr: Boolean, val pixelFormat: PixelFormat, val enableFrameProcessor: Boolean, val enableGpuBuffers: Boolean)
   data class Audio(val nothing: Unit)
-  data class Preview(val surface: Surface)
+  data class Preview(val surfaceProvider: SurfaceProvider)
 
   @Suppress("EqualsOrHashCode")
   sealed class Output<T> {