feat: Add androidPreviewViewType prop

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

@@ -20,10 +20,12 @@ import com.mrousavy.camera.types.CameraDeviceFormat
 import com.mrousavy.camera.types.CodeScannerOptions
 import com.mrousavy.camera.types.Orientation
 import com.mrousavy.camera.types.PixelFormat
+import com.mrousavy.camera.types.PreviewViewType
 import com.mrousavy.camera.types.QualityBalance
 import com.mrousavy.camera.types.ResizeMode
 import com.mrousavy.camera.types.Torch
 import com.mrousavy.camera.types.VideoStabilizationMode
+import com.mrousavy.camera.utils.runOnUiThread
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
@@ -74,6 +76,11 @@ class CameraView(context: Context) :
   var zoom: Float = 1f // in "factor"
   var exposure: Double = 1.0
   var orientation: Orientation = Orientation.PORTRAIT
+  var androidPreviewViewType: PreviewViewType = PreviewViewType.SURFACE_VIEW
+    set(value) {
+      field = value
+      updatePreviewType()
+    }
   var enableZoomGesture = false
     set(value) {
       field = value
@@ -102,7 +109,7 @@ class CameraView(context: Context) :
   internal val cameraSession: CameraSession
   internal var frameProcessor: FrameProcessor? = null
   internal val previewView: PreviewView
-  private var previewSurfaceProvider: SurfaceProvider
+  private val previewSurfaceProvider: SurfaceProvider
   private var currentConfigureCall: Long = System.currentTimeMillis()
 
   // other
@@ -255,6 +262,13 @@ class CameraView(context: Context) :
     }
   }
 
+  private fun updatePreviewType() {
+    runOnUiThread {
+      previewView.implementationMode = androidPreviewViewType.toPreviewImplementationMode()
+      update()
+    }
+  }
+
   override fun onFrame(frame: Frame) {
     frameProcessor?.call(frame)
 

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

@@ -9,6 +9,7 @@ import com.mrousavy.camera.types.CameraDeviceFormat
 import com.mrousavy.camera.types.CodeScannerOptions
 import com.mrousavy.camera.types.Orientation
 import com.mrousavy.camera.types.PixelFormat
+import com.mrousavy.camera.types.PreviewViewType
 import com.mrousavy.camera.types.QualityBalance
 import com.mrousavy.camera.types.ResizeMode
 import com.mrousavy.camera.types.Torch
@@ -134,6 +135,16 @@ class CameraViewManager : ViewGroupManager<CameraView>() {
     }
   }
 
+  @ReactProp(name = "androidPreviewViewType")
+  fun setAndroidPreviewViewType(view: CameraView, androidPreviewViewType: String?) {
+    if (androidPreviewViewType != null) {
+      val newMode = PreviewViewType.fromUnionValue(androidPreviewViewType)
+      view.androidPreviewViewType = newMode
+    } else {
+      view.androidPreviewViewType = PreviewViewType.SURFACE_VIEW
+    }
+  }
+
   // TODO: Change when TurboModules release.
   // We're treating -1 as "null" here, because when I make the fps parameter
   // of type "Int?" the react bridge throws an error.

package/android/src/main/java/com/mrousavy/camera/types/PreviewViewType.kt

@@ -0,0 +1,24 @@
+package com.mrousavy.camera.types
+
+import androidx.camera.view.PreviewView
+import com.mrousavy.camera.core.InvalidTypeScriptUnionError
+
+enum class PreviewViewType(override val unionValue: String) : JSUnionValue {
+  SURFACE_VIEW("surface-view"),
+  TEXTURE_VIEW("texture-view");
+
+  fun toPreviewImplementationMode(): PreviewView.ImplementationMode =
+    when (this) {
+      SURFACE_VIEW -> PreviewView.ImplementationMode.PERFORMANCE
+      TEXTURE_VIEW -> PreviewView.ImplementationMode.COMPATIBLE
+    }
+
+  companion object : JSUnionValue.Companion<PreviewViewType> {
+    override fun fromUnionValue(unionValue: String?): PreviewViewType =
+      when (unionValue) {
+        "surface-view" -> SURFACE_VIEW
+        "texture-view" -> TEXTURE_VIEW
+        else -> throw InvalidTypeScriptUnionError("androidPreviewViewType", unionValue)
+      }
+  }
+}