fix: Fix PreviewView being stretched (#2519)

* fix: Fix Preview stretching

* feat: Keep screen on on Android

* Add test code for race condition

* fix: Fix preview stretching by awaiting SurfaceHolder resizing (`setFixedSize`)  before configuring Camera

* Format

* Update SurfaceHolder+resize.kt

* Update CameraPage.tsx

package/android/src/main/java/com/mrousavy/camera/extensions/CameraCharacteristics+getPreviewSize.kt

@@ -9,7 +9,7 @@ fun getMaximumPreviewSize(): Size {
   // See https://developer.android.com/reference/android/hardware/camera2/params/StreamConfigurationMap
   // According to the Android Developer documentation, PREVIEW streams can have a resolution
   // of up to the phone's display's resolution, with a maximum of 1920x1080.
-  val display1080p = Size(1080, 1920)
+  val display1080p = Size(1920, 1080)
   val displaySize = Size(
     Resources.getSystem().displayMetrics.widthPixels,
     Resources.getSystem().displayMetrics.heightPixels

package/android/src/main/java/com/mrousavy/camera/extensions/SurfaceHolder+resize.kt

@@ -0,0 +1,32 @@
+package com.mrousavy.camera.extensions
+
+import android.view.SurfaceHolder
+import androidx.annotation.UiThread
+import kotlin.coroutines.resume
+import kotlinx.coroutines.suspendCancellableCoroutine
+
+@UiThread
+suspend fun SurfaceHolder.resize(width: Int, height: Int) {
+  return suspendCancellableCoroutine { continuation ->
+    val currentSize = this.surfaceFrame
+    if (currentSize.width() == width && currentSize.height() == height) {
+      // Already in target size
+      continuation.resume(Unit)
+      return@suspendCancellableCoroutine
+    }
+
+    val callback = object : SurfaceHolder.Callback {
+      override fun surfaceCreated(holder: SurfaceHolder) = Unit
+      override fun surfaceChanged(holder: SurfaceHolder, format: Int, width: Int, height: Int) {
+        holder.removeCallback(this)
+        continuation.resume(Unit)
+      }
+      override fun surfaceDestroyed(holder: SurfaceHolder) {
+        holder.removeCallback(this)
+        continuation.cancel(Error("Tried to resize SurfaceView, but Surface has been destroyed!"))
+      }
+    }
+    this.addCallback(callback)
+    this.setFixedSize(width, height)
+  }
+}