Check auto rotation get image from camera and rotate to real orientation example

BitmapImageRotation.kt

import android.graphics.Bitmap
import android.graphics.Matrix
import android.media.ExifInterface

object BitmapImageRotation {
    fun getRotatedImage(path: String, bitmap: Bitmap): Bitmap {
        val exifInterface = ExifInterface(path)
        return when (exifInterface.getAttributeInt(
            ExifInterface.TAG_ORIENTATION,
            ExifInterface.ORIENTATION_UNDEFINED
        )) {
            ExifInterface.ORIENTATION_ROTATE_90 -> {
                rotateImage(bitmap, 90f)
            }
            ExifInterface.ORIENTATION_ROTATE_180 -> {
                rotateImage(bitmap, 180f)
            }
            ExifInterface.ORIENTATION_ROTATE_270 -> {
                rotateImage(bitmap, 270f)
            }
            else -> {
                bitmap
            }
        }
    }

    private fun rotateImage(source: Bitmap, angle: Float): Bitmap {
        val matrix = Matrix()
        matrix.postRotate(angle)
        return Bitmap.createBitmap(source, 0, 0, source.width, source.height, matrix, true)
    }
}