Face scan

[Akyarhsu]

private fun takePhotoAndDetectFace() {
previewView.bitmap?.let { bitmap ->
val image = InputImage.fromBitmap(bitmap, 0)
val detector = FaceDetection.getClient(FaceDetectorOptions.Builder()
.setPerformanceMode(FaceDetectorOptions.PERFORMANCE_MODE_FAST)
.build())

    detector.process(image)
        .addOnSuccessListener { faces ->
            if(faces.isNotEmpty()) {
                val score = calculateScore(faces[0])
                showResult(score)
            } else {
                Toast.makeText(this, "No face detected!", Toast.LENGTH_SHORT).show()
            }
        }
        .addOnFailureListener { e ->
            e.printStackTrace()
        }
}

}

private fun calculateScore(face: Face): Int {
val smileProb = face.smilingProbability ?: 0.5f
return (smileProb * 100).toInt() // approximation
}

private fun showResult(score: Int) {
val message = when(score) {
in 80..100 -> "ရုပ်ချော! 🌟"
in 50..79 -> "ရုပ်ရည်အသင့် 🙂"
else -> "ရုပ်ဆိုး 😅"
}
AlertDialog.Builder(this)
.setTitle("Your Score: $score")
.setMessage(message)
.setPositiveButton("OK", null)
.show()
}