MainActivity.kt

 val policy = StrictMode.ThreadPolicy.Builder().permitAll().build()
 StrictMode.setThreadPolicy(policy)

 MLApplication.getInstance().apiKey = ""

        val adapterTo = ArrayAdapter(this, android.R.layout.simple_spinner_item, toLanguageList)
        toSpinner.adapter = adapterTo
                toSpinner.onItemSelectedListener = object :
            AdapterView.OnItemSelectedListener {
            override fun onItemSelected(parent: AdapterView<*>, view: View, position: Int, id: Long) {
                languageCode=setLanguage(toLanguageList[position])
                if(isEntered){
                    detectedText?.let { detectAndTranslateLanguage(it, txt_translation,
                        languageCode!!,applicationContext
                    ) }
                }

            }

            override fun onNothingSelected(parent: AdapterView<*>) {
            }
        }

        take_picture_icon.setOnClickListener {
            if (checkSelfPermission(Manifest.permission.CAMERA) != PackageManager.PERMISSION_GRANTED) {
                requestPermissions(arrayOf(Manifest.permission.CAMERA), myCameraRequestCode)
            } else {
                val intent = Intent(MediaStore.ACTION_IMAGE_CAPTURE)
                startActivityForResult(intent, 100)
            }
        }

        pick_image_icon.setOnClickListener {
            if (checkSelfPermission(Manifest.permission.READ_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED) {
                requestPermissions(
                    arrayOf(Manifest.permission.READ_EXTERNAL_STORAGE),
                    myStorageRequestCode
                )
            } else {
                val intent = Intent(
                    Intent.ACTION_PICK,
                    MediaStore.Images.Media.EXTERNAL_CONTENT_URI
                )
                startActivityForResult(intent, 200)
            }

        }