Capture Image from camera or pick from gallery

captureorpickimage.kt

import android.Manifest
import android.os.Bundle
import android.support.v4.app.Fragment
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import kotlinx.android.synthetic.main.addcare_addphoto_fragment.*
import android.content.Intent
import android.content.pm.PackageManager
import android.widget.Toast
import android.graphics.Bitmap
import android.app.Activity
import android.support.v4.app.ActivityCompat
import android.support.v4.content.ContextCompat

import android.app.AlertDialog
import android.graphics.BitmapFactory
import android.provider.MediaStore





class AddCare_AddPhoto_Fragment : Fragment(){

    private val CAMERA_REQUEST = 1888
    private val GALLERY_REQUEST = 1889

    private val MY_CAMERA_PERMISSION_CODE = 100

    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
        return inflater.inflate(R.layout.addcare_addphoto_fragment,container,false)
    }

    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
        super.onViewCreated(view, savedInstanceState)

        add_photo.setOnClickListener {

            if(ContextCompat.checkSelfPermission
                    (activity!!,android.Manifest.permission.CAMERA)!= PackageManager.PERMISSION_GRANTED
                || ContextCompat.checkSelfPermission
                    (activity!!,android.Manifest.permission.WRITE_EXTERNAL_STORAGE)!= PackageManager.PERMISSION_GRANTED)
            {
                ActivityCompat.requestPermissions(
                    (activity!!),
                    arrayOf(
                        android.Manifest.permission.CAMERA,
                        android.Manifest.permission.WRITE_EXTERNAL_STORAGE
                    ),11
                )

                showPictureDialog()
            }else{
                showPictureDialog()
            }

        }

    }


    private fun showPictureDialog()
    {
        val pictureDialog = AlertDialog.Builder(context)
        pictureDialog.setTitle("Select Action")
        val pictureDialogItems = arrayOf("Select photo from gallery", "Capture photo from camera")
        pictureDialog.setItems(pictureDialogItems
        ) { _, which ->
            when (which) {
                0 -> choosePhotoFromGallary()
                1 -> takePhotoFromCamera()
            }
        }
        pictureDialog.show()

    }

    private fun takePhotoFromCamera() {
        val intent = Intent(android.provider.MediaStore.ACTION_IMAGE_CAPTURE)
        startActivityForResult(intent, CAMERA_REQUEST)
    }

    private fun choosePhotoFromGallary() {
        val pickerPhotoIntent =
            Intent(Intent.ACTION_PICK, android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI)
        startActivityForResult(pickerPhotoIntent, CAMERA_REQUEST)
    }


    override fun onRequestPermissionsResult(requestCode: Int, permissions: Array<out String>, grantResults: IntArray) {
        super.onRequestPermissionsResult(requestCode, permissions, grantResults)
        if (requestCode == MY_CAMERA_PERMISSION_CODE) {
            if (grantResults[0] == PackageManager.PERMISSION_GRANTED) {
                Toast.makeText(context, "camera permission granted", Toast.LENGTH_LONG).show()
                val cameraIntent = Intent(android.provider.MediaStore.ACTION_IMAGE_CAPTURE)
                startActivityForResult(cameraIntent, CAMERA_REQUEST)
            } else {
                Toast.makeText(context, "camera permission denied", Toast.LENGTH_LONG).show()
            }
        }

    }

    override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
        super.onActivityResult(requestCode, resultCode, data)
        if (requestCode == CAMERA_REQUEST && resultCode == Activity.RESULT_OK) {
            val photo = data?.extras?.get("data") as Bitmap
            add_photo.setImageBitmap(photo)
        }else if(requestCode == GALLERY_REQUEST && resultCode == Activity.RESULT_OK) {
            val selectedImage = data?.data
            val filePathColumn = arrayOf(MediaStore.Images.Media.DATA)

            val cursor = activity?.contentResolver?.query(
                selectedImage!!,
                filePathColumn, null, null, null
            )
            cursor?.moveToFirst()

            val columnIndex = cursor?.getColumnIndex(filePathColumn[0])
            val picturePath = cursor?.getString(columnIndex!!)
            cursor?.close()
            add_photo.setImageBitmap(BitmapFactory.decodeFile(picturePath))
        }
    }
}