multiple upload android

gistfile1.txt

package tigaer.inventory

import android.content.Intent
import android.os.Bundle
import android.support.v7.app.AppCompatActivity
import android.view.View
import kotlinx.android.synthetic.main.upload_motif_activity.*
import android.provider.MediaStore
import android.graphics.Bitmap
import android.net.Uri
import android.os.Build
import android.support.annotation.RequiresApi
import java.io.IOException

class UploadMotifActivity : AppCompatActivity() {

    private val PICK_IMAGE_MULTIPLE = 1

    private var bitmap: Bitmap? = null

    private var filePath: Uri? = null

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.upload_motif_activity)
        btnAddPhots.setOnClickListener(View.OnClickListener { test() })
    }

    public fun test(){
        val i = Intent()
        i.type = "image/*"
        i.putExtra(Intent.EXTRA_ALLOW_MULTIPLE, true)
        i.action = Intent.ACTION_GET_CONTENT
        startActivityForResult(
                Intent.createChooser(i, "android.intent.action.SEND_MULTIPLE"), 1)
    }

    @RequiresApi(Build.VERSION_CODES.JELLY_BEAN)
    override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent) {
        super.onActivityResult(requestCode, resultCode, data)

        var cd = data.clipData

        if (cd != null) {
            for (i in 0..(cd.itemCount - 1)) {
                filePath = cd.getItemAt(i).uri
            }
        } else {
            filePath = data.data
        }

        try {
            bitmap = MediaStore.Images.Media.getBitmap(contentResolver, filePath)
            imageView.setImageBitmap(bitmap)

        } catch (e: IOException) {
            e.printStackTrace()
        }

        textView2.text = filePath.toString()
    }

}