Fetch Gallery Images and Returning URLs

FetchGalleryImages.md

Fetch Gallery Images and Returning URLs

open class Photo(val url: String)

fun Activity.getGalleryImages(): ArrayList<Photo> {
    val galleryImageUrls: ArrayList<GalleryPickerFragment.Photo> = ArrayList()
    val columns = arrayOf(MediaStore.Images.Media.DATA, MediaStore.Images.Media._ID)
    val orderBy = MediaStore.Images.Media.DATE_TAKEN

    val imageCursor = this.contentResolver.query(
            MediaStore.Images.Media.EXTERNAL_CONTENT_URI,
            columns,
            null,
            null,
            "$orderBy DESC"
    )

    for (position in 0 until imageCursor.count) {
        imageCursor.moveToPosition(position)
        galleryImageUrls.add(
                Photo(imageCursor.getString(imageCursor.getColumnIndex(MediaStore.Images.Media.DATA)))
        )
    }

    imageCursor.close()
    return galleryImageUrls
}