Realm-exportDatabase.kt

@Throws(Exception::class)
fun Realm.exportDatabase(context: Context) {
    val path = "${Environment.getExternalStorageDirectory().path}/${this.configuration.realmFileName}"
    val file = File(path)
    if (file.exists()) {
        file.delete()
    }
    this.writeCopyTo(file)
    this.close()
    val uri = FileProvider.getUriForFile(context, BuildConfig.APPLICATION_ID + ".provider", file)
    val name = context.packageManager.getApplicationLabel(context.applicationInfo)
    val intent = Intent(Intent.ACTION_SEND).apply {
        type = "text/plain"
        putExtra(Intent.EXTRA_SUBJECT, "Realm export for \"$name\"")
        putExtra(Intent.EXTRA_STREAM, uri)
        addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION)
    }
    context.startActivity(intent)
    this.close()
}