spam_classify_4.kt

private fun loadJSONFromAsset(filename : String? ): String? {
    var json: String? = null
    try {
        val inputStream = context!!.assets.open(filename )
        val size = inputStream.available()
        val buffer = ByteArray(size)
        inputStream.read(buffer)
        inputStream.close()
        json = String(buffer)
    }
    catch (ex: IOException) {
        ex.printStackTrace()
        return null
    }
    return json
}

val jsonObject = JSONObject( loadJSONFromAsset( "word_dict.json" ) )
val iterator : Iterator<String> = jsonObject.keys()
val data = HashMap< String , Int >()
while ( iterator.hasNext() ) {
    val key = iterator.next()
    data.put( key , jsonObject.get( key ) as Int )
}