public class CustomListView extends ArrayAdapter<String> {
private ArrayList<String> symbolName;
private ArrayList<String> imgId;
private ArrayList<String> symbolDesc;
private Activity context;
InputStream inputStream;
ByteArrayOutputStream byteArrayOutputStream;
int ctr;
/*
Custom list view should contain separate arrays of each element from the JSON. I.E. the names should be parsed into one array, image ids into another
 */

public CustomListView(@NonNull Activity context, ArrayList<String> symbolName, ArrayList<String> symbolDesc, ArrayList<String> imgId) throws IOException {
    super(context, R.layout.list_item);
    this.context = context;
    this.symbolName = symbolName;
    this.symbolDesc = symbolDesc;
    this.imgId = imgId;

}

class ViewHolder {
    TextView text1;
    TextView text2;
    ImageView image;

    ViewHolder(View v) {
        text1 = (TextView) v.findViewById(R.id.symbol_name);
        text2 = (TextView) v.findViewById(R.id.symbol_desc);
        image = (ImageView) v.findViewById(R.id.symbol_icon);
    }
}
@NonNull
@Override
public View getView(int position, @Nullable View convertView, @NonNull ViewGroup parent) {
    Log.v("PassingeSymbols", symbolName.toString());
    View r = convertView;
    ViewHolder viewHolder = null;

    if (r == null) {
        LayoutInflater layoutInflater = context.getLayoutInflater();
        r = layoutInflater.inflate(R.layout.list_item, null, true);
        viewHolder = new ViewHolder(r);
        r.setTag(viewHolder);
    } else {
        viewHolder = (ViewHolder) r.getTag();
    }
    //viewHolder.image.setImageResource(imgId.get(position));
    viewHolder.text1.setText(symbolName.get(position));
    viewHolder.text2.setText(symbolName.get(position));
    return r;

}

class SymbolsActivity : SimpleActivity() {
internal val allSymbols: ArrayList<ArrayList<String>> = ArrayList<ArrayList<String>>()
internal var symbolNameArr: ArrayList<String> = ArrayList<String>()
internal var symbolDescArr: ArrayList<String> = ArrayList<String>()
internal var imgIdArr:      ArrayList<String> = ArrayList<String>()


override fun onCreate(savedInstanceState: Bundle?) {
    super.onCreate(savedInstanceState)
    setContentView(R.layout.activity_symbols)

    var lst: ListView = findViewById<ListView>(R.id.symbols_holder)
    lst.adapter

    //TODO BUILD SYMBOL ARRAY
    val allSymbols: ArrayList<ArrayList<String>> = loadSymbols()


    if (allSymbols != null) {
        for (i in allSymbols.indices) {
            symbolNameArr.add(allSymbols.get(i).get(0))
            symbolDescArr.add(allSymbols.get(i).get(1))
            imgIdArr.add(allSymbols.get(i).get(2))
        }
    }
    Log.v("Symbols", symbolNameArr.toString())


    var customListView = CustomListView(this, symbolNameArr, symbolDescArr, imgIdArr)
    lst.adapter = customListView;

}
override fun onResume() {
    super.onResume()
}




@Throws(IOException::class)
fun loadSymbols(): ArrayList<ArrayList<String>> {
    val res = getResources()
    val `is` = res.openRawResource(R.raw.symbols)
    val sc = Scanner(`is`)
    val builder = StringBuilder()
    while (sc.hasNextLine()) {
        builder.append(sc.nextLine())
    }

    return parseJson(builder.toString())
}

private fun parseJson(s: String): ArrayList<ArrayList<String>> {

    val symbolsArr = ArrayList<ArrayList<String>>()

    try {

        val root = JSONObject(s)
        val symbolsJson = root.getJSONArray("symbols")
        for (i in 0 until symbolsJson.length()) {
            val singleSymbol = ArrayList<String>()
            val symbolObj = symbolsJson.getJSONObject(i)
            singleSymbol.add(symbolObj.getString("symbol_name"))
            singleSymbol.add(symbolObj.getString("symbol_desc"))
            singleSymbol.add(symbolObj.getString("symbol_img"))


            symbolsArr.add(singleSymbol)
        }
    } catch (e: JSONException) {
        e.printStackTrace()
    }

    return symbolsArr
}