init method
Fetches synchronous metadata from the native side. Must be awaited before NxtChartPage is built.
Implementation
Future<void> init() async {
_symbolInfo = await _data.invokeMethod<String>('symbolInfo') ?? '{}';
_underlyingSymbolInfo = await _data.invokeMethod<String>(
'underlyingSymbolInfo',
);
_optionSymbols = await _data.invokeMethod<String>('optionSymbols') ?? '[]';
_futureSymbols = await _data.invokeMethod<String>('futureSymbols');
_indexSymbols = await _data.invokeMethod<String>('indexSymbols');
_marketTiming = await _data.invokeMethod<String>('marketTiming') ?? '{}';
_hasOCO = await _data.invokeMethod<bool>('hasOCO') ?? false;
_storageKey = await _data.invokeMethod<String>('storageKey') ?? 'default';
}