startFlexibleUpdate static method
Starts the download of the app update.
Throws a PlatformException if the download fails. When the returned Future is completed without any errors, completeFlexibleUpdate can be called to install the update.
checkForUpdate has to be called first to be able to run this.
Implementation
static Future<void> startFlexibleUpdate() async {
return await _channel.invokeMethod('startFlexibleUpdate');
}