dispose method
dispose all
Implementation
@override
Future<bool> dispose() async {
if (!_supportPlatform) return false;
await cameraEvent.dispose();
bool? state = await channel.invokeMethod<bool?>('dispose');
_cameraOptions = null;
_cameraFlash = null;
_cameraZoom = null;
if (_cameraZoom != null) super.dispose();
return state ?? false;
}