changCamera method
Implementation
Future<void> changCamera() async {
defaultPanel();
_backCamera = _cameras.where((element) => element.lensDirection.name == 'back').toList();
_fontCamera = _cameras.where((element) => element.lensDirection.name == 'front').toList();
if (_current!.lensDirection.name == 'back') {
_current = fontCamera.first;
} else {
_current = backCamera.first;
}
_initCamera();
}