switchFlashesButton method
The button to switch flash modes. 切换闪光灯模式的按钮
Implementation
Widget switchFlashesButton(CameraValue value) {
IconData icon;
switch (value.flashMode) {
case FlashMode.off:
icon = Icons.flash_off;
break;
case FlashMode.auto:
icon = Icons.flash_auto;
break;
case FlashMode.always:
case FlashMode.torch:
icon = Icons.flash_on;
break;
}
return IconButton(
onPressed: switchFlashesMode,
icon: Icon(icon, size: 24),
);
}