import 'dart:io';

),
      shape: new CircleBorder(),
      elevation: 2.0,
      fillColor: pressAttention ? Colors.transparent: Colors.white54,
      padding: const EdgeInsets.all(15.0),
    ),
  ),
);

);
});

if (controller.value.isRecordingVideo) {
  return null;
}
final Directory appDirectory = await getApplicationDocumentsDirectory();
final String videoDirectory = '${appDirectory.path}/Videos';
await Directory(videoDirectory).create(recursive: true);
final String currentTime = DateTime
    .now()
    .millisecondsSinceEpoch
    .toString();
final String filePath = '$videoDirectory/$currentTime.mp4';
try {
  await controller.startVideoRecording(filePath);
  videoPath = filePath;
} on CameraException catch (e) {
  _showCameraException(e);
  return null;
}
return filePath;