How to fix wrong rotation of photo from camera in flutter?
I'm taking a photo with the newest camera plugin version and I'm using code from flutter example. This is how I pick a camera: final cameras = await availableCameras(); final firstCamera = cameras.first; This is inside init: _cameraController = CameraController( widget.camera, ResolutionPreset.medium, enableAudio: false, );
dart - Switching Camera Aspect Ratio in Flutter - Stack Overflow
2022年4月28日 · How do we switch the camera preview aspect ratio in Flutter? I would like to switch be able to switch from 1:1, 4:3, and 16:9 aspect ratio I am using this Camera plugin but it doesn't seem to have a
How to implement Tap To Focus in Flutter Camera Plugin?
2021年8月31日 · See the official Api documention here for learn about method and camera functions. The method need a point to focus. The x,y point have to be > 0 and < 1 where 0 is top left point of the camera and 1 the bottom right. Then you have to retrieve your camera size and create proportions. Here is a full sample code that you can copy and run
How to select the only front-facing camera on Flutter
2020年6月2日 · final cameras = await availableCameras(); //get list of available cameras final frontCam = cameras[1]; //get the front camera and do what you want Share Improve this answer
flutter - How to wait for camera to initialize? - Stack Overflow
2020年7月11日 · class PicturePreview extends StatefulWidget { final CameraDescription camera; const PicturePreview(this.camera, {Key key}) : super(key: key); @override _PicturePreviewState createState() => _PicturePreviewState(); } Then passed the …
Flutter - How correctly pause camera when user moved to other …
2019年7月17日 · Suppose the camera controller for an instance of the camera package is defined as such: List<CameraDescription> cameras = []; controller = CameraController( cameras[0], ResolutionPreset.high, enableAudio: false, ); This can be used to pause the camera: controller.pausePreview(); This can be used to resume the camera: controller.resumePreview();
How to square crop a Flutter camera preview - Stack Overflow
2018年7月15日 · One thing with Flutter is that making a child overflow its parent is usually impossible (because of the way the widgets size is computed during the layout phase). The use of Transform.scale is crucial here, because according to the doc:
Zoom camera in Flutter - Stack Overflow
2020年2月27日 · Flutter has added zoom support as of Camera version 0.6.2. You can use cameraController.setZoomLevel(4.0); in your code to adjust the zoom level. There are also other helpful functions, such as cameraControl.getMaxZoomLevel(); to find the limits for the zoom level.
How do I set the resolution in Flutter's Camera package
2021年8月9日 · I'm working on a flutter app that is using the Camera package's camera preview. I'm initializing the camera controller like so: final controller = CameraController( _cameras[0], ResolutionPreset.ultraHigh, enableAudio: false, imageFormatGroup: ImageFormatGroup.bgra8888, ); The ResolutionPreset enum has these options:
dart - Flutter camera appears stretched - Stack Overflow
2018年4月20日 · @CRICH I haven't touched this in a long time and I don't know how the camera package behaves nowadays but I guess you could get the height of the safeArea region, use it to calculate the real aspect ratio of the screen (something like width/(height + safeArea height)) and then calculate the required scale. sorry, this is all just out of my head, a theory