Flutter Camera Overlay

Question

I\'ve been doing some research for an upcoming project and would like to render the camera view behind a custom shape/semi-transparent img to act as a guide when taking pict

Answer 1

Please visit this repo. This example uses the camera plugin.

new AspectRatio(
  aspectRatio: controller.value.aspectRatio,
  child: Container(
    child: Stack(
      children: [
        CameraPreview(controller),
        Align(
          alignment: Alignment.bottomCenter,
          child: Container(
            width: double.infinity,
            height: 120.0,
            padding: EdgeInsets.all(20.0),
            color: Color.fromRGBO(00, 00, 00, 0.7),
            child: Stack(
              children: [
                Align(
                  alignment: Alignment.center,
                  child: Material(
                    color: Colors.transparent,
                    child: InkWell(
                      borderRadius: BorderRadius.all(Radius.circular(50.0)),
                      onTap: () {
                        _captureImage();
                      },
                      child: Container(
                        padding: EdgeInsets.all(4.0),
                        child: Image.asset(
                          'assets/images/ic_shutter_1.png',
                          width: 72.0,
                          height: 72.0,
                        ),
                      ),
                    ),
                  ),
                ),
                Align(
                  alignment: Alignment.centerRight,
                  child: Material(
                    color: Colors.transparent,
                    child: InkWell(
                      borderRadius: BorderRadius.all(Radius.circular(50.0)),
                      onTap: () {
                        if (!_toggleCamera) {
                          onCameraSelected(widget.cameras[1]);
                          setState(() {
                            _toggleCamera = true;
                          });
                        } else {
                          onCameraSelected(widget.cameras[0]);
                          setState(() {
                            _toggleCamera = false;
                          });
                        }
                      },
                      child: Container(
                        padding: EdgeInsets.all(4.0),
                        child: Image.asset(
                          'assets/images/ic_switch_camera_3.png',
                          color: Colors.grey[200],
                          width: 42.0,
                          height: 42.0,
                        ),
                      ),
                    ),
                  ),
                ),
              ],
            ),
          ),
        ),
      ],
    ),
  ),
);

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