public void SurfaceChanged(ISurfaceHolder holder, [GeneratedEnum] Format format, int width, int height)
{
if (_holder.Surface == null)
{
return;
}
try
{
_camera.StopPreview();
}
catch (Exception ex)
{
string message = ex.Message;
}
if (_previewSize != null)
{
try
{
Android.Hardware.Camera.Parameters parameters = _camera.GetParameters();
parameters.SetPreviewSize(_previewSize.Width, _previewSize.Height);
parameters.SetPictureSize(_picSize.Width, _picSize.Height);
_camera.SetParameters(parameters);
_camera.SetPreviewDisplay(_holder);
}
catch (Exception ex)
{
throw;
}
}
Android.App.Activity activity = _context as Android.App.Activity;
if (activity != null)
{
int orientation = CameraHelper.GetCameraDisplayOrientation(activity, _cameraId, displayRotation);
_camera.SetDisplayOrientation(orientation);
}
try
{
Parameters parameters = _camera.GetParameters();
foreach (var previewSize in _camera.GetParameters().SupportedPreviewSizes)
{
// if the size is suitable for you, use it and exit the loop.
parameters.SetPreviewSize(previewSize.Width, previewSize.Height);
break;
}
_camera.SetParameters(parameters);
_camera.SetPreviewDisplay(_holder);
_camera.StartPreview();
}
catch (Exception ex)
{
Log.Debug(Tag.ToString(), "Error starting camera preview: " + ex.Message);
}
}
public void SurfaceChanged(ISurfaceHolder holder, [GeneratedEnum] Format format, int width, int height)
{
Camera.Parameters parameters = Parent.camera.GetParameters();
Camera.Size size = Parent.GetBestPreviewSize(width, height,
parameters);
if (size != null)
{
parameters.SetPreviewSize(size.Width, size.Height);
parameters.SetPictureSize(size.Width, size.Height);
parameters.SetRotation(90);
parameters.FocusMode = Camera.Parameters.FocusModeContinuousPicture;
Parent.camera.SetParameters(parameters);
Parent.camera.StartPreview();
Parent.inPreview = true;
}
}
public void SurfaceChanged(ISurfaceHolder holder, [GeneratedEnum] Format format, int width, int height)
{
if (holder.Surface == null)
{
return;
}
try
{
camera.StopPreview();
}
catch (Exception e)
{
Log.Debug("Exception", e.Message);
return;
}
try
{
//FrameLayout layout = (FrameLayout)FindViewById(Resource.Id.frame);
//ViewGroup.LayoutParams parms = layout.LayoutParameters;
//parms.Height = 960;
//parms.Width = 1280;
//parms.Height = 1440;
//parms.Width = 1920;
//layout.LayoutParameters = parms;
Display display = WindowManager.DefaultDisplay;
Point size = new Point();
display.GetSize(size);
int displayWidth = size.X;
int displayHeight = size.Y;
// resolution of desktop viewer is 640x480
scaleX = Convert.ToInt32(displayWidth / 640);
scaleY = Convert.ToInt32(displayHeight / 480);
//Configration Camera Parameter(full-size)
Android.Hardware.Camera.Parameters parameters = camera.GetParameters();
Android.Hardware.Camera.Size bestPreviewSize = GetBestPreviewSize(width, height, parameters);
parameters.SetPictureSize(320, 240);
//parameters.SetPreviewSize(bestPreviewSize.Width, bestPreviewSize.Height);
parameters.SetPreviewSize(320, 240);
parameters.PreviewFormat = Android.Graphics.ImageFormatType.Nv21;// ImageFormat.Nv21;
parameters.FocusMode = Android.Hardware.Camera.Parameters.FocusModeContinuousPicture;
camera.SetParameters(parameters);
camera.SetPreviewDisplay(holder);
camera.SetPreviewCallback(this);
camera.StartPreview();
}
catch (Exception e)
{
Log.Debug("Exception", e.Message);
}
}
