private void UpdateCameraAspect()
{
try
{
Android.Hardware.Camera.Parameters camParams = camera.GetParameters();
Android.Hardware.Camera.CameraInfo info = new Android.Hardware.Camera.CameraInfo();
Android.Hardware.Camera.GetCameraInfo((int)Android.Hardware.CameraFacing.Back, info);
Android.Hardware.Camera.Size size = GetOptimalPreviewSize(camParams.SupportedPreviewSizes, width, height);
camParams.SetPreviewSize(size.Width, size.Height);
int rotation = (info.Orientation + 360) % 360;
camParams.SetRotation(rotation);
if (camParams.SupportedFocusModes.Contains(Android.Hardware.Camera.Parameters.FocusModeContinuousPicture))
{
camParams.FocusMode = Android.Hardware.Camera.Parameters.FocusModeContinuousPicture;
}
camera.SetParameters(camParams);
}
catch (System.Exception e)
{
System.Console.WriteLine(e.Message);
}
}
//初始化相机
private void initCamera()
{
mCamera.StopPreview();
if (null != mCamera)
{
Android.Hardware.Camera.Parameters myParam = mCamera.GetParameters();
//设置大小和方向等参数
myParam.SetPreviewSize(1280, 720);
myParam.SetPictureSize(640, 480);
myParam.SetRotation(90);
myParam.Set("iso", 100);
myParam.Set("jpeg-quality", 100);
myParam.Zoom = 14;
mCamera.SetDisplayOrientation(90);
mCamera.SetParameters(myParam);
mCamera.StartPreview();
//mCamera.SetPreviewCallback (this);
}
}
