android.hardware.CameraDevice

[Mr Android]

android.hardware
public class
android.hardware.CameraDevice

java.lang.Object

android.hardware.CameraDevice


The CameraDevice class is used to open/release the camera driver, set image parameters and capture a preview frame (320*240 pixels) or a full-resolution image (1280*1024 pixels). This class does not have any public constructors. However, calling the static method open() will return a CameraDevice object. To get a frame/picture, follow these steps:

• open() the driver. Open will return null if it fails.
• Set the image parameters (using setCaptureParams(CameraDevice.CaptureParams)). Look at CameraDevice.CaptureParams class for details.
• Capture (capture(Canvas)) an image with a Canvas object. Note that the Bitmap in the Canvas object must already have enough space allocated for the frame/image.
• If you are shooting preview, then you would want to call capture(Canvas) several times. It's not necessary to set parameters after each capture(Canvas) if the parameters are the same.
• Finally, close() the driver.

Detail info: http://code.google.com/android/refer...eraDevice.html

Portions of this page are reproduced from work created and shared by Google and used according to terms described in the Creative Commons 2.5 Attribution License.

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