com.google.zxing.client.android.camera.open

类 OpenCameraInterface

java.lang.Object

com.google.zxing.client.android.camera.open.OpenCameraInterface

public final class OpenCameraInterface
extends java.lang.Object

Abstraction over the Camera API that helps open them and return their metadata.

字段概要

字段

限定符和类型	字段和说明
static int	NO_REQUESTED_CAMERA For open(int), means no preference for which camera to open.

方法概要

限定符和类型	方法和说明
static OpenCamera	open(int cameraId) Opens the requested camera with Camera.open(int), if one exists.

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

字段详细资料

NO_REQUESTED_CAMERA

public static final int NO_REQUESTED_CAMERA

For open(int), means no preference for which camera to open.

另请参阅:

常量字段值

方法详细资料

open

public static OpenCamera open(int cameraId)

Opens the requested camera with Camera.open(int), if one exists.

参数:

cameraId - camera ID of the camera to use. A negative value or NO_REQUESTED_CAMERA means "no preference", in which case a rear-facing camera is returned if possible or else any camera

返回:

handle to OpenCamera that was opened