com.dff.cordova.plugin.camera.views

Class CameraPreview

java.lang.Object

com.dff.cordova.plugin.camera.views.CameraPreview

All Implemented Interfaces:

android.view.SurfaceHolder.Callback

public class CameraPreview
extends java.lang.Object
implements android.view.SurfaceHolder.Callback

Class to preview the camera.

Since:

2.2.2017

Constructor Summary

Constructors

Constructor and Description
CameraPreview(android.content.Context context, java.lang.Boolean withPreview, android.widget.ImageButton flashButton, android.widget.ImageButton captureImage, android.widget.ImageButton flipCamera) Custom constructor

Method Summary

Modifier and Type	Method and Description
void	doTouchFocus(android.graphics.Rect focusRect) Called from PreviewSurfaceView to set touch focus.
int	getCameraID() Get the camera id in order to prepare additional information concerning the camera using the CameraInfoHelper class.
void	onOrientationChanged(int orientation) Change the orientation of the picture that will be shot by the camera
void	releaseCamera() Release the camera if it not equal to null.
void	surfaceChanged(android.view.SurfaceHolder surfaceHolder, int i, int i1, int i2) Start preview with new settings.
void	surfaceCreated(android.view.SurfaceHolder surfaceHolder) Try to open the camera when the surface is created.
void	surfaceDestroyed(android.view.SurfaceHolder surfaceHolder) Try to release the camera when the surface is destroyed.

Methods inherited from class java.lang.Object

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

Constructor Detail

CameraPreview

public CameraPreview(android.content.Context context,
                     java.lang.Boolean withPreview,
                     android.widget.ImageButton flashButton,
                     android.widget.ImageButton captureImage,
                     android.widget.ImageButton flipCamera)

Custom constructor

Parameters:

context -

flashButton -

captureImage -

flipCamera -

Method Detail

getCameraID

public int getCameraID()

Get the camera id in order to prepare additional information concerning the camera using the CameraInfoHelper class.

Returns:

- the id of the opened camera

surfaceCreated

public void surfaceCreated(android.view.SurfaceHolder surfaceHolder)

Try to open the camera when the surface is created.

Specified by:

surfaceCreated in interface android.view.SurfaceHolder.Callback

Parameters:

surfaceHolder - - the assigned surface holder.

surfaceChanged

public void surfaceChanged(android.view.SurfaceHolder surfaceHolder,
                           int i,
                           int i1,
                           int i2)

Start preview with new settings.

Specified by:

surfaceChanged in interface android.view.SurfaceHolder.Callback

Parameters:

surfaceHolder -

i -

i1 -

i2 -

surfaceDestroyed

public void surfaceDestroyed(android.view.SurfaceHolder surfaceHolder)

Try to release the camera when the surface is destroyed.

Specified by:

surfaceDestroyed in interface android.view.SurfaceHolder.Callback

Parameters:

surfaceHolder - - the assigned surfaceholder

doTouchFocus

public void doTouchFocus(android.graphics.Rect focusRect)

Called from PreviewSurfaceView to set touch focus.

Parameters:

focusRect - - new area for auto focus

releaseCamera

public void releaseCamera()

Release the camera if it not equal to null.

onOrientationChanged

public void onOrientationChanged(int orientation)

Change the orientation of the picture that will be shot by the camera

Parameters:

orientation - - the current orientation