//Here is the example for dummy surface view.
public void takePictureNoPreview(Context context) {
// open back facing camera by default
Camera myCamera=
Camera.open();
if(myCamera!=
null) {
try {
//set camera parameters if you want to
//...
// here, the unused surface view and holder
SurfaceView dummy=
new SurfaceView(context)
myCamera.setPreviewDisplay(dummy.getHolder());
myCamera.startPreview();
myCamera.takePicture(null,
null, getJpegCallback()):
}
finally {
myCamera.close();
}
} else {
//booo, failed!
}
private PictureCallback getJpegCallback() {
PictureCallback jpeg=
new PictureCallback() {
@Override
public void onPictureTaken(
byte[] data, Camera camera) {
FileOutputStream fos;
try {
fos =
new FileOutputStream("test.jpeg"
);
fos.write(data);
fos.close();
} catch (IOException e) {
//do something about it
}
}
};
}
}
//Selecting front facing camera.
private Camera openFrontFacingCameraGingerbread() {
int cameraCount = 0
;
Camera cam =
null;
Camera.CameraInfo cameraInfo =
new Camera.CameraInfo();
cameraCount =
Camera.getNumberOfCameras();
for (
int camIdx = 0; camIdx < cameraCount; camIdx++
) {
Camera.getCameraInfo( camIdx, cameraInfo );
if ( cameraInfo.facing ==
Camera.CameraInfo.CAMERA_FACING_FRONT ) {
try {
cam =
Camera.open( camIdx );
} catch (RuntimeException e) {
Log.e(TAG, "Camera failed to open: " +
e.getLocalizedMessage());
}
}
}
return cam;
}
转载于:https://www.cnblogs.com/Blessing/archive/2012/09/07/2674468.html
