public void lockToLandscape(boolean enable) {
if (enable) {
getActivity().setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE);
onOrientationChange.enable();
} else {
getActivity().setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED);
onOrientationChange.disable();
}
}
@TargetApi(Build.VERSION_CODES.ICE_CREAM_SANDWICH)
public void onResume() {
addView(previewStrategy.getWidget());
if (camera == null) {
cameraId = getHost().getCameraId();
if (cameraId >= 0) {
try {
camera = Camera.open(cameraId);
if (getActivity().getRequestedOrientation()
!= ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED) {
onOrientationChange.enable();
}
setCameraDisplayOrientation();
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH
&& getHost() instanceof Camera.FaceDetectionListener) {
camera.setFaceDetectionListener((Camera.FaceDetectionListener) getHost());
}
} catch (Exception e) {
getHost().onCameraFail(FailureReason.UNKNOWN);
}
} else {
getHost().onCameraFail(FailureReason.NO_CAMERAS_REPORTED);
}
}
}
public void takePicture(final PictureTransaction xact) {
if (inPreview) {
if (isAutoFocusing) {
throw new IllegalStateException("Camera cannot take a picture while auto-focusing");
} else {
previewParams = camera.getParameters();
Camera.Parameters pictureParams = camera.getParameters();
Camera.Size pictureSize = xact.host.getPictureSize(xact, pictureParams);
pictureParams.setPictureSize(pictureSize.width, pictureSize.height);
pictureParams.setPictureFormat(ImageFormat.JPEG);
if (xact.flashMode != null) {
pictureParams.setFlashMode(xact.flashMode);
}
if (!onOrientationChange.isEnabled()) {
setCameraPictureOrientation(pictureParams);
}
camera.setParameters(xact.host.adjustPictureParameters(xact, pictureParams));
xact.cameraView = this;
postDelayed(
new Runnable() {
@Override
public void run() {
try {
camera.takePicture(xact, null, new PictureTransactionCallback(xact));
} catch (Exception e) {
android.util.Log.e(getClass().getSimpleName(), "Exception taking a picture", e);
// TODO get this out to library clients
}
}
},
xact.host.getDeviceProfile().getPictureDelay());
inPreview = false;
}
} else {
throw new IllegalStateException(
"Preview mode must have started before you can take a picture");
}
}
