@TargetApi(Build.VERSION_CODES.LOLLIPOP)
public static void openCamera(CameraDevice.StateCallback stateCallback)
throws CameraAccessException {
Context context_holder = ApplicationContextProvider.getContext();
CameraManager manager = (CameraManager) context_holder.getSystemService(Context.CAMERA_SERVICE);
try {
String cameraId = manager.getCameraIdList()[0];
CameraCharacteristics characteristics = manager.getCameraCharacteristics(cameraId);
StreamConfigurationMap map =
characteristics.get(CameraCharacteristics.SCALER_STREAM_CONFIGURATION_MAP);
assert map != null;
manager.openCamera(cameraId, stateCallback, null);
} catch (CameraAccessException e) {
e.printStackTrace();
}
try {
Thread.sleep(100);
} catch (InterruptedException e) {
}
;
Log.e("camera", "Sleep, re-try");
}
@Override
protected void setUp() throws Exception {
super.setUp();
mContext = getActivity();
assertNotNull("Unable to get activity", mContext);
mCameraManager = (CameraManager) mContext.getSystemService(Context.CAMERA_SERVICE);
assertNotNull("Unable to get CameraManager", mCameraManager);
mCameraIds = mCameraManager.getCameraIdList();
assertNotNull("Unable to get camera ids", mCameraIds);
mHandlerThread = new HandlerThread(TAG);
mHandlerThread.start();
mHandler = new Handler(mHandlerThread.getLooper());
mCameraListener = new BlockingStateCallback();
Camera2MultiViewCtsActivity activity = (Camera2MultiViewCtsActivity) mContext;
mTextureView[0] = activity.getTextureView(0);
mTextureView[1] = activity.getTextureView(1);
assertNotNull("Unable to get texture view", mTextureView);
mCameraIdMap = new HashMap<String, Integer>();
int numCameras = mCameraIds.length;
mCameraHolders = new CameraHolder[numCameras];
for (int i = 0; i < numCameras; i++) {
mCameraHolders[i] = new CameraHolder(mCameraIds[i]);
mCameraIdMap.put(mCameraIds[i], i);
}
mWindowManager = (WindowManager) mContext.getSystemService(Context.WINDOW_SERVICE);
}
@Override
protected void onResume() {
super.onResume();
CameraManager manager = (CameraManager) this.getSystemService(Context.CAMERA_SERVICE);
if (manager == null) {
showToast(R.string.no_camera_manager);
} else {
try {
mCameraIds = manager.getCameraIdList();
boolean allCamerasAreLegacy = true;
for (String id : mCameraIds) {
CameraCharacteristics characteristics = manager.getCameraCharacteristics(id);
if (characteristics.get(CameraCharacteristics.INFO_SUPPORTED_HARDWARE_LEVEL)
!= CameraCharacteristics.INFO_SUPPORTED_HARDWARE_LEVEL_LEGACY) {
allCamerasAreLegacy = false;
break;
}
}
if (allCamerasAreLegacy) {
showToast(R.string.all_legacy_devices);
getPassButton().setEnabled(false);
}
} catch (CameraAccessException e) {
Toast.makeText(
ItsTestActivity.this,
"Received error from camera service while checking device capabilities: " + e,
Toast.LENGTH_SHORT)
.show();
}
IntentFilter filter = new IntentFilter(ACTION_ITS_RESULT);
registerReceiver(mSuccessReceiver, filter);
}
}
private void caracteristicasCamera(
int width, int height) { // metodo responsavel por atribuir as caracteristicas das cameras
try {
for (String cameraId : manager.getCameraIdList()) {
CameraCharacteristics characteristics = manager.getCameraCharacteristics(cameraId);
StreamConfigurationMap map =
characteristics.get(CameraCharacteristics.SCALER_STREAM_CONFIGURATION_MAP);
if (map == null) {
continue;
}
// serve para atribuir o tamanho da imagem
Size largest =
Collections.max(
Arrays.asList(map.getOutputSizes(ImageFormat.JPEG)), new CompareSizesByArea());
imageReader =
ImageReader.newInstance(
largest.getWidth(), largest.getHeight(), ImageFormat.JPEG, /*maxImages*/ 2);
imageReader.setOnImageAvailableListener(mOnImageAvailableListener, backgroundHandler);
// textureView.setAspectRatio(
// previewSize.getHeight(), previewSize.getWidth());
return;
}
} catch (CameraAccessException e) {
e.printStackTrace();
} catch (NullPointerException e) {
informaErro
.newInstance(getString(R.string.camera_error))
.show(getChildFragmentManager(), FRAGMENT_DIALOG);
}
}
/**
* Sets up member variables related to camera.
*
* @param width The width of available size for camera preview
* @param height The height of available size for camera preview
*/
private void setUpCameraOutputs(final int width, final int height) {
final Activity activity = getActivity();
final CameraManager manager = (CameraManager) activity.getSystemService(Context.CAMERA_SERVICE);
try {
for (final String cameraId : manager.getCameraIdList()) {
final CameraCharacteristics characteristics = manager.getCameraCharacteristics(cameraId);
// We don't use a front facing camera in this sample.
final Integer facing = characteristics.get(CameraCharacteristics.LENS_FACING);
if (facing != null && facing == CameraCharacteristics.LENS_FACING_FRONT) {
continue;
}
final StreamConfigurationMap map =
characteristics.get(CameraCharacteristics.SCALER_STREAM_CONFIGURATION_MAP);
if (map == null) {
continue;
}
// For still image captures, we use the largest available size.
final Size largest =
Collections.max(
Arrays.asList(map.getOutputSizes(ImageFormat.YUV_420_888)),
new CompareSizesByArea());
sensorOrientation = characteristics.get(CameraCharacteristics.SENSOR_ORIENTATION);
// Danger, W.R.! Attempting to use too large a preview size could exceed the camera
// bus' bandwidth limitation, resulting in gorgeous previews but the storage of
// garbage capture data.
previewSize =
chooseOptimalSize(
map.getOutputSizes(SurfaceTexture.class), inputSize, inputSize, largest);
// We fit the aspect ratio of TextureView to the size of preview we picked.
final int orientation = getResources().getConfiguration().orientation;
if (orientation == Configuration.ORIENTATION_LANDSCAPE) {
textureView.setAspectRatio(previewSize.getWidth(), previewSize.getHeight());
} else {
textureView.setAspectRatio(previewSize.getHeight(), previewSize.getWidth());
}
CameraConnectionFragment.this.cameraId = cameraId;
cameraConnectionCallback.onPreviewSizeChosen(previewSize, sensorOrientation);
return;
}
} catch (final CameraAccessException e) {
LOGGER.e(e, "Exception!");
} catch (final NullPointerException e) {
// Currently an NPE is thrown when the Camera2API is used but not supported on the
// device this code runs.
ErrorDialog.newInstance(getString(R.string.camera_error))
.show(getChildFragmentManager(), FRAGMENT_DIALOG);
}
}
/**
* Sets up member variables related to camera.
*
* @param width The width of available size for camera preview
* @param height The height of available size for camera preview
*/
private void setUpCameraOutputs(String strCameraId, int width, int height) {
Activity activity = getActivity();
CameraManager manager = (CameraManager) activity.getSystemService(Context.CAMERA_SERVICE);
try {
for (String cameraId : manager.getCameraIdList()) {
if (!cameraId.equalsIgnoreCase(strCameraId)) continue;
CameraCharacteristics characteristics = manager.getCameraCharacteristics(cameraId);
// We don't use a front facing camera in this sample.
Integer facing = characteristics.get(CameraCharacteristics.LENS_FACING);
if (facing != null && facing == CameraCharacteristics.LENS_FACING_FRONT) {
// continue;
}
StreamConfigurationMap map =
characteristics.get(CameraCharacteristics.SCALER_STREAM_CONFIGURATION_MAP);
if (map == null) {
continue;
}
// For still image captures, we use the largest available size.
Size largest =
Collections.max(
Arrays.asList(map.getOutputSizes(ImageFormat.JPEG)), new CompareSizesByArea());
mImageReader =
ImageReader.newInstance(
largest.getWidth(), largest.getHeight(), ImageFormat.JPEG, /*maxImages*/ 2);
mImageReader.setOnImageAvailableListener(mOnImageAvailableListener, mBackgroundHandler);
// Danger, W.R.! Attempting to use too large a preview size could exceed the camera
// bus' bandwidth limitation, resulting in gorgeous previews but the storage of
// garbage capture data.
mPreviewSize =
chooseOptimalSize(map.getOutputSizes(SurfaceTexture.class), width, height, largest);
// We fit the aspect ratio of TextureView to the size of preview we picked.
int orientation = getResources().getConfiguration().orientation;
if (orientation == Configuration.ORIENTATION_LANDSCAPE) {
mTextureView.setAspectRatio(mPreviewSize.getWidth(), mPreviewSize.getHeight());
} else {
mTextureView.setAspectRatio(mPreviewSize.getHeight(), mPreviewSize.getWidth());
}
mCameraId = cameraId;
return;
}
} catch (CameraAccessException e) {
e.printStackTrace();
} catch (NullPointerException e) {
// Currently an NPE is thrown when the Camera2API is used but not supported on the
// device this code runs.
ErrorDialog.newInstance(getString(R.string.camera_error))
.show(getChildFragmentManager(), FRAGMENT_DIALOG);
}
}
private String getCameraId() throws CameraAccessException {
String[] ids = mCameraManager.getCameraIdList();
for (String id : ids) {
CameraCharacteristics c = mCameraManager.getCameraCharacteristics(id);
Boolean flashAvailable = c.get(CameraCharacteristics.FLASH_INFO_AVAILABLE);
Integer lensFacing = c.get(CameraCharacteristics.LENS_FACING);
if (flashAvailable != null
&& flashAvailable
&& lensFacing != null
&& lensFacing == CameraCharacteristics.LENS_FACING_BACK) {
return id;
}
}
return null;
}
private void setupCamera(int width, int height) {
try {
if (!mCameraOpenCloseLock.tryAcquire(2500, TimeUnit.MILLISECONDS)) {
throw new RuntimeException("Time out waiting to lock camera opening.");
}
for (String cameraId : cameraManager.getCameraIdList()) {
CameraCharacteristics characteristics = cameraManager.getCameraCharacteristics(cameraId);
if ((characteristics.get(CameraCharacteristics.LENS_FACING))
.equals(CameraCharacteristics.LENS_FACING_BACK)) {
StreamConfigurationMap configMap =
characteristics.get(CameraCharacteristics.SCALER_STREAM_CONFIGURATION_MAP);
Size largestImageSize =
Collections.max(
Arrays.asList(configMap.getOutputSizes(ImageFormat.YUV_420_888)),
new Comparator<Size>() {
@Override
public int compare(Size lhs, Size rhs) {
return Long.signum(
lhs.getWidth() * lhs.getWidth() - rhs.getHeight() * rhs.getWidth());
// return 0;
}
});
imgReader =
ImageReader.newInstance(
largestImageSize.getWidth(),
largestImageSize.getHeight(),
ImageFormat.YUV_420_888,
60 * 600);
imgReader.setOnImageAvailableListener(barcodeChecker, mHandler);
prefferedBufferSize =
getBestSize(configMap.getOutputSizes(SurfaceTexture.class), width, height);
mCameraId = cameraId;
return;
}
}
} catch (Exception e) {
e.printStackTrace();
}
}
/**
* Sets up member variables related to camera.
*
* @param width The width of available size for camera preview
* @param height The height of available size for camera preview
*/
private void setUpCameraOutputs(int width, int height) {
Activity activity = getActivity();
CameraManager manager = (CameraManager) activity.getSystemService(Context.CAMERA_SERVICE);
try {
for (String cameraId : manager.getCameraIdList()) {
CameraCharacteristics characteristics = manager.getCameraCharacteristics(cameraId);
// We don't use a front facing camera in this sample.
Integer facing = characteristics.get(CameraCharacteristics.LENS_FACING);
if (facing != null && facing == CameraCharacteristics.LENS_FACING_FRONT) {
continue;
}
StreamConfigurationMap map =
characteristics.get(CameraCharacteristics.SCALER_STREAM_CONFIGURATION_MAP);
if (map == null) {
continue;
}
// For still image captures, we use the largest available size.
Size largest =
Collections.max(
Arrays.asList(map.getOutputSizes(ImageFormat.JPEG)), new CompareSizesByArea());
mImageReader =
ImageReader.newInstance(
largest.getWidth(), largest.getHeight(), ImageFormat.JPEG, /*maxImages*/ 2);
mImageReader.setOnImageAvailableListener(mOnImageAvailableListener, mBackgroundHandler);
// Find out if we need to swap dimension to get the preview size relative to sensor
// coordinate.
int displayRotation = activity.getWindowManager().getDefaultDisplay().getRotation();
//noinspection ConstantConditions
mSensorOrientation = characteristics.get(CameraCharacteristics.SENSOR_ORIENTATION);
boolean swappedDimensions = false;
switch (displayRotation) {
case Surface.ROTATION_0:
case Surface.ROTATION_180:
if (mSensorOrientation == 90 || mSensorOrientation == 270) {
swappedDimensions = true;
}
break;
case Surface.ROTATION_90:
case Surface.ROTATION_270:
if (mSensorOrientation == 0 || mSensorOrientation == 180) {
swappedDimensions = true;
}
break;
default:
Log.e(TAG, "Display rotation is invalid: " + displayRotation);
}
Point displaySize = new Point();
activity.getWindowManager().getDefaultDisplay().getSize(displaySize);
int rotatedPreviewWidth = width;
int rotatedPreviewHeight = height;
int maxPreviewWidth = displaySize.x;
int maxPreviewHeight = displaySize.y;
if (swappedDimensions) {
rotatedPreviewWidth = height;
rotatedPreviewHeight = width;
maxPreviewWidth = displaySize.y;
maxPreviewHeight = displaySize.x;
}
if (maxPreviewWidth > MAX_PREVIEW_WIDTH) {
maxPreviewWidth = MAX_PREVIEW_WIDTH;
}
if (maxPreviewHeight > MAX_PREVIEW_HEIGHT) {
maxPreviewHeight = MAX_PREVIEW_HEIGHT;
}
// Danger, W.R.! Attempting to use too large a preview size could exceed the camera
// bus' bandwidth limitation, resulting in gorgeous previews but the storage of
// garbage capture data.
mPreviewSize =
chooseOptimalSize(
map.getOutputSizes(SurfaceTexture.class),
rotatedPreviewWidth,
rotatedPreviewHeight,
maxPreviewWidth,
maxPreviewHeight,
largest);
// We fit the aspect ratio of TextureView to the size of preview we picked.
int orientation = getResources().getConfiguration().orientation;
if (orientation == Configuration.ORIENTATION_LANDSCAPE) {
mTextureView.setAspectRatio(mPreviewSize.getWidth(), mPreviewSize.getHeight());
} else {
mTextureView.setAspectRatio(mPreviewSize.getHeight(), mPreviewSize.getWidth());
}
// Check if the flash is supported.
Boolean available = characteristics.get(CameraCharacteristics.FLASH_INFO_AVAILABLE);
mFlashSupported = available == null ? false : available;
mCameraId = cameraId;
return;
}
} catch (CameraAccessException e) {
e.printStackTrace();
} catch (NullPointerException e) {
// Currently an NPE is thrown when the Camera2API is used but not supported on the
// device this code runs.
ErrorDialog.newInstance(getString(R.string.camera_error))
.show(getChildFragmentManager(), FRAGMENT_DIALOG);
}
}
private void verificaCameras() throws CameraAccessException { // verifica as
Activity activity = getActivity();
CameraManager manager = (CameraManager) activity.getSystemService(Context.CAMERA_SERVICE);
idCameras = manager.getCameraIdList();
}
@Override
public View onCreateView(
LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
// Inflate the layout for this fragment
View myView = inflater.inflate(R.layout.fragment_cam2, container, false);
preview = (FrameLayout) myView.findViewById(R.id.camera2_preview);
// we have to pass the camera id that we want to use to the surfaceview
CameraManager manager = (CameraManager) getActivity().getSystemService(Context.CAMERA_SERVICE);
try {
String cameraId = manager.getCameraIdList()[0];
mPreview = new Camera2Preview(getActivity().getApplicationContext(), cameraId);
preview.addView(mPreview);
} catch (CameraAccessException e) {
Log.v(TAG, "Failed to get a camera ID!");
e.printStackTrace();
}
// Add a listener to the Capture button
btn_takepicture = (Button) myView.findViewById(R.id.btn_takepicture);
btn_takepicture.setOnClickListener(
new View.OnClickListener() {
@Override
public void onClick(View v) {
if (mCapture
== null) // While I would like the declare this earlier, the camara is not setup
// yet, so wait until now.
mCapture = new Camera2CapturePic(getActivity().getApplicationContext(), mPreview);
// get an image from the camera
if (mCapture.reader != null) { // I'm sure it's setup correctly if reader is not null.
mCapture.TakePicture(getOutputMediaFile(MEDIA_TYPE_IMAGE));
}
}
});
btn_takevideo = (Button) myView.findViewById(R.id.btn_takevideo);
btn_takevideo.setOnClickListener(
new View.OnClickListener() {
@Override
public void onClick(View v) {
if (mVideo
== null) // While I would like the declare this earlier, the camara is not setup
// yet, so wait until now.
mVideo = new Camera2CaptureVid((AppCompatActivity) getActivity(), mPreview);
if (mIsRecordingVideo == false) { // about to take a video
mIsRecordingVideo = true;
btn_takevideo.setText("Stop Recording");
mVideo.startRecordingVideo(getOutputMediaFile(MEDIA_TYPE_VIDEO));
} else {
mVideo.stopRecordingVideo();
mIsRecordingVideo = false;
btn_takevideo.setText("Start Recording");
}
}
});
// and add video when I know how to do it.
return myView;
}