Example usage for android.content Context CAMERA

Introduction

In this page you can find the example usage for android.content Context CAMERA_SERVICE.

Prototype

String CAMERA_SERVICE

To view the source code for android.content Context CAMERA_SERVICE.

Click Source Link

Document

Use with #getSystemService(String) to retrieve a android.hardware.camera2.CameraManager for interacting with camera devices.

Usage

From source file:Main.java

/**
 * Returns {@code true} if this device only supports {@code LEGACY} mode operation in the
 * Camera2 API for the given camera ID./*from  w w  w. j a  v  a 2  s.c o m*/
 *
 * @param context {@link Context} to access the {@link CameraManager} in.
 * @param cameraId the ID of the camera device to check.
 * @return {@code true} if this device only supports {@code LEGACY} mode.
 */
public static boolean isLegacyHAL(Context context, int cameraId) throws Exception {
    CameraManager manager = (CameraManager) context.getSystemService(Context.CAMERA_SERVICE);
    CameraCharacteristics characteristics = manager.getCameraCharacteristics(Integer.toString(cameraId));

    return characteristics.get(
            CameraCharacteristics.INFO_SUPPORTED_HARDWARE_LEVEL) == CameraCharacteristics.INFO_SUPPORTED_HARDWARE_LEVEL_LEGACY;
}

From source file:MainActivity.java

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

    mButtonLights = (ToggleButton) findViewById(R.id.buttonLights);
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
        mCameraManager = (CameraManager) this.getSystemService(Context.CAMERA_SERVICE);
        mCameraId = getCameraId();/*from  ww w.  j a  v  a 2s.  c o m*/
        if (mCameraId == null) {
            mButtonLights.setEnabled(false);
        } else {
            mButtonLights.setEnabled(true);
        }
    } else {
        mButtonLights.setEnabled(false);
    }
}

From source file:MainActivity.java

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

    mButtonLight = (ToggleButton) findViewById(R.id.buttonLight);

    mCameraManager = (CameraManager) this.getSystemService(Context.CAMERA_SERVICE);
    mCameraId = getCameraId();//from w w  w .  ja va2 s  . c o m
    if (mCameraId == null) {
        mButtonLight.setEnabled(false);
    } else {
        mButtonLight.setEnabled(true);
    }
}

From source file:com.elkriefy.android.apps.torchi.MainActivity.java

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    torchMode = false;//from   w  ww . j a  v a2s .c  om
    manager = (CameraManager) getSystemService(Context.CAMERA_SERVICE);
    mTorchiCallback = new torchiCallback();

    FloatingActionButton button = (FloatingActionButton) findViewById(R.id.fab);
    button.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            toggleTorchMode();

        }
    });

}

From source file:com.pyamsoft.zaptorch.service.LollipopCamera.java

@CheckResult
@NonNull//w  w  w. j  a v a2s.c o m
static CameraManager setupCameraManager(final @NonNull Context context) {
    return (CameraManager) context.getApplicationContext().getSystemService(Context.CAMERA_SERVICE);
}

From source file:jp.co.fake.TryCatchRoman.presentation.view.camera2lib.Camera2StateMachine.java

public void open(Context activity, AutoFitTextureView textureView) {
    if (mState != null) {
        Log.d(TAG, "\"Alrady started state=\" : " + mState);
        return;//ww w.  j av  a  2 s . c o m
    } else {
        mContext = activity;
        mTextureView = textureView;
        mCameraManager = (CameraManager) activity.getSystemService(Context.CAMERA_SERVICE);
        nextState(mInitSurfaceState);
    }

}

From source file:jp.co.fake.TryCatchRoman.domain.usecase.camera.Camera2StateMachine.java

public void open(AutoFitTextureView textureView, Context context) {
    if (mState != null)
        throw new IllegalStateException("Alrady started state=" + mState);
    mContext = context;/*from   w ww  .j a  v a2s  . com*/
    mTextureView = textureView;
    mCameraManager = (CameraManager) mContext.getSystemService(Context.CAMERA_SERVICE);
    nextState(mInitSurfaceState);
}

From source file:com.example.lenny.barcodevison.ScanBarcodeActivity.java

@Override
protected void onCreate(@Nullable Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_scan_barcode);
    buttonFlash = (Button) findViewById(R.id.btnFlash);

    cameraPreview = (SurfaceView) findViewById(R.id.camera_preview);
    camManager = (CameraManager) getSystemService(Context.CAMERA_SERVICE);
    hasFlash = getApplicationContext().getPackageManager()
            .hasSystemFeature(PackageManager.FEATURE_CAMERA_FLASH);
    if (!hasFlash) {
        buttonFlash.setVisibility(View.INVISIBLE);
    } else {/*from  w w w  .  ja va  2  s.c  om*/

    }

    buttonFlash.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {

            if (!isFlashOn) {
                flashLightOn();
                buttonFlash.setText("FLASH\nOFF");
            } else {
                flashLightOff();
                buttonFlash.setText("FLASH\nON");
            }

        }
    });
    createCameraSource();
}

From source file:MainActivity.java

protected void takePicture(View view) {
    if (null == mCameraDevice) {
        return;//from   w w w. java  2  s.  c  o m
    }
    CameraManager manager = (CameraManager) getSystemService(Context.CAMERA_SERVICE);
    try {
        CameraCharacteristics characteristics = manager.getCameraCharacteristics(mCameraDevice.getId());
        StreamConfigurationMap configurationMap = characteristics
                .get(CameraCharacteristics.SCALER_STREAM_CONFIGURATION_MAP);
        if (configurationMap == null)
            return;
        Size largest = Collections.max(Arrays.asList(configurationMap.getOutputSizes(ImageFormat.JPEG)),
                new CompareSizesByArea());
        ImageReader reader = ImageReader.newInstance(largest.getWidth(), largest.getHeight(), ImageFormat.JPEG,
                1);
        List<Surface> outputSurfaces = new ArrayList<Surface>(2);
        outputSurfaces.add(reader.getSurface());
        outputSurfaces.add(new Surface(mTextureView.getSurfaceTexture()));
        final CaptureRequest.Builder captureBuilder = mCameraDevice
                .createCaptureRequest(CameraDevice.TEMPLATE_STILL_CAPTURE);
        captureBuilder.addTarget(reader.getSurface());
        captureBuilder.set(CaptureRequest.CONTROL_MODE, CameraMetadata.CONTROL_MODE_AUTO);
        ImageReader.OnImageAvailableListener readerListener = new ImageReader.OnImageAvailableListener() {
            @Override
            public void onImageAvailable(ImageReader reader) {
                Image image = null;
                try {
                    image = reader.acquireLatestImage();
                    ByteBuffer buffer = image.getPlanes()[0].getBuffer();
                    byte[] bytes = new byte[buffer.capacity()];
                    buffer.get(bytes);
                    OutputStream output = new FileOutputStream(getPictureFile());
                    output.write(bytes);
                    output.close();
                } catch (FileNotFoundException e) {
                    e.printStackTrace();
                } catch (IOException e) {
                    e.printStackTrace();
                } finally {
                    if (image != null) {
                        image.close();
                    }
                }
            }
        };
        HandlerThread thread = new HandlerThread("CameraPicture");
        thread.start();
        final Handler backgroudHandler = new Handler(thread.getLooper());
        reader.setOnImageAvailableListener(readerListener, backgroudHandler);
        final CameraCaptureSession.CaptureCallback captureCallback = new CameraCaptureSession.CaptureCallback() {
            @Override
            public void onCaptureCompleted(CameraCaptureSession session, CaptureRequest request,
                    TotalCaptureResult result) {
                super.onCaptureCompleted(session, request, result);
                Toast.makeText(MainActivity.this, "Picture Saved", Toast.LENGTH_SHORT).show();
                startPreview(session);
            }
        };
        mCameraDevice.createCaptureSession(outputSurfaces, new CameraCaptureSession.StateCallback() {
            @Override
            public void onConfigured(CameraCaptureSession session) {
                try {
                    session.capture(captureBuilder.build(), captureCallback, backgroudHandler);
                } catch (CameraAccessException e) {
                    e.printStackTrace();
                }
            }

            @Override
            public void onConfigureFailed(CameraCaptureSession session) {
            }
        }, backgroudHandler);
    } catch (CameraAccessException e) {
        e.printStackTrace();
    }
}

From source file:com.google.android.apps.watchme.StreamerActivity.java

private void setupCamera(int width, int height) {
    CameraManager cameraManager = (CameraManager) getSystemService(Context.CAMERA_SERVICE);
    try {/*ww w  . j a va 2  s .c o  m*/
        for (String cameraIDs : cameraManager.getCameraIdList()) {
            CameraCharacteristics cameraCharacteristics = cameraManager.getCameraCharacteristics(cameraIDs);
            if (cameraCharacteristics
                    .get(CameraCharacteristics.LENS_FACING) == CameraCharacteristics.LENS_FACING_FRONT) {
                continue;
            }
            StreamConfigurationMap map = cameraCharacteristics
                    .get(CameraCharacteristics.SCALER_STREAM_CONFIGURATION_MAP);
            //@edsonAndrade
            // Alike the camera api version of the app, I am forcing the app into the landscape mode
            int deviceOrientation = getWindowManager().getDefaultDisplay().getRotation();
            int totalRotation = sensorToDeeviceRotation(cameraCharacteristics, deviceOrientation);
            boolean swapRotation = totalRotation == 90 || totalRotation == 270;
            int rotatedWidth = width;
            int rotatedHeight = height;
            if (swapRotation) {
                rotatedHeight = width;
                rotatedWidth = height;
            }
            previewSize = chooseOptimalSize(map.getOutputSizes(SurfaceTexture.class), rotatedWidth,
                    rotatedHeight);
            cameraId = cameraIDs;
            return;
        }
    } catch (CameraAccessException e) {
        e.printStackTrace();
    }
}

Example usage for android.content Context CAMERA_SERVICE

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Usage