Java Code Examples for android.hardware.Camera#Parameters

The following examples show how to use android.hardware.Camera#Parameters . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example 1

Source File: CameraSource.java From android-vision with Apache License 2.0

6 votes

/**
 * Sets the flash mode.
 *
 * @param mode flash mode.
 * @return {@code true} if the flash mode is set, {@code false} otherwise
 * @see #getFlashMode()
 */
public boolean setFlashMode(@FlashMode String mode) {
    synchronized (cameraLock) {
        if (camera != null && mode != null) {
            Camera.Parameters parameters = camera.getParameters();
            if (parameters.getSupportedFlashModes().contains(mode)) {
                parameters.setFlashMode(mode);
                camera.setParameters(parameters);
                flashMode = mode;
                return true;
            }
        }

        return false;
    }
}

Example 2

Source File: CameraPreview.java From cordova-plugin-camera-preview with MIT License

6 votes

private boolean getSupportedColorEffects(CallbackContext callbackContext) {
  if(this.hasCamera(callbackContext) == false){
    return true;
  }

  Camera camera = fragment.getCamera();
  Camera.Parameters params = camera.getParameters();
  List<String> supportedColors;
  supportedColors = params.getSupportedColorEffects();
  JSONArray jsonColorEffects = new JSONArray();

  if (supportedColors != null) {
    for (int i=0; i<supportedColors.size(); i++) {
        jsonColorEffects.put(new String(supportedColors.get(i)));
    }
  }

  callbackContext.success(jsonColorEffects);

  return true;
}

Example 3

Source File: CameraConfigurationUtils.java From FoodOrdering with Apache License 2.0

6 votes

public static void setZoom(Camera.Parameters parameters,
		double targetZoomRatio) {
	if (parameters.isZoomSupported()) {
		Integer zoom = indexOfClosestZoom(parameters, targetZoomRatio);
		if (zoom == null) {
			return;
		}
		if (parameters.getZoom() == zoom) {
			Log.i(TAG, "Zoom is already set to " + zoom);
		} else {
			Log.i(TAG, "Setting zoom to " + zoom);
			parameters.setZoom(zoom);
		}
	} else {
		Log.i(TAG, "Zoom is not supported");
	}
}

Example 4

Source File: CameraPreview.java From cordova-plugin-camera-preview with MIT License

6 votes

private boolean setFlashMode(String flashMode, CallbackContext callbackContext) {
  if(this.hasCamera(callbackContext) == false){
    return true;
  }

  Camera camera = fragment.getCamera();
  Camera.Parameters params = camera.getParameters();

  List<String> supportedFlashModes;
  supportedFlashModes = camera.getParameters().getSupportedFlashModes();
  if (supportedFlashModes.indexOf(flashMode) > -1) {
    params.setFlashMode(flashMode);
  } else {
    callbackContext.error("Flash mode not recognised: " + flashMode);
    return true;
  }

  fragment.setCameraParameters(params);

  callbackContext.success(flashMode);
  return true;
}

Example 5

Source File: CameraPreview.java From cordova-plugin-camera-preview with MIT License

6 votes

private boolean getExposureCompensation(CallbackContext callbackContext) {
  if(this.hasCamera(callbackContext) == false){
    return true;
  }

  Camera camera = fragment.getCamera();
  Camera.Parameters params = camera.getParameters();

  if (camera.getParameters().getMinExposureCompensation() == 0 && camera.getParameters().getMaxExposureCompensation() == 0) {
    callbackContext.error("Exposure corection not supported");
  } else {
    int exposureCompensation = camera.getParameters().getExposureCompensation();
    callbackContext.success(exposureCompensation);
  }

  return true;
}

Example 6

Source File: CameraSource.java From Bluefruit_LE_Connect_Android_V2 with MIT License

6 votes

/**
 * Sets the flash mode.
 *
 * @param mode flash mode.
 * @return {@code true} if the flash mode is set, {@code false} otherwise
 * @see #getFlashMode()
 */
public boolean setFlashMode(@FlashMode String mode) {
    synchronized (mCameraLock) {
        if (mCamera != null && mode != null) {
            Camera.Parameters parameters = mCamera.getParameters();
            if (parameters.getSupportedFlashModes().contains(mode)) {
                parameters.setFlashMode(mode);
                mCamera.setParameters(parameters);
                mFlashMode = mode;
                return true;
            }
        }

        return false;
    }
}

Example 7

Source File: CameraSource.java From android-vision with Apache License 2.0

6 votes

/**
 * Sets the flash mode.
 *
 * @param mode flash mode.
 * @return {@code true} if the flash mode is set, {@code false} otherwise
 * @see #getFlashMode()
 */
public boolean setFlashMode(@FlashMode String mode) {
    synchronized (cameraLock) {
        if (camera != null && mode != null) {
            Camera.Parameters parameters = camera.getParameters();
            if (parameters.getSupportedFlashModes().contains(mode)) {
                parameters.setFlashMode(mode);
                camera.setParameters(parameters);
                flashMode = mode;
                return true;
            }
        }

        return false;
    }
}

Example 8

Source File: Camera1Manager.java From phoenix with Apache License 2.0

5 votes

private void turnVideoCameraFeaturesOn(Camera camera, Camera.Parameters parameters) {
    if (parameters.getSupportedFocusModes().contains(
            Camera.Parameters.FOCUS_MODE_CONTINUOUS_VIDEO)) {
        parameters.setFocusMode(Camera.Parameters.FOCUS_MODE_CONTINUOUS_VIDEO);
    }
    camera.setParameters(parameters);
}

Example 9

Source File: CameraConfigurationManager.java From BarcodeEye with Apache License 2.0

5 votes

/**
 * See http://stackoverflow.com/a/19434459/552902
 *
 * @param mCamera
 */
public static void googleGlassXE10WorkAround(Camera camera) {
    Camera.Parameters params = camera.getParameters();
    params.setPreviewFpsRange(30000, 30000);
    params.setPreviewSize(640, 360);
    //        if (params.isZoomSupported()) {
    //            Log.v("@@@@@@@@@", "zoom is supported!");
    //            Log.v("@@@@@@@@@", "zoom max: " + params.getMaxZoom());
    //            params.setZoom(10);
    //        } else {
    //            Log.w("@@@@@@@@@", "zoom is NOT supported!");
    //        }
    camera.setParameters(params);
}

Example 10

Source File: VideoRecordSurface.java From VideoRecord with Apache License 2.0

5 votes

private void initParameters() {
    CamcorderProfile mProfile = CamcorderProfile.get(CamcorderProfile.QUALITY_1080P);
    Camera.Parameters mParams = mCamera.getParameters();
    mParams.setPreviewSize(mProfile.videoFrameWidth, mProfile.videoFrameHeight);
    size = mParams.getPreviewSize();
    List<String> focusModes = mParams.getSupportedFocusModes();
    if (focusModes.contains("continuous-video")) {
        mParams.setFocusMode(Camera.Parameters.FOCUS_MODE_CONTINUOUS_VIDEO);
    }
    mCamera.setParameters(mParams);
}

Example 11

Source File: CameraConfigurationUtils.java From ZXing-Standalone-library with Apache License 2.0

5 votes

public static void setFocus(Camera.Parameters parameters,
                            boolean autoFocus,
                            boolean disableContinuous,
                            boolean safeMode) {
  List<String> supportedFocusModes = parameters.getSupportedFocusModes();
  String focusMode = null;
  if (autoFocus) {
    if (safeMode || disableContinuous) {
      focusMode = findSettableValue("focus mode",
                                     supportedFocusModes,
                                     Camera.Parameters.FOCUS_MODE_AUTO);
    } else {
      focusMode = findSettableValue("focus mode",
                                    supportedFocusModes,
                                    Camera.Parameters.FOCUS_MODE_CONTINUOUS_PICTURE,
                                    Camera.Parameters.FOCUS_MODE_CONTINUOUS_VIDEO,
                                    Camera.Parameters.FOCUS_MODE_AUTO);
    }
  }
  // Maybe selected auto-focus but not available, so fall through here:
  if (!safeMode && focusMode == null) {
    focusMode = findSettableValue("focus mode",
                                  supportedFocusModes,
                                  Camera.Parameters.FOCUS_MODE_MACRO,
                                  Camera.Parameters.FOCUS_MODE_EDOF);
  }
  if (focusMode != null) {
    if (focusMode.equals(parameters.getFocusMode())) {
      Log.i(TAG, "Focus mode already set to " + focusMode);
    } else {
      parameters.setFocusMode(focusMode);
    }
  }
}

Example 12

Source File: Camera1ApiManager.java From rtmp-rtsp-stream-client-java with Apache License 2.0

5 votes

/**
 * @required: <uses-permission android:name="android.permission.FLASHLIGHT"/>
 */
public void disableLantern() {
  if (camera != null) {
    Camera.Parameters parameters = camera.getParameters();
    parameters.setFlashMode(Camera.Parameters.FLASH_MODE_OFF);
    camera.setParameters(parameters);
    lanternEnable = false;
  }
}

Example 13

Source File: CameraHelper.java From RecordVideo with Apache License 2.0

5 votes

/**
 * 设置相机对焦模式
 *
 * @param focusMode
 * @param camera
 */
public static void setCameraFocusMode(String focusMode, Camera camera) {
    Camera.Parameters parameters = camera.getParameters();
    List<String> sfm = parameters.getSupportedFocusModes();
    if (sfm.contains(focusMode)) {
        parameters.setFocusMode(focusMode);
    }
    camera.setParameters(parameters);
}

Example 14

Source File: CameraConfigurationManager.java From vinci with Apache License 2.0

5 votes

private void setFlash(Camera.Parameters parameters) {
    // FIXME: This is a hack to turn the flash off on the Samsung Galaxy.
    // And this is a hack-hack to work around a different value on the Behold II
    // Restrict Behold II check to Cupcake, per Samsung's advice
    //if (Build.MODEL.contains("Behold II") &&
    //    CameraManager.SDK_INT == Build.VERSION_CODES.CUPCAKE) {
    if (Build.MODEL.contains("Behold II") && CameraManager.SDK_INT == 3) { // 3 = Cupcake
        parameters.set("flash-value", 1);
    } else {
        parameters.set("flash-value", 2);
    }
    // This is the standard setting to turn the flash off that all devices should honor.
    parameters.set("flash-mode", "off");
}

Example 15

Source File: CameraInterface.java From imsdk-android with MIT License

5 votes

public void setFlashMode(String flashMode) {
    if (mCamera == null)
        return;
    Camera.Parameters params = mCamera.getParameters();
    params.setFlashMode(flashMode);
    mCamera.setParameters(params);
}

Example 16

Source File: CameraConfigurationManager.java From lunzi with Apache License 2.0

5 votes

private void setFlash(Camera.Parameters parameters) {
    // FIXME: This is a hack to turn the flash off on the Samsung Galaxy.
    // And this is a hack-hack to work around a different value on the Behold II
    // Restrict Behold II check to Cupcake, per Samsung's advice
    //if (Build.MODEL.contains("Behold II") &&
    //    CameraManager.SDK_INT == Build.VERSION_CODES.CUPCAKE) {
    if (Build.MODEL.contains("Behold II") && CameraManager.SDK_INT == 3) { // 3 = Cupcake
        parameters.set("flash-value", 1);
    } else {
        parameters.set("flash-value", 2);
    }
    // This is the standard setting to turn the flash off that all devices should honor.
    parameters.set("flash-mode", "off");
}

Example 17

Source File: CameraHelper.java From OkCamera with Apache License 2.0

5 votes

public List<Camera.Size> getPreviewSizes() {
    if(mCamera == null)
        return null;
    Camera.Parameters param = mCamera.getParameters();
    if(param != null) {
        return param.getSupportedPreviewSizes();
    }
    return  null;
}

Example 18

Source File: CameraActivity.java From Android-MobileFaceNet-MTCNN-FaceAntiSpoofing with MIT License

5 votes

/**
 * 打开相机
 * @param holder SurfaceHolder
 */
private void openCamera(SurfaceHolder holder) {
    releaseCamera();
    mCamera = Camera.open(CAMERA_ID);
    Camera.Parameters parameters = mCamera.getParameters();
    displayDegree = setCameraDisplayOrientation(CAMERA_ID, mCamera);

    // 获取合适的分辨率
    mSize = getOptimalSize(parameters.getSupportedPreviewSizes(), mSurfaceView.getWidth(), mSurfaceView.getHeight());
    parameters.setPreviewSize(mSize.width, mSize.height);

    parameters.setPreviewFormat(IMAGE_FORMAT);
    mCamera.setParameters(parameters);

    try {
        mCamera.setPreviewDisplay(holder);
    } catch (IOException ioe) {
        ioe.printStackTrace();
    }

    // 相机每一帧图像回调
    mCamera.setPreviewCallback(new Camera.PreviewCallback() {
        @Override
        public void onPreviewFrame(byte[] data, Camera camera) {
            mData = data;
            camera.addCallbackBuffer(data);
        }
    });

    mCamera.startPreview();
}

Example 19

Source File: CameraConfigurationManager.java From reacteu-app with MIT License

4 votes

private void initializeTorch(Camera.Parameters parameters, SharedPreferences prefs, boolean safeMode) {
  boolean currentSetting = prefs.getBoolean(PreferencesActivity.KEY_FRONT_LIGHT, false);
  doSetTorch(parameters, currentSetting, safeMode);
}

Example 20

Source File: CameraSource.java From android-vision with Apache License 2.0

4 votes

/**
 * Calculates the correct rotation for the given camera id and sets the rotation in the
 * parameters.  It also sets the camera's display orientation and rotation.
 *
 * @param parameters the camera parameters for which to set the rotation
 * @param cameraId   the camera id to set rotation based on
 */
private void setRotation(Camera camera, Camera.Parameters parameters, int cameraId) {
    WindowManager windowManager =
            (WindowManager) mContext.getSystemService(Context.WINDOW_SERVICE);
    int degrees = 0;
    int rotation = windowManager.getDefaultDisplay().getRotation();
    switch (rotation) {
        case Surface.ROTATION_0:
            degrees = 0;
            break;
        case Surface.ROTATION_90:
            degrees = 90;
            break;
        case Surface.ROTATION_180:
            degrees = 180;
            break;
        case Surface.ROTATION_270:
            degrees = 270;
            break;
        default:
            Log.e(TAG, "Bad rotation value: " + rotation);
    }

    CameraInfo cameraInfo = new CameraInfo();
    Camera.getCameraInfo(cameraId, cameraInfo);

    int angle;
    int displayAngle;
    if (cameraInfo.facing == Camera.CameraInfo.CAMERA_FACING_FRONT) {
        angle = (cameraInfo.orientation + degrees) % 360;
        displayAngle = (360 - angle) % 360; // compensate for it being mirrored
    } else {  // back-facing
        angle = (cameraInfo.orientation - degrees + 360) % 360;
        displayAngle = angle;
    }

    // This corresponds to the rotation constants in {@link Frame}.
    mRotation = angle / 90;

    camera.setDisplayOrientation(displayAngle);
    parameters.setRotation(angle);
}