android.hardware.Camera#Parameters ( )源码实例Demo

下面列出了android.hardware.Camera#Parameters ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。

源代码1 项目： cordova-plugin-camera-preview 文件： CameraPreview.java

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;
}

源代码2 项目： cordova-plugin-camera-preview 文件： CameraPreview.java

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;
}

源代码3 项目： android-vision 文件： CameraSource.java

/**
 * 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;
    }
}

源代码4 项目： Bluefruit_LE_Connect_Android_V2 文件： CameraSource.java

/**
 * 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;
    }
}

源代码5 项目： FoodOrdering 文件： CameraConfigurationUtils.java

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");
	}
}

源代码6 项目： cordova-plugin-camera-preview 文件： CameraPreview.java

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;
}

源代码7 项目： android-vision 文件： CameraSource.java

/**
 * 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;
    }
}

源代码8 项目： RecordVideo 文件： CameraHelper.java

/**
 * 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);
}

源代码9 项目： Android-MobileFaceNet-MTCNN-FaceAntiSpoofing 文件： CameraActivity.java

/**
 * 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();
}

源代码10 项目： OkCamera 文件： CameraHelper.java

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

源代码11 项目： lunzi 文件： CameraConfigurationManager.java

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");
}

源代码12 项目： imsdk-android 文件： CameraInterface.java

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

源代码13 项目： vinci 文件： CameraConfigurationManager.java

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");
}

源代码14 项目： phoenix 文件： Camera1Manager.java

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);
}

源代码15 项目： rtmp-rtsp-stream-client-java 文件： Camera1ApiManager.java

/**
 * @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;
  }
}

源代码16 项目： ZXing-Standalone-library 文件： CameraConfigurationUtils.java

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);
    }
  }
}

源代码17 项目： VideoRecord 文件： VideoRecordSurface.java

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);
}

源代码18 项目： BarcodeEye 文件： CameraConfigurationManager.java

/**
 * 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);
}

源代码19 项目： android-vision 文件： CameraSource.java

/**
 * 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);
}

源代码20 项目： reacteu-app 文件： CameraConfigurationManager.java

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