android.hardware.Camera.CameraInfo#CAMERA_FACING_BACK源码实例Demo

下面列出了android.hardware.Camera.CameraInfo#CAMERA_FACING_BACK 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： Paddle-Lite-Demo 文件： CameraSurfaceView.java

public CameraSurfaceView(Context ctx, AttributeSet attrs) {
    super(ctx, attrs);
    context = ctx;
    setEGLContextClientVersion(2);
    setRenderer(this);
    setRenderMode(RENDERMODE_WHEN_DIRTY);

    // Find the total number of available cameras and the ID of the default camera
    numberOfCameras = Camera.getNumberOfCameras();
    CameraInfo cameraInfo = new CameraInfo();
    for (int i = 0; i < numberOfCameras; i++) {
        Camera.getCameraInfo(i, cameraInfo);
        if (cameraInfo.facing == CameraInfo.CAMERA_FACING_BACK) {
            selectedCameraId = i;
        }
    }
}

源代码2 项目： Paddle-Lite-Demo 文件： CameraSurfaceView.java

public CameraSurfaceView(Context ctx, AttributeSet attrs) {
    super(ctx, attrs);
    context = ctx;
    setEGLContextClientVersion(2);
    setRenderer(this);
    setRenderMode(RENDERMODE_WHEN_DIRTY);

    // Find the total number of available cameras and the ID of the default camera
    numberOfCameras = Camera.getNumberOfCameras();
    CameraInfo cameraInfo = new CameraInfo();
    for (int i = 0; i < numberOfCameras; i++) {
        Camera.getCameraInfo(i, cameraInfo);
        if (cameraInfo.facing == CameraInfo.CAMERA_FACING_BACK) {
            selectedCameraId = i;
        }
    }
}

源代码3 项目： Paddle-Lite-Demo 文件： CameraSurfaceView.java

public CameraSurfaceView(Context ctx, AttributeSet attrs) {
    super(ctx, attrs);
    context = ctx;
    setEGLContextClientVersion(2);
    setRenderer(this);
    setRenderMode(RENDERMODE_WHEN_DIRTY);

    // Find the total number of available cameras and the ID of the default camera
    numberOfCameras = Camera.getNumberOfCameras();
    CameraInfo cameraInfo = new CameraInfo();
    for (int i = 0; i < numberOfCameras; i++) {
        Camera.getCameraInfo(i, cameraInfo);
        if (cameraInfo.facing == CameraInfo.CAMERA_FACING_BACK) {
            selectedCameraId = i;
        }
    }
}

源代码4 项目： Paddle-Lite-Demo 文件： CameraSurfaceView.java

public CameraSurfaceView(Context ctx, AttributeSet attrs) {
    super(ctx, attrs);
    context = ctx;
    setEGLContextClientVersion(2);
    setRenderer(this);
    setRenderMode(RENDERMODE_WHEN_DIRTY);

    // Find the total number of available cameras and the ID of the default camera
    numberOfCameras = Camera.getNumberOfCameras();
    CameraInfo cameraInfo = new CameraInfo();
    for (int i = 0; i < numberOfCameras; i++) {
        Camera.getCameraInfo(i, cameraInfo);
        if (cameraInfo.facing == CameraInfo.CAMERA_FACING_BACK) {
            selectedCameraId = i;
        }
    }
}

源代码5 项目： Paddle-Lite-Demo 文件： CameraSurfaceView.java

public CameraSurfaceView(Context ctx, AttributeSet attrs) {
    super(ctx, attrs);
    context = ctx;
    setEGLContextClientVersion(2);
    setRenderer(this);
    setRenderMode(RENDERMODE_WHEN_DIRTY);

    // Find the total number of available cameras and the ID of the default camera
    numberOfCameras = Camera.getNumberOfCameras();
    CameraInfo cameraInfo = new CameraInfo();
    for (int i = 0; i < numberOfCameras; i++) {
        Camera.getCameraInfo(i, cameraInfo);
        if (cameraInfo.facing == CameraInfo.CAMERA_FACING_BACK) {
            selectedCameraId = i;
        }
    }
}

源代码6 项目： Paddle-Lite-Demo 文件： CameraSurfaceView.java

public CameraSurfaceView(Context ctx, AttributeSet attrs) {
    super(ctx, attrs);
    context = ctx;
    setEGLContextClientVersion(2);
    setRenderer(this);
    setRenderMode(RENDERMODE_WHEN_DIRTY);

    // Find the total number of available cameras and the ID of the default camera
    numberOfCameras = Camera.getNumberOfCameras();
    CameraInfo cameraInfo = new CameraInfo();
    for (int i = 0; i < numberOfCameras; i++) {
        Camera.getCameraInfo(i, cameraInfo);
        if (cameraInfo.facing == CameraInfo.CAMERA_FACING_BACK) {
            selectedCameraId = i;
        }
    }
}

源代码7 项目： zom-android-matrix 文件： SurfaceGrabberActivity.java

private boolean tryCreateCamera(int facing) {
    CameraInfo info = new CameraInfo();
    for (int nCam = 0; nCam < Camera.getNumberOfCameras(); nCam++) {
        Camera.getCameraInfo(nCam, info);
        if (info.facing == facing) {
            camera = Camera.open(nCam);
            cameraInfo = info;
            //Size size = choosePictureSize(camera.getParameters().getSupportedPictureSizes());

            Camera.Parameters params = camera.getParameters();
            params.setPictureFormat(ImageFormat.JPEG);
            //params.setPictureSize(size.width,size.height);
            //params.setJpegThumbnailSize(128,128);
            //params.setPreviewSize(size.width/2,size.height/2);

            if (this.getCameraDirection() == CameraInfo.CAMERA_FACING_BACK) {
                params.setFocusMode(Camera.Parameters.FOCUS_MODE_AUTO);
            }

            camera.setParameters(params);

            return true;
        }
    }
    return false;
}

源代码8 项目： Camera2 文件： DisableCameraReceiver.java

private boolean hasBackCamera()
{
    int n = android.hardware.Camera.getNumberOfCameras();
    CameraInfo info = new CameraInfo();
    for (int i = 0; i < n; i++)
    {
        android.hardware.Camera.getCameraInfo(i, info);
        if (info.facing == CameraInfo.CAMERA_FACING_BACK)
        {
            Log.i(TAG, "back camera found: " + i);
            return true;
        }
    }
    Log.i(TAG, "no back camera");
    return false;
}

源代码9 项目： mollyim-android 文件： CameraView.java

public void flipCamera() {
  if (Camera.getNumberOfCameras() > 1) {
    cameraId = cameraId == CameraInfo.CAMERA_FACING_BACK
               ? CameraInfo.CAMERA_FACING_FRONT
               : CameraInfo.CAMERA_FACING_BACK;
    onPause();
    onResume();
    TextSecurePreferences.setDirectCaptureCameraId(getContext(), cameraId);
  }
}

源代码10 项目： next18-ai-in-motion 文件： LegacyCameraConnectionFragment.java

private int getCameraId() {
  CameraInfo ci = new CameraInfo();
  for (int i = 0; i < Camera.getNumberOfCameras(); i++) {
    Camera.getCameraInfo(i, ci);
    if (ci.facing == CameraInfo.CAMERA_FACING_BACK)
      return i;
  }
  return -1; // No camera found
}

源代码11 项目： dbclf 文件： LegacyCameraConnectionFragment.java

private int getCameraId() {
    CameraInfo ci = new CameraInfo();
    for (int i = 0; i < Camera.getNumberOfCameras(); i++) {
        Camera.getCameraInfo(i, ci);
        if (ci.facing == CameraInfo.CAMERA_FACING_BACK)
            return i;
    }
    return -1; // No camera found
}

源代码12 项目： pixelvisualcorecamera 文件： CameraApi1Activity.java

/** Initializes cameraId state from global preferences. */
private void initCameraSelection() {
  cameraId = preferences.getCameraId();
  if (cameraId > CameraInfo.CAMERA_FACING_FRONT) {
    Log.e(TAG, "out of bounds camera id: " + cameraId);
    cameraId = CameraInfo.CAMERA_FACING_BACK;
    preferences.setCameraId(cameraId);
  }
}

源代码13 项目： pixelvisualcorecamera 文件： CameraApi1Activity.java

private void setCameraIconForCurrentCamera() {
  ImageButton button = findViewById(R.id.control_camera_selection);
  switch (cameraId) {
    case CameraInfo.CAMERA_FACING_BACK:
      button.setImageResource(R.drawable.ic_camera_rear_white_24);
      break;
    case CameraInfo.CAMERA_FACING_FRONT:
      button.setImageResource(R.drawable.ic_camera_front_white_24);
      break;
    default:
      break;
  }
}

源代码14 项目： pixelvisualcorecamera 文件： CameraApi2Activity.java

/** Initializes cameraId state from global preferences. */
@SuppressWarnings("deprecation")
private void initCameraSelection() {
  int cameraIdInt = preferences.getCameraId();
  if (cameraIdInt > CameraInfo.CAMERA_FACING_FRONT) {
    Log.e(TAG, "out of bounds camera id: " + cameraIdInt);
    cameraIdInt = CameraInfo.CAMERA_FACING_BACK;
    preferences.setCameraId(cameraIdInt);
  }
  cameraId = String.valueOf(cameraIdInt);
}

源代码15 项目： lantern 文件： PreMarshmallow.java

private int getCameraId() {
    int numberOfCameras = Camera.getNumberOfCameras();
    for (int i = 0; i < numberOfCameras; i++) {
        CameraInfo info = new CameraInfo();
        Camera.getCameraInfo(i, info);
        if (info.facing == CameraInfo.CAMERA_FACING_BACK) {
            return i;
        }
    }
    return 0;
}

源代码16 项目： mollyim-android 文件： CameraView.java

public boolean isRearCamera() {
  return cameraId == CameraInfo.CAMERA_FACING_BACK;
}

源代码17 项目： zom-android-matrix 文件： SurfaceGrabberActivity.java

protected int getCameraDirection() {
    return CameraInfo.CAMERA_FACING_BACK;
}

源代码18 项目： zom-android-matrix 文件： SurfaceGrabberActivity.java

private int getOtherDirection(int facing) {
    return (facing == CameraInfo.CAMERA_FACING_BACK) ? CameraInfo.CAMERA_FACING_FRONT : CameraInfo.CAMERA_FACING_BACK;
}

源代码19 项目： zom-android-matrix 文件： SecureCameraActivity.java

@Override
protected int getCameraDirection() {
    //return CameraInfo.CAMERA_FACING_FRONT;
    return CameraInfo.CAMERA_FACING_BACK;
}

源代码20 项目： code-scanner 文件： CodeScanner.java

private void initialize() {
    Camera camera = null;
    final CameraInfo cameraInfo = new CameraInfo();
    final int cameraId = mCameraId;
    if (cameraId == CAMERA_BACK || cameraId == CAMERA_FRONT) {
        final int numberOfCameras = Camera.getNumberOfCameras();
        final int facing = cameraId == CAMERA_BACK ? CameraInfo.CAMERA_FACING_BACK :
                CameraInfo.CAMERA_FACING_FRONT;
        for (int i = 0; i < numberOfCameras; i++) {
            Camera.getCameraInfo(i, cameraInfo);
            if (cameraInfo.facing == facing) {
                camera = Camera.open(i);
                mCameraId = i;
                break;
            }
        }
    } else {
        camera = Camera.open(cameraId);
        Camera.getCameraInfo(cameraId, cameraInfo);
    }
    if (camera == null) {
        throw new CodeScannerException("Unable to access camera");
    }
    final Parameters parameters = camera.getParameters();
    if (parameters == null) {
        throw new CodeScannerException("Unable to configure camera");
    }
    final int orientation = Utils.getDisplayOrientation(mContext, cameraInfo);
    final boolean portrait = Utils.isPortrait(orientation);
    final Point imageSize =
            Utils.findSuitableImageSize(parameters, portrait ? mHeight : mWidth,
                    portrait ? mWidth : mHeight);
    final int imageWidth = imageSize.getX();
    final int imageHeight = imageSize.getY();
    parameters.setPreviewSize(imageWidth, imageHeight);
    parameters.setPreviewFormat(ImageFormat.NV21);
    final Point previewSize = Utils.getPreviewSize(portrait ? imageHeight : imageWidth,
            portrait ? imageWidth : imageHeight, mWidth, mHeight);
    final List<String> focusModes = parameters.getSupportedFocusModes();
    final boolean autoFocusSupported = focusModes != null &&
            (focusModes.contains(Parameters.FOCUS_MODE_AUTO) ||
                    focusModes.contains(Parameters.FOCUS_MODE_CONTINUOUS_PICTURE));
    if (!autoFocusSupported) {
        mAutoFocusEnabled = false;
    }
    final Point viewSize = new Point(mWidth, mHeight);
    if (autoFocusSupported && mAutoFocusEnabled) {
        Utils.setAutoFocusMode(parameters, mAutoFocusMode);
        final Rect frameRect = mScannerView.getFrameRect();
        if (frameRect != null) {
            Utils.configureDefaultFocusArea(parameters, frameRect, previewSize, viewSize,
                    imageWidth, imageHeight, orientation);
        }
    }
    final List<String> flashModes = parameters.getSupportedFlashModes();
    final boolean flashSupported =
            flashModes != null && flashModes.contains(Parameters.FLASH_MODE_TORCH);
    if (!flashSupported) {
        mFlashEnabled = false;
    }
    final int zoom = mZoom;
    if (zoom != 0) {
        Utils.setZoom(parameters, zoom);
    }
    Utils.configureFpsRange(parameters);
    Utils.configureSceneMode(parameters);
    Utils.configureVideoStabilization(parameters);
    camera.setParameters(parameters);
    camera.setDisplayOrientation(orientation);
    synchronized (mInitializeLock) {
        final Decoder decoder =
                new Decoder(mDecoderStateListener, mFormats, mDecodeCallback);
        mDecoderWrapper =
                new DecoderWrapper(camera, cameraInfo, decoder, imageSize, previewSize,
                        viewSize, orientation, autoFocusSupported, flashSupported);
        decoder.start();
        mInitialization = false;
        mInitialized = true;
    }
    mMainThreadHandler.post(new FinishInitializationTask(previewSize));
}

方法所在类

android.hardware.Camera.CameraInfo