android.hardware.Camera.Size源码实例Demo-ICode联盟

类android.hardware.Camera.Size源码实例Demo

下面列出了怎么用android.hardware.Camera.Size的API类实例代码及写法，或者点击链接到github查看源代码。

源代码1 项目： mollyim-android 文件： CameraView.java

private Rect getCroppedRect(Size cameraPreviewSize, Rect visibleRect, int rotation) {
  final int previewWidth  = cameraPreviewSize.width;
  final int previewHeight = cameraPreviewSize.height;

  if (rotation % 180 > 0) rotateRect(visibleRect);

  float scale = (float) previewWidth / visibleRect.width();
  if (visibleRect.height() * scale > previewHeight) {
    scale = (float) previewHeight / visibleRect.height();
  }
  final float newWidth  = visibleRect.width()  * scale;
  final float newHeight = visibleRect.height() * scale;
  final float centerX   = (VERSION.SDK_INT < 14 || isTroublemaker()) ? previewWidth - newWidth / 2 : previewWidth / 2;
  final float centerY   = previewHeight / 2;

  visibleRect.set((int) (centerX - newWidth  / 2),
                  (int) (centerY - newHeight / 2),
                  (int) (centerX + newWidth  / 2),
                  (int) (centerY + newHeight / 2));

  if (rotation % 180 > 0) rotateRect(visibleRect);
  return visibleRect;
}

源代码2 项目： zom-android-matrix 文件： CameraView.java

private void startPreview(SurfaceHolder holder) {
	try {

		Parameters params = camera.getParameters();

		if (params.getSupportedFocusModes().contains(
				Parameters.FOCUS_MODE_AUTO)) {
			params.setFocusMode(Parameters.FOCUS_MODE_AUTO);
		}

		List<Size> previewSizes = camera.getParameters().getSupportedPreviewSizes();
		List<Size> pictureSizes = camera.getParameters().getSupportedPictureSizes();

           params.setPreviewSize(previewSizes.get(previewSizes.size()-2).width,previewSizes.get(previewSizes.size()-2).height);
		params.setPictureSize(pictureSizes.get(pictureSizes.size()-2).width,pictureSizes.get(pictureSizes.size()-2).height);
		camera.setParameters(params);

		camera.setPreviewDisplay(holder);
		camera.startPreview();

		previewConsumer.start(camera);
	} catch(IOException e) {
		Log.e(TAG, "Error starting camera preview", e);
	}
}

源代码3 项目： PhotoMovie 文件： GLUtil.java

public static int loadTexture(final IntBuffer data, final Size size, final int usedTexId) {
    int textures[] = new int[1];
    if (usedTexId == NO_TEXTURE) {
        GLES20.glGenTextures(1, textures, 0);
        GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, textures[0]);
        GLES20.glTexParameterf(GLES20.GL_TEXTURE_2D,
                GLES20.GL_TEXTURE_MAG_FILTER, GLES20.GL_LINEAR);
        GLES20.glTexParameterf(GLES20.GL_TEXTURE_2D,
                GLES20.GL_TEXTURE_MIN_FILTER, GLES20.GL_LINEAR);
        GLES20.glTexParameterf(GLES20.GL_TEXTURE_2D,
                GLES20.GL_TEXTURE_WRAP_S, GLES20.GL_CLAMP_TO_EDGE);
        GLES20.glTexParameterf(GLES20.GL_TEXTURE_2D,
                GLES20.GL_TEXTURE_WRAP_T, GLES20.GL_CLAMP_TO_EDGE);
        GLES20.glTexImage2D(GLES20.GL_TEXTURE_2D, 0, GLES20.GL_RGBA, size.width, size.height,
                0, GLES20.GL_RGBA, GLES20.GL_UNSIGNED_BYTE, data);
    } else {
        GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, usedTexId);
        GLES20.glTexSubImage2D(GLES20.GL_TEXTURE_2D, 0, 0, 0, size.width,
                size.height, GLES20.GL_RGBA, GLES20.GL_UNSIGNED_BYTE, data);
        textures[0] = usedTexId;
    }
    return textures[0];
}

源代码4 项目： TikTok 文件： CameraEngine.java

public static com.tiktokdemo.lky.tiktokdemo.record.camera.camera.utils.CameraInfo   getCameraInfo(){
    com.tiktokdemo.lky.tiktokdemo.record.camera.camera.utils.CameraInfo  info = new com.tiktokdemo.lky.tiktokdemo.record.camera.camera.utils.CameraInfo();

    try{
    Size size = getPreviewSize();
    CameraInfo cameraInfo = new CameraInfo();
    mCameraInfo = cameraInfo;
        Camera.getCameraInfo(cameraID, cameraInfo);
    info.previewWidth = PREVIEW_WIDTH;
    info.previewHeight = PREVIEW_HEIGHT;
    info.orientation = cameraInfo.orientation;
    info.isFront = cameraID == 1 ? true : false;
    size = getPictureSize();
    if (size != null){
        info.pictureWidth = size.width;
        info.pictureHeight = size.height;
    }
    if(camera != null){
        info.flashMode = camera.getParameters().getFlashMode();
    }
    return info;
    }catch (Exception e){
        e.printStackTrace();
        return info;
    }
}

源代码5 项目： react-native-documentscanner-android 文件： OpenNoteCameraView.java

public Camera.Size getMaxPreviewResolution() {
    int maxWidth=0;
    Camera.Size curRes=null;

    mCamera.lock();

    for ( Camera.Size r: getResolutionList() ) {
        if (r.width>maxWidth) {
            Log.d(TAG,"supported preview resolution: "+r.width+"x"+r.height);
            maxWidth=r.width;
            curRes=r;
        }
    }

    return curRes;
}

源代码6 项目： react-native-documentscanner-android 文件： OpenNoteCameraView.java

public void setMaxPictureResolution() {
    int maxWidth=0;
    Size curRes=null;
    for ( Size r: getPictureResolutionList() ) {
        Log.d(TAG,"supported picture resolution: "+r.width+"x"+r.height);
        if (r.width>maxWidth) {
            maxWidth=r.width;
            curRes=r;
        }
    }

    if (curRes!=null) {
        Camera.Parameters parameters = mCamera.getParameters();
        parameters.setPictureSize(curRes.width, curRes.height);
        mCamera.setParameters(parameters);
        Log.d(TAG, "selected picture resolution: " + curRes.width + "x" + curRes.height);
    }

    return;
}

源代码7 项目： react-native-documentscanner-android 文件： OpenNoteCameraView.java

public void setMaxPreviewResolution() {
    int maxWidth=0;
    Size curRes=null;

    mCamera.lock();

    for ( Size r: getResolutionList() ) {
        if (r.width>maxWidth) {
            Log.d(TAG,"supported preview resolution: "+r.width+"x"+r.height);
            maxWidth=r.width;
            curRes=r;
        }
    }

    if (curRes!=null) {
        setResolution(curRes);
        Log.d(TAG, "selected preview resolution: " + curRes.width + "x" + curRes.height);
    }

    return;
}

源代码8 项目： SimpleVideoEditor 文件： GPUImageRenderer.java

@Override
public void onPreviewFrame(final byte[] data, final Camera camera) {
    final Size previewSize = camera.getParameters().getPreviewSize();
    if (mGLRgbBuffer == null) {
        mGLRgbBuffer = IntBuffer.allocate(previewSize.width * previewSize.height);
    }
    if (mRunOnDraw.isEmpty()) {
        runOnDraw(new Runnable() {
            @Override
            public void run() {
                GPUImageNativeLibrary.YUVtoRBGA(data, previewSize.width, previewSize.height,
                        mGLRgbBuffer.array());
                mGLTextureId = OpenGlUtils.loadTexture(mGLRgbBuffer, previewSize, mGLTextureId);
                camera.addCallbackBuffer(data);

                if (mImageWidth != previewSize.width) {
                    mImageWidth = previewSize.width;
                    mImageHeight = previewSize.height;
                    adjustImageScaling();
                }
            }
        });
    }
}

源代码9 项目： SimpleVideoEditor 文件： OpenGlUtils.java

public static int loadTexture(final IntBuffer data, final Size size, final int usedTexId) {
    int textures[] = new int[1];
    if (usedTexId == NO_TEXTURE) {
        GLES20.glGenTextures(1, textures, 0);
        GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, textures[0]);
        GLES20.glTexParameterf(GLES20.GL_TEXTURE_2D,
                GLES20.GL_TEXTURE_MAG_FILTER, GLES20.GL_LINEAR);
        GLES20.glTexParameterf(GLES20.GL_TEXTURE_2D,
                GLES20.GL_TEXTURE_MIN_FILTER, GLES20.GL_LINEAR);
        GLES20.glTexParameterf(GLES20.GL_TEXTURE_2D,
                GLES20.GL_TEXTURE_WRAP_S, GLES20.GL_CLAMP_TO_EDGE);
        GLES20.glTexParameterf(GLES20.GL_TEXTURE_2D,
                GLES20.GL_TEXTURE_WRAP_T, GLES20.GL_CLAMP_TO_EDGE);
        GLES20.glTexImage2D(GLES20.GL_TEXTURE_2D, 0, GLES20.GL_RGBA, size.width, size.height,
                0, GLES20.GL_RGBA, GLES20.GL_UNSIGNED_BYTE, data);
    } else {
        GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, usedTexId);
        GLES20.glTexSubImage2D(GLES20.GL_TEXTURE_2D, 0, 0, 0, size.width,
                size.height, GLES20.GL_RGBA, GLES20.GL_UNSIGNED_BYTE, data);
        textures[0] = usedTexId;
    }
    return textures[0];
}

源代码10 项目： TextOcrExample 文件： CameraUtil.java

/**
 * 获取所有支持的预览尺寸
 */
public Size getPropPreviewSize(List<Size> list, int minWidth) {
    Collections.sort(list, ascendSizeComparator);

    int i = 0;
    for (Size s : list) {
        if ((s.width >= minWidth)) {
            break;
        }
        i++;
    }
    if (i == list.size()) {
        i = 0;//如果没找到，就选最小的size
    }
    return list.get(i);
}

源代码11 项目： TextOcrExample 文件： CameraUtil.java

/**
 * 获取所有支持的返回图片尺寸
 */
public Size getPropPictureSize(List<Size> list, int minWidth) {
    Collections.sort(list, ascendSizeComparator);

    int i = 0;
    for (Size s : list) {
        if ((s.width >= minWidth)) {
            break;
        }
        i++;
    }
    if (i == list.size()) {
        i = 0;//如果没找到，就选最小的size
    }
    return list.get(i);
}

源代码12 项目： code-scanner 文件： Utils.java

@NonNull
public static Point findSuitableImageSize(@NonNull final Parameters parameters,
        final int frameWidth, final int frameHeight) {
    final List<Size> sizes = parameters.getSupportedPreviewSizes();
    if (sizes != null && !sizes.isEmpty()) {
        Collections.sort(sizes, new CameraSizeComparator());
        final float frameRatio = (float) frameWidth / (float) frameHeight;
        for (float distortion = MIN_DISTORTION; distortion <= MAX_DISTORTION;
                distortion += DISTORTION_STEP) {
            for (final Size size : sizes) {
                final int width = size.width;
                final int height = size.height;
                if (width * height >= MIN_PREVIEW_PIXELS &&
                        Math.abs(frameRatio - (float) width / (float) height) <= distortion) {
                    return new Point(width, height);
                }
            }
        }
    }
    final Size defaultSize = parameters.getPreviewSize();
    if (defaultSize == null) {
        throw new CodeScannerException("Unable to configure camera preview size");
    }
    return new Point(defaultSize.width, defaultSize.height);
}

源代码13 项目： VideoRecord 文件： MediaRecorderBase.java

/** 设置回调 */
protected void setPreviewCallback() {
	Camera.Size size = mParameters.getPreviewSize();
	if (size != null) {
		PixelFormat pf = new PixelFormat();
		PixelFormat.getPixelFormatInfo(mParameters.getPreviewFormat(), pf);
		int buffSize = size.width * size.height * pf.bitsPerPixel / 8;
		try {
			camera.addCallbackBuffer(new byte[buffSize]);
			camera.addCallbackBuffer(new byte[buffSize]);
			camera.addCallbackBuffer(new byte[buffSize]);
			camera.setPreviewCallbackWithBuffer(this);
		} catch (OutOfMemoryError e) {
			Log.e("Yixia", "startPreview...setPreviewCallback...", e);
		}
		Log.e("Yixia", "startPreview...setPreviewCallbackWithBuffer...width:" + size.width + " height:" + size.height);
	} else {
		camera.setPreviewCallback(this);
	}
}

源代码14 项目： VideoCamera 文件： CameraWrapper.java

@TargetApi(VERSION_CODES.HONEYCOMB)
protected List<Size> getSupportedVideoSizes(int currentSdkInt) {
    Parameters params = mNativeCamera.getNativeCameraParameters();

    List<Size> supportedVideoSizes;
    if (currentSdkInt < Build.VERSION_CODES.HONEYCOMB) {
        CLog.e(CLog.CAMERA, "Using supportedPreviewSizes iso supportedVideoSizes due to API restriction");
        supportedVideoSizes = params.getSupportedPreviewSizes();
    } else if (params.getSupportedVideoSizes() == null) {
        CLog.e(CLog.CAMERA, "Using supportedPreviewSizes because supportedVideoSizes is null");
        supportedVideoSizes = params.getSupportedPreviewSizes();
    } else {
        supportedVideoSizes = params.getSupportedVideoSizes();
    }

    return supportedVideoSizes;
}

源代码15 项目： Form-N-Fun 文件： MainActivity.java

@Override
public void onCameraViewStarted(int width, int height) {

    String caption = Integer.valueOf(mOpenCvCameraView.getWidth()).toString() + "x" + Integer.valueOf(mOpenCvCameraView.getHeight()).toString();
    Log.v("screen_size ",caption);
    List<Camera.Size> mResolutionList = mOpenCvCameraView.getResolutionList();
    Camera.Size mSize = null;
    for (Camera.Size size : mResolutionList) {
        Log.i(TAG, "Available resolution: "+size.width+" "+size.height);
        if(size.width<=1280&&size.height<=960) { //change the resolution, 1280x960 and 1440x1080 are working fine in nexus 5x
            mSize = size;
            Log.i(TAG, "selected resolution: "+size.width+" "+size.height);
            break;
        }
    }
    mOpenCvCameraView.setResolution(mSize); //set resolution
    Size resolution = mOpenCvCameraView.getResolution();
    mRgba = new Mat();
    //initialize findmazesandballs
    findmazesandballs = new FindMazesAndBalls(mOpenCvCameraView.getWidth(), mOpenCvCameraView.getHeight(),resolution.width, resolution.height);
    if(findmazesandballs.getselfAddr()!=0&&gs != null)
        gs.setAddressandScreenSize(findmazesandballs.getselfAddr(),mOpenCvCameraView.getWidth(),mOpenCvCameraView.getHeight());
}

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

private Rect getCroppedRect(Size cameraPreviewSize, Rect visibleRect, int rotation) {
  final int previewWidth  = cameraPreviewSize.width;
  final int previewHeight = cameraPreviewSize.height;

  if (rotation % 180 > 0) rotateRect(visibleRect);

  float scale = (float) previewWidth / visibleRect.width();
  if (visibleRect.height() * scale > previewHeight) {
    scale = (float) previewHeight / visibleRect.height();
  }
  final float newWidth  = visibleRect.width()  * scale;
  final float newHeight = visibleRect.height() * scale;
  final float centerX   = (VERSION.SDK_INT < 14 || isTroublemaker()) ? previewWidth - newWidth / 2 : previewWidth / 2;
  final float centerY   = previewHeight / 2;

  visibleRect.set((int) (centerX - newWidth  / 2),
                  (int) (centerY - newHeight / 2),
                  (int) (centerX + newWidth  / 2),
                  (int) (centerY + newHeight / 2));

  if (rotation % 180 > 0) rotateRect(visibleRect);
  return visibleRect;
}

源代码17 项目： mollyim-android 文件： CameraUtils.java

public static @Nullable Size getPreferredPreviewSize(int displayOrientation,
                                                     int width,
                                                     int height,
                                                     @NonNull Parameters parameters) {
  final int    targetWidth  = displayOrientation % 180 == 90 ? height : width;
  final int    targetHeight = displayOrientation % 180 == 90 ? width  : height;
  final double targetRatio  = (double) targetWidth / targetHeight;

  Log.d(TAG, String.format(Locale.US,
                           "getPreferredPreviewSize(%d, %d, %d) -> target %dx%d, AR %.02f",
                           displayOrientation, width, height,
                           targetWidth, targetHeight, targetRatio));

  List<Size> sizes     = parameters.getSupportedPreviewSizes();
  List<Size> ideals    = new LinkedList<>();
  List<Size> bigEnough = new LinkedList<>();

  for (Size size : sizes) {
    Log.d(TAG, String.format(Locale.US, "  %dx%d (%.02f)", size.width, size.height, (float)size.width / size.height));

    if (size.height == size.width * targetRatio && size.height >= targetHeight && size.width >= targetWidth) {
      ideals.add(size);
      Log.d(TAG, "    (ideal ratio)");
    } else if (size.width >= targetWidth && size.height >= targetHeight) {
      bigEnough.add(size);
      Log.d(TAG, "    (good size, suboptimal ratio)");
    }
  }

  if      (!ideals.isEmpty())    return Collections.min(ideals, new AreaComparator());
  else if (!bigEnough.isEmpty()) return Collections.min(bigEnough, new AspectRatioComparator(targetRatio));
  else                           return Collections.max(sizes, new AreaComparator());
}

源代码18 项目： mollyim-android 文件： CameraUtils.java

@Override
public int compare(Size lhs, Size rhs) {
  final double lhsDiff = Math.abs(target - (double) lhs.width / lhs.height);
  final double rhsDiff = Math.abs(target - (double) rhs.width / rhs.height);
  if      (lhsDiff < rhsDiff)  return -1;
  else if (lhsDiff > rhsDiff)  return 1;
  else                         return super.compare(lhs, rhs);
}

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

protected Size choosePictureSize(List<Size> localSizes) {
    Size size = null;

    for (Size sz : localSizes) {
        if (sz.width > 640 && sz.width <= 1024)
            size = sz;

        if (size != null)
            break;
    }

    if (size == null)
        size = localSizes.get(localSizes.size() - 1);
    return size;
}

源代码20 项目： AndroidWallet 文件： CameraManager.java

public Size getPreviewSize() {
	if (null != camera) {
		return camera.getParameters().getPreviewSize();

	}
	return null;
}

源代码21 项目： CameraBlur 文件： OpenCamera.java

public Size getMaxPreviewResolution() {
    int maxWidth=0;
    Size curRes=null;

    mCamera.lock();

    for ( Size r: getResolutionList() ) {
        if (r.width>maxWidth) {
            maxWidth=r.width;
            curRes=r;
        }
    }

    return curRes;
}

源代码22 项目： imsdk-android 文件： CustomCaptureActvity.java

public void onPreviewFrame(byte[] data, Camera camera) {
            Size size = camera.getParameters().getPreviewSize();

            // 这里需要将获取的data翻转一下，因为相机默认拿的的横屏的数据
            byte[] rotatedData = new byte[data.length];
            for (int y = 0; y < size.height; y++) {
                for (int x = 0; x < size.width; x++)
                    rotatedData[x * size.height + size.height - y - 1] = data[x + y * size.width];
            }

            // 宽高也要调整
            int tmp = size.width;
            size.width = size.height;
            size.height = tmp;

            initCrop();
            /**
             * TODO
             * ZBarDecoder 为qunar库 由于sdk需要剔除qunar相关的库 所以暂时注释掉
             */
//            ZBarDecoder zBarDecoder = new ZBarDecoder();
            String result = null;// = zBarDecoder.decodeCrop(rotatedData, size.width, size.height, mCropRect.left, mCropRect.top, mCropRect.width(), mCropRect.height());

            if (!TextUtils.isEmpty(result)) {
                previewing = false;
                mCamera.setPreviewCallback(null);
                mCamera.stopPreview();
                scanResult.setText("barcode result " + result);
                barcodeScanned = true;
                Intent intent = getIntent();
                intent.putExtra("content",result);
                setResult(Activity.RESULT_OK,intent);
                CustomCaptureActvity.this.finish();
            }
        }

源代码23 项目： FamilyChat 文件： CameraManager.java

public Size getPreviewSize()
{
    if (null != camera)
    {
        return camera.getParameters().getPreviewSize();
    }
    return null;
}

源代码24 项目： TikTok 文件： CameraEngine.java

private static Size getPictureSize(){
    if(camera == null){
        return null;
    }
    try{
        return camera.getParameters().getPictureSize();
    }catch (Exception e){
        return null;
    }
}

源代码25 项目： react-native-documentscanner-android 文件： OpenNoteCameraView.java

public Camera.Size getMaxPictureResolution(float previewRatio) {
    int maxPixels=0;
    int ratioMaxPixels=0;
    Camera.Size currentMaxRes=null;
    Camera.Size ratioCurrentMaxRes=null;
    for ( Camera.Size r: getPictureResolutionList() ) {
        float pictureRatio = (float) r.width / r.height;
        Log.d(TAG,"supported picture resolution: "+r.width+"x"+r.height+" ratio: "+pictureRatio);
        int resolutionPixels = r.width * r.height;

        if (resolutionPixels>ratioMaxPixels && pictureRatio == previewRatio) {
            ratioMaxPixels=resolutionPixels;
            ratioCurrentMaxRes=r;
        }

        if (resolutionPixels>maxPixels) {
            maxPixels=resolutionPixels;
            currentMaxRes=r;
        }
    }

    //boolean matchAspect = mSharedPref.getBoolean("match_aspect", true);

    if (ratioCurrentMaxRes!=null && true) {

        Log.d(TAG,"Max supported picture resolution with preview aspect ratio: "
                + ratioCurrentMaxRes.width+"x"+ratioCurrentMaxRes.height);
        return ratioCurrentMaxRes;

    }

    return currentMaxRes;
}

源代码26 项目： react-native-documentscanner-android 文件： OpenNoteCameraView.java

public void setResolution(Size resolution) {
    disconnectCamera();
    mMaxHeight = resolution.height;
    mMaxWidth = resolution.width;
    connectCamera(getWidth(), getHeight());
    Log.d(TAG,"resolution: "+resolution.width+" x "+resolution.height);
}

源代码27 项目： TextOcrExample 文件： CameraUtil.java

public boolean equalRate(Size s, float rate) {
    float r = (float) (s.width) / (float) (s.height);
    if (Math.abs(r - rate) <= 0.03) {
        return true;
    } else {
        return false;
    }
}

源代码28 项目： TextOcrExample 文件： CameraUtil.java

public int compare(Size lhs, Size rhs) {
    if (lhs.width == rhs.width) {
        return 0;
    } else if (lhs.width < rhs.width) {
        return 1;
    } else {
        return -1;
    }
}

源代码29 项目： TextOcrExample 文件： CameraUtil.java

public int compare(Size lhs, Size rhs) {
    if (lhs.width == rhs.width) {
        return 0;
    } else if (lhs.width > rhs.width) {
        return 1;
    } else {
        return -1;
    }
}

源代码30 项目： CameraDemo 文件： CameraProxy.java

private void initConfig() {
    Log.v(TAG, "initConfig");
    try {
        mParameters = mCamera.getParameters();
        // 如果摄像头不支持这些参数都会出错的，所以设置的时候一定要判断是否支持
        List<String> supportedFlashModes = mParameters.getSupportedFlashModes();
        if (supportedFlashModes != null && supportedFlashModes.contains(Parameters.FLASH_MODE_OFF)) {
            mParameters.setFlashMode(Parameters.FLASH_MODE_OFF); // 设置闪光模式
        }
        List<String> supportedFocusModes = mParameters.getSupportedFocusModes();
        if (supportedFocusModes != null && supportedFocusModes.contains(Parameters.FOCUS_MODE_AUTO)) {
            mParameters.setFocusMode(Parameters.FOCUS_MODE_AUTO); // 设置聚焦模式
        }
        mParameters.setPreviewFormat(ImageFormat.NV21); // 设置预览图片格式
        mParameters.setPictureFormat(ImageFormat.JPEG); // 设置拍照图片格式
        mParameters.setExposureCompensation(0); // 设置曝光强度
        Size previewSize = getSuitableSize(mParameters.getSupportedPreviewSizes());
        mPreviewWidth = previewSize.width;
        mPreviewHeight = previewSize.height;
        mParameters.setPreviewSize(mPreviewWidth, mPreviewHeight); // 设置预览图片大小
        Log.d(TAG, "previewWidth: " + mPreviewWidth + ", previewHeight: " + mPreviewHeight);
        Size pictureSize = getSuitableSize(mParameters.getSupportedPictureSizes());
        mParameters.setPictureSize(pictureSize.width, pictureSize.height);
        Log.d(TAG, "pictureWidth: " + pictureSize.width + ", pictureHeight: " + pictureSize.height);
        mCamera.setParameters(mParameters); // 将设置好的parameters添加到相机里
    } catch (Exception e) {
        e.printStackTrace();
    }
}

类所在包

android.hardware

类方法

同包方法

android.hardware.Camera

android.hardware.SensorManager

android.hardware.Sensor

android.hardware.SensorEvent

android.hardware.SensorEventListener

android.hardware.camera2.CameraManager

android.hardware.camera2.CameraCharacteristics

android.hardware.camera2.CameraAccessException