Example usage for android.hardware Camera getParameters

Introduction

In this page you can find the example usage for android.hardware Camera getParameters.

Prototype

public Parameters getParameters() 

Source Link

Document

Returns the current settings for this Camera service.

Usage

From source file:com.ezartech.ezar.videooverlay.ezAR.java

private void init(JSONArray args, final CallbackContext callbackContext) {
    this.callbackContext = callbackContext;

    supportSnapshot = getSnapshotPlugin() != null;

    if (args != null) {
        String rgb = DEFAULT_RGB;
        try {/*from   ww w .j a v  a  2  s .c  om*/
            rgb = args.getString(0);
        } catch (JSONException e) {
            //do nothing; resort to DEFAULT_RGB
        }

        setBackgroundColor(Color.parseColor(rgb));
        cordova.getActivity().runOnUiThread(new Runnable() {
            @Override
            public void run() {
                webViewView.setBackgroundColor(getBackgroundColor());
            }
        });
    }

    if (!PermissionHelper.hasPermission(this, permissions[0])) {
        PermissionHelper.requestPermission(this, CAMERA_SEC, Manifest.permission.CAMERA);
        return;
    }

    JSONObject jsonObject = new JSONObject();
    try {
        Display display = activity.getWindowManager().getDefaultDisplay();
        DisplayMetrics m = new DisplayMetrics();
        display.getMetrics(m);

        jsonObject.put("displayWidth", m.widthPixels);
        jsonObject.put("displayHeight", m.heightPixels);

        int mNumberOfCameras = Camera.getNumberOfCameras();
        Log.d(TAG, "Cameras:" + mNumberOfCameras);

        // Find the ID of the back-facing ("default") camera
        Camera.CameraInfo cameraInfo = new Camera.CameraInfo();
        for (int i = 0; i < mNumberOfCameras; i++) {
            Camera.getCameraInfo(i, cameraInfo);

            Parameters parameters;
            Camera open = null;
            try {
                open = Camera.open(i);
                parameters = open.getParameters();
            } finally {
                if (open != null) {
                    open.release();
                }
            }

            Log.d(TAG, "Camera facing:" + cameraInfo.facing);

            CameraDirection type = null;
            for (CameraDirection f : CameraDirection.values()) {
                if (f.getDirection() == cameraInfo.facing) {
                    type = f;
                }
            }

            if (type != null) {
                double zoom = 0;
                double maxZoom = 0;
                if (parameters.isZoomSupported()) {
                    maxZoom = (parameters.getMaxZoom() + 1) / 10.0;
                    zoom = Math.min(parameters.getZoom() / 10.0 + 1, maxZoom);
                }

                JSONObject jsonCamera = new JSONObject();
                jsonCamera.put("id", i);
                jsonCamera.put("position", type.toString());
                jsonCamera.put("zoom", zoom);
                jsonCamera.put("maxZoom", maxZoom);
                jsonObject.put(type.toString(), jsonCamera);
            }
        }
    } catch (JSONException e) {
        Log.e(TAG, "Can't set exception", e);
    }

    callbackContext.success(jsonObject);
}

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From source file:com.jasompeter.openalpr.CameraActivity.java

public void setCorrectOrientation(Camera camera) {
    int displayRotation = getWindowManager().getDefaultDisplay().getRotation();

    int degrees = 0;
    switch (displayRotation) {
    case Surface.ROTATION_0:
        degrees = 0;//from w w w. j  ava  2  s.  c  o m
        break;
    case Surface.ROTATION_90:
        degrees = 90;
        break;
    case Surface.ROTATION_180:
        degrees = 180;
        break;
    case Surface.ROTATION_270:
        degrees = 270;
        break;
    }

    Camera.CameraInfo cameraInfo = getCurrentCameraInfo();
    int resultDegrees;
    if (cameraInfo.facing == Camera.CameraInfo.CAMERA_FACING_FRONT) {
        resultDegrees = (cameraInfo.orientation + degrees) % 360;
        resultDegrees = (360 - resultDegrees) % 360;
    } else {
        resultDegrees = (cameraInfo.orientation - degrees + 360) % 360;
    }

    camera.setDisplayOrientation(resultDegrees);

    Camera.Parameters parameters = camera.getParameters();
    parameters.setRotation(resultDegrees);
    camera.setParameters(parameters);
}

---

From source file:com.gsma.rcs.ri.sharing.video.OutgoingVideoSharing.java

/**
 * Check if good camera sizes are available for encoder. Must be used only before open camera.
 *
 * @param cameraId the camera ID/*from  w  ww. ja  v a  2 s  .  c o m*/
 * @return false if the camera don't have the good preview size for the encoder
 */
boolean checkCameraSize(CameraOptions cameraId) {
    boolean sizeAvailable = false;
    Camera camera = null;
    Method method = getCameraOpenMethod();
    if (method != null) {
        try {
            camera = (Camera) method.invoke(camera, new Object[] { cameraId.getValue() });
        } catch (Exception e) {
            camera = Camera.open();
        }
    } else {
        camera = Camera.open();
    }
    if (camera == null) {
        return false;

    }
    // Check common sizes
    Parameters param = camera.getParameters();
    List<Camera.Size> sizes = param.getSupportedPreviewSizes();
    for (Camera.Size size : sizes) {
        if ((size.width == H264Config.QVGA_WIDTH && size.height == H264Config.QVGA_HEIGHT)
                || (size.width == H264Config.CIF_WIDTH && size.height == H264Config.CIF_HEIGHT)
                || (size.width == H264Config.VGA_WIDTH && size.height == H264Config.VGA_HEIGHT)) {
            sizeAvailable = true;
            break;
        }
    }

    // Release camera
    camera.release();

    return sizeAvailable;
}

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From source file:org.uguess.android.sysinfo.SiragonManager.java

private String[] getAvailableFeatureCamera() {
    Camera camera = Camera.open();
    if (camera != null) {
        try {/* w w w.  j av a 2s.  com*/
            android.hardware.Camera.Parameters parameters = camera.getParameters();
            List<String> values = parameters.getSupportedFocusModes();
            /*                List<String> valuessupport = new ArrayList<String>();
                    
                    
                            for (int i = 0; i < values.size(); i++) {
            String strSize = String.valueOf(i) + " : "
                    + String.valueOf(values.get(i).height)
                    + " x "
                    + String.valueOf(values.get(i).width);
            valuessupport.add(strSize);
                            }
                            camera.release();
                            Log.i("#######################################", String.valueOf(valuessupport));*/
            String[] stringList = values.toArray(new String[values.size()]);
            return stringList;
        } catch (RuntimeException e) {
            e.printStackTrace();
        }
    }

    return null;
}

---

From source file:org.uguess.android.sysinfo.SiragonManager.java

private String[] getSupportedPreviewSizesVideo(int cam) {
    float mp = 0, temp, height, width;
    Camera camera = Camera.open(cam);
    if (camera != null) {
        try {/*from  w  ww.j  a v  a  2  s . co  m*/
            android.hardware.Camera.Parameters parameters = camera.getParameters();
            List<Camera.Size> values = parameters.getSupportedVideoSizes();
            List<String> valuessupport = new ArrayList<String>();

            for (int i = 0; i < values.size(); i++) {
                String strSize = String.valueOf(i) + " : " + String.valueOf(values.get(i).height) + " x "
                        + String.valueOf(values.get(i).width);
                valuessupport.add(strSize);
                if (i == 0) {
                    height = Float.parseFloat(String.valueOf(values.get(i).height));
                    width = Float.parseFloat(String.valueOf(values.get(i).width));
                    temp = ((height * width) / 1024000);
                    mp = temp;

                } else {
                    height = Float.parseFloat(String.valueOf(values.get(i).height));
                    width = Float.parseFloat(String.valueOf(values.get(i).width));
                    temp = ((height * width) / 1024000);
                    if (temp > mp) {
                        mp = temp;
                    }
                    if (i == values.size() - 1) {
                        //valuessupport.add(String.valueOf(mp)+" Megapixels");
                    }
                }
            }
            camera.release();
            Log.i("#######################################", String.valueOf(valuessupport));
            String[] stringList = valuessupport.toArray(new String[valuessupport.size()]);
            return stringList;
        } catch (RuntimeException e) {
            e.printStackTrace();
        }
    }

    return null;
}

---

From source file:org.uguess.android.sysinfo.SiragonManager.java

@TargetApi(Build.VERSION_CODES.ECLAIR)
private String[] getSupportedPreviewSizes(int cam) {
    float mp = 0, temp, height, width;
    Camera camera = Camera.open(cam);
    if (camera != null) {
        try {//from  w  ww .j a  va2 s.  co  m
            android.hardware.Camera.Parameters parameters = camera.getParameters();
            List<Camera.Size> values = parameters.getSupportedPictureSizes();
            List<String> valuessupport = new ArrayList<String>();

            for (int i = 0; i < values.size(); i++) {
                String strSize = String.valueOf(i) + " : " + String.valueOf(values.get(i).height) + " x "
                        + String.valueOf(values.get(i).width);
                valuessupport.add(strSize);
                if (i == 0) {
                    height = Float.parseFloat(String.valueOf(values.get(i).height));
                    width = Float.parseFloat(String.valueOf(values.get(i).width));
                    temp = ((height * width) / 1024000);
                    mp = temp;

                } else {
                    height = Float.parseFloat(String.valueOf(values.get(i).height));
                    width = Float.parseFloat(String.valueOf(values.get(i).width));
                    temp = ((height * width) / 1024000);
                    if (temp > mp) {
                        mp = temp;
                    }
                    if (i == values.size() - 1) {
                        valuessupport.add(String.valueOf(mp) + " Megapixels");
                    }
                }
            }
            camera.release();
            Log.i("#######################################", String.valueOf(valuessupport));
            String[] stringList = valuessupport.toArray(new String[valuessupport.size()]);
            return stringList;
        } catch (RuntimeException e) {
            e.printStackTrace();
        }
    }

    return null;
}

---

From source file:org.uguess.android.sysinfo.SiragonManager.java

private String[] getSupportedOtherCamera(int cam) {
    Camera camera = Camera.open(cam);
    if (camera != null) {
        try {/*from   w ww.j a va2 s.c o m*/
            String[] stringList = new String[7];
            android.hardware.Camera.Parameters parameters = camera.getParameters();
            String values = "Focus mode: " + parameters.getFocusMode();
            stringList[0] = values;
            values = "Max Num Focus Areas: " + parameters.getMaxNumFocusAreas();
            stringList[1] = values;
            values = "Whitebalance Values: " + parameters.getSupportedWhiteBalance();
            stringList[2] = values;
            values = "Scene mode Values: " + parameters.getSupportedSceneModes();
            stringList[3] = values;
            values = "Effects Values: " + parameters.getSupportedColorEffects();
            stringList[4] = values;
            values = "Stabilization Video: " + parameters.getVideoStabilization();
            stringList[4] = values;
            values = "Quality JPEG: " + parameters.getJpegQuality();
            stringList[5] = values;
            values = "Quality Thumbnail: " + parameters.getJpegThumbnailQuality();
            stringList[6] = values;
            camera.release();
            return stringList;
        } catch (RuntimeException e) {
            e.printStackTrace();
        }
    }

    return null;
}

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From source file:com.nekomeshi312.whiteboardcorrection.WhiteBoardCorrectionActivity.java

@Override
public void onPictureTaken(byte[] data, Camera camera) {
    // TODO Auto-generated method stub
    Log.i(LOG_TAG, "onPictureTaken");

    String path = null;/*from  w w w.jav a  2 s . co m*/
    String name = null;
    if (null != data) {
        if (MyDebug.DEBUG)
            Log.d(LOG_TAG, "Captured:size = " + data.length);
        int sdErrorID = SDCardAccess.checkSDCard(this);
        if (0 != sdErrorID) {//SD??????????
            Toast.makeText(this, sdErrorID, Toast.LENGTH_LONG).show();
        } else {
            String fn = null;
            final String folderBase = getString(R.string.picture_folder_base_name);
            final String filenameBase = getString(R.string.picture_base_name);
            final String warpBase = getString(R.string.picture_warped_name);
            name = PictureFolder.createPictureName(this, folderBase, filenameBase, warpBase);
            path = PictureFolder.createPicturePath(this, folderBase);
            String[] n = new String[2];
            if (createPictureName(n)) {
                path = n[0];
                name = n[1];
                fn = path + name;
                if (MyDebug.DEBUG)
                    Log.d(LOG_TAG, "Picture file name = " + fn);

                FileOutputStream fileOutputStream = null;
                try {
                    fileOutputStream = new FileOutputStream(fn);
                    fileOutputStream.write(data);
                } catch (Exception e1) {
                    // TODO Auto-generated catch block
                    e1.printStackTrace();
                    name = null;
                } finally {
                    if (null != fileOutputStream) {
                        try {
                            fileOutputStream.flush();
                            fileOutputStream.close();
                        } catch (IOException e) {
                            // TODO Auto-generated catch block
                            e.printStackTrace();
                            name = null;
                        }
                    }
                }
            }
        }
    }
    mFocusStatus = FOCUS_STATUS_IDLE;
    mShutterStatus = SHUTTER_STATUS_IDLE;

    if (null == name) {
        mFragCameraView.startPreview();//?pictureTaken????activity???????????????startPreview????
        return;
    }
    mFragCameraView.stopPreview();//????????????????????
    //fragment?fragment??
    final int width = camera.getParameters().getPictureSize().width;
    final int height = camera.getParameters().getPictureSize().height;
    final int prevWidth = camera.getParameters().getPreviewSize().width;
    final int prevHeight = camera.getParameters().getPreviewSize().height;

    //???jpge??
    //MediaScannerConnection.scanFile??????????DISPLAY_NAME??WIDTH???
    //?????????????????????
    ContentResolver cr = getContentResolver();
    ContentValues values = new ContentValues();
    values.put(Images.Media.TITLE, name);
    values.put(Images.Media.DISPLAY_NAME, name); //<- ?????????????
    values.put(Images.Media.MIME_TYPE, "image/jpeg");
    values.put(Images.Media.DATA, path + name);
    values.put(Images.Media.WIDTH, width);
    values.put(Images.Media.HEIGHT, height);
    cr.insert(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, values);

    mWhiteBoardCheckInfo.mFilePath = path;
    mWhiteBoardCheckInfo.mFileName = name;
    mWhiteBoardCheckInfo.mPicWidth = width;
    mWhiteBoardCheckInfo.mPicHeight = height;
    mWhiteBoardCheckInfo.mPrevWidth = prevWidth;
    mWhiteBoardCheckInfo.mPrevHeight = prevHeight;
    mWhiteBoardCheckInfo.mIsCaptured = true;
    transitToBoardCheckFragment();
}

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