Example usage for android.hardware Camera open

Introduction

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

Prototype

public static Camera open(int cameraId) 

Source Link

Document

Creates a new Camera object to access a particular hardware camera.

Usage

From source file:com.personal.xiri.only.common.camera.Camera1.java

private void openCamera() {
    if (mCamera != null) {
        releaseCamera();/*from   www  . j a va2 s  .  c o m*/
    }
    mCamera = Camera.open(mCameraId);
    mCameraParameters = mCamera.getParameters();
    // Supported preview sizes
    mPreviewSizes.clear();
    for (Camera.Size size : mCameraParameters.getSupportedPreviewSizes()) {
        mPreviewSizes.add(new Size(size.width, size.height));
    }
    // Supported picture sizes;
    mPictureSizes.clear();
    for (Camera.Size size : mCameraParameters.getSupportedPictureSizes()) {
        mPictureSizes.add(new Size(size.width, size.height));
    }
    // AspectRatio
    if (mAspectRatio == null) {
        mAspectRatio = Constants.DEFAULT_ASPECT_RATIO;
    }
    adjustCameraParameters();
    mCamera.setDisplayOrientation(calcDisplayOrientation(mDisplayOrientation));
    mCallback.onCameraOpened();
}

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From source file:io.github.data4all.activity.CameraActivity.java

@Override
protected void onResume() {
    super.onResume();
    this.setLayout();
    if (this.isDeviceSupportCamera()) {
        try {/*  w  ww .j  ava  2  s.c om*/
            cameraPreview = (CameraPreview) findViewById(R.id.cameraPreview);

            mCamera = Camera.open(Camera.CameraInfo.CAMERA_FACING_BACK);
            cameraPreview.setCamera(mCamera);
            mCamera.startPreview();
            this.setListener(btnCapture);
        } catch (RuntimeException ex) {
            Toast.makeText(getApplicationContext(), getString(R.string.noCamSupported), Toast.LENGTH_LONG)
                    .show();
            Log.e(TAG, "device supports no camera", ex);
        }
    } else {
        Toast.makeText(getApplicationContext(), getString(R.string.noCamSupported), Toast.LENGTH_LONG).show();
        finish();
        Log.d(TAG, "device supports no camera");
        return;
    }
    listener.enable();
    Intent intent = new Intent(this, OrientationListener.class);
    bindService(intent, orientationListenerConnection, Context.BIND_AUTO_CREATE);
    this.startService(intent);
}

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From source file:com.google.android.cameraview.Camera1.java

private boolean openCamera() {
    if (mCamera != null) {
        releaseCamera();//from  w  ww  .j  ava2 s  . c om
    }

    mCamera = null;
    if (mCameraId == INVALID_CAMERA_ID) {
        mCallback.onCameraNotAvailable();
        return false;
    }

    try {
        mCamera = Camera.open(mCameraId);
    } catch (RuntimeException ex) {
        mCamera = null;
        mCallback.onCameraNotAvailable();
        return false;
    }

    assert (mCamera != null);
    mCameraParameters = mCamera.getParameters();
    // Supported preview sizes
    mPreviewSizes.clear();
    for (Camera.Size size : mCameraParameters.getSupportedPreviewSizes()) {
        mPreviewSizes.add(new Size(size.width, size.height));
    }
    // Supported picture sizes;
    mPictureSizes.clear();
    for (Camera.Size size : mCameraParameters.getSupportedPictureSizes()) {
        mPictureSizes.add(new Size(size.width, size.height));
    }
    // AspectRatio
    if (mAspectRatio == null) {
        mAspectRatio = Constants.DEFAULT_ASPECT_RATIO;
    }
    adjustCameraParameters();
    mCamera.setDisplayOrientation(calcDisplayOrientation(mDisplayOrientation));
    mCallback.onCameraOpened();
    return true;
}

---

From source file:io.mariachi.allianzvision.camera.api14.Camera1.java

private void openCamera() {
    if (mCamera != null) {
        releaseCamera();/*from   w w w. java 2  s  .  c o m*/
    }
    mCamera = Camera.open(mCameraId);
    mCameraParameters = mCamera.getParameters();
    // Supported preview sizes
    mPreviewSizes.clear();
    for (Camera.Size size : mCameraParameters.getSupportedPreviewSizes()) {
        mPreviewSizes.add(new Size(size.width, size.height));
    }
    // Supported picture sizes;
    mPictureSizes.clear();
    for (Camera.Size size : mCameraParameters.getSupportedPictureSizes()) {
        mPictureSizes.add(new Size(size.width, size.height));
    }
    // AspectRatio
    if (mAspectRatio == null) {
        mAspectRatio = Constants.DEFAULT_ASPECT_RATIO;
    }

    adjustCameraParameters();

    mCamera.setDisplayOrientation(calcCameraRotation(mDisplayOrientation));
    mCallback.onCameraOpened();
}

---

From source file:com.fatelon.partyphotobooth.fragments.CaptureFragment.java

@Override
public void onResume() {
    super.onResume();

    // Dim system ui for more immersive ui experience.
    dimSystemUi();/*from  w  ww.  j  a  v a2 s .  co m*/

    if (mCameraId != INVALID_CAMERA_ID) {
        try {
            mCamera = Camera.open(mCameraId);

            /*
             * Configure camera parameters.
             */
            Parameters params = mCamera.getParameters();

            // Set auto white balance if supported.
            List<String> whiteBalances = params.getSupportedWhiteBalance();
            if (whiteBalances != null) {
                for (String whiteBalance : whiteBalances) {
                    if (whiteBalance.equals(Camera.Parameters.WHITE_BALANCE_AUTO)) {
                        params.setWhiteBalance(whiteBalance);
                    }
                }
            }

            // Set auto antibanding if supported.
            List<String> antibandings = params.getSupportedAntibanding();
            if (antibandings != null) {
                for (String antibanding : antibandings) {
                    if (antibanding.equals(Camera.Parameters.ANTIBANDING_AUTO)) {
                        params.setAntibanding(antibanding);
                    }
                }
            }

            // Set macro focus mode if supported.
            List<String> focusModes = params.getSupportedFocusModes();
            if (focusModes != null) {
                for (String focusMode : focusModes) {
                    if (focusMode.equals(Camera.Parameters.FOCUS_MODE_MACRO)) {
                        params.setFocusMode(focusMode);
                    }
                }
            }

            // Set quality for Jpeg capture.
            params.setJpegQuality(CAPTURED_JPEG_QUALITY);

            // Set optimal size for Jpeg capture.
            Size pictureSize = CameraHelper.getOptimalPictureSize(params.getSupportedPreviewSizes(),
                    params.getSupportedPictureSizes(), ImageHelper.IMAGE_SIZE, ImageHelper.IMAGE_SIZE);
            params.setPictureSize(pictureSize.width, pictureSize.height);

            mCamera.setParameters(params);

            /*
             * Setup preview.
             */
            mPreviewDisplayOrientation = CameraHelper.getCameraScreenOrientation(getActivity(), mCameraId);
            mCamera.setDisplayOrientation(mPreviewDisplayOrientation);
            mPreview.start(mCamera, pictureSize.width, pictureSize.height, mPreviewDisplayOrientation);
        } catch (RuntimeException e) {
            // Call to client.
            ICallbacks callbacks = getCallbacks();
            if (callbacks != null) {
                callbacks.onErrorCameraInUse();
            }
        }
    } else {
        // Call to client.
        ICallbacks callbacks = getCallbacks();
        if (callbacks != null) {
            callbacks.onErrorCameraNone();
        }
    }
}

---

From source file:org.opencv.samples.facedetect.PlayerViewDemoActivity.java

public void onResume() {
    super.onResume();

    if (!getPackageManager().hasSystemFeature(PackageManager.FEATURE_CAMERA)) {
        Toast.makeText(this, "No camera on this device", Toast.LENGTH_LONG).show();
    } else {/*from w ww  .j  av  a  2 s  .c  om*/
        cameraId = findFrontFacingCamera();
        if (cameraId < 0) {
            Toast.makeText(this, "No front facing camera found.", Toast.LENGTH_LONG).show();
        } else {
            camera = Camera.open(cameraId);
        }
    }
    camera.startPreview();

    YouTubePlayerView youTubeView = (YouTubePlayerView) findViewById(R.id.youtube_view);
    youTubeView.initialize(DeveloperKey.DEVELOPER_KEY, this);

    playListButton = (Button) findViewById(R.id.button1);
    SeekBar seekBar1 = (SeekBar) findViewById(R.id.seekBar1);

    seekBar1.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {

        @Override
        public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
            // seekBarValue.setText(String.valueOf(progress));
            progress1 = progress;
            ImageView gauge = (ImageView) findViewById(R.id.gaugeImage);

            if (progress <= 6)
                gauge.setImageDrawable(gauges[0]);
            else if (progress > 6 && progress <= 13)
                gauge.setImageDrawable(gauges[1]);
            else if (progress > 13 && progress <= 19)
                gauge.setImageDrawable(gauges[2]);
            else if (progress > 19 && progress <= 25)
                gauge.setImageDrawable(gauges[3]);
            else if (progress > 25 && progress <= 31)
                gauge.setImageDrawable(gauges[4]);
            else if (progress > 31 && progress <= 37)
                gauge.setImageDrawable(gauges[5]);
            else if (progress > 37 && progress <= 43)
                gauge.setImageDrawable(gauges[6]);
            else if (progress > 43 && progress <= 49)
                gauge.setImageDrawable(gauges[7]);
            else if (progress < 49 && progress <= 55)
                gauge.setImageDrawable(gauges[8]);
            else if (progress > 55 && progress <= 61)
                gauge.setImageDrawable(gauges[9]);
            else if (progress > 61 && progress <= 67)
                gauge.setImageDrawable(gauges[10]);
            else if (progress > 67 && progress <= 73)
                gauge.setImageDrawable(gauges[11]);
            else if (progress > 73 && progress <= 79)
                gauge.setImageDrawable(gauges[12]);
            else if (progress > 79 && progress <= 85)
                gauge.setImageDrawable(gauges[13]);
            else if (progress > 85 && progress <= 91)
                gauge.setImageDrawable(gauges[14]);
            else if (progress > 91)
                gauge.setImageDrawable(gauges[15]);
        }

        @Override
        public void onStartTrackingTouch(SeekBar seekBar) {
        }

        @Override
        public void onStopTrackingTouch(SeekBar seekBar) {
            setIdArray();

        }
    });

    CheckBox checkFd = (CheckBox) findViewById(R.id.checkBox1);
    checkFd.setOnCheckedChangeListener(new OnCheckedChangeListener() {

        @Override
        public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
            if (isChecked)
                faceDetection = true;
            else {
                tvTop.setText("Let`s play your mood!");
                faceDetection = false;
            }
        }
    });

    happyImage = (ImageView) findViewById(R.id.hapyFace);
    happyImage.setOnClickListener(new OnClickListener() {

        @Override
        public void onClick(View v) {
            if (faceDetection == false) {
                sadImage.setImageDrawable(getResources().getDrawable(R.drawable.sad_bw));
                happyImage.setImageDrawable(getResources().getDrawable(R.drawable.happy));
                happyImage.bringToFront();
                currentMood = new String("happy");
                setIdArray();
            }
        }
    });

    sadImage = (ImageView) findViewById(R.id.sadFace);
    sadImage.setOnClickListener(new OnClickListener() {

        @Override
        public void onClick(View v) {
            if (faceDetection == false) {
                sadImage.setImageDrawable(getResources().getDrawable(R.drawable.sad));
                happyImage.setImageDrawable(getResources().getDrawable(R.drawable.happy_bw));
                sadImage.bringToFront();
                currentMood = new String("sad");
                setIdArray();
            }
        }
    });

    timerAlert();

    mFacebookBtn = (CheckBox) findViewById(R.id.cb_facebook);

    mProgress = new ProgressDialog(this);
    mFacebook = new Facebook(APP_ID);

    SessionStore.restore(mFacebook, this);

    if (mFacebook.isSessionValid()) {
        mFacebookBtn.setChecked(true);

        String name = SessionStore.getName(this);
        name = (name.equals("")) ? "Unknown" : name;

        mFacebookBtn.setText("  Facebook (" + name + ")");
        mFacebookBtn.setTextColor(Color.WHITE);
    }

    mFacebookBtn.setOnClickListener(new OnClickListener() {
        @Override
        public void onClick(View v) {
            onFacebookClick();
        }
    });

}

---

From source file:org.deviceconnect.android.deviceplugin.host.camera.CameraOverlay.java

private synchronized void showInternal(@NonNull final Callback callback) {
    mHandler.post(new Runnable() {
        @Override/*from   w w  w.j a  va2 s  .  c  o  m*/
        public void run() {
            try {
                mPreview = new Preview(mContext);

                Point size = getDisplaySize();
                int pt = (int) (5 * getScaledDensity());
                WindowManager.LayoutParams l = new WindowManager.LayoutParams(pt, pt,
                        WindowManager.LayoutParams.TYPE_SYSTEM_OVERLAY,
                        WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE
                                | WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN
                                | WindowManager.LayoutParams.FLAG_NOT_TOUCH_MODAL
                                | WindowManager.LayoutParams.FLAG_WATCH_OUTSIDE_TOUCH,
                        PixelFormat.TRANSLUCENT);
                l.x = -size.x / 2;
                l.y = -size.y / 2;
                mWinMgr.addView(mPreview, l);

                mCamera = Camera.open(mCameraId);
                setRequestedPictureSize(mCamera);
                setRequestedPreviewSize(mCamera);
                mPreview.switchCamera(mCameraId, mCamera);
                mCamera.setPreviewCallback(CameraOverlay.this);
                mCamera.setErrorCallback(CameraOverlay.this);

                IntentFilter filter = new IntentFilter();
                filter.addAction(Intent.ACTION_CONFIGURATION_CHANGED);
                mContext.registerReceiver(mOrientReceiver, filter);

                sendNotification();

                callback.onSuccess();
            } catch (Throwable t) {
                if (BuildConfig.DEBUG) {
                    Log.w("Overlay", "", t);
                }
                callback.onFail();
            }
        }
    });
}

---

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.  java 2s  . c o  m*/
            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.gelakinetic.selfr.CameraActivity.java

/**
 * A safe way to get an instance of the Camera object. Also sets up picture size & focus type
 *
 * @param cameraType Camera.CameraInfo.CAMERA_FACING_FRONT or
 *                   Camera.CameraInfo.CAMERA_FACING_BACK
 * @return A Camera object if it was created, or null
 *//*from   ww w  . ja va2s  .  c o m*/
@Nullable
private static Camera getCameraInstance(int cameraType) {
    Camera camera = null;
    try {
        Camera.CameraInfo cameraInfo = new Camera.CameraInfo();
        /* Scan through all the cameras for one of the specified type */
        for (int camIdx = 0; camIdx < Camera.getNumberOfCameras(); camIdx++) {
            Camera.getCameraInfo(camIdx, cameraInfo);
            if (cameraInfo.facing == cameraType) {
                try {
                    /* Open the camera, get default parameters */
                    camera = Camera.open(camIdx);
                    Camera.Parameters parameters = camera.getParameters();

                    /* Set the image to native resolution */
                    List<Camera.Size> sizes = parameters.getSupportedPictureSizes();
                    Camera.Size nativeSize = null;
                    int maxHeight = Integer.MIN_VALUE;
                    for (Camera.Size size : sizes) {
                        if (size.height > maxHeight) {
                            maxHeight = size.height;
                            nativeSize = size;
                        }
                    }
                    if (nativeSize != null) {
                        parameters.setPictureSize(nativeSize.width, nativeSize.height);
                    }

                    /* Set auto-focus, if we can */
                    List<String> focusModes = parameters.getSupportedFocusModes();
                    if (focusModes != null && focusModes.contains(Camera.Parameters.FOCUS_MODE_AUTO)) {
                        parameters.setFocusMode(Camera.Parameters.FOCUS_MODE_AUTO);
                    }

                    /* Set the parameters */
                    camera.setParameters(parameters);

                } catch (RuntimeException e) {
                    /* Eat it */
                }
            }
        }
    } catch (Exception e) {
        /* Camera is not available (in use or does not exist) */
    }
    return camera; /* returns null if camera is unavailable */
}

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From source file:com.czh.testmpeg.videorecord.CameraActivity.java

public void chooseCamera() {
    if (cameraFront) {
        //???/*from   ww  w .  j a v a2  s . c o m*/
        int cameraId = findBackFacingCamera();
        if (cameraId >= 0) {
            // open the backFacingCamera
            // set a picture callback
            // refresh the preview
            mCamera = Camera.open(cameraId);
            // mPicture = getPictureCallback();
            mPreview.refreshCamera(mCamera);
            reloadQualities(cameraId);
        }
    } else {
        //???
        int cameraId = findFrontFacingCamera();
        if (cameraId >= 0) {
            // open the backFacingCamera
            // set a picture callback
            // refresh the preview
            mCamera = Camera.open(cameraId);
            if (flash) {
                flash = false;
                mBinding.buttonFlash.setImageResource(R.mipmap.ic_flash_off_white);
                mPreview.setFlashMode(Camera.Parameters.FLASH_MODE_OFF);
            }
            // mPicture = getPictureCallback();
            mPreview.refreshCamera(mCamera);
            reloadQualities(cameraId);
        }
    }
}

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