Example usage for android.hardware.camera2 CameraDevice TEMPLATE

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In this page you can find the example usage for android.hardware.camera2 CameraDevice TEMPLATE_PREVIEW.

Prototype

int TEMPLATE_PREVIEW

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Create a request suitable for a camera preview window.

Usage

From source file:com.vest.album.fragment.CameraVideoFragment.java

/**
 * Start the camera preview./* w  w  w.j  a  va 2  s. co  m*/
 */
private void startPreview() {
    if (null == mCameraDevice || !mTextureView.isAvailable() || null == mPreviewSize) {
        return;
    }
    try {
        closePreviewSession();
        SurfaceTexture texture = mTextureView.getSurfaceTexture();
        assert texture != null;
        texture.setDefaultBufferSize(mPreviewSize.getWidth(), mPreviewSize.getHeight());
        mPreviewBuilder = mCameraDevice.createCaptureRequest(CameraDevice.TEMPLATE_PREVIEW);

        Surface previewSurface = new Surface(texture);
        mPreviewBuilder.addTarget(previewSurface);

        mCameraDevice.createCaptureSession(Arrays.asList(previewSurface),
                new CameraCaptureSession.StateCallback() {

                    @Override
                    public void onConfigured(CameraCaptureSession cameraCaptureSession) {
                        mPreviewSession = cameraCaptureSession;
                        updatePreview();
                    }

                    @Override
                    public void onConfigureFailed(CameraCaptureSession cameraCaptureSession) {
                        Activity activity = getActivity();
                        if (null != activity) {
                            callback.onVideoError("?!");
                        }
                    }
                }, mBackgroundHandler);
    } catch (CameraAccessException e) {
        e.printStackTrace();
    }
}

From source file:com.tzutalin.dlibtest.CameraConnectionFragment.java

/**
 * Creates a new {@link CameraCaptureSession} for camera preview.
 *///from   w  w  w.  ja  v a  2 s. c  o m
@SuppressLint("LongLogTag")
@DebugLog
private void createCameraPreviewSession() {
    try {
        final SurfaceTexture texture = textureView.getSurfaceTexture();
        assert texture != null;

        // We configure the size of default buffer to be the size of camera preview we want.
        texture.setDefaultBufferSize(previewSize.getWidth(), previewSize.getHeight());
        //texture.setOnFrameAvailableListener();

        // This is the output Surface we need to start preview.
        final Surface surface = new Surface(texture);

        // We set up a CaptureRequest.Builder with the output Surface.
        previewRequestBuilder = cameraDevice.createCaptureRequest(CameraDevice.TEMPLATE_PREVIEW);
        //previewRequestBuilder.addTarget(surface);

        // Create the reader for the preview frames.
        previewReader = ImageReader.newInstance(previewSize.getWidth(), previewSize.getHeight(),
                ImageFormat.YUV_420_888, 2);

        previewReader.setOnImageAvailableListener(mOnGetPreviewListener, backgroundHandler);
        previewRequestBuilder.addTarget(previewReader.getSurface());

        // Here, we create a CameraCaptureSession for camera preview.
        cameraDevice.createCaptureSession(Arrays.asList(previewReader.getSurface()),
                new CameraCaptureSession.StateCallback() {

                    @Override
                    public void onConfigured(final CameraCaptureSession cameraCaptureSession) {
                        // The camera is already closed
                        if (null == cameraDevice) {
                            return;
                        }

                        // When the session is ready, we start displaying the preview.
                        captureSession = cameraCaptureSession;
                        try {
                            // Auto focus should be continuous for camera preview.
                            previewRequestBuilder.set(CaptureRequest.CONTROL_AF_MODE,
                                    CaptureRequest.CONTROL_AF_MODE_CONTINUOUS_PICTURE);
                            // Flash is automatically enabled when necessary.
                            previewRequestBuilder.set(CaptureRequest.CONTROL_AE_MODE,
                                    CaptureRequest.CONTROL_AE_MODE_ON_AUTO_FLASH);

                            // Finally, we start displaying the camera preview.
                            previewRequest = previewRequestBuilder.build();
                            captureSession.setRepeatingRequest(previewRequest, captureCallback,
                                    backgroundHandler);
                        } catch (final CameraAccessException e) {
                            Timber.tag(TAG).e("Exception!", e);
                        }
                    }

                    @Override
                    public void onConfigureFailed(final CameraCaptureSession cameraCaptureSession) {
                        showToast("Failed");
                    }
                }, null);
    } catch (final CameraAccessException e) {
        Timber.tag(TAG).e("Exception!", e);
    }

    mOnGetPreviewListener.initialize(getActivity().getApplicationContext(), getActivity().getAssets(),
            mScoreView, inferenceHandler);
}

From source file:mgumiero9.com.talentcubetest.view.Camera2VideoFragment.java

/**
 * Start the camera preview.//  ww  w  .jav a  2  s.  co m
 */
private void startPreview() {
    if (null == mCameraDevice || !mTextureView.isAvailable() || null == mPreviewSize) {
        return;
    }
    try {
        closePreviewSession();
        SurfaceTexture texture = mTextureView.getSurfaceTexture();
        assert texture != null;
        texture.setDefaultBufferSize(mPreviewSize.getWidth(), mPreviewSize.getHeight());
        mPreviewBuilder = mCameraDevice.createCaptureRequest(CameraDevice.TEMPLATE_PREVIEW);

        Surface previewSurface = new Surface(texture);
        mPreviewBuilder.addTarget(previewSurface);

        mCameraDevice.createCaptureSession(Arrays.asList(previewSurface),
                new CameraCaptureSession.StateCallback() {

                    @Override
                    public void onConfigured(CameraCaptureSession cameraCaptureSession) {
                        mPreviewSession = cameraCaptureSession;
                        updatePreview();

                    }

                    @Override
                    public void onConfigureFailed(CameraCaptureSession cameraCaptureSession) {
                        Activity activity = getActivity();
                        if (null != activity) {
                            Toast.makeText(activity, "Failed", Toast.LENGTH_SHORT).show();
                        }
                    }
                }, mBackgroundHandler);

    } catch (CameraAccessException e) {
        e.printStackTrace();
    }
}

From source file:com.example.testcamera.Camera2BasicFragmentGoogle.java

/**
 * Creates a new {@link CameraCaptureSession} for camera preview.
 *//* ww w  .  jav  a  2  s .com*/
private void createCameraPreviewSession() {
    try {
        SurfaceTexture texture = mTextureView.getSurfaceTexture();
        assert texture != null;

        // We configure the size of default buffer to be the size of camera preview we want.
        texture.setDefaultBufferSize(mPreviewSize.getWidth(), mPreviewSize.getHeight());

        // This is the output Surface we need to start preview.
        Surface surface = new Surface(texture);

        // We set up a CaptureRequest.Builder with the output Surface.
        mPreviewRequestBuilder = mCameraDevice.createCaptureRequest(CameraDevice.TEMPLATE_PREVIEW);
        mPreviewRequestBuilder.addTarget(surface);

        // Here, we create a CameraCaptureSession for camera preview.
        mCameraDevice.createCaptureSession(Arrays.asList(surface, mImageReader.getSurface()),
                new CameraCaptureSession.StateCallback() {

                    @Override
                    public void onConfigured(CameraCaptureSession cameraCaptureSession) {
                        // The camera is already closed
                        if (null == mCameraDevice) {
                            return;
                        }

                        // When the session is ready, we start displaying the preview.
                        mCaptureSession = cameraCaptureSession;
                        try {
                            // Auto focus should be continuous for camera preview.
                            mPreviewRequestBuilder.set(CaptureRequest.CONTROL_AF_MODE,
                                    CaptureRequest.CONTROL_AF_MODE_CONTINUOUS_PICTURE);
                            // Flash is automatically enabled when necessary.
                            mPreviewRequestBuilder.set(CaptureRequest.CONTROL_AE_MODE,
                                    CaptureRequest.CONTROL_AE_MODE_ON_AUTO_FLASH);

                            // Finally, we start displaying the camera preview.
                            mPreviewRequest = mPreviewRequestBuilder.build();
                            mCaptureSession.setRepeatingRequest(mPreviewRequest, mCaptureCallback,
                                    mBackgroundHandler);
                        } catch (CameraAccessException e) {
                            e.printStackTrace();
                        }
                    }

                    @Override
                    public void onConfigureFailed(CameraCaptureSession cameraCaptureSession) {
                        Activity activity = getActivity();
                        if (null != activity) {
                            Toast.makeText(activity, "Failed", Toast.LENGTH_SHORT).show();
                        }
                    }
                }, null);
    } catch (CameraAccessException e) {
        e.printStackTrace();
    }
}

From source file:fr.xebia.magritte.classifier.lite.Camera2BasicFragment.java

/** Creates a new {@link CameraCaptureSession} for camera preview. */
private void createCameraPreviewSession() {
    try {//from ww  w.  ja  v a  2s .c  om
        SurfaceTexture texture = textureView.getSurfaceTexture();
        assert texture != null;

        // We configure the size of default buffer to be the size of camera preview we want.
        texture.setDefaultBufferSize(previewSize.getWidth(), previewSize.getHeight());

        // This is the output Surface we need to start preview.
        Surface surface = new Surface(texture);

        // We set up a CaptureRequest.Builder with the output Surface.
        previewRequestBuilder = cameraDevice.createCaptureRequest(CameraDevice.TEMPLATE_PREVIEW);
        previewRequestBuilder.addTarget(surface);

        // Here, we create a CameraCaptureSession for camera preview.
        cameraDevice.createCaptureSession(Arrays.asList(surface), new CameraCaptureSession.StateCallback() {

            @Override
            public void onConfigured(@NonNull CameraCaptureSession cameraCaptureSession) {
                // The camera is already closed
                if (null == cameraDevice) {
                    return;
                }

                // When the session is ready, we start displaying the preview.
                captureSession = cameraCaptureSession;
                try {
                    // Auto focus should be continuous for camera preview.
                    previewRequestBuilder.set(CaptureRequest.CONTROL_AF_MODE,
                            CaptureRequest.CONTROL_AF_MODE_CONTINUOUS_PICTURE);

                    // Finally, we start displaying the camera preview.
                    previewRequest = previewRequestBuilder.build();
                    captureSession.setRepeatingRequest(previewRequest, captureCallback, backgroundHandler);
                } catch (CameraAccessException e) {
                    e.printStackTrace();
                }
            }

            @Override
            public void onConfigureFailed(@NonNull CameraCaptureSession cameraCaptureSession) {
                showToast("Failed");
            }
        }, null);
    } catch (CameraAccessException e) {
        e.printStackTrace();
    }
}

From source file:com.example.android.tflitecamerademo.Camera2BasicFragment.java

/** Creates a new {@link CameraCaptureSession} for camera preview. */
private void createCameraPreviewSession() {
    try {// w w w.  ja  va2  s  .  c  om
        SurfaceTexture texture = textureView.getSurfaceTexture();
        assert texture != null;

        // We configure the size of default buffer to be the size of camera preview we want.
        texture.setDefaultBufferSize(previewSize.getWidth(), previewSize.getHeight());

        // This is the output Surface we need to start preview.
        Surface surface = new Surface(texture);

        // We set up a CaptureRequest.Builder with the output Surface.
        previewRequestBuilder = cameraDevice.createCaptureRequest(CameraDevice.TEMPLATE_PREVIEW);
        previewRequestBuilder.addTarget(surface);

        // Here, we create a CameraCaptureSession for camera preview.
        cameraDevice.createCaptureSession(Arrays.asList(surface), new CameraCaptureSession.StateCallback() {

            @Override
            public void onConfigured(@NonNull CameraCaptureSession cameraCaptureSession) {
                // The camera is already closed
                if (null == cameraDevice) {
                    return;
                }

                // When the session is ready, we start displaying the preview.
                captureSession = cameraCaptureSession;
                try {
                    // Auto focus should be continuous for camera preview.
                    previewRequestBuilder.set(CaptureRequest.CONTROL_AF_MODE,
                            CaptureRequest.CONTROL_AF_MODE_CONTINUOUS_PICTURE);

                    // Finally, we start displaying the camera preview.
                    previewRequest = previewRequestBuilder.build();
                    captureSession.setRepeatingRequest(previewRequest, captureCallback, backgroundHandler);
                } catch (CameraAccessException e) {
                    Log.e(TAG, "Failed to set up config to capture Camera", e);
                }
            }

            @Override
            public void onConfigureFailed(@NonNull CameraCaptureSession cameraCaptureSession) {
                showToast("Failed");
            }
        }, null);
    } catch (CameraAccessException e) {
        Log.e(TAG, "Failed to preview Camera", e);
    }
}

From source file:com.manufacton.cordova.MyCameraManager.java

/**
 * Creates a new {@link CameraCaptureSession} for camera preview.
 *//* w  ww.j a  v a  2 s  .com*/
private void createCameraPreviewSession() {
    try {

        // We set up a CaptureRequest.Builder with the output Surface.
        mPreviewRequestBuilder = mCameraDevice.createCaptureRequest(CameraDevice.TEMPLATE_PREVIEW);
        mPreviewRequestBuilder.addTarget(mImageReader.getSurface());
        Log.d(TAG, "OPENING CAPTURE SESSION");
        // Here, we create a CameraCaptureSession for camera preview.
        mCameraDevice.createCaptureSession(Arrays.asList(mImageReader.getSurface()),
                new CameraCaptureSession.StateCallback() {

                    @Override
                    public void onConfigured(@NonNull CameraCaptureSession cameraCaptureSession) {
                        // The camera is already closed
                        if (null == mCameraDevice) {
                            return;
                        }
                        Log.d(TAG, "IN onConfigured");
                        // When the session is ready, we start displaying the preview.
                        mCaptureSession = cameraCaptureSession;
                        try {
                            // Auto focus should be continuous for camera preview.
                            mPreviewRequestBuilder.set(CaptureRequest.CONTROL_AF_MODE,
                                    CaptureRequest.CONTROL_AF_MODE_CONTINUOUS_PICTURE);
                            int displayRotation = activity.getWindowManager().getDefaultDisplay().getRotation();
                            mPreviewRequestBuilder.set(CaptureRequest.JPEG_ORIENTATION,
                                    ORIENTATIONS.get(displayRotation));
                            // Flash is automatically enabled when necessary.
                            // setAutoFlash(mPreviewRequestBuilder);

                            // Finally, we start displaying the camera preview.
                            mPreviewRequest = mPreviewRequestBuilder.build();
                            mCaptureSession.setRepeatingRequest(mPreviewRequest, mCaptureCallback,
                                    mBackgroundHandler);
                        } catch (CameraAccessException e) {
                            e.printStackTrace();
                        }
                    }

                    @Override
                    public void onConfigureFailed(@NonNull CameraCaptureSession cameraCaptureSession) {
                        Log.d(TAG, "onConfigured FAILED");
                    }
                }, null);
    } catch (CameraAccessException e) {
        e.printStackTrace();
    }
}

From source file:com.microblink.barcode.customcamera.camera2.Camera2Fragment.java

/**
 * Creates a new {@link CameraCaptureSession} for camera preview.
 *///from w  w  w.  j av  a 2  s .c o m
private void createCameraPreviewSession() {
    try {
        SurfaceTexture texture = mTextureView.getSurfaceTexture();
        assert texture != null;

        // We configure the size of default buffer to be the size of camera preview we want.
        texture.setDefaultBufferSize(mPreviewSize.getWidth(), mPreviewSize.getHeight());

        // This is the output Surface we need to start preview.
        Surface surface = new Surface(texture);

        // We set up a CaptureRequest.Builder with the output Surface.
        mPreviewRequestBuilder = mCameraDevice.createCaptureRequest(CameraDevice.TEMPLATE_PREVIEW);
        mPreviewRequestBuilder.addTarget(surface);

        // Here, we create a CameraCaptureSession for camera preview.
        mCameraDevice.createCaptureSession(Arrays.asList(surface, mImageReader.getSurface()),
                new CameraCaptureSession.StateCallback() {

                    @Override
                    public void onConfigured(@NonNull CameraCaptureSession cameraCaptureSession) {
                        // The camera is already closed
                        if (null == mCameraDevice) {
                            return;
                        }

                        // When the session is ready, we start displaying the preview.
                        mCaptureSession = cameraCaptureSession;
                        try {
                            // Auto focus should be continuous for camera preview.
                            mPreviewRequestBuilder.set(CaptureRequest.CONTROL_AF_MODE,
                                    CaptureRequest.CONTROL_AF_MODE_CONTINUOUS_PICTURE);
                            mPreviewRequestBuilder.set(CaptureRequest.CONTROL_AE_MODE,
                                    CaptureRequest.CONTROL_AE_MODE_ON);

                            // Finally, we start displaying the camera preview.
                            mPreviewRequest = mPreviewRequestBuilder.build();
                            mCaptureSession.setRepeatingRequest(mPreviewRequest, null, mBackgroundHandler);

                            // also prepare capture request for ImageReader
                            mPreviewRequestBuilder.addTarget(mImageReader.getSurface());
                            mFrameRequest = mPreviewRequestBuilder.build();
                            mPreviewRequestBuilder.removeTarget(mImageReader.getSurface());

                            // request frame to image reader
                            mCaptureSession.capture(mFrameRequest, null, mBackgroundHandler);

                        } catch (CameraAccessException e) {
                            e.printStackTrace();
                        }
                    }

                    @Override
                    public void onConfigureFailed(@NonNull CameraCaptureSession cameraCaptureSession) {
                        showToast("Failed");
                    }
                }, null);
    } catch (CameraAccessException e) {
        e.printStackTrace();
    }
}

From source file:com.example.android.learnmore.Camera2BasicFragment.java

private void createCameraPreviewSession() {
    try {/*from   w ww .j  a  va 2s.co  m*/
        SurfaceTexture texture = mTextureView.getSurfaceTexture();
        assert texture != null;

        // We configure the size of default buffer to be the size of camera preview we want.
        texture.setDefaultBufferSize(mPreviewSize.getWidth(), mPreviewSize.getHeight());

        // This is the output Surface we need to start preview.
        Surface surface = new Surface(texture);

        // We set up a CaptureRequest.Builder with the output Surface.
        mPreviewRequestBuilder = mCameraDevice.createCaptureRequest(CameraDevice.TEMPLATE_PREVIEW);
        mPreviewRequestBuilder.addTarget(surface);

        // Here, we create a CameraCaptureSession for camera preview.
        mCameraDevice.createCaptureSession(Arrays.asList(surface, mImageReader.getSurface()),
                new CameraCaptureSession.StateCallback() {

                    @Override
                    public void onConfigured(@NonNull CameraCaptureSession cameraCaptureSession) {
                        // The camera is already closed
                        if (null == mCameraDevice) {
                            return;
                        }

                        // When the session is ready, we start displaying the preview.
                        mCaptureSession = cameraCaptureSession;
                        try {
                            // Auto focus should be continuous for camera preview.
                            mPreviewRequestBuilder.set(CaptureRequest.CONTROL_AF_MODE,
                                    CaptureRequest.CONTROL_AF_MODE_CONTINUOUS_PICTURE);

                            // Finally, we start displaying the camera preview.
                            mPreviewRequest = mPreviewRequestBuilder.build();
                            mCaptureSession.setRepeatingRequest(mPreviewRequest, mCaptureCallback,
                                    mBackgroundHandler);
                        } catch (CameraAccessException e) {
                            e.printStackTrace();
                        }
                    }

                    @Override
                    public void onConfigureFailed(@NonNull CameraCaptureSession cameraCaptureSession) {
                    }
                }, null);
    } catch (CameraAccessException e) {
        e.printStackTrace();
    }
}

From source file:cliq.com.cliqgram.fragments.CameraFragment.java

/**
 * Creates a new {@link CameraCaptureSession} for camera preview.
 */// ww w  . j  a v a  2s.c  om
private void createCameraPreviewSession() {
    try {
        SurfaceTexture texture = mTextureView.getSurfaceTexture();
        assert texture != null;

        // We configure the size of default buffer to be the size of camera preview we want.
        texture.setDefaultBufferSize(mPreviewSize.getWidth(), mPreviewSize.getHeight());

        // This is the output Surface we need to start preview.
        Surface surface = new Surface(texture);

        // We set up a CaptureRequest.Builder with the output Surface.
        mPreviewRequestBuilder = mCameraDevice.createCaptureRequest(CameraDevice.TEMPLATE_PREVIEW);
        mPreviewRequestBuilder.addTarget(surface);

        // Here, we create a CameraCaptureSession for camera preview.
        mCameraDevice.createCaptureSession(Arrays.asList(surface, mImageReader.getSurface()),
                new CameraCaptureSession.StateCallback() {

                    @Override
                    public void onConfigured(@NonNull CameraCaptureSession cameraCaptureSession) {
                        // The camera is already closed
                        if (null == mCameraDevice) {
                            return;
                        }

                        // When the session is ready, we start displaying the preview.
                        mCaptureSession = cameraCaptureSession;
                        try {
                            // Auto focus should be continuous for camera preview.
                            mPreviewRequestBuilder.set(CaptureRequest.CONTROL_AF_MODE,
                                    CaptureRequest.CONTROL_AF_MODE_CONTINUOUS_PICTURE);
                            // Flash is automatically enabled when necessary.
                            mPreviewRequestBuilder.set(CaptureRequest.CONTROL_AE_MODE,
                                    CaptureRequest.CONTROL_AE_MODE_ON_AUTO_FLASH);

                            // Finally, we start displaying the camera preview.
                            mPreviewRequest = mPreviewRequestBuilder.build();
                            mCaptureSession.setRepeatingRequest(mPreviewRequest, mCaptureCallback,
                                    mBackgroundHandler);
                        } catch (CameraAccessException e) {
                            e.printStackTrace();
                        }
                    }

                    @Override
                    public void onConfigureFailed(@NonNull CameraCaptureSession cameraCaptureSession) {
                        showToast("Failed");
                    }
                }, null);
    } catch (CameraAccessException e) {
        e.printStackTrace();
    }
}

Example usage for android.hardware.camera2 CameraDevice TEMPLATE_PREVIEW

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