Example usage for android.hardware.camera2 CameraDevice TEMPLATE

Introduction

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

Prototype

int TEMPLATE_PREVIEW

To view the source code for android.hardware.camera2 CameraDevice TEMPLATE_PREVIEW.

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Create a request suitable for a camera preview window.

Usage

From source file:info.staticfree.mqtt_camera.fragment.CameraFragment.java

/**
 * Creates a new {@link CameraCaptureSession} for camera preview.
 *///  www .j  a v  a2 s.  co m
private void createCameraPreviewSession() {
    try {
        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, imageReader.getSurface()),
                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.
                            if (autoFocus) {
                                previewRequestBuilder.set(CaptureRequest.CONTROL_AF_MODE,
                                        CaptureRequest.CONTROL_AF_MODE_CONTINUOUS_PICTURE);
                            } else {
                                previewRequestBuilder.set(CaptureRequest.CONTROL_AF_MODE,
                                        CaptureRequest.CONTROL_AF_MODE_AUTO);
                            }

                            // Flash is automatically enabled when necessary.
                            setAutoFlash(previewRequestBuilder);

                            // Finally, we start displaying the camera preview.
                            previewRequest = previewRequestBuilder.build();
                            captureSession.setRepeatingRequest(previewRequest, captureCallback,
                                    backgroundHandler);
                        } catch (CameraAccessException e) {
                            Log.e(TAG, "Error creating preview session", e);
                        }
                    }

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

From source file:com.example.android.hdrviewfinder.HdrViewfinderActivity.java

/**
 * Callbacks for CameraOps/*from   w w  w.j a v a 2s .com*/
 */
@Override
public void onCameraReady() {
    // Ready to send requests in, so set them up
    try {
        CaptureRequest.Builder previewBuilder = mCameraOps.createCaptureRequest(CameraDevice.TEMPLATE_PREVIEW);
        previewBuilder.addTarget(mProcessingNormalSurface);
        previewBuilder.setTag(mAutoExposureTag);
        mPreviewRequest = previewBuilder.build();

        mHdrBuilder = mCameraOps.createCaptureRequest(CameraDevice.TEMPLATE_PREVIEW);
        mHdrBuilder.set(CaptureRequest.CONTROL_AE_MODE, CaptureRequest.CONTROL_AE_MODE_OFF);
        mHdrBuilder.addTarget(mProcessingHdrSurface);

        switchRenderMode(0);

    } catch (CameraAccessException e) {
        String errorMessage = getErrorString(e);
        showErrorDialog(errorMessage);
    }
}

From source file:org.odk.collect.android.fragments.Camera2Fragment.java

/**
 * Creates a new {@link CameraCaptureSession} for camera preview.
 *///from  ww  w  . j  a  v  a2  s  .  c o  m
private void createCameraPreviewSession() {
    try {
        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, imageReader.getSurface()),
                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);
                            // Flash is automatically enabled when necessary.
                            setAutoFlash(previewRequestBuilder);

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

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

From source file:com.oddsix.nutripro.fragments.Camera2Fragment.java

/**
 * Creates a new {@link CameraCaptureSession} for camera preview.
 *//* w  w  w  .j a  v  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);
                            // 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) {
                    }
                }, null);
    } catch (CameraAccessException e) {
        e.printStackTrace();
    }
}

From source file:com.team254.cheezdroid.SelfieModeFragment.java

/**
 * Creates a new {@link CameraCaptureSession} for camera preview.
 *//*from   w ww. ja v  a 2  s . 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(mImageReader.getSurface());
        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) {
                        showToast("Failed");
                    }
                }, null);
    } catch (CameraAccessException e) {
        e.printStackTrace();
    }
}

From source file:com.camera2.lib.camera2.Camera2Fragment.java

/**
 * Creates a new {@link CameraCaptureSession} for camera preview.
 *//*from   ww w.  j a va 2  s. co  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);
                            // 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) {
                        Helper.showToast(Camera2Fragment.this, "Failed");
                    }
                }, null);
    } catch (CameraAccessException e) {
        e.printStackTrace();
    }
}

From source file:camera2basic.Camera2BasicFragment.java

/**
 * Creates a new {@link CameraCaptureSession} for camera preview.
 *//*from  www  .ja va 2s.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);
                            // 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) {
                        showToast("Failed");
                    }
                }, null);
    } catch (CameraAccessException e) {
        e.printStackTrace();
    }
}

From source file:com.imperialsoupgmail.tesseractexample.Camera2BasicFragment.java

/**
 * Creates a new {@link CameraCaptureSession} for camera preview.
 *///from  ww  w.ja  va  2s. 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);
                            // Flash is automatically enabled when necessary.
                            setAutoFlash(mPreviewRequestBuilder);

                            // Finally, we start displaying the camera preview.
                            mPreviewRequest = mPreviewRequestBuilder.build();
                            mCaptureSession.capture(mPreviewRequest, mCaptureCallback, 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.base.fragments.Camera2BasicFragment.java

/**
 * Creates a new {@link CameraCaptureSession} for camera preview.
 *//*from  ww  w.j a va 2  s  .  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 setOnLocationUpdateListener 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 setOnLocationUpdateListener 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.
                            setAutoFlash(mPreviewRequestBuilder);

                            // Finally, we setOnLocationUpdateListener 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();
    }
}

From source file:rqg.fantasy.rtmpdemo.Camera2BasicFragment.java

/**
 * Creates a new {@link CameraCaptureSession} for camera preview.
 *///from w  w  w .ja va2s.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);

        mPreviewRequestBuilder.addTarget(mImageReader.getSurface());

        CameraCaptureSession.StateCallback stateCallback = 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.
                    setAutoFlash(mPreviewRequestBuilder);

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

            @Override
            public void onConfigureFailed(@NonNull CameraCaptureSession cameraCaptureSession) {
                showToast("Failed");
            }
        };

        // Here, we create a CameraCaptureSession for camera preview.
        mCameraDevice.createCaptureSession(Arrays.asList(surface, mImageReader.getSurface()), stateCallback,
                mBackgroundHandler);
    } catch (CameraAccessException e) {
        e.printStackTrace();
    }
}

Example usage for android.hardware.camera2 CameraDevice TEMPLATE_PREVIEW

Introduction

Prototype

Document

Usage