Example usage for android.app Activity getSystemService

Introduction

In this page you can find the example usage for android.app Activity getSystemService.

Prototype

@Override
    public Object getSystemService(@ServiceName @NonNull String name) 

Source Link

Usage

From source file:com.vanisty.ui.MenuActivity.java

private void showPopup(final Activity context, Point p) {
    int popupWidth = 200;
    int popupHeight = 150;

    // Inflate the popup_layout.xml
    LinearLayout viewGroup = (LinearLayout) context.findViewById(R.id.popup);
    LayoutInflater layoutInflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
    View layout = layoutInflater.inflate(R.layout.popup_layout, viewGroup);

    // Creating the PopupWindow
    final PopupWindow popup = new PopupWindow(context);
    popup.setContentView(layout);/*w w w. j a v  a  2  s  . co  m*/
    popup.setWidth(popupWidth);
    popup.setHeight(popupHeight);
    popup.setFocusable(true);

    // Some offset to align the popup a bit to the right, and a bit down, relative to button's position.
    int OFFSET_X = 30;
    int OFFSET_Y = 30;

    // Clear the default translucent background
    popup.setBackgroundDrawable(new BitmapDrawable());

    // Displaying the popup at the specified location, + offsets.
    popup.showAtLocation(layout, Gravity.NO_GRAVITY, p.x + OFFSET_X, p.y + OFFSET_Y);

    // Getting a reference to Close button, and close the popup when clicked.
    Button close = (Button) layout.findViewById(R.id.close);
    close.setOnClickListener(new OnClickListener() {

        @Override
        public void onClick(View v) {
            popup.dismiss();
        }
    });
}

---

From source file:com.caseystalnaker.android.popinvideodemo.fragments.Camera2VideoFragment.java

/**
 * Tries to open a {@link CameraDevice}. The result is listened by `mStateCallback`.
 *//*from   ww w . j a  v a 2  s.com*/
private void openCamera(final int width, final int height) {
    if (!hasPermissionsGranted(Utils.VIDEO_PERMISSIONS)) {
        requestVideoPermissions();
        return;
    }
    final Activity activity = getActivity();
    if (null == activity || activity.isFinishing()) {
        return;
    }
    CameraManager manager = (CameraManager) activity.getSystemService(Context.CAMERA_SERVICE);
    try {
        Log.d(LOGTAG, "tryAcquire");
        if (!mCameraOpenCloseLock.tryAcquire(4000, TimeUnit.MILLISECONDS)) {
            throw new RuntimeException("Time out waiting to lock camera opening.");
        }
        //play it safe here and use the default camera. No guarantee there is a selfy cam.
        String cameraId = manager.getCameraIdList()[Utils.CAMERA_ID];

        // Choose the sizes for camera preview and video recording
        final CameraCharacteristics characteristics = manager.getCameraCharacteristics(cameraId);
        final StreamConfigurationMap map = characteristics
                .get(CameraCharacteristics.SCALER_STREAM_CONFIGURATION_MAP);
        mSensorOrientation = characteristics.get(CameraCharacteristics.SENSOR_ORIENTATION);
        mVideoSize = chooseVideoSize(map.getOutputSizes(MediaRecorder.class));
        mPreviewSize = chooseOptimalSize(map.getOutputSizes(SurfaceTexture.class), width, height, mVideoSize);

        final int orientation = getResources().getConfiguration().orientation;
        if (orientation == Configuration.ORIENTATION_LANDSCAPE) {
            mTextureView.setAspectRatio(mPreviewSize.getWidth(), mPreviewSize.getHeight());
        } else {
            mTextureView.setAspectRatio(mPreviewSize.getHeight(), mPreviewSize.getWidth());
        }
        configureTransform(width, height);
        mMediaRecorder = new MediaRecorder();
        manager.openCamera(cameraId, mStateCallback, null);
    } catch (SecurityException e) {
        Toast.makeText(activity, "Cannot access the camera.", Toast.LENGTH_SHORT).show();
    } catch (CameraAccessException e) {
        Toast.makeText(activity, "Cannot access the camera.", Toast.LENGTH_SHORT).show();
        //activity.finish();
    } catch (NullPointerException e) {
        // Currently an NPE is thrown when the Camera2API is used but not supported on the
        // device this code runs.
        ErrorDialog.newInstance(getString(R.string.camera_error)).show(getChildFragmentManager(), LOGTAG);
    } catch (InterruptedException e) {
        throw new RuntimeException("Interrupted while trying to lock camera opening.");
    }
}

---

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

/**
 * Tries to open a {@link CameraDevice}. The result is listened by `mStateCallback`.
 *//* ww  w. j av a 2  s.co m*/
private void openCamera(int width, int height) {
    if (!hasPermissionsGranted(VIDEO_PERMISSIONS)) {
        requestVideoPermissions();
        return;
    }
    final Activity activity = getActivity();
    if (null == activity || activity.isFinishing()) {
        return;
    }
    CameraManager manager = (CameraManager) activity.getSystemService(Context.CAMERA_SERVICE);
    try {
        Log.d(TAG, "tryAcquire");
        if (!mCameraOpenCloseLock.tryAcquire(2500, TimeUnit.MILLISECONDS)) {
            throw new RuntimeException("Time out waiting to lock camera opening.");
        }
        String cameraId = manager.getCameraIdList()[0];

        // Choose the sizes for camera preview and video recording
        CameraCharacteristics characteristics = manager.getCameraCharacteristics(cameraId);
        StreamConfigurationMap map = characteristics.get(CameraCharacteristics.SCALER_STREAM_CONFIGURATION_MAP);
        mSensorOrientation = characteristics.get(CameraCharacteristics.SENSOR_ORIENTATION);
        mVideoSize = chooseVideoSize(map.getOutputSizes(MediaRecorder.class));
        mPreviewSize = chooseOptimalSize(map.getOutputSizes(SurfaceTexture.class), width, height, mVideoSize);

        int orientation = getResources().getConfiguration().orientation;
        if (orientation == Configuration.ORIENTATION_LANDSCAPE) {
            mTextureView.setAspectRatio(mPreviewSize.getWidth(), mPreviewSize.getHeight());
        } else {
            mTextureView.setAspectRatio(mPreviewSize.getHeight(), mPreviewSize.getWidth());
        }
        configureTransform(width, height);
        mMediaRecorder = new MediaRecorder();
        manager.openCamera(cameraId, mStateCallback, null);
    } catch (CameraAccessException e) {
        callback.onVideoError("!");
        activity.finish();
    } catch (NullPointerException e) {
        // Currently an NPE is thrown when the Camera2API is used but not supported on the
        // device this code runs.
        ErrorDialog.newInstance(getString(R.string.camera_error)).show(getChildFragmentManager(),
                FRAGMENT_DIALOG);
    } catch (InterruptedException e) {
        throw new RuntimeException("Interrupted while trying to lock camera opening.");
    } catch (SecurityException e) {
    }
}

---

From source file:com.example.hciproject.Camera2VideoFragment.java

/**
 * Tries to open a {@link CameraDevice}. The result is listened by `mStateCallback`.
 *///from  ww  w.j a v a2 s. c  o  m
private void openCamera(int width, int height) {
    if (!hasPermissionsGranted(VIDEO_PERMISSIONS)) {
        requestVideoPermissions();
        return;
    }
    final Activity activity = getActivity();
    if (null == activity || activity.isFinishing()) {
        return;
    }
    CameraManager manager = (CameraManager) activity.getSystemService(Context.CAMERA_SERVICE);
    try {
        Log.d(TAG, "tryAcquire");
        if (!mCameraOpenCloseLock.tryAcquire(2500, TimeUnit.MILLISECONDS)) {
            throw new RuntimeException("Time out waiting to lock camera opening.");
        }
        String cameraId = manager.getCameraIdList()[0];

        // Choose the sizes for camera preview and video recording
        CameraCharacteristics characteristics = manager.getCameraCharacteristics(cameraId);
        StreamConfigurationMap map = characteristics.get(CameraCharacteristics.SCALER_STREAM_CONFIGURATION_MAP);
        mSensorOrientation = characteristics.get(CameraCharacteristics.SENSOR_ORIENTATION);
        mVideoSize = chooseVideoSize(map.getOutputSizes(MediaRecorder.class));
        mPreviewSize = chooseOptimalSize(map.getOutputSizes(SurfaceTexture.class), width, height, mVideoSize);

        int orientation = getResources().getConfiguration().orientation;
        if (orientation == Configuration.ORIENTATION_LANDSCAPE) {
            mTextureView.setAspectRatio(mPreviewSize.getWidth(), mPreviewSize.getHeight());
        } else {
            mTextureView.setAspectRatio(mPreviewSize.getHeight(), mPreviewSize.getWidth());
        }
        configureTransform(width, height);
        mMediaRecorder = new MediaRecorder();
        if (ActivityCompat.checkSelfPermission(getActivity(),
                Manifest.permission.CAMERA) != PackageManager.PERMISSION_GRANTED) {
            // TODO: Consider calling
            //    ActivityCompat#requestPermissions
            // here to request the missing permissions, and then overriding
            //   public void onRequestPermissionsResult(int requestCode, String[] permissions,
            //                                          int[] grantResults)
            // to handle the case where the user grants the permission. See the documentation
            // for ActivityCompat#requestPermissions for more details.
            return;
        }
        manager.openCamera(cameraId, mStateCallback, null);

    } catch (CameraAccessException e) {
        Toast.makeText(activity, "Cannot access the camera.", Toast.LENGTH_SHORT).show();
        activity.finish();
    } catch (NullPointerException e) {
        // Currently an NPE is thrown when the Camera2API is used but not supported on the
        // device this code runs.
        ErrorDialog.newInstance("Camera Error").show(getChildFragmentManager(), FRAGMENT_DIALOG);
    } catch (InterruptedException e) {
        throw new RuntimeException("Interrupted while trying to lock camera opening.");
    }
}

---

From source file:com.iwuvhugs.seekgame.PhotoFragment.java

/**
 * Opens the camera specified by {@link PhotoFragment#mCameraId}.
 *///from ww w.  j  av a 2s  .  c om
private void openCamera(int width, int height) {
    if (ContextCompat.checkSelfPermission(getActivity(),
            Manifest.permission.CAMERA) != PackageManager.PERMISSION_GRANTED) {
        requestCameraPermission();
        return;
    }

    setUpCameraOutputs(width, height);
    configureTransform(width, height);
    Activity activity = getActivity();
    CameraManager manager = (CameraManager) activity.getSystemService(Context.CAMERA_SERVICE);
    try {
        if (!mCameraOpenCloseLock.tryAcquire(2500, TimeUnit.MILLISECONDS)) {
            throw new RuntimeException("Time out waiting to lock camera opening.");
        }
        manager.openCamera(mCameraId, mStateCallback, mBackgroundHandler);
    } catch (CameraAccessException e) {
        e.printStackTrace();
    } catch (InterruptedException e) {
        throw new RuntimeException("Interrupted while trying to lock camera opening.", e);
    }
}

---

From source file:com.tenth.space.ui.fragment.HomeFragment.java

/**
 * Sets up member variables related to camera.
 *
 * @param width  The width of available size for camera preview
 * @param height The height of available size for camera preview
 *///from   w w w .j  a  va  2  s. co m
private void setUpCameraOutputs(int width, int height) {
    Activity activity = getActivity();
    CameraManager manager = (CameraManager) activity.getSystemService(Context.CAMERA_SERVICE);
    try {
        for (String cameraId : manager.getCameraIdList()) {
            CameraCharacteristics characteristics = manager.getCameraCharacteristics(cameraId);

            // We don't use a front facing camera in this sample.
            Integer facing = characteristics.get(CameraCharacteristics.LENS_FACING);
            if (facing != null && facing == CameraCharacteristics.LENS_FACING_FRONT) {
                continue;
            }

            StreamConfigurationMap map = characteristics
                    .get(CameraCharacteristics.SCALER_STREAM_CONFIGURATION_MAP);
            if (map == null) {
                continue;
            }

            // For still image captures, we use the largest available size.
            Size largest = Collections.max(Arrays.asList(map.getOutputSizes(ImageFormat.JPEG)),
                    new CompareSizesByArea());
            // mImageReader = ImageReader.newInstance(largest.getWidth(), largest.getHeight(), ImageFormat.JPEG, /*maxImages*/2);
            // mImageReader.setOnImageAvailableListener(mOnImageAvailableListener, mBackgroundHandler);

            // Find out if we need to swap dimension to get the preview size relative to sensor
            // coordinate.
            int displayRotation = activity.getWindowManager().getDefaultDisplay().getRotation();
            //noinspection ConstantConditions
            mSensorOrientation = characteristics.get(CameraCharacteristics.SENSOR_ORIENTATION);
            boolean swappedDimensions = false;
            switch (displayRotation) {
            case Surface.ROTATION_0:
            case Surface.ROTATION_180:
                if (mSensorOrientation == 90 || mSensorOrientation == 270) {
                    swappedDimensions = true;
                }
                break;
            case Surface.ROTATION_90:
            case Surface.ROTATION_270:
                if (mSensorOrientation == 0 || mSensorOrientation == 180) {
                    swappedDimensions = true;
                }
                break;
            default:
                Log.e(TAG, "Display rotation is invalid: " + displayRotation);
            }

            Point displaySize = new Point();
            activity.getWindowManager().getDefaultDisplay().getSize(displaySize);
            int rotatedPreviewWidth = width;
            int rotatedPreviewHeight = height;
            int maxPreviewWidth = displaySize.x;
            int maxPreviewHeight = displaySize.y;

            if (swappedDimensions) {
                rotatedPreviewWidth = height;
                rotatedPreviewHeight = width;
                maxPreviewWidth = displaySize.y;
                maxPreviewHeight = displaySize.x;
            }

            if (maxPreviewWidth > MAX_PREVIEW_WIDTH) {
                maxPreviewWidth = MAX_PREVIEW_WIDTH;
            }

            if (maxPreviewHeight > MAX_PREVIEW_HEIGHT) {
                maxPreviewHeight = MAX_PREVIEW_HEIGHT;
            }

            // Danger, W.R.! Attempting to use too large a preview size could  exceed the camera
            // bus' bandwidth limitation, resulting in gorgeous previews but the storage of
            // garbage capture data.
            mPreviewSize = chooseOptimalSize(map.getOutputSizes(SurfaceTexture.class), rotatedPreviewWidth,
                    rotatedPreviewHeight, maxPreviewWidth, maxPreviewHeight, largest);

            // We fit the aspect ratio of TextureView to the size of preview we picked.
            int orientation = getResources().getConfiguration().orientation;
            if (orientation == Configuration.ORIENTATION_LANDSCAPE) {
                mTextureView.setAspectRatio(mPreviewSize.getWidth(), mPreviewSize.getHeight());
            } else {
                mTextureView.setAspectRatio(mPreviewSize.getHeight(), mPreviewSize.getWidth());
            }

            // Check if the flash is supported.
            Boolean available = characteristics.get(CameraCharacteristics.FLASH_INFO_AVAILABLE);
            mFlashSupported = available == null ? false : available;

            //  mCameraId = cameraId;
            return;
        }
    } catch (CameraAccessException e) {
        e.printStackTrace();
    } catch (NullPointerException e) {
        // ErrorDialog.newInstance("").show(getChildFragmentManager(), FRAGMENT_DIALOG);
    }
}

---

From source file:com.tzutalin.vision.demo.Camera2BasicFragment.java

/**
 * Opens the camera specified by {@link Camera2BasicFragment#mCameraId}.
 *//*from  w  w w .  jav  a  2  s. c  o m*/
private void openCamera(int width, int height) {
    setUpCameraOutputs(width, height);
    configureTransform(width, height);
    Activity activity = getActivity();
    CameraManager manager = (CameraManager) activity.getSystemService(Context.CAMERA_SERVICE);
    try {
        if (!mCameraOpenCloseLock.tryAcquire(2500, TimeUnit.MILLISECONDS)) {
            throw new RuntimeException("Time out waiting to lock camera opening.");
        }

        //Added by IU for newer (Marshmellow up) devices.
        /*if (ContextCompat.checkSelfPermission(Context, Manifest.permission.CAMERA) == PackageManager.PERMISSION_GRANTED) {
        //Access camera
                
        }else{
        }*/

        manager.openCamera(mCameraId, mStateCallback, mBackgroundHandler);

    } catch (CameraAccessException e) {
        e.printStackTrace();
    } catch (InterruptedException e) {
        throw new RuntimeException("Interrupted while trying to lock camera opening.", e);
    }
}

---

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

/**
 * Opens the camera specified by {@link CameraFragment#mCameraId}.
 *///from w w  w.ja va2 s.  c o m
private void openCamera(int width, int height) {
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
        if (getActivity()
                .checkSelfPermission(Manifest.permission.CAMERA) != PackageManager.PERMISSION_GRANTED) {
            requestCameraPermission();
            return;
        }
    }

    setUpCameraOutputs(width, height);
    configureTransform(width, height);
    Activity activity = getActivity();
    CameraManager manager = (CameraManager) activity.getSystemService(Context.CAMERA_SERVICE);
    try {
        if (!mCameraOpenCloseLock.tryAcquire(2500, TimeUnit.MILLISECONDS)) {
            throw new RuntimeException("Time out waiting to lock camera opening.");
        }
        manager.openCamera(mCameraId, mStateCallback, mBackgroundHandler);
    } catch (CameraAccessException e) {
        e.printStackTrace();
    } catch (InterruptedException e) {
        throw new RuntimeException("Interrupted while trying to lock camera opening.", e);
    }
}

---

From source file:com.mov.android.camera2video.Camera2VideoFragment.java

/**
 * Tries to open a {@link CameraDevice}. The result is listened by `mStateCallback`.
 *///from  w w w . ja  v a 2  s  .com
private void openCamera(int width, int height, boolean isFront) {
    if (!hasPermissionsGranted(VIDEO_PERMISSIONS)) {
        requestVideoPermissions();
        return;
    }
    final Activity activity = getActivity();
    if (null == activity || activity.isFinishing()) {
        return;
    }
    CameraManager manager = (CameraManager) activity.getSystemService(Context.CAMERA_SERVICE);
    try {
        Log.d(TAG, "tryAcquire");
        if (!mCameraOpenCloseLock.tryAcquire(2500, TimeUnit.MILLISECONDS)) {
            throw new RuntimeException("Time out waiting to lock camera opening.");
        }
        String[] cameras = manager.getCameraIdList();
        String cameraId = "";
        for (String cameraId_ : cameras) {
            CameraCharacteristics cameraCharacteristics = manager.getCameraCharacteristics(cameraId_);
            if ((isFront && cameraCharacteristics
                    .get(CameraCharacteristics.LENS_FACING) == CameraCharacteristics.LENS_FACING_FRONT)
                    || (!isFront && cameraCharacteristics.get(
                            CameraCharacteristics.LENS_FACING) == CameraCharacteristics.LENS_FACING_BACK)) {
                cameraId = cameraId_;
                break;
            }
        }

        // Choose the sizes for camera preview and video recording
        CameraCharacteristics characteristics = manager.getCameraCharacteristics(cameraId);
        StreamConfigurationMap map = characteristics.get(CameraCharacteristics.SCALER_STREAM_CONFIGURATION_MAP);
        mSensorOrientation = characteristics.get(CameraCharacteristics.SENSOR_ORIENTATION);
        mVideoSize = chooseVideoSize(map.getOutputSizes(MediaRecorder.class));
        mPreviewSize = chooseOptimalSize(map.getOutputSizes(SurfaceTexture.class), width, height, mVideoSize);

        int orientation = getResources().getConfiguration().orientation;
        if (orientation == Configuration.ORIENTATION_LANDSCAPE) {
            mTextureView.setAspectRatio(mPreviewSize.getWidth(), mPreviewSize.getHeight());
        } else {
            mTextureView.setAspectRatio(mPreviewSize.getHeight(), mPreviewSize.getWidth());
        }
        configureTransform(width, height);
        mMediaRecorder = new MediaRecorder();
        manager.openCamera(cameraId, mStateCallback, null);
    } catch (CameraAccessException e) {
        Toast.makeText(activity, "Cannot access the camera.", Toast.LENGTH_SHORT).show();
        activity.finish();
    } catch (NullPointerException e) {
        // Currently an NPE is thrown when the Camera2API is used but not supported on the
        // device this code runs.
        ErrorDialog.newInstance(getString(R.string.camera_error)).show(getChildFragmentManager(),
                FRAGMENT_DIALOG);
    } catch (InterruptedException e) {
        throw new RuntimeException("Interrupted while trying to lock camera opening.");
    }
}

---

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

/**
 * Opens the camera specified by {@link Camera2Fragment#cameraId}.
 *///  w ww.  j a  va 2s  . c  om
private void openCamera(int width, int height) {
    if (ContextCompat.checkSelfPermission(getActivity(),
            Manifest.permission.CAMERA) != PackageManager.PERMISSION_GRANTED) {
        requestCameraPermission();
        return;
    }
    setUpCameraOutputs(width, height);
    configureTransform(width, height);
    Activity activity = getActivity();
    CameraManager manager = (CameraManager) activity.getSystemService(Context.CAMERA_SERVICE);
    try {
        if (!cameraOpenCloseLock.tryAcquire(2500, TimeUnit.MILLISECONDS)) {
            throw new RuntimeException("Time out waiting to lock camera opening.");
        }
        manager.openCamera(cameraId, stateCallback, backgroundHandler);
    } catch (CameraAccessException e) {
        Timber.e(e);
    } catch (InterruptedException e) {
        throw new RuntimeException("Interrupted while trying to lock camera opening.", e);
    }
}

---

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