Example usage for android.content Intent ACTION_DEVICE_STORAGE_LOW

Introduction

In this page you can find the example usage for android.content Intent ACTION_DEVICE_STORAGE_LOW.

Prototype

String ACTION_DEVICE_STORAGE_LOW

To view the source code for android.content Intent ACTION_DEVICE_STORAGE_LOW.

Click Source Link

Document

Broadcast Action: A sticky broadcast that indicates low storage space condition on the device

This is a protected intent that can only be sent by the system.

Usage

From source file:com.tobrun.vision.qr.QRScanFragment.java

private void onCreateDetector(@NonNull final View view) {
    final Context context = view.getContext().getApplicationContext();
    final BarcodeDetector barcodeDetector = new BarcodeDetector.Builder(context).build();
    barcodeDetector.setProcessor(new MultiProcessor.Builder<>(new MultiProcessor.Factory<Barcode>() {
        @Override/*from   w ww.  j av a2  s  .  c  o m*/
        public Tracker<Barcode> create(final Barcode barcode) {
            getActivity().runOnUiThread(new Runnable() {
                @Override
                public void run() {
                    mCallback.onScanComplete(barcode.displayValue);
                    mPreview.stop();
                }
            });
            return new Tracker<>();
        }
    }).build());

    if (!barcodeDetector.isOperational()) {
        IntentFilter lowStorageFilter = new IntentFilter(Intent.ACTION_DEVICE_STORAGE_LOW);
        if (context.registerReceiver(null, lowStorageFilter) != null) {
            // Low storage
            mCallback.onCameraError(R.string.camera_error_low_storage);
        } else {
            // Native libs unavailable
            mCallback.onCameraError(R.string.camera_error_dependencies);
        }
        return;
    }

    final ViewTreeObserver observer = view.getViewTreeObserver();
    observer.addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() {
        @Override
        public void onGlobalLayout() {
            if (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN) {
                view.getViewTreeObserver().removeGlobalOnLayoutListener(this);
            } else {
                view.getViewTreeObserver().removeOnGlobalLayoutListener(this);
            }

            CameraSource.Builder builder = new CameraSource.Builder(context, barcodeDetector)
                    .setFacing(CameraSource.CAMERA_FACING_BACK)
                    .setRequestedPreviewSize(view.getMeasuredWidth(), view.getMeasuredHeight())
                    .setRequestedFps(30.0f);

            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) {
                builder = builder.setFocusMode(Camera.Parameters.FOCUS_MODE_CONTINUOUS_PICTURE);
            }

            mCameraSource = builder.build();
            startCameraSource();
        }
    });
}

---

From source file:com.csusm.twinder.Fragment.QRScanFragment.java

private void onCreateDetector(@NonNull final View view) {
    final Context context = view.getContext().getApplicationContext();
    final BarcodeDetector barcodeDetector = new BarcodeDetector.Builder(context).build();
    barcodeDetector.setProcessor(new MultiProcessor.Builder<>(new MultiProcessor.Factory<Barcode>() {
        @Override/*from  ww  w  .j  a v  a2  s  .  c o  m*/
        public Tracker<Barcode> create(final Barcode barcode) {
            getActivity().runOnUiThread(new Runnable() {
                @Override
                public void run() {
                    mCallback.onScanComplete(barcode.displayValue);
                    mPreview.stop();

                    Intent intent = new Intent(getContext(), ScanSuccessActivity.class);
                    intent.putExtra("BARCODE", barcode.displayValue);

                    QRScanFragment.this.startActivity(intent);

                }
            });
            return new Tracker<>();
        }
    }).build());

    if (!barcodeDetector.isOperational()) {
        IntentFilter lowStorageFilter = new IntentFilter(Intent.ACTION_DEVICE_STORAGE_LOW);
        if (context.registerReceiver(null, lowStorageFilter) != null) {
            // Low storage
            mCallback.onCameraError(R.string.camera_error_low_storage);
        } else {
            // Native libs unavailable
            mCallback.onCameraError(R.string.camera_error_dependencies);
        }
        return;
    }

    final ViewTreeObserver observer = view.getViewTreeObserver();
    observer.addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() {
        @Override
        public void onGlobalLayout() {
            if (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN) {
                view.getViewTreeObserver().removeGlobalOnLayoutListener(this);
            } else {
                view.getViewTreeObserver().removeOnGlobalLayoutListener(this);
            }

            CameraSource.Builder builder = new CameraSource.Builder(context, barcodeDetector)
                    .setFacing(CameraSource.CAMERA_FACING_BACK)
                    .setRequestedPreviewSize(view.getMeasuredWidth(), view.getMeasuredHeight())
                    .setRequestedFps(30.0f);

            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) {
                builder = builder.setFocusMode(Camera.Parameters.FOCUS_MODE_CONTINUOUS_PICTURE);
            }

            mCameraSource = builder.build();
            startCameraSource();
        }
    });
}

---

From source file:com.perchtech.humraz.blind.OcrCaptureActivity.java

@SuppressLint("InlinedApi")
private void createCameraSource(boolean autoFocus, boolean useFlash) {
    Context context = getApplicationContext();

    TextRecognizer textRecognizer = new TextRecognizer.Builder(context).build();
    textRecognizer.setProcessor(new OcrDetectorProcessor(mGraphicOverlay));

    if (!textRecognizer.isOperational()) {

        Log.w(TAG, "Detector dependencies are not yet available.");

        IntentFilter lowstorageFilter = new IntentFilter(Intent.ACTION_DEVICE_STORAGE_LOW);
        boolean hasLowStorage = registerReceiver(null, lowstorageFilter) != null;

        if (hasLowStorage) {
            Toast.makeText(this, R.string.low_storage_error, Toast.LENGTH_LONG).show();
            Log.w(TAG, getString(R.string.low_storage_error));
        }/*from   w w w  .  ja v a 2  s .  c o m*/
    }

    mCameraSource = new CameraSource.Builder(getApplicationContext(), textRecognizer)
            .setFacing(CameraSource.CAMERA_FACING_BACK).setRequestedPreviewSize(1280, 1024)
            .setRequestedFps(2.0f).setFlashMode(useFlash ? Camera.Parameters.FLASH_MODE_TORCH : null)
            .setFocusMode(autoFocus ? Camera.Parameters.FOCUS_MODE_CONTINUOUS_PICTURE : null).build();
}

---

From source file:br.com.appvis.appvis.barcode.BarcodeCaptureActivity.java

/**
 * Creates and starts the camera./*from  ww w . j a va2  s  .  c o  m*/
 *
 * Suppressing InlinedApi since there is a check that the minimum version is met before using
 * the constant.
 */
@SuppressLint("InlinedApi")
private void createCameraSource(boolean autoFocus, boolean useFlash) {
    Context context = getApplicationContext();

    // A barcode detector is created to track barcodes.  An associated multi-processor instance
    // is set to receive the barcode detection results, track the barcodes, and maintain
    // graphics for each barcode on screen.  The factory is used by the multi-processor to
    // create a separate tracker instance for each barcode.
    BarcodeDetector barcodeDetector = new BarcodeDetector.Builder(context)
            .setBarcodeFormats(Barcode.ALL_FORMATS).build();
    BarcodeTrackerFactory barcodeFactory = new BarcodeTrackerFactory(this);
    barcodeDetector.setProcessor(new MultiProcessor.Builder<>(barcodeFactory).build());

    if (!barcodeDetector.isOperational()) {
        // Note: The first time that an app using the barcode or face API is installed on a
        // device, GMS will download a native libraries to the device in order to do detection.
        // Usually this completes before the app is run for the first time.  But if that
        // download has not yet completed, then the above call will not detect any barcodes
        // and/or faces.
        //
        // isOperational() can be used to check if the required native libraries are currently
        // available.  The detectors will automatically become operational once the library
        // downloads complete on device.
        Log.w(TAG, "Detector dependencies are not yet available.");

        // Check for low storage.  If there is low storage, the native library will not be
        // downloaded, so detection will not become operational.
        IntentFilter lowstorageFilter = new IntentFilter(Intent.ACTION_DEVICE_STORAGE_LOW);
        boolean hasLowStorage = registerReceiver(null, lowstorageFilter) != null;

        if (hasLowStorage) {
            Toast.makeText(this, R.string.low_storage_error, Toast.LENGTH_LONG).show();
            Log.w(TAG, getString(R.string.low_storage_error));
        }
    }

    // Creates and starts the camera.  Note that this uses a higher resolution in comparison
    // to other detection examples to enable the barcode detector to detect small barcodes
    // at long distances.
    DisplayMetrics metrics = new DisplayMetrics();
    getWindowManager().getDefaultDisplay().getMetrics(metrics);

    CameraSource.Builder builder = new CameraSource.Builder(getApplicationContext(), barcodeDetector)
            .setFacing(CameraSource.CAMERA_FACING_BACK)
            .setRequestedPreviewSize(metrics.widthPixels, metrics.heightPixels).setRequestedFps(24.0f);

    // make sure that auto focus is an available option
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) {
        builder = builder.setFocusMode(autoFocus ? Camera.Parameters.FOCUS_MODE_CONTINUOUS_PICTURE : null);
    }

    mCameraSource = builder.setFlashMode(useFlash ? Camera.Parameters.FLASH_MODE_TORCH : null).build();
}

---

From source file:com.tylerphelps.motormonitor.barcode.BarcodeCaptureActivity.java

/**
 * Creates and starts the camera.//from  ww w  .  ja  v  a  2s  .  co  m
 *
 * Suppressing InlinedApi since there is a check that the minimum version is met before using
 * the constant.
 */
@SuppressLint("InlinedApi")
private void createCameraSource(boolean autoFocus, boolean useFlash) {
    Context context = getApplicationContext();

    // A barcode detector is created to track barcodes.  An associated multi-processor instance
    // is set to receive the barcode detection results, track the barcodes, and maintain
    // graphics for each barcode on screen.  The factory is used by the multi-processor to
    // create a separate tracker instance for each barcode.
    BarcodeDetector barcodeDetector = new BarcodeDetector.Builder(context).setBarcodeFormats(0).build(); // 0 = ALL_FORMATS
    BarcodeTrackerFactory barcodeFactory = new BarcodeTrackerFactory(this);
    barcodeDetector.setProcessor(new MultiProcessor.Builder<>(barcodeFactory).build());

    if (!barcodeDetector.isOperational()) {
        // Note: The first time that an app using the barcode or face API is installed on a
        // device, GMS will download a native libraries to the device in order to do detection.
        // Usually this completes before the app is run for the first time.  But if that
        // download has not yet completed, then the above call will not detect any barcodes
        // and/or faces.
        //
        // isOperational() can be used to check if the required native libraries are currently
        // available.  The detectors will automatically become operational once the library
        // downloads complete on device.
        Log.w(TAG, "Detector dependencies are not yet available.");

        // Check for low storage.  If there is low storage, the native library will not be
        // downloaded, so detection will not become operational.
        IntentFilter lowstorageFilter = new IntentFilter(Intent.ACTION_DEVICE_STORAGE_LOW);
        boolean hasLowStorage = registerReceiver(null, lowstorageFilter) != null;

        if (hasLowStorage) {
            Toast.makeText(this, "Low storage", Toast.LENGTH_LONG).show();
        }
    }

    // Creates and starts the camera.  Note that this uses a higher resolution in comparison
    // to other detection examples to enable the barcode detector to detect small barcodes
    // at long distances.
    DisplayMetrics metrics = new DisplayMetrics();
    getWindowManager().getDefaultDisplay().getMetrics(metrics);

    CameraSource.Builder builder = new CameraSource.Builder(getApplicationContext(), barcodeDetector)
            .setFacing(CameraSource.CAMERA_FACING_BACK)
            .setRequestedPreviewSize(metrics.widthPixels, metrics.heightPixels).setRequestedFps(24.0f);

    // make sure that auto focus is an available option
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) {
        builder = builder.setFocusMode(autoFocus ? Camera.Parameters.FOCUS_MODE_CONTINUOUS_PICTURE : null);
    }

    mCameraSource = builder.setFlashMode(useFlash ? Camera.Parameters.FLASH_MODE_TORCH : null).build();
}

---

From source file:it.jaschke.alexandria.activities.BarcodeCaptureActivity.java

@SuppressLint("InlinedApi")
private void createCameraSource(boolean autoFocus, boolean useFlash) {
    Context context = getApplicationContext();

    // A barcode detector is created to track barcodes.  An associated multi-processor instance
    // is set to receive the barcode detection results, track the barcodes, and maintain
    // graphics for each barcode on screen.  The factory is used by the multi-processor to
    // create a separate tracker instance for each barcode.
    BarcodeDetector barcodeDetector = new BarcodeDetector.Builder(context).build();
    BarcodeTrackerFactory barcodeFactory = new BarcodeTrackerFactory(mGraphicOverlay);
    barcodeDetector.setProcessor(new MultiProcessor.Builder<>(barcodeFactory).build());

    if (!barcodeDetector.isOperational()) {
        Log.w(TAG, "Detector dependencies are not yet available.");
        IntentFilter lowstorageFilter = new IntentFilter(Intent.ACTION_DEVICE_STORAGE_LOW);
        boolean hasLowStorage = registerReceiver(null, lowstorageFilter) != null;
        if (hasLowStorage) {
            Toast.makeText(this, R.string.low_storage_error, Toast.LENGTH_LONG).show();
            Log.w(TAG, getString(R.string.low_storage_error));
        }/*from w  w  w  . ja  v a2s .  c  o  m*/
    }

    CameraSource.Builder builder = new CameraSource.Builder(getApplicationContext(), barcodeDetector)
            .setFacing(CameraSource.CAMERA_FACING_BACK).setRequestedPreviewSize(1600, 1024)
            .setRequestedFps(15.0f);

    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) {
        builder = builder.setFocusMode(autoFocus ? Camera.Parameters.FOCUS_MODE_CONTINUOUS_PICTURE : null);
    }

    mCameraSource = builder.setFlashMode(useFlash ? Camera.Parameters.FLASH_MODE_TORCH : null).build();
}

---

From source file:com.seemann.ben.salisburyzoo.barcode.BarcodeCaptureActivity.java

/**
 * Creates and starts the camera./*w ww .j a v a 2s  .  c  o  m*/
 *
 * Suppressing InlinedApi since there is a check that the minimum version is met before using
 * the constant.
 */
@SuppressLint("InlinedApi")
private void createCameraSource(boolean autoFocus, boolean useFlash) {
    Context context = getApplicationContext();

    // A barcode detector is created to track barcodes.  An associated multi-processor instance
    // is set to receive the barcode detection results, track the barcodes, and maintain
    // graphics for each barcode on screen.  The factory is used by the multi-processor to
    // create a separate tracker instance for each barcode.
    BarcodeDetector barcodeDetector = new BarcodeDetector.Builder(context).setBarcodeFormats(Barcode.QR_CODE)
            .build();
    BarcodeTrackerFactory barcodeFactory = new BarcodeTrackerFactory(this);
    barcodeDetector.setProcessor(new MultiProcessor.Builder<>(barcodeFactory).build());

    if (!barcodeDetector.isOperational()) {
        // Note: The first time that an app using the barcode or face API is installed on a
        // device, GMS will download a native libraries to the device in order to do detection.
        // Usually this completes before the app is run for the first time.  But if that
        // download has not yet completed, then the above call will not detect any barcodes
        // and/or faces.
        //
        // isOperational() can be used to check if the required native libraries are currently
        // available.  The detectors will automatically become operational once the library
        // downloads complete on device.
        Log.w(TAG, "Detector dependencies are not yet available.");

        // Check for low storage.  If there is low storage, the native library will not be
        // downloaded, so detection will not become operational.
        IntentFilter lowstorageFilter = new IntentFilter(Intent.ACTION_DEVICE_STORAGE_LOW);
        boolean hasLowStorage = registerReceiver(null, lowstorageFilter) != null;

        if (hasLowStorage) {
            Toast.makeText(this, R.string.low_storage_error, Toast.LENGTH_LONG).show();
            Log.w(TAG, getString(R.string.low_storage_error));
        }
    }

    // Creates and starts the camera.  Note that this uses a higher resolution in comparison
    // to other detection examples to enable the barcode detector to detect small barcodes
    // at long distances.
    DisplayMetrics metrics = new DisplayMetrics();
    getWindowManager().getDefaultDisplay().getMetrics(metrics);

    CameraSource.Builder builder = new CameraSource.Builder(getApplicationContext(), barcodeDetector)
            .setFacing(CameraSource.CAMERA_FACING_BACK)
            .setRequestedPreviewSize(metrics.widthPixels, metrics.heightPixels).setRequestedFps(24.0f);

    // make sure that auto focus is an available option
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) {
        builder = builder.setFocusMode(autoFocus ? Camera.Parameters.FOCUS_MODE_CONTINUOUS_PICTURE : null);
    }

    mCameraSource = builder.setFlashMode(useFlash ? Camera.Parameters.FLASH_MODE_TORCH : null).build();
}

---

From source file:me.heron.safefoodscanner.activity.MainActivity.java

private void checkLowStorage() {

    IntentFilter lowStorageFilter = new IntentFilter(Intent.ACTION_DEVICE_STORAGE_LOW);
    boolean hasLowStorage = registerReceiver(null, lowStorageFilter) != null;

    if (hasLowStorage) {
        Toast.makeText(this, R.string.low_storage_error, Toast.LENGTH_LONG).show();
    }/*w  ww  .  j  a  v  a2  s .com*/

}

---

From source file:com.google.android.gms.samples.vision.face.photo.PhotoViewerActivity.java

@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
    if (requestCode == REQUEST_IMAGE_CAPTURE && resultCode == RESULT_OK) {

        Bitmap bitmap = grabImage();/*  ww  w. ja  v a2 s.c o m*/
        // A new face detector is created for detecting the face and its landmarks.
        //
        // Setting "tracking enabled" to false is recommended for detection with unrelated
        // individual images (as opposed to video or a series of consecutively captured still
        // images).  For detection on unrelated individual images, this will give a more accurate
        // result.  For detection on consecutive images (e.g., live video), tracking gives a more
        // accurate (and faster) result.
        //
        // By default, landmark detection is not enabled since it increases detection time.  We
        // enable it here in order to visualize detected landmarks.
        FaceDetector detector = new FaceDetector.Builder(getApplicationContext()).setTrackingEnabled(false)
                .setLandmarkType(FaceDetector.ALL_LANDMARKS).build();

        // This is a temporary workaround for a bug in the face detector with respect to operating
        // on very small images.  This will be fixed in a future release.  But in the near term, use
        // of the SafeFaceDetector class will patch the issue.
        Detector<Face> safeDetector = new SafeFaceDetector(detector);

        // Create a frame from the bitmap and run face detection on the frame.
        Frame frame = new Frame.Builder().setBitmap(bitmap).build();
        SparseArray<Face> faces = safeDetector.detect(frame);

        if (!safeDetector.isOperational()) {
            // Note: The first time that an app using face API is installed on a device, GMS will
            // download a native library to the device in order to do detection.  Usually this
            // completes before the app is run for the first time.  But if that download has not yet
            // completed, then the above call will not detect any faces.
            //
            // isOperational() can be used to check if the required native library is currently
            // available.  The detector will automatically become operational once the library
            // download completes on device.
            Log.w(TAG, "Face detector dependencies are not yet available.");

            // Check for low storage.  If there is low storage, the native library will not be
            // downloaded, so detection will not become operational.
            IntentFilter lowstorageFilter = new IntentFilter(Intent.ACTION_DEVICE_STORAGE_LOW);
            boolean hasLowStorage = registerReceiver(null, lowstorageFilter) != null;

            if (hasLowStorage) {
                Toast.makeText(this, R.string.low_storage_error, Toast.LENGTH_LONG).show();
                Log.w(TAG, getString(R.string.low_storage_error));
            }
        }

        FaceView overlay = (FaceView) findViewById(R.id.faceView);
        overlay.setContent(bitmap, faces);

        // Although detector may be used multiple times for different images, it should be released
        // when it is no longer needed in order to free native resources.
        safeDetector.release();
    } else if (requestCode == REQUEST_VIDEO_CAPTURE && resultCode == RESULT_OK) {
        Uri videoUri = data.getData();

    }
}

---

From source file:it.jaschke.alexandria.barcode.BarcodeScanActivity.java

/**
 * Creates and starts the camera.  Note that this uses a higher resolution in comparison
 * to other detection examples to enable the barcode detector to detect small barcodes
 * at long distances.//from w  ww  .ja  v  a2 s .  co  m
 */
private void createCameraSource() {

    Context context = getApplicationContext();
    // A barcode detector is created to track barcodes.  An associated multi-processor instance
    // is set to receive the barcode detection results, track the barcodes, and maintain
    // graphics for each barcode on screen.  The factory is used by the multi-processor to
    // create a separate tracker instance for each barcode.
    BarcodeDetector barcodeDetector = new BarcodeDetector.Builder(context).build();
    //BarcodeTrackerFactory barcodeFactory = new BarcodeTrackerFactory(mGraphicOverlay);
    final MultiProcessor.Factory<Barcode> factory = new MultiProcessor.Factory<Barcode>() {
        @Override
        public Tracker<Barcode> create(final Barcode barcode) {
            final Intent intent = new Intent();
            intent.putExtra(BARCODE, barcode);
            setResult(RESULT_OK, intent);
            finish();
            return null;
        }
    };
    barcodeDetector.setProcessor(new MultiProcessor.Builder<>(factory).build());

    // A multi-detector groups the two detectors together as one detector.  All images received
    // by this detector from the camera will be sent to each of the underlying detectors, which
    // will each do face and barcode detection, respectively.  The detection results from each
    // are then sent to associated tracker instances which maintain per-item graphics on the
    // screen.
    MultiDetector multiDetector = new MultiDetector.Builder().add(barcodeDetector).build();

    if (!multiDetector.isOperational()) {
        // Note: The first time that an app using the barcode or face API is installed on a
        // device, GMS will download a native libraries to the device in order to do detection.
        // Usually this completes before the app is run for the first time.  But if that
        // download has not yet completed, then the above call will not detect any barcodes
        // and/or faces.
        //
        // isOperational() can be used to check if the required native libraries are currently
        // available.  The detectors will automatically become operational once the library
        // downloads complete on device.
        Log.w(TAG, "Detector dependencies are not yet available.");

        // Check for low storage.  If there is low storage, the native library will not be
        // downloaded, so detection will not become operational.
        IntentFilter lowstorageFilter = new IntentFilter(Intent.ACTION_DEVICE_STORAGE_LOW);
        boolean hasLowStorage = registerReceiver(null, lowstorageFilter) != null;

        if (hasLowStorage) {
            Toast.makeText(this, R.string.low_storage_error, Toast.LENGTH_LONG).show();
            Log.w(TAG, getString(R.string.low_storage_error));
        }
    }

    // Creates and starts the camera.  Note that this uses a higher resolution in comparison
    // to other detection examples to enable the barcode detector to detect small barcodes
    // at long distances.
    mCameraSource = new CameraSource.Builder(getApplicationContext(), multiDetector)
            .setFacing(CameraSource.CAMERA_FACING_BACK).setRequestedPreviewSize(1600, 1024)
            .setRequestedFps(15.0f).build();
}

---

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