Examples with RequiresPermission android.support.annotation.RequiresPermission used on opensource projects

Example 1 with RequiresPermission

use of android.support.annotation.RequiresPermission in project android-vision by googlesamples.

the class CameraSource method start.

/**
     * Opens the camera and starts sending preview frames to the underlying detector.  The preview
     * frames are not displayed.
     *
     * @throws IOException if the camera's preview texture or display could not be initialized
     */
@RequiresPermission(Manifest.permission.CAMERA)
public CameraSource start() throws IOException {
    synchronized (mCameraLock) {
        if (mCamera != null) {
            return this;
        }
        mCamera = createCamera();
        // old version of Android. fall back to use SurfaceView.
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
            mDummySurfaceTexture = new SurfaceTexture(DUMMY_TEXTURE_NAME);
            mCamera.setPreviewTexture(mDummySurfaceTexture);
        } else {
            mDummySurfaceView = new SurfaceView(mContext);
            mCamera.setPreviewDisplay(mDummySurfaceView.getHolder());
        }
        mCamera.startPreview();
        mProcessingThread = new Thread(mFrameProcessor);
        mFrameProcessor.setActive(true);
        mProcessingThread.start();
    }
    return this;
}

Example 2 with RequiresPermission

use of android.support.annotation.RequiresPermission in project android-vision by googlesamples.

the class CameraSource method start.

/**
     * Opens the camera and starts sending preview frames to the underlying detector.  The preview
     * frames are not displayed.
     *
     * @throws IOException if the camera's preview texture or display could not be initialized
     */
@RequiresPermission(Manifest.permission.CAMERA)
public CameraSource start() throws IOException {
    synchronized (mCameraLock) {
        if (mCamera != null) {
            return this;
        }
        mCamera = createCamera();
        // old version of Android. fall back to use SurfaceView.
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
            mDummySurfaceTexture = new SurfaceTexture(DUMMY_TEXTURE_NAME);
            mCamera.setPreviewTexture(mDummySurfaceTexture);
        } else {
            mDummySurfaceView = new SurfaceView(mContext);
            mCamera.setPreviewDisplay(mDummySurfaceView.getHolder());
        }
        mCamera.startPreview();
        mProcessingThread = new Thread(mFrameProcessor);
        mFrameProcessor.setActive(true);
        mProcessingThread.start();
    }
    return this;
}

Example 3 with RequiresPermission

use of android.support.annotation.RequiresPermission in project android-vision by googlesamples.

the class CameraSourcePreview method startIfReady.

@RequiresPermission(Manifest.permission.CAMERA)
private void startIfReady() throws IOException, SecurityException {
    if (mStartRequested && mSurfaceAvailable) {
        mCameraSource.start(mSurfaceView.getHolder());
        if (mOverlay != null) {
            Size size = mCameraSource.getPreviewSize();
            int min = Math.min(size.getWidth(), size.getHeight());
            int max = Math.max(size.getWidth(), size.getHeight());
            if (isPortraitMode()) {
                // Swap width and height sizes when in portrait, since it will be rotated by
                // 90 degrees
                mOverlay.setCameraInfo(min, max, mCameraSource.getCameraFacing());
            } else {
                mOverlay.setCameraInfo(max, min, mCameraSource.getCameraFacing());
            }
            mOverlay.clear();
        }
        mStartRequested = false;
    }
}

Example 4 with RequiresPermission

use of android.support.annotation.RequiresPermission in project Talon-for-Twitter by klinker24.

the class PhotoViewerActivity method downloadImage.

@RequiresPermission(Manifest.permission.WRITE_EXTERNAL_STORAGE)
private void downloadImage() {
    new Thread(new Runnable() {

        @Override
        public void run() {
            Looper.prepare();
            try {
                NotificationCompat.Builder mBuilder = new NotificationCompat.Builder(context).setSmallIcon(R.drawable.ic_stat_icon).setTicker(getResources().getString(R.string.downloading) + "...").setContentTitle(getResources().getString(R.string.app_name)).setContentText(getResources().getString(R.string.saving_picture) + "...").setProgress(100, 100, true).setLargeIcon(BitmapFactory.decodeResource(context.getResources(), R.drawable.ic_action_save));
                NotificationManager mNotificationManager = (NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE);
                mNotificationManager.notify(6, mBuilder.build());
                URL mUrl = new URL(url);
                HttpURLConnection conn = (HttpURLConnection) new URL(url).openConnection();
                InputStream is = new BufferedInputStream(conn.getInputStream());
                BitmapFactory.Options options = new BitmapFactory.Options();
                options.inJustDecodeBounds = false;
                Bitmap bitmap = decodeSampledBitmapFromResourceMemOpt(is, 600, 600);
                Random generator = new Random();
                int n = 1000000;
                n = generator.nextInt(n);
                String fname = "Image-" + n;
                Uri uri = IOUtils.saveImage(bitmap, fname, context);
                Intent intent = new Intent();
                intent.setAction(Intent.ACTION_VIEW);
                intent.setDataAndType(uri, "image/*");
                PendingIntent pending = PendingIntent.getActivity(context, 91, intent, 0);
                mBuilder = new NotificationCompat.Builder(context).setContentIntent(pending).setSmallIcon(R.drawable.ic_stat_icon).setTicker(getResources().getString(R.string.saved_picture) + "...").setContentTitle(getResources().getString(R.string.app_name)).setContentText(getResources().getString(R.string.saved_picture) + "!").setLargeIcon(BitmapFactory.decodeResource(context.getResources(), R.drawable.ic_action_save));
                mNotificationManager.notify(6, mBuilder.build());
            } catch (Exception e) {
                Log.e(LOGGER_TAG, "Exception while saving photo", e);
                NotificationCompat.Builder mBuilder = new NotificationCompat.Builder(context).setSmallIcon(R.drawable.ic_stat_icon).setTicker(getResources().getString(R.string.error) + "...").setContentTitle(getResources().getString(R.string.app_name)).setContentText(getResources().getString(R.string.error) + "...").setProgress(100, 100, true).setLargeIcon(BitmapFactory.decodeResource(context.getResources(), R.drawable.ic_action_save));
                NotificationManager mNotificationManager = (NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE);
                mNotificationManager.notify(6, mBuilder.build());
            }
        }
    }).start();
    finish();
}

Example 5 with RequiresPermission

use of android.support.annotation.RequiresPermission in project Talon-for-Twitter by klinker24.

the class IOUtils method saveImage.

@RequiresPermission(Manifest.permission.WRITE_EXTERNAL_STORAGE)
public static Uri saveImage(Bitmap finalBitmap, String d, Context context) throws IOException {
    File talonDir = getPicturesDirectory();
    String fname = d + ".jpg";
    File file = new File(talonDir, fname);
    if (file.exists())
        file.delete();
    try {
        FileOutputStream out = new FileOutputStream(file);
        finalBitmap.compress(Bitmap.CompressFormat.JPEG, 100, out);
        out.close();
    } catch (IOException e) {
        Log.e(LOGGER_TAG, "Error while saving image", e);
        throw e;
    }
    ContentValues values = new ContentValues();
    values.put(MediaStore.Images.Media.DATA, file.getAbsolutePath());
    values.put(MediaStore.Images.Media.MIME_TYPE, "image/jpeg");
    context.getContentResolver().insert(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, values);
    Toast.makeText(context, context.getResources().getString(R.string.save_image), Toast.LENGTH_SHORT).show();
    return Uri.fromFile(file);
}