Examples with AssetFileDescriptor android.content.res.AssetFileDescriptor used on opensource projects

Example 61 with AssetFileDescriptor

use of android.content.res.AssetFileDescriptor in project android_frameworks_base by AOSPA.

the class DocumentsContract method openImageThumbnail.

/**
     * Open the given image for thumbnail purposes, using any embedded EXIF
     * thumbnail if available, and providing orientation hints from the parent
     * image.
     *
     * @hide
     */
public static AssetFileDescriptor openImageThumbnail(File file) throws FileNotFoundException {
    final ParcelFileDescriptor pfd = ParcelFileDescriptor.open(file, ParcelFileDescriptor.MODE_READ_ONLY);
    Bundle extras = null;
    try {
        final ExifInterface exif = new ExifInterface(file.getAbsolutePath());
        switch(exif.getAttributeInt(ExifInterface.TAG_ORIENTATION, -1)) {
            case ExifInterface.ORIENTATION_ROTATE_90:
                extras = new Bundle(1);
                extras.putInt(EXTRA_ORIENTATION, 90);
                break;
            case ExifInterface.ORIENTATION_ROTATE_180:
                extras = new Bundle(1);
                extras.putInt(EXTRA_ORIENTATION, 180);
                break;
            case ExifInterface.ORIENTATION_ROTATE_270:
                extras = new Bundle(1);
                extras.putInt(EXTRA_ORIENTATION, 270);
                break;
        }
        final long[] thumb = exif.getThumbnailRange();
        if (thumb != null) {
            return new AssetFileDescriptor(pfd, thumb[0], thumb[1], extras);
        }
    } catch (IOException e) {
    }
    return new AssetFileDescriptor(pfd, 0, AssetFileDescriptor.UNKNOWN_LENGTH, extras);
}

Example 62 with AssetFileDescriptor

use of android.content.res.AssetFileDescriptor in project Applozic-Android-SDK by AppLozic.

the class ContactsListFragment method loadContactPhotoThumbnail.

/**
 * Decodes and scales a contact's image from a file pointed to by a Uri in the contact's data,
 * and returns the result as a Bitmap. The column that contains the Uri varies according to the
 * platform version.
 *
 * @param photoData For platforms prior to Android 3.0, provide the Contact._ID column value.
 *                  For Android 3.0 and later, provide the Contact.PHOTO_THUMBNAIL_URI value.
 * @param imageSize The desired target width and height of the output image in pixels.
 * @return A Bitmap containing the contact's image, resized to fit the provided image size. If
 * no thumbnail exists, returns null.
 */
private Bitmap loadContactPhotoThumbnail(String photoData, int imageSize) {
    // added to an activity. If so, no need to spend resources loading the contact photo.
    if (!isAdded() || getActivity() == null) {
        return null;
    }
    // Instantiates an AssetFileDescriptor. Given a content Uri pointing to an image file, the
    // ContentResolver can return an AssetFileDescriptor for the file.
    AssetFileDescriptor afd = null;
    // Provider doesn't point to an existing file.
    try {
        Uri thumbUri;
        // If Android 3.0 or later, converts the Uri passed as a string to a Uri object.
        if (Utils.hasHoneycomb()) {
            thumbUri = Uri.parse(photoData);
        } else {
            // For versions prior to Android 3.0, appends the string argument to the content
            // Uri for the Contacts table.
            final Uri contactUri = Uri.withAppendedPath(Contacts.CONTENT_URI, photoData);
            // Appends the content Uri for the Contacts.Photo table to the previously
            // constructed contact Uri to yield a content URI for the thumbnail image
            thumbUri = Uri.withAppendedPath(contactUri, Photo.CONTENT_DIRECTORY);
        }
        // Retrieves a file descriptor from the Contacts Provider. To learn more about this
        // feature, read the reference documentation for
        // ContentResolver#openAssetFileDescriptor.
        afd = getActivity().getContentResolver().openAssetFileDescriptor(thumbUri, "r");
        // Gets a FileDescriptor from the AssetFileDescriptor. A BitmapFactory object can
        // decode the contents of a file pointed to by a FileDescriptor into a Bitmap.
        FileDescriptor fileDescriptor = afd.getFileDescriptor();
        if (fileDescriptor != null) {
            // to the specified width and height
            return ImageLoader.decodeSampledBitmapFromDescriptor(fileDescriptor, imageSize, imageSize);
        }
    } catch (FileNotFoundException e) {
    // If the file pointed to by the thumbnail URI doesn't exist, or the file can't be
    // opened in "read" mode, ContentResolver.openAssetFileDescriptor throws a
    // FileNotFoundException.
    // if (BuildConfig.DEBUG) {
    // Log.d(TAG, "Contact photo thumbnail not found for contact " + photoData
    // + ": " + e.toString());
    // }
    } finally {
        // If an AssetFileDescriptor was returned, try to close it
        if (afd != null) {
            try {
                afd.close();
            } catch (IOException e) {
            // Closing a file descriptor might cause an IOException if the file is
            // already closed. Nothing extra is needed to handle this.
            }
        }
    }
    // If the decoding failed, returns null
    return null;
}

Example 63 with AssetFileDescriptor

use of android.content.res.AssetFileDescriptor in project Applozic-Android-SDK by AppLozic.

the class ContactUtils method loadContactPhoto.

@TargetApi(Build.VERSION_CODES.ICE_CREAM_SANDWICH)
public static Bitmap loadContactPhoto(Uri contactUri, int imageSize, Activity activity) {
    if (activity == null) {
        return null;
    }
    final ContentResolver contentResolver = activity.getContentResolver();
    try {
        InputStream input = ContactsContract.Contacts.openContactPhotoInputStream(contentResolver, contactUri);
        if (input == null) {
            return null;
        }
        return BitmapFactory.decodeStream(input);
    } catch (Exception ex) {
    // Note:Catching exception, in some cases the code is throwing error.
    }
    AssetFileDescriptor afd = null;
    String displayPhoto = ContactsContract.Contacts.Photo.CONTENT_DIRECTORY;
    if (Utils.hasICS()) {
        displayPhoto = ContactsContract.Contacts.Photo.DISPLAY_PHOTO;
    }
    try {
        Uri imageUri = Uri.withAppendedPath(contactUri, displayPhoto);
        afd = activity.getContentResolver().openAssetFileDescriptor(imageUri, "r");
        if (afd != null) {
            return ImageLoader.decodeSampledBitmapFromDescriptor(afd.getFileDescriptor(), imageSize, imageSize);
        }
    } catch (FileNotFoundException ex) {
        Log.e(TAG, "Image not found error " + ex.getMessage());
    } finally {
        if (afd != null) {
            try {
                afd.close();
            } catch (IOException ex) {
                Log.e(TAG, "Image not found error " + ex.getMessage());
            }
        }
    }
    return null;
}

Example 64 with AssetFileDescriptor

use of android.content.res.AssetFileDescriptor in project HAR-Android by linw7.

the class BeeAndVibrateManager method playBee.

public static void playBee(final Context context) {
    AudioManager audioService = (AudioManager) context.getSystemService(Context.AUDIO_SERVICE);
    if (audioService.getRingerMode() != AudioManager.RINGER_MODE_NORMAL) {
        // 检查当前是否是静音模式
        shouldPlayBeep = false;
    }
    MediaPlayer mediaPlayer = new MediaPlayer();
    mediaPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);
    mediaPlayer.setOnCompletionListener(new MediaPlayer.OnCompletionListener() {

        @Override
        public void onCompletion(MediaPlayer player) {
            player.seekTo(0);
        }
    });
    AssetFileDescriptor file = context.getResources().openRawResourceFd(R.raw.dingding);
    try {
        mediaPlayer.setDataSource(file.getFileDescriptor(), file.getStartOffset(), file.getLength());
        file.close();
        mediaPlayer.setVolume(0, 1);
        mediaPlayer.prepare();
    } catch (IOException ioe) {
        mediaPlayer = null;
    }
    if (shouldPlayBeep && mediaPlayer != null) {
        mediaPlayer.start();
    }
/*
        mediaPlayer.setOnCompletionListener(new MediaPlayer.OnCompletionListener() {
            @Override
            public void onCompletion(MediaPlayer mp) {
                mp.stop();
                listener.onCompletion(mp);
            }
        });
        */
}

Example 65 with AssetFileDescriptor

use of android.content.res.AssetFileDescriptor in project xDrip by NightscoutFoundation.

the class AlertPlayer method setDataSource.

private boolean setDataSource(Context context, MediaPlayer mp, int resid) {
    try {
        AssetFileDescriptor afd = context.getResources().openRawResourceFd(resid);
        if (afd == null)
            return false;
        mp.setDataSource(afd.getFileDescriptor(), afd.getStartOffset(), afd.getLength());
        afd.close();
        return true;
    } catch (IOException ex) {
        Log.e(TAG, "create failed:", ex);
    // fall through
    } catch (IllegalArgumentException ex) {
        Log.e(TAG, "create failed:", ex);
    // fall through
    } catch (SecurityException ex) {
        Log.e(TAG, "create failed:", ex);
    // fall through
    }
    return false;
}