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

Example 36 with AssetFileDescriptor

use of android.content.res.AssetFileDescriptor in project aFileChooser by iPaulPro.

the class LocalStorageProvider method openDocumentThumbnail.

@Override
public AssetFileDescriptor openDocumentThumbnail(final String documentId, final Point sizeHint, final CancellationSignal signal) throws FileNotFoundException {
    // Assume documentId points to an image file. Build a thumbnail no
    // larger than twice the sizeHint
    BitmapFactory.Options options = new BitmapFactory.Options();
    options.inJustDecodeBounds = true;
    BitmapFactory.decodeFile(documentId, options);
    final int targetHeight = 2 * sizeHint.y;
    final int targetWidth = 2 * sizeHint.x;
    final int height = options.outHeight;
    final int width = options.outWidth;
    options.inSampleSize = 1;
    if (height > targetHeight || width > targetWidth) {
        final int halfHeight = height / 2;
        final int halfWidth = width / 2;
        // height and width larger than the requested height and width.
        while ((halfHeight / options.inSampleSize) > targetHeight || (halfWidth / options.inSampleSize) > targetWidth) {
            options.inSampleSize *= 2;
        }
    }
    options.inJustDecodeBounds = false;
    Bitmap bitmap = BitmapFactory.decodeFile(documentId, options);
    // Write out the thumbnail to a temporary file
    File tempFile = null;
    FileOutputStream out = null;
    try {
        tempFile = File.createTempFile("thumbnail", null, getContext().getCacheDir());
        out = new FileOutputStream(tempFile);
        bitmap.compress(Bitmap.CompressFormat.PNG, 90, out);
    } catch (IOException e) {
        Log.e(LocalStorageProvider.class.getSimpleName(), "Error writing thumbnail", e);
        return null;
    } finally {
        if (out != null)
            try {
                out.close();
            } catch (IOException e) {
                Log.e(LocalStorageProvider.class.getSimpleName(), "Error closing thumbnail", e);
            }
    }
    // AssetFileDescriptor
    return new AssetFileDescriptor(ParcelFileDescriptor.open(tempFile, ParcelFileDescriptor.MODE_READ_ONLY), 0, AssetFileDescriptor.UNKNOWN_LENGTH);
}

Example 37 with AssetFileDescriptor

use of android.content.res.AssetFileDescriptor in project Signal-Android by WhisperSystems.

the class MultiDeviceContactUpdateJob method getAvatar.

private Optional<SignalServiceAttachmentStream> getAvatar(@Nullable Uri uri) throws IOException {
    if (uri == null) {
        return Optional.absent();
    }
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) {
        try {
            Uri displayPhotoUri = Uri.withAppendedPath(uri, ContactsContract.Contacts.Photo.DISPLAY_PHOTO);
            AssetFileDescriptor fd = context.getContentResolver().openAssetFileDescriptor(displayPhotoUri, "r");
            return Optional.of(SignalServiceAttachment.newStreamBuilder().withStream(fd.createInputStream()).withContentType("image/*").withLength(fd.getLength()).build());
        } catch (IOException e) {
            Log.w(TAG, e);
        }
    }
    Uri photoUri = Uri.withAppendedPath(uri, ContactsContract.Contacts.Photo.CONTENT_DIRECTORY);
    if (photoUri == null) {
        return Optional.absent();
    }
    Cursor cursor = context.getContentResolver().query(photoUri, new String[] { ContactsContract.CommonDataKinds.Photo.PHOTO, ContactsContract.CommonDataKinds.Phone.MIMETYPE }, null, null, null);
    try {
        if (cursor != null && cursor.moveToNext()) {
            byte[] data = cursor.getBlob(0);
            if (data != null) {
                return Optional.of(SignalServiceAttachment.newStreamBuilder().withStream(new ByteArrayInputStream(data)).withContentType("image/*").withLength(data.length).build());
            }
        }
        return Optional.absent();
    } finally {
        if (cursor != null) {
            cursor.close();
        }
    }
}

Example 38 with AssetFileDescriptor

use of android.content.res.AssetFileDescriptor in project LuaViewSDK by alibaba.

the class UDAudio method play.

/**
     * start playing audio
     *
     * @param uriOrName
     * @param loopTimes
     * @return
     */
public synchronized UDAudio play(String uriOrName, Integer loopTimes) {
    stopAndReset();
    if (uriOrName != null && uriOrName.equals(this.mUriOrName) == false) {
        //url 不同
        this.mUriOrName = uriOrName;
    }
    if (loopTimes != null) {
        this.mLoopTimes = loopTimes;
    }
    if (this.mUriOrName != null) {
        final MediaPlayer player = getMediaPlayer();
        if (player != null && player.isPlaying() == false) {
            String uri = null;
            boolean assetFileExist = false;
            if (URLUtil.isNetworkUrl(this.mUriOrName) || URLUtil.isFileUrl(this.mUriOrName) || URLUtil.isAssetUrl(this.mUriOrName)) {
                //net & file & asset
                uri = this.mUriOrName;
            } else {
                //plain text, use as file path
                uri = getLuaResourceFinder().buildFullPathInBundleOrAssets(this.mUriOrName);
                assetFileExist = AssetUtil.exists(getContext(), uri);
            }
            try {
                if (assetFileExist) {
                    final AssetFileDescriptor descriptor = getContext().getAssets().openFd(uri);
                    player.setDataSource(descriptor.getFileDescriptor(), descriptor.getStartOffset(), descriptor.getLength());
                } else {
                    player.setDataSource(uri);
                }
                player.setOnErrorListener(this);
                player.setOnCompletionListener(this);
                player.setOnPreparedListener(this);
                player.setLooping((this.mLoopTimes != null && this.mLoopTimes > 1) ? true : false);
                player.prepareAsync();
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
    }
    return this;
}

Example 39 with AssetFileDescriptor

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

the class ContentProviderProxy method openAssetFile.

public AssetFileDescriptor openAssetFile(String callingPkg, Uri url, String mode) throws RemoteException, FileNotFoundException {
    Parcel data = Parcel.obtain();
    Parcel reply = Parcel.obtain();
    try {
        data.writeInterfaceToken(IContentProvider.descriptor);
        data.writeString(callingPkg);
        url.writeToParcel(data, 0);
        data.writeString(mode);
        mRemote.transact(IContentProvider.OPEN_ASSET_FILE_TRANSACTION, data, reply, 0);
        DatabaseUtils.readExceptionWithFileNotFoundExceptionFromParcel(reply);
        int has = reply.readInt();
        AssetFileDescriptor fd = has != 0 ? AssetFileDescriptor.CREATOR.createFromParcel(reply) : null;
        return fd;
    } finally {
        data.recycle();
        reply.recycle();
    }
}

Example 40 with AssetFileDescriptor

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

the class SoundPool method load.

/**
     * Load the sound from the specified APK resource.
     *
     * Note that the extension is dropped. For example, if you want to load
     * a sound from the raw resource file "explosion.mp3", you would specify
     * "R.raw.explosion" as the resource ID. Note that this means you cannot
     * have both an "explosion.wav" and an "explosion.mp3" in the res/raw
     * directory.
     * 
     * @param context the application context
     * @param resId the resource ID
     * @param priority the priority of the sound. Currently has no effect. Use
     *                 a value of 1 for future compatibility.
     * @return a sound ID. This value can be used to play or unload the sound.
     */
public int load(Context context, int resId, int priority) {
    AssetFileDescriptor afd = context.getResources().openRawResourceFd(resId);
    int id = 0;
    if (afd != null) {
        id = _load(afd.getFileDescriptor(), afd.getStartOffset(), afd.getLength(), priority);
        try {
            afd.close();
        } catch (java.io.IOException ex) {
        //Log.d(TAG, "close failed:", ex);
        }
    }
    return id;
}