Examples with ParcelFileDescriptor android.os.ParcelFileDescriptor used on opensource projects

Example 96 with ParcelFileDescriptor

use of android.os.ParcelFileDescriptor in project XobotOS by xamarin.

the class WallpaperManager method setStream.

/**
     * Change the current system wallpaper to a specific byte stream.  The
     * give InputStream is copied into persistent storage and will now be
     * used as the wallpaper.  Currently it must be either a JPEG or PNG
     * image.  On success, the intent {@link Intent#ACTION_WALLPAPER_CHANGED}
     * is broadcast.
     *
     * @param data A stream containing the raw data to install as a wallpaper.
     *
     * @throws IOException If an error occurs reverting to the default
     * wallpaper.
     */
public void setStream(InputStream data) throws IOException {
    try {
        ParcelFileDescriptor fd = sGlobals.mService.setWallpaper(null);
        if (fd == null) {
            return;
        }
        FileOutputStream fos = null;
        try {
            fos = new ParcelFileDescriptor.AutoCloseOutputStream(fd);
            setWallpaper(data, fos);
        } finally {
            if (fos != null) {
                fos.close();
            }
        }
    } catch (RemoteException e) {
    // Ignore
    }
}

Example 97 with ParcelFileDescriptor

use of android.os.ParcelFileDescriptor in project XobotOS by xamarin.

the class SQLiteStatement method simpleQueryForBlobFileDescriptor.

/**
     * Executes a statement that returns a 1 by 1 table with a blob value.
     *
     * @return A read-only file descriptor for a copy of the blob value, or {@code null}
     *         if the value is null or could not be read for some reason.
     *
     * @throws android.database.sqlite.SQLiteDoneException if the query returns zero rows
     */
public ParcelFileDescriptor simpleQueryForBlobFileDescriptor() {
    try {
        long timeStart = acquireAndLock(READ);
        ParcelFileDescriptor retValue = native_1x1_blob_ashmem();
        mDatabase.logTimeStat(mSql, timeStart);
        return retValue;
    } catch (IOException ex) {
        Log.e(TAG, "simpleQueryForBlobFileDescriptor() failed", ex);
        return null;
    } catch (SQLiteDoneException e) {
        throw new SQLiteDoneException("expected 1 row from this query but query returned no data. check the query: " + mSql);
    } finally {
        releaseAndUnlock();
    }
}

Example 98 with ParcelFileDescriptor

use of android.os.ParcelFileDescriptor in project XobotOS by xamarin.

the class ContentProviderProxy method openFile.

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

Example 99 with ParcelFileDescriptor

use of android.os.ParcelFileDescriptor in project XobotOS by xamarin.

the class ContentProvider method openPipeHelper.

/**
     * A helper function for implementing {@link #openTypedAssetFile}, for
     * creating a data pipe and background thread allowing you to stream
     * generated data back to the client.  This function returns a new
     * ParcelFileDescriptor that should be returned to the caller (the caller
     * is responsible for closing it).
     *
     * @param uri The URI whose data is to be written.
     * @param mimeType The desired type of data to be written.
     * @param opts Options supplied by caller.
     * @param args Your own custom arguments.
     * @param func Interface implementing the function that will actually
     * stream the data.
     * @return Returns a new ParcelFileDescriptor holding the read side of
     * the pipe.  This should be returned to the caller for reading; the caller
     * is responsible for closing it when done.
     */
public <T> ParcelFileDescriptor openPipeHelper(final Uri uri, final String mimeType, final Bundle opts, final T args, final PipeDataWriter<T> func) throws FileNotFoundException {
    try {
        final ParcelFileDescriptor[] fds = ParcelFileDescriptor.createPipe();
        AsyncTask<Object, Object, Object> task = new AsyncTask<Object, Object, Object>() {

            @Override
            protected Object doInBackground(Object... params) {
                func.writeDataToPipe(fds[1], uri, mimeType, opts, args);
                try {
                    fds[1].close();
                } catch (IOException e) {
                    Log.w(TAG, "Failure closing pipe", e);
                }
                return null;
            }
        };
        task.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, (Object[]) null);
        return fds[0];
    } catch (IOException e) {
        throw new FileNotFoundException("failure making pipe");
    }
}

Example 100 with ParcelFileDescriptor

use of android.os.ParcelFileDescriptor in project android_frameworks_base by DirtyUnicorns.

the class DevicePolicyManagerService method shareBugreportWithDeviceOwnerIfExists.

private void shareBugreportWithDeviceOwnerIfExists(String bugreportUriString, String bugreportHash) {
    ParcelFileDescriptor pfd = null;
    try {
        if (bugreportUriString == null) {
            throw new FileNotFoundException();
        }
        Uri bugreportUri = Uri.parse(bugreportUriString);
        pfd = mContext.getContentResolver().openFileDescriptor(bugreportUri, "r");
        synchronized (this) {
            Intent intent = new Intent(DeviceAdminReceiver.ACTION_BUGREPORT_SHARE);
            intent.setComponent(mOwners.getDeviceOwnerComponent());
            intent.setDataAndType(bugreportUri, RemoteBugreportUtils.BUGREPORT_MIMETYPE);
            intent.putExtra(DeviceAdminReceiver.EXTRA_BUGREPORT_HASH, bugreportHash);
            intent.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
            LocalServices.getService(ActivityManagerInternal.class).grantUriPermissionFromIntent(Process.SHELL_UID, mOwners.getDeviceOwnerComponent().getPackageName(), intent, mOwners.getDeviceOwnerUserId());
            mContext.sendBroadcastAsUser(intent, UserHandle.of(mOwners.getDeviceOwnerUserId()));
        }
    } catch (FileNotFoundException e) {
        Bundle extras = new Bundle();
        extras.putInt(DeviceAdminReceiver.EXTRA_BUGREPORT_FAILURE_REASON, DeviceAdminReceiver.BUGREPORT_FAILURE_FILE_NO_LONGER_AVAILABLE);
        sendDeviceOwnerCommand(DeviceAdminReceiver.ACTION_BUGREPORT_FAILED, extras);
    } finally {
        try {
            if (pfd != null) {
                pfd.close();
            }
        } catch (IOException ex) {
        // Ignore
        }
        mRemoteBugreportSharingAccepted.set(false);
        setDeviceOwnerRemoteBugreportUriAndHash(null, null);
    }
}