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

Example 1 with ParcelFileDescriptor

use of android.os.ParcelFileDescriptor in project cw-omnibus by commonsguy.

the class DemoDocumentsProvider method openDocument.

@Override
public ParcelFileDescriptor openDocument(String documentId, String mode, CancellationSignal signal) throws FileNotFoundException {
    ParcelFileDescriptor[] pipe = null;
    try {
        pipe = ParcelFileDescriptor.createPipe();
        AssetManager assets = getContext().getResources().getAssets();
        new TransferThread(assets.open(documentId), new ParcelFileDescriptor.AutoCloseOutputStream(pipe[1])).start();
    } catch (IOException e) {
        Log.e(getClass().getSimpleName(), "Exception opening pipe", e);
        throw new FileNotFoundException("Could not open pipe for: " + documentId);
    }
    return (pipe[0]);
}

Example 2 with ParcelFileDescriptor

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

the class Am method runProfile.

private void runProfile() throws Exception {
    String profileFile = null;
    boolean start = false;
    boolean wall = false;
    int userId = UserHandle.USER_CURRENT;
    int profileType = 0;
    String process = null;
    String cmd = nextArgRequired();
    if ("start".equals(cmd)) {
        start = true;
        String opt;
        while ((opt = nextOption()) != null) {
            if (opt.equals("--user")) {
                userId = parseUserArg(nextArgRequired());
            } else if (opt.equals("--wall")) {
                wall = true;
            } else {
                System.err.println("Error: Unknown option: " + opt);
                return;
            }
        }
        process = nextArgRequired();
    } else if ("stop".equals(cmd)) {
        String opt;
        while ((opt = nextOption()) != null) {
            if (opt.equals("--user")) {
                userId = parseUserArg(nextArgRequired());
            } else {
                System.err.println("Error: Unknown option: " + opt);
                return;
            }
        }
        process = nextArg();
    } else {
        // Compatibility with old syntax: process is specified first.
        process = cmd;
        cmd = nextArgRequired();
        if ("start".equals(cmd)) {
            start = true;
        } else if (!"stop".equals(cmd)) {
            throw new IllegalArgumentException("Profile command " + process + " not valid");
        }
    }
    if (userId == UserHandle.USER_ALL) {
        System.err.println("Error: Can't profile with user 'all'");
        return;
    }
    ParcelFileDescriptor fd = null;
    if (start) {
        profileFile = nextArgRequired();
        try {
            fd = ParcelFileDescriptor.open(new File(profileFile), ParcelFileDescriptor.MODE_CREATE | ParcelFileDescriptor.MODE_TRUNCATE | ParcelFileDescriptor.MODE_READ_WRITE);
        } catch (FileNotFoundException e) {
            System.err.println("Error: Unable to open file: " + profileFile);
            return;
        }
    }
    try {
        if (wall) {
            // XXX doesn't work -- this needs to be set before booting.
            String props = SystemProperties.get("dalvik.vm.extra-opts");
            if (props == null || !props.contains("-Xprofile:wallclock")) {
                props = props + " -Xprofile:wallclock";
            //SystemProperties.set("dalvik.vm.extra-opts", props);
            }
        } else if (start) {
        //removeWallOption();
        }
        if (!mAm.profileControl(process, userId, start, profileFile, fd, profileType)) {
            wall = false;
            throw new AndroidException("PROFILE FAILED on process " + process);
        }
    } finally {
        if (!wall) {
        //removeWallOption();
        }
    }
}

Example 3 with ParcelFileDescriptor

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

the class WallpaperManager method setBitmap.

/**
     * Change the current system wallpaper to a bitmap.  The given bitmap is
     * converted to a PNG and stored as the wallpaper.  On success, the intent
     * {@link Intent#ACTION_WALLPAPER_CHANGED} is broadcast.
     *
     * <p>This method requires the caller to hold the permission
     * {@link android.Manifest.permission#SET_WALLPAPER}.
     *
     * @param bitmap The bitmap to save.
     *
     * @throws IOException If an error occurs reverting to the default
     * wallpaper.
     */
public void setBitmap(Bitmap bitmap) throws IOException {
    if (sGlobals.mService == null) {
        Log.w(TAG, "WallpaperService not running");
        return;
    }
    try {
        ParcelFileDescriptor fd = sGlobals.mService.setWallpaper(null);
        if (fd == null) {
            return;
        }
        FileOutputStream fos = null;
        try {
            fos = new ParcelFileDescriptor.AutoCloseOutputStream(fd);
            bitmap.compress(Bitmap.CompressFormat.PNG, 90, fos);
        } finally {
            if (fos != null) {
                fos.close();
            }
        }
    } catch (RemoteException e) {
    // Ignore
    }
}

Example 4 with ParcelFileDescriptor

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

the class BackupHelperDispatcher method doOneBackup.

private void doOneBackup(ParcelFileDescriptor oldState, BackupDataOutput data, ParcelFileDescriptor newState, Header header, BackupHelper helper) throws IOException {
    int err;
    FileDescriptor newStateFD = newState.getFileDescriptor();
    // allocate space for the header in the file
    int pos = allocateHeader_native(header, newStateFD);
    if (pos < 0) {
        throw new IOException("allocateHeader_native failed (error " + pos + ")");
    }
    data.setKeyPrefix(header.keyPrefix);
    // do the backup
    helper.performBackup(oldState, data, newState);
    // fill in the header (seeking back to pos).  The file pointer will be returned to
    // where it was at the end of performBackup.  Header.chunkSize will not be filled in.
    err = writeHeader_native(header, newStateFD, pos);
    if (err != 0) {
        throw new IOException("writeHeader_native failed (error " + err + ")");
    }
}

Example 5 with ParcelFileDescriptor

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

the class BackupHelperDispatcher method performBackup.

public void performBackup(ParcelFileDescriptor oldState, BackupDataOutput data, ParcelFileDescriptor newState) throws IOException {
    // First, do the helpers that we've already done, since they're already in the state
    // file.
    int err;
    Header header = new Header();
    TreeMap<String, BackupHelper> helpers = (TreeMap<String, BackupHelper>) mHelpers.clone();
    FileDescriptor oldStateFD = null;
    FileDescriptor newStateFD = newState.getFileDescriptor();
    if (oldState != null) {
        oldStateFD = oldState.getFileDescriptor();
        while ((err = readHeader_native(header, oldStateFD)) >= 0) {
            if (err == 0) {
                BackupHelper helper = helpers.get(header.keyPrefix);
                Log.d(TAG, "handling existing helper '" + header.keyPrefix + "' " + helper);
                if (helper != null) {
                    doOneBackup(oldState, data, newState, header, helper);
                    helpers.remove(header.keyPrefix);
                } else {
                    skipChunk_native(oldStateFD, header.chunkSize);
                }
            }
        }
    }
    // Then go through and do the rest that we haven't done.
    for (Map.Entry<String, BackupHelper> entry : helpers.entrySet()) {
        header.keyPrefix = entry.getKey();
        Log.d(TAG, "handling new helper '" + header.keyPrefix + "'");
        BackupHelper helper = entry.getValue();
        doOneBackup(oldState, data, newState, header, helper);
    }
}