Example usage for android.content.res AssetFileDescriptor getLength

Introduction

In this page you can find the example usage for android.content.res AssetFileDescriptor getLength.

Prototype

public long getLength() 

Source Link

Document

Returns the total number of bytes of this asset entry's data.

Usage

From source file:Main.java

/**
 * Play video file from res folder.//from   ww w.ja v a 2s .c  o  m
 * Then call mediaPlayer.start();
 * @param fileName
 * @param listener
 * @return
 * @throws Exception
 */
public static MediaPlayer playSound(AssetManager assetManager, String fileName,
        MediaPlayer.OnCompletionListener listener) throws Exception {
    MediaPlayer mediaPlayer = new MediaPlayer();
    if (listener != null) {
        mediaPlayer.setOnCompletionListener(listener);
    }

    AssetFileDescriptor descriptor = assetManager.openFd(fileName);
    mediaPlayer.setDataSource(descriptor.getFileDescriptor(), descriptor.getStartOffset(),
            descriptor.getLength());
    descriptor.close();
    mediaPlayer.prepare();

    return mediaPlayer;
}

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From source file:com.phonegap.plugins.xapkreader.XAPKReader.java

private static byte[] readFile(Context ctx, String filename) throws IOException {
    // Get APKExpensionFile
    ZipResourceFile expansionFile = APKExpansionSupport.getAPKExpansionZipFile(ctx, XAPKReader.mainVersion,
            XAPKReader.patchVersion);/*from  w  w  w.j a  va2s  .  c  o m*/

    if (null == expansionFile) {
        Log.e("XAPKReader", "APKExpansionFile not found.");
        return null;
    }

    // Find file in ExpansionFile
    String fileName = Helpers.getExpansionAPKFileName(ctx, true, XAPKReader.patchVersion);
    fileName = fileName.substring(0, fileName.lastIndexOf("."));
    AssetFileDescriptor file = expansionFile.getAssetFileDescriptor(fileName + "/" + filename);

    if (null == file) {
        Log.e("XAPKReader", "File not found (" + filename + ").");
        return null;
    }

    // Read file
    int size = (int) file.getLength();
    byte[] data = new byte[size];
    BufferedInputStream buf = new BufferedInputStream(file.createInputStream());
    buf.read(data, 0, data.length);
    buf.close();

    return data;
}

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From source file:Main.java

public static void playNotifycationMusic(Context context, String voicePath) throws IOException {
    // paly music ...
    AssetFileDescriptor fileDescriptor = context.getAssets().openFd(voicePath);
    if (mediaPlayer == null) {
        mediaPlayer = new MediaPlayer();
    }/*www  .  j  ava2s.  com*/
    if (mediaPlayer.isPlaying()) {
        mediaPlayer.stop();
    }
    mediaPlayer.reset();
    mediaPlayer.setDataSource(fileDescriptor.getFileDescriptor(), fileDescriptor.getStartOffset(),
            fileDescriptor.getLength());
    mediaPlayer.prepare();
    mediaPlayer.setLooping(false);
    mediaPlayer.start();
}

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From source file:org.kontalk.util.MediaStorage.java

public static long getLength(Context context, Uri media) throws IOException {
    AssetFileDescriptor stat = null;
    long length = 0;
    try {/*from   ww w .  j  a va 2  s  . com*/
        stat = context.getContentResolver().openAssetFileDescriptor(media, "r");
        if (stat != null)
            length = stat.getLength();
    } finally {
        try {
            if (stat != null)
                stat.close();
        } catch (IOException e) {
            // ignored
        }
    }

    if (length == 0) {
        // try to count bytes by reading it
        InputStream in = null;
        try {
            in = context.getContentResolver().openInputStream(media);
            CountingInputStream counter = new CountingInputStream(in);
            counter.consume();
            length = counter.getByteCount();
        } finally {
            try {
                if (in != null)
                    in.close();
            } catch (IOException e) {
                // ignored
            }
        }
    }

    return length;
}

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From source file:com.xlythe.engine.theme.Theme.java

public static long getDurationOfSound(Context context, Theme.Res res) {
    int millis = 0;
    MediaPlayer mp = new MediaPlayer();
    try {/*from w w w .ja  va2  s.  c  o  m*/
        AssetFileDescriptor afd;
        int id = getId(context, res.getType(), res.getName());
        if (id == 0) {
            id = context.getResources().getIdentifier(res.getName(), res.getType(), context.getPackageName());
            afd = context.getResources().openRawResourceFd(id);
        }

        afd = getThemeContext(context).getResources().openRawResourceFd(id);
        mp.setDataSource(afd.getFileDescriptor(), afd.getStartOffset(), afd.getLength());
        afd.close();
        mp.prepare();
        millis = mp.getDuration();
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        mp.release();
        mp = null;
    }

    return millis;
}

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From source file:com.aujur.ebookreader.catalog.DownloadLocalFileTask.java

@Override
protected String doInBackground(String... params) {

    try {/*from w  w  w. j a v a2  s. com*/

        String url = params[0];
        // url = "vademecum/Editora AuJur/Codigo Civil (1)/Codigo Civil - Editora AuJur.epub";
        // vademecum/Editora AuJur/Codigo Civil (1)/Codigo Civil - Editora AuJur.epub
        LOG.debug("Downloading: " + url);

        String fileName = url.substring(url.lastIndexOf('/') + 1);
        fileName = fileName.replaceAll("\\?|&|=", "_");

        File destFolder = new File(config.getDownloadsFolder());
        if (!destFolder.exists()) {
            destFolder.mkdirs();
        }

        /**
         * Make sure we always store downloaded files as .epub, so they show
         * up in scans later on.
         */
        if (!fileName.endsWith(".epub")) {
            fileName = fileName + ".epub";
        }

        destFile = new File(destFolder, URLDecoder.decode(fileName));

        if (destFile.exists()) {
            destFile.delete();
        }

        // lenghtOfFile is used for calculating download progress
        AssetFileDescriptor fd = context.getAssets().openFd(url);

        long lenghtOfFile = fd.getLength();

        // this is where the file will be seen after the download
        FileOutputStream f = new FileOutputStream(destFile);

        try {
            // file input is from the url
            AssetManager assetManager = context.getAssets();
            InputStream in = assetManager.open(url);

            // here's the download code
            byte[] buffer = new byte[1024];
            int len1 = 0;
            long total = 0;

            while ((len1 = in.read(buffer)) > 0 && !isCancelled()) {

                // Make sure the user can cancel the download.
                if (isCancelled()) {
                    return null;
                }

                total += len1;
                publishProgress(total, lenghtOfFile, (long) ((total * 100) / lenghtOfFile));
                f.write(buffer, 0, len1);
            }
        } finally {
            f.close();
        }

        if (!isCancelled()) {
            // FIXME: This doesn't belong here really...
            Book book = new EpubReader().readEpubLazy(destFile.getAbsolutePath(), "UTF-8");
            libraryService.storeBook(destFile.getAbsolutePath(), book, false, config.isCopyToLibrayEnabled());
        }

    } catch (Exception e) {
        LOG.error("Download failed.", e);
        this.failure = e;
    }

    return null;
}

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From source file:com.galois.qrstream.MainActivity.java

private byte[] readFileUri(Uri uri) throws IOException {
    ContentResolver contentResolver = getContentResolver();
    AssetFileDescriptor fd = contentResolver.openAssetFileDescriptor(uri, "r");
    long fileLength = fd.getLength();
    Log.d(Constants.APP_TAG, "fd length " + fileLength);
    DataInputStream istream = new DataInputStream(contentResolver.openInputStream(uri));
    byte[] buf = new byte[(int) fileLength];
    istream.readFully(buf);//  w  w w  .  j  a va 2 s  . c o  m
    return buf;
}

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From source file:it.interfree.leonardoce.bootreceiver.AlarmKlaxon.java

private void setDataSourceFromResource(Resources resources, MediaPlayer player, int res)
        throws java.io.IOException {
    AssetFileDescriptor afd = resources.openRawResourceFd(res);
    if (afd != null) {
        player.setDataSource(afd.getFileDescriptor(), afd.getStartOffset(), afd.getLength());
        afd.close();/*  w ww.j  ava2  s.  c o m*/
    }
}

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From source file:com.wsi.audiodemo.ScrollingActivity.java

private void playSound2(String assetName) {
    try {/*from  ww w.  j a v  a  2 s.  c  o m*/
        // Syntax  :  android.resource://[package]/[res type]/[res name]
        // Example : Uri.parse("android.resource://com.my.package/raw/sound1");
        //
        // Syntax  : android.resource://[package]/[resource_id]
        // Example : Uri.parse("android.resource://com.my.package/" + R.raw.sound1);

        String RESOURCE_PATH = ContentResolver.SCHEME_ANDROID_RESOURCE + "://";

        String path;
        if (false) {
            path = RESOURCE_PATH + getPackageName() + "/raw/" + assetName;
        } else {
            int resID = getResources().getIdentifier(assetName, "raw", getPackageName());
            path = RESOURCE_PATH + getPackageName() + File.separator + resID;
        }
        Uri soundUri = Uri.parse(path);
        mSoundName.setText(path);

        mMediaPlayer = new MediaPlayer();
        if (true) {
            mMediaPlayer.setDataSource(getApplicationContext(), soundUri);
            mMediaPlayer.prepare();
        } else if (false) {
            // How to load external audio files.
            // "/sdcard/sample.mp3";
            //  "http://www.bogotobogo.com/Audio/sample.mp3";
            mMediaPlayer.setDataSource(path);
            mMediaPlayer.prepare();
        } else {
            ContentResolver resolver = getContentResolver();
            AssetFileDescriptor afd = resolver.openAssetFileDescriptor(soundUri, "r");
            mMediaPlayer.setDataSource(afd.getFileDescriptor(), afd.getStartOffset(), afd.getLength());
            afd.close();
        }

        mMediaPlayer.start();
    } catch (Exception ex) {
        Toast.makeText(this, ex.getMessage(), Toast.LENGTH_LONG).show();
    }
}

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From source file:com.adkdevelopment.simpleflashlightadfree.ui.EmergencyFragment.java

/**
 * Starts emergency sound from assets/*w  w  w  .ja va  2 s.c o m*/
 */
public void emergencySignal() {

    try {
        if (mMediaPlayer != null && mMediaPlayer.isPlaying() && status == FlashlightService.STATUS_OFF) {
            mMediaPlayer.stop();
            mMediaPlayer.reset();
            mMediaPlayer.release();
            mMediaPlayer = null;

            mLinearLayout.setBackgroundColor(ContextCompat.getColor(getContext(), R.color.colorBackground));
        } else if (status == FlashlightService.STATUS_BLINK) {

            final AnimationDrawable drawable = new AnimationDrawable();
            final Handler handler = new Handler();

            drawable.addFrame(new ColorDrawable(Color.RED), 400);
            drawable.addFrame(new ColorDrawable(Color.BLUE), 400);
            drawable.setOneShot(false);

            mLinearLayout.setBackground(drawable);
            handler.postDelayed(new Runnable() {
                @Override
                public void run() {
                    drawable.start();
                }
            }, 100);

            mMediaPlayer = new MediaPlayer();
            AssetFileDescriptor descriptor = getActivity().getAssets().openFd("sews.mp3");
            mMediaPlayer.setDataSource(descriptor.getFileDescriptor(), descriptor.getStartOffset(),
                    descriptor.getLength());
            descriptor.close();

            mMediaPlayer.prepare();
            mMediaPlayer.setVolume(1f, 1f);
            mMediaPlayer.setLooping(true);
            mMediaPlayer.start();
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
}

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