Example usage for android.content.res AssetFileDescriptor getFileDescriptor

List of usage examples for android.content.res AssetFileDescriptor getFileDescriptor

  1. HOME
  2. Java
  3. android
  4. android.content.res.*
  5. AssetFileDescriptor
  6. getFileDescriptor

Introduction

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

Prototype

public FileDescriptor getFileDescriptor()

Source Link

Document

Returns the FileDescriptor that can be used to read the data in the file.

Usage

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

public static Typeface getFont(Context context, String name) {
    String key = getKey(context) + "_" + name;
    if (TYPEFACE_MAP.containsKey(key)) {
        return TYPEFACE_MAP.get(key);
    }/*from   ww  w. jav  a2s  . co  m*/

    String[] extensions = { ".ttf", ".otf" };
    for (String s : extensions) {
        try {
            // Use cursor loader to grab font
            String url = getPackageName() + ".FileProvider/" + name + s;
            Uri uri = Uri.parse("content://" + url);
            ContentResolver cr = context.getContentResolver();
            AssetFileDescriptor a = cr.openAssetFileDescriptor(uri, null);
            FileInputStream in = new FileInputStream(a.getFileDescriptor());
            in.skip(a.getStartOffset());
            File file = new File(context.getCacheDir(), name + s);
            file.createNewFile();
            FileOutputStream fOutput = new FileOutputStream(file);
            byte[] dataBuffer = new byte[1024];
            int readLength = 0;
            while ((readLength = in.read(dataBuffer)) != -1) {
                fOutput.write(dataBuffer, 0, readLength);
            }
            in.close();
            fOutput.close();

            // Try/catch for broken fonts
            Typeface t = Typeface.createFromFile(file);
            TYPEFACE_MAP.put(key, t);
            return TYPEFACE_MAP.get(key);
        } catch (Exception e) {
            // Do nothing here
        }
    }

    TYPEFACE_MAP.put(key, null);
    return TYPEFACE_MAP.get(key);
}

From source file:Main.java

public static Bitmap decodeSampledBitmapFromFile(Resources res, ContentResolver contentResolver, File file,
        float reqWidthInDip, float reqHeightInDip) throws IOException {

    Bitmap bitmap;/*from   w ww .j ava2  s  . com*/
    AssetFileDescriptor fileDescriptor;
    int reqWidthInPixel = (int) dipToPixels(res, reqWidthInDip);
    int reqHeightInPixel = (int) dipToPixels(res, reqHeightInDip);
    fileDescriptor = contentResolver.openAssetFileDescriptor(Uri.fromFile(file), "r");

    // First decode with inJustDecodeBounds=true to check dimensions
    final BitmapFactory.Options options = new BitmapFactory.Options();
    options.inJustDecodeBounds = true;
    BitmapFactory.decodeFileDescriptor(fileDescriptor.getFileDescriptor(), null, options);

    // Calculate inSampleSize
    options.inSampleSize = calculateInSampleSize(options, reqWidthInPixel, reqHeightInPixel);

    // Decode bitmap with inSampleSize set
    options.inJustDecodeBounds = false;
    bitmap = BitmapFactory.decodeFileDescriptor(fileDescriptor.getFileDescriptor(), null, options);
    fileDescriptor.close();
    return bitmap;
}

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 {/* w  ww. j  ava2  s.  com*/
        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;
}

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

/**
 * Starts emergency sound from assets/* w  w w  .  ja v  a2s  . 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();
    }
}

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  w  w. j  a  v a 2  s .  c om*/
    }
}

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

private void playSound2(String assetName) {
    try {/*from ww w .ja v  a2s.  c om*/
        // 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();
    }
}

From source file:org.cocos2dx.lib.Cocos2dxMusic.java

/**
 * create mediaplayer for music/*from w ww . j a  v a  2 s . c o  m*/
 * @param path the path relative to assets
 * @return 
 */
private MediaPlayer createMediaplayerFromAssets(String path) {
    MediaPlayer mediaPlayer = new MediaPlayer();

    try {
        if (path.startsWith("/")) {
            mediaPlayer.setDataSource(path);
        } else {
            AssetFileDescriptor assetFileDescritor = mContext.getAssets().openFd(path);
            mediaPlayer.setDataSource(assetFileDescritor.getFileDescriptor(),
                    assetFileDescritor.getStartOffset(), assetFileDescritor.getLength());
        }

        mediaPlayer.prepare();

        mediaPlayer.setVolume(mLeftVolume, mRightVolume);
    } catch (Exception e) {
        mediaPlayer = null;
        Log.e(TAG, "error: " + e.getMessage(), e);
    }

    return mediaPlayer;
}

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

private void playSound3(String assetName) {
    try {/*  w  w  w .  ja v  a 2 s .c  o m*/
        AssetFileDescriptor afd = getAssets().openFd("sounds/" + assetName + ".mp3");
        mMediaPlayer = new MediaPlayer();
        mMediaPlayer.setDataSource(afd.getFileDescriptor(), afd.getStartOffset(), afd.getLength());
        afd.close();
        mMediaPlayer.prepare();
        mMediaPlayer.start();
    } catch (Exception ex) {
        Toast.makeText(this, ex.getMessage(), Toast.LENGTH_LONG).show();
    }
}

From source file:com.wifi.brainbreaker.mydemo.http.ModAssetServer.java

public void handle(final HttpRequest request, final HttpResponse response, final HttpContext context)
        throws HttpException, IOException {
    AbstractHttpEntity body = null;//from  w ww. j  a va2s  . c o  m

    final String method = request.getRequestLine().getMethod().toUpperCase(Locale.ENGLISH);
    if (!method.equals("GET") && !method.equals("HEAD") && !method.equals("POST")) {
        throw new MethodNotSupportedException(method + " method not supported");
    }

    final String url = URLDecoder.decode(request.getRequestLine().getUri());
    if (request instanceof HttpEntityEnclosingRequest) {
        HttpEntity entity = ((HttpEntityEnclosingRequest) request).getEntity();
        byte[] entityContent = EntityUtils.toByteArray(entity);
        Log.d(TAG, "Incoming entity content (bytes): " + entityContent.length);
    }

    final String location = "www" + (url.equals("/") ? "/index.htm" : url);
    response.setStatusCode(HttpStatus.SC_OK);

    try {
        Log.i(TAG, "Requested: \"" + url + "\"");

        // Compares the Last-Modified date header (if present) with the If-Modified-Since date
        if (request.containsHeader("If-Modified-Since")) {
            try {
                Date date = DateUtils.parseDate(request.getHeaders("If-Modified-Since")[0].getValue());
                if (date.compareTo(mServer.mLastModified) <= 0) {
                    // The file has not been modified
                    response.setStatusCode(HttpStatus.SC_NOT_MODIFIED);
                    return;
                }
            } catch (DateParseException e) {
                e.printStackTrace();
            }
        }

        // We determine if the asset is compressed
        try {
            AssetFileDescriptor afd = mAssetManager.openFd(location);

            // The asset is not compressed
            FileInputStream fis = new FileInputStream(afd.getFileDescriptor());
            fis.skip(afd.getStartOffset());
            body = new InputStreamEntity(fis, afd.getDeclaredLength());

            Log.d(TAG, "Serving uncompressed file " + "www" + url);

        } catch (FileNotFoundException e) {

            // The asset may be compressed
            // AAPT compresses assets so first we need to uncompress them to determine their length
            InputStream stream = mAssetManager.open(location, AssetManager.ACCESS_STREAMING);
            ByteArrayOutputStream buffer = new ByteArrayOutputStream(64000);
            byte[] tmp = new byte[4096];
            int length = 0;
            while ((length = stream.read(tmp)) != -1)
                buffer.write(tmp, 0, length);
            body = new InputStreamEntity(new ByteArrayInputStream(buffer.toByteArray()), buffer.size());
            stream.close();

            Log.d(TAG, "Serving compressed file " + "www" + url);

        }

        body.setContentType(getMimeMediaType(url) + "; charset=UTF-8");
        response.addHeader("Last-Modified", DateUtils.formatDate(mServer.mLastModified));

    } catch (IOException e) {
        // File does not exist
        response.setStatusCode(HttpStatus.SC_NOT_FOUND);
        body = new EntityTemplate(new ContentProducer() {
            public void writeTo(final OutputStream outstream) throws IOException {
                OutputStreamWriter writer = new OutputStreamWriter(outstream, "UTF-8");
                writer.write("<html><body><h1>");
                writer.write("File ");
                writer.write("www" + url);
                writer.write(" not found");
                writer.write("</h1></body></html>");
                writer.flush();
            }
        });
        Log.d(TAG, "File " + "www" + url + " not found");
        body.setContentType("text/html; charset=UTF-8");
    }

    response.setEntity(body);

}

From source file:net.facework.core.http.ModAssetServer.java

@Override
public void handle(final HttpRequest request, final HttpResponse response, final HttpContext context)
        throws HttpException, IOException {
    AbstractHttpEntity body = null;// w w  w.  j ava2 s  .com

    final String method = request.getRequestLine().getMethod().toUpperCase(Locale.ENGLISH);
    if (!method.equals("GET") && !method.equals("HEAD") && !method.equals("POST")) {
        throw new MethodNotSupportedException(method + " method not supported");
    }

    final String url = URLDecoder.decode(request.getRequestLine().getUri());
    if (request instanceof HttpEntityEnclosingRequest) {
        HttpEntity entity = ((HttpEntityEnclosingRequest) request).getEntity();
        byte[] entityContent = EntityUtils.toByteArray(entity);
        Log.d(TAG, "Incoming entity content (bytes): " + entityContent.length);
    }

    final String location = "www" + (url.equals("/") ? "/index.htm" : url);
    response.setStatusCode(HttpStatus.SC_OK);

    try {
        Log.i(TAG, "Requested: \"" + url + "\"");

        // Compares the Last-Modified date header (if present) with the If-Modified-Since date
        if (request.containsHeader("If-Modified-Since")) {
            try {
                Date date = DateUtils.parseDate(request.getHeaders("If-Modified-Since")[0].getValue());
                if (date.compareTo(mServer.mLastModified) <= 0) {
                    // The file has not been modified
                    response.setStatusCode(HttpStatus.SC_NOT_MODIFIED);
                    return;
                }
            } catch (DateParseException e) {
                e.printStackTrace();
            }
        }

        // We determine if the asset is compressed
        try {
            AssetFileDescriptor afd = mAssetManager.openFd(location);

            // The asset is not compressed
            FileInputStream fis = new FileInputStream(afd.getFileDescriptor());
            fis.skip(afd.getStartOffset());
            body = new InputStreamEntity(fis, afd.getDeclaredLength());

            Log.d(TAG, "Serving uncompressed file " + "www" + url);

        } catch (FileNotFoundException e) {

            // The asset may be compressed
            // AAPT compresses assets so first we need to uncompress them to determine their length
            InputStream stream = mAssetManager.open(location, AssetManager.ACCESS_STREAMING);
            ByteArrayOutputStream buffer = new ByteArrayOutputStream(64000);
            byte[] tmp = new byte[4096];
            int length = 0;
            while ((length = stream.read(tmp)) != -1)
                buffer.write(tmp, 0, length);
            body = new InputStreamEntity(new ByteArrayInputStream(buffer.toByteArray()), buffer.size());
            stream.close();

            Log.d(TAG, "Serving compressed file " + "www" + url);

        }

        body.setContentType(getMimeMediaType(url) + "; charset=UTF-8");
        response.addHeader("Last-Modified", DateUtils.formatDate(mServer.mLastModified));

    } catch (IOException e) {
        // File does not exist
        response.setStatusCode(HttpStatus.SC_NOT_FOUND);
        body = new EntityTemplate(new ContentProducer() {
            @Override
            public void writeTo(final OutputStream outstream) throws IOException {
                OutputStreamWriter writer = new OutputStreamWriter(outstream, "UTF-8");
                writer.write("<html><body><h1>");
                writer.write("File ");
                writer.write("www" + url);
                writer.write(" not found");
                writer.write("</h1></body></html>");
                writer.flush();
            }
        });
        Log.d(TAG, "File " + "www" + url + " not found");
        body.setContentType("text/html; charset=UTF-8");
    }

    response.setEntity(body);

}