Example usage for android.content Context getAssets

List of usage examples for android.content Context getAssets

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Introduction

In this page you can find the example usage for android.content Context getAssets.

Prototype

public abstract AssetManager getAssets();

Source Link

Document

Returns an AssetManager instance for the application's package.

Usage

From source file:org.catnut.util.CatnutUtils.java

/**
 * ?//w w  w.  j  a  va2  s.  c o m
 *
 * @param boundPx the icon' s rectangle bound, if zero, use the default
 */
public static SpannableString text2Emotion(Context context, String key, int boundPx) {
    SpannableString spannable = new SpannableString(key);
    InputStream inputStream = null;
    Drawable drawable = null;
    try {
        inputStream = context.getAssets().open(TweetImageSpan.EMOTIONS_DIR + TweetImageSpan.EMOTIONS.get(key));
        drawable = Drawable.createFromStream(inputStream, null);
    } catch (IOException e) {
        Log.e(TAG, "load emotion error!", e);
    } finally {
        closeIO(inputStream);
    }
    if (drawable != null) {
        if (boundPx == 0) {
            drawable.setBounds(0, 0, drawable.getIntrinsicWidth(), drawable.getIntrinsicHeight());
        } else {
            drawable.setBounds(0, 0, boundPx, boundPx);
        }
        ImageSpan span = new ImageSpan(drawable, ImageSpan.ALIGN_BASELINE);
        spannable.setSpan(span, 0, key.length(), Spannable.SPAN_INCLUSIVE_EXCLUSIVE);
    }
    return spannable;
}

From source file:ca.psiphon.ploggy.Robohash.java

public static Bitmap getRobohash(Context context, boolean cacheCandidate, byte[] data)
        throws Utils.ApplicationError {
    try {//from  w w  w .j  a v a  2  s  . c  o  m
        MessageDigest sha1 = MessageDigest.getInstance("SHA-1");
        byte[] digest = sha1.digest(data);

        String key = Utils.formatFingerprint(digest);
        Bitmap cachedBitmap = mCache.get(key);
        if (cachedBitmap != null) {
            return cachedBitmap;
        }

        ByteBuffer byteBuffer = ByteBuffer.wrap(digest);
        byteBuffer.order(ByteOrder.BIG_ENDIAN);
        // TODO: SecureRandom SHA1PRNG (but not LinuxSecureRandom)
        Random random = new Random(byteBuffer.getLong());

        AssetManager assetManager = context.getAssets();

        if (mConfig == null) {
            mConfig = new JSONObject(loadAssetToString(assetManager, CONFIG_FILENAME));
        }

        int width = mConfig.getInt("width");
        int height = mConfig.getInt("height");

        JSONArray colors = mConfig.getJSONArray("colors");
        JSONArray parts = colors.getJSONArray(random.nextInt(colors.length()));

        Bitmap robotBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
        Canvas robotCanvas = new Canvas(robotBitmap);

        for (int i = 0; i < parts.length(); i++) {
            JSONArray partChoices = parts.getJSONArray(i);
            String selection = partChoices.getString(random.nextInt(partChoices.length()));
            Bitmap partBitmap = loadAssetToBitmap(assetManager, selection);
            Rect rect = new Rect(0, 0, width, height);
            Paint paint = new Paint();
            paint.setAlpha(255);
            robotCanvas.drawBitmap(partBitmap, rect, rect, paint);
            partBitmap.recycle();
        }

        if (cacheCandidate) {
            mCache.set(key, robotBitmap);
        }

        return robotBitmap;

    } catch (IOException e) {
        throw new Utils.ApplicationError(LOG_TAG, e);
    } catch (JSONException e) {
        throw new Utils.ApplicationError(LOG_TAG, e);
    } catch (NoSuchAlgorithmException e) {
        throw new Utils.ApplicationError(LOG_TAG, e);
    }
}

From source file:watch.oms.omswatch.parser.OMSConfigDBParser.java

/**
 * Loads 'jsonconfig.json' file from Assets folder and returns as String.
 * // www. j a  v  a2  s. c o  m
 * @param fileName
 * @return Json String
 * @throws IOException
 */
public static String LoadFile(String fileName, Context context) throws IOException {
    // Create a InputStream to read the file into
    InputStream inputstream;
    // get the file as a stream
    inputstream = context.getAssets().open(fileName);

    // create a buffer that has the same size as the InputStream
    byte[] buffer = new byte[inputstream.available()];
    // read the text file as a stream, into the buffer
    inputstream.read(buffer);
    // create a output stream to write the buffer into
    ByteArrayOutputStream oS = new ByteArrayOutputStream();
    // write this buffer to the output stream
    oS.write(buffer);
    // Close the Input and Output streams
    oS.close();
    inputstream.close();

    // return the output stream as a String
    return oS.toString();
}

From source file:it.crs4.most.ehrlib.WidgetProvider.java

/**
 * Parses the file to string./* w w w.j a  v a  2 s. c om*/
 *
 * @param context the context
 * @param filename the filename
 * @return the string
 */
public static String parseFileToString(Context context, String filename) {
    try {
        InputStream stream = context.getAssets().open(filename);
        int size = stream.available();

        byte[] bytes = new byte[size];
        stream.read(bytes);
        stream.close();

        return new String(bytes);

    } catch (IOException e) {
        Log.i(TAG, "IOException: " + e.getMessage());
    }
    return null;
}

From source file:com.apptentive.android.sdk.util.Util.java

public static void replaceDefaultFont(Context context, String fontFilePath) {
    final Typeface newTypeface = Typeface.createFromAsset(context.getAssets(), fontFilePath);

    TypedValue tv = new TypedValue();
    String staticTypefaceFieldName = null;
    Map<String, Typeface> newMap = null;

    Resources.Theme apptentiveTheme = context.getResources().newTheme();
    ApptentiveInternal.getInstance().updateApptentiveInteractionTheme(apptentiveTheme, context);

    if (apptentiveTheme == null) {
        return;//  w w  w .ja v a2 s  .  co  m
    }

    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
        if (apptentiveTheme.resolveAttribute(R.attr.apptentiveFontFamilyDefault, tv, true)) {
            newMap = new HashMap<String, Typeface>();
            newMap.put(tv.string.toString(), newTypeface);
        }
        if (apptentiveTheme.resolveAttribute(R.attr.apptentiveFontFamilyMediumDefault, tv, true)) {
            if (newMap == null) {
                newMap = new HashMap<String, Typeface>();
            }
            newMap.put(tv.string.toString(), newTypeface);
        }
        if (newMap != null) {
            try {
                final Field staticField = Typeface.class.getDeclaredField("sSystemFontMap");
                staticField.setAccessible(true);
                staticField.set(null, newMap);
            } catch (NoSuchFieldException e) {
                ApptentiveLog.e("Exception replacing system font", e);
            } catch (IllegalAccessException e) {
                ApptentiveLog.e("Exception replacing system font", e);
            }
        }
    } else {
        if (apptentiveTheme.resolveAttribute(R.attr.apptentiveTypefaceDefault, tv, true)) {
            staticTypefaceFieldName = "DEFAULT";
            if (tv.data == context.getResources().getInteger(R.integer.apptentive_typeface_monospace)) {
                staticTypefaceFieldName = "MONOSPACE";
            } else if (tv.data == context.getResources().getInteger(R.integer.apptentive_typeface_serif)) {
                staticTypefaceFieldName = "SERIF";
            } else if (tv.data == context.getResources().getInteger(R.integer.apptentive_typeface_sans)) {
                staticTypefaceFieldName = "SANS_SERIF";
            }
            try {
                final Field staticField = Typeface.class.getDeclaredField(staticTypefaceFieldName);
                staticField.setAccessible(true);
                staticField.set(null, newTypeface);
            } catch (NoSuchFieldException e) {
                ApptentiveLog.e("Exception replacing system font", e);
            } catch (IllegalAccessException e) {
                ApptentiveLog.e("Exception replacing system font", e);
            }
        }
    }
}

From source file:com.polyvi.xface.util.XFileUtils.java

/**
 * ?/*from w  w w.j av  a 2  s  . c  o  m*/
 *
 * @param filePath
 *            [in] 
 *
 * @return
 * */
public static boolean fileExists(Context context, String filePath) {
    if (null == filePath) {
        return false;
    }
    String absPath = null;
    if (filePath.startsWith(XConstant.ASSERT_PROTACAL)) {
        absPath = filePath.substring(XConstant.ASSERT_PROTACAL.length());
        try {
            InputStream is = context.getAssets().open(absPath);
            if (is != null) {
                return true;
            }
        } catch (IOException e) {
            return false;
        }
    } else if (filePath.startsWith(XConstant.FILE_SCHEME)) {
        File file = new File(filePath.substring(XConstant.FILE_SCHEME.length()));
        if (file.exists()) {
            return true;
        }
    }
    return false;
}

From source file:org.zywx.wbpalmstar.engine.EUtil.java

public static String copyFileToStorage(Context context, String inFilePath) {
    if (!BUtility.sdCardIsWork()) {
        return null;
    }/*  w w w . j  a  va2  s . c om*/
    String ext = Environment.getExternalStorageDirectory() + File.separator + "download";
    String fileName = subFileName(inFilePath);
    String newFilePath = ext + File.separator + fileName;
    File file = new File(newFilePath);
    if (file.exists()) {
        return newFilePath;
    }
    try {
        AssetManager assrt = context.getAssets();
        InputStream input = assrt.open(inFilePath);
        file.createNewFile();
        FileOutputStream output = new FileOutputStream(file);
        byte[] temp = new byte[8 * 1024];
        int i = 0;
        while ((i = input.read(temp)) > 0) {
            output.write(temp, 0, i);
        }
        output.close();
        input.close();
    } catch (Exception e) {
        return null;
    }
    return newFilePath;
}

From source file:com.dream.library.utils.AbFileUtil.java

/**
 * ???Asset?./*from w w w  .j a v  a  2s  .co  m*/
 *
 * @param context  the mContext
 * @param fileName the file name
 * @return Bitmap 
 */
public static Bitmap getBitmapFromAsset(Context context, String fileName) {
    Bitmap bit = null;
    try {
        AssetManager assetManager = context.getAssets();
        InputStream is = assetManager.open(fileName);
        bit = BitmapFactory.decodeStream(is);
    } catch (Exception e) {
        AbLog.e("?" + e.getMessage());
    }
    return bit;
}

From source file:Main.java

private static Uri getUriFromAsset(Context mContext, String path) {
    File dir = mContext.getExternalCacheDir();

    if (dir == null) {
        Log.e(TAG, "Missing external cache dir");
        return Uri.EMPTY;
    }/* w  w  w.j a v  a 2  s  .c o  m*/
    String resPath = path.replaceFirst("file:/", "www");
    String fileName = resPath.substring(resPath.lastIndexOf('/') + 1);
    String storage = dir.toString() + STORAGE_FOLDER;

    if (fileName == null || fileName.isEmpty()) {
        Log.e(TAG, "Filename is missing");
        return Uri.EMPTY;
    }

    File file = new File(storage, fileName);
    FileOutputStream outStream = null;
    InputStream inputStream = null;

    try {
        File fileStorage = new File(storage);
        if (!fileStorage.mkdir())
            Log.e(TAG, "Storage directory could not be created: " + storage);

        AssetManager assets = mContext.getAssets();
        outStream = new FileOutputStream(file);
        inputStream = assets.open(resPath);

        copyFile(inputStream, outStream);
        outStream.flush();
        outStream.close();
        return Uri.fromFile(file);
    } catch (FileNotFoundException e) {
        Log.e(TAG, "File not found: assets/" + resPath);
    } catch (IOException ioe) {
        Log.e(TAG, "IOException occured");
    } catch (SecurityException secEx) {
        Log.e(TAG, "SecurityException: directory creation denied");
    } finally {
        try {
            if (inputStream != null) {
                inputStream.close();
            }
            if (outStream != null) {
                outStream.flush();
                outStream.close();
            }
        } catch (IOException ioe) {
            Log.e(TAG, "IOException occured while closing/flushing streams");
        }
    }
    return Uri.EMPTY;
}

From source file:com.dream.library.utils.AbFileUtil.java

/**
 * ???Asset?.//w  w  w.j  a va2s .c o  m
 *
 * @param context  the mContext
 * @param fileName the file name
 * @return Drawable 
 */
public static Drawable getDrawableFromAsset(Context context, String fileName) {
    Drawable drawable = null;
    try {
        AssetManager assetManager = context.getAssets();
        InputStream is = assetManager.open(fileName);
        drawable = Drawable.createFromStream(is, null);
    } catch (Exception e) {
        AbLog.e("?" + e.getMessage());
    }
    return drawable;
}