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:com.westlinkin.android_feedback_helper.utils.MailUntils.java

public static String getMailBody(Context context, String msg, String userEmail) {
    String html = "";
    try {/*from w ww  .  j  a va2 s .  c o  m*/
        html = IOUtils.toString(context.getAssets().open("android_feedback_helper.html"));
    } catch (IOException e) {
        e.printStackTrace();
    }
    if (html.isEmpty())
        return null;

    // version name and code
    PackageManager packageManager = context.getPackageManager();
    String versionName = "Unknown";
    int versionCode = -1;
    if (packageManager != null) {
        try {
            PackageInfo packageInfo = packageManager.getPackageInfo(context.getPackageName(), 0);
            versionName = packageInfo.versionName;
            versionCode = packageInfo.versionCode;
        } catch (PackageManager.NameNotFoundException e) {
            e.printStackTrace();
        }
    }

    Date now = new Date();
    SimpleDateFormat sdf = new SimpleDateFormat("yyyy.MM.dd_HH.mm.ss_zzz");
    String time = sdf.format(now);

    return html.replaceAll(Data.APP_PACKAGE, context.getPackageName())
            .replaceAll(Data.VERSION_NAME, versionName)
            .replaceAll(Data.VERSION_CODE, String.valueOf(versionCode)).replaceAll(Data.FEEDBACK_TIME, time)
            .replaceAll(Data.FEEDBACK_MESSAGE, msg).replaceAll(Data.USER_EMAIL, userEmail);
}

From source file:Main.java

public static Bitmap getRemoveBitmap(Context context, Bitmap bitmap) {
    Paint paint = new Paint();
    paint.setAntiAlias(true);//from w  w w  . j  a v  a 2  s . co  m
    Bitmap bitmap1;
    try {
        Bitmap bitmap2 = BitmapFactory.decodeStream(context.getAssets().open("remove@2x.png"));
        bitmap1 = Bitmap.createBitmap(bitmap.getWidth() + bitmap2.getWidth() / 2,
                bitmap.getHeight() + bitmap2.getHeight() / 2, android.graphics.Bitmap.Config.ARGB_8888);
        Canvas canvas1 = new Canvas(bitmap1);
        canvas1.drawARGB(0, 0, 0, 0);
        canvas1.drawBitmap(bitmap, bitmap2.getWidth() / 2, bitmap2.getHeight() / 2, paint);
        bitmap.recycle();
        canvas1.drawBitmap(bitmap2, 0.0F, 0.0F, paint);
        bitmap2.recycle();
    } catch (IOException ioexception) {
        ioexception.printStackTrace();
        bitmap1 = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(),
                android.graphics.Bitmap.Config.ARGB_8888);
        Canvas canvas = new Canvas(bitmap1);
        canvas.drawARGB(0, 0, 0, 0);
        canvas.drawBitmap(bitmap, 0.0F, 0.0F, paint);
        bitmap.recycle();
    }
    return bitmap1;
}

From source file:Main.java

static public void copyFileFromAssets(Context context, String file, String dest) throws Exception {
    InputStream in = null;//from w  w w. j a v a  2 s . c om
    OutputStream fout = null;
    int count = 0;

    try {
        in = context.getAssets().open(file);

        File hydappdir = new File("/data/data/" + context.getPackageName() + "/hydapp");
        hydappdir.mkdirs();

        fout = new FileOutputStream(new File(dest));

        byte data[] = new byte[1024];
        while ((count = in.read(data, 0, 1024)) != -1) {
            fout.write(data, 0, count);
        }
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        if (in != null) {
            try {
                in.close();
            } catch (IOException e) {
            }
        }
        if (fout != null) {
            try {
                fout.close();
            } catch (IOException e) {
            }
        }
    }
}

From source file:Main.java

public static boolean saveFileFromAssetsToSystem(Context context, String path, File destFile) {
    BufferedInputStream bis = null;
    BufferedOutputStream fos = null;
    try {/*from w ww. ja va2  s  . c  om*/
        InputStream is = context.getAssets().open(path);
        bis = new BufferedInputStream(is);
        fos = new BufferedOutputStream(new FileOutputStream(destFile));
        byte[] buf = new byte[2048];
        int i;
        while ((i = bis.read(buf)) != -1) {
            fos.write(buf, 0, i);
        }
        fos.flush();
        return true;
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        try {
            if (bis != null) {
                bis.close();
            }
            if (fos != null) {
                fos.close();
            }
        } catch (IOException e1) {
            e1.printStackTrace();
        }
    }
    return false;
}

From source file:Main.java

/**
 * The most useful answer about text drawing ever. http://stackoverflow.com/a/32081250
 *///from  w w  w. j a  va  2  s  .  co  m
@Nullable
public static Bitmap createTypefaceBitmap(final Context context, @NonNull final String text, final int color,
        final float textSizePx) {
    final Typeface robotoMedium = Typeface.createFromAsset(context.getAssets(), "fonts/Roboto-Medium.ttf");

    final Paint paint = new Paint();
    paint.setAntiAlias(true);
    paint.setSubpixelText(true);
    paint.setTypeface(robotoMedium);
    paint.setStyle(Paint.Style.FILL);
    paint.setColor(color);
    paint.setTextSize(textSizePx);

    final Rect bounds = new Rect();
    paint.getTextBounds(text, 0, text.length(), bounds);

    Bitmap bitmap = null;
    if (!bounds.isEmpty()) {
        final int width = bounds.width();
        final int height = bounds.height();

        bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_4444);

        final float x = bounds.left;
        final float y = height - bounds.bottom;

        final Canvas canvas = new Canvas(bitmap);
        canvas.drawText(text, x, y, paint);
    }

    return bitmap;
}

From source file:Main.java

public static String extractFromAssets(Context ctx, String file, String destinationDirectory)
        throws IOException, FileNotFoundException {
    final int BUFFER = 2048;
    BufferedOutputStream dest = null;
    AssetManager assetManager = ctx.getAssets();
    InputStream in = assetManager.open(file);
    String destinationFilename = destinationDirectory + File.separator + file;
    OutputStream out = new FileOutputStream(destinationFilename);
    byte[] buffer = new byte[1024];
    int read;/*from  w  w  w.  j  ava 2 s . c  o m*/
    while ((read = in.read(buffer)) != -1) {
        out.write(buffer, 0, read);
    }
    in.close();
    out.close();
    return destinationFilename;
}

From source file:Main.java

/**
 * Load an asset file and return file's content
 * /*ww  w .  j  a  v  a 2  s .  c o  m*/
 * @param mContext Context
 * @param mFilename filename
 * @return file's content
 */
private static String loadFileText(final Context mContext, final String mFilename) {
    try {
        StringBuffer mFileData = new StringBuffer();
        final BufferedReader mReader = new BufferedReader(
                new InputStreamReader(mContext.getAssets().open(mFilename)));
        String line;
        while ((line = mReader.readLine()) != null) {
            mFileData.append(line);
        }
        return mFileData.toString();
    } catch (IOException e) {
        return null;
    }
}

From source file:com.github.hobbe.android.openkarotz.util.AssetUtils.java

/**
 * Load a JSON resource from the asset filename.
 * @param context the context//w ww . j  av a  2 s . c om
 * @param filename the name of the JSON object
 * @return the JSON object
 */
public static JSONObject loadJsonFromAsset(Context context, String filename) {
    JSONObject json = null;
    InputStream is = null;

    try {
        is = context.getAssets().open(filename);

        int size = is.available();
        byte[] buffer = new byte[size];
        is.read(buffer);

        String content = new String(buffer, "UTF-8");
        json = new JSONObject(content);

    } catch (IOException e) {
        Log.e(LOG_TAG, "Could not load JSON asset " + filename, e);
        return null;
    } catch (JSONException e) {
        Log.e(LOG_TAG, "Could not parse JSON from asset " + filename, e);
        return null;
    } finally {
        if (is != null) {
            try {
                is.close();
            } catch (IOException e) {
                // Ignored
            }
        }
    }

    return json;
}

From source file:Main.java

/**
 * Returns true if the given tile file exists as a local asset.
 *///from  w w  w  . j ava  2  s .  c om
public static boolean hasTileAsset(Context context, String filename) {

    //cache the list of available files
    if (mapTileAssets == null) {
        try {
            mapTileAssets = context.getAssets().list("maptiles");
        } catch (IOException e) {
            // no assets
            mapTileAssets = new String[0];
        }
    }

    // search for given filename
    for (String s : mapTileAssets) {
        if (s.equals(filename)) {
            return true;
        }
    }
    return false;
}

From source file:Main.java

public static boolean prepareDex(Context context, File dexInternalStoragePath, String dexFile) {
    BufferedInputStream bis = null;
    OutputStream dexWriter = null;

    try {//from  ww w .j a  v  a2s. com
        bis = new BufferedInputStream(context.getAssets().open(dexFile));
        dexWriter = new BufferedOutputStream(new FileOutputStream(dexInternalStoragePath));
        byte[] buf = new byte[BUF_SIZE];
        int len;
        while ((len = bis.read(buf, 0, BUF_SIZE)) > 0) {
            dexWriter.write(buf, 0, len);
        }
        dexWriter.close();
        bis.close();
        return true;
    } catch (IOException e) {
        if (dexWriter != null) {
            try {
                dexWriter.close();
            } catch (IOException ioe) {
                ioe.printStackTrace();
            }
        }
        if (bis != null) {
            try {
                bis.close();
            } catch (IOException ioe) {
                ioe.printStackTrace();
            }
        }
        return false;
    }
}