Example usage for android.content Context getAssets

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:ch.ethz.coss.nervousnet.hub.ui.ShowcaseActivity.java

public static String parseJSONFile(String res, Context context) throws IOException {
    AssetManager manager = context.getAssets();
    InputStream file = manager.open(res);
    byte[] formArray = new byte[file.available()];
    file.read(formArray);//from w  ww.j  av  a  2  s. com
    file.close();

    return new String(formArray);
}

From source file:Main.java

static public void CopyAsset(Context ctx, File path, String filename) throws IOException {
    AssetManager assetManager = ctx.getAssets();
    InputStream in = null;//from www.  j a  v a 2  s  . co  m
    OutputStream out = null;

    // Copy files from asset folder to application folder
    try {
        in = assetManager.open(filename);
        out = new FileOutputStream(path.toString() + "/" + filename);
        copyFile(in, out);
    } catch (IOException e) {
        Log.e(TAG, e.getMessage());
        throw e;
    } finally {
        // Reclaim resources
        if (in != null) {
            in.close();
            in = null;
        }
        if (out != null) {
            out.flush();
            out.close();
            out = null;
        }
    }
}

From source file:Main.java

/**
 * @param filePath filePath example("pictures")
 *//*w w w . ja  v a2  s  .  c  o  m*/
public static List<String> traversalAssetsFiles(Context context, String filePath) {
    List<String> files = new ArrayList<>();
    try {
        for (String file : context.getAssets().list(filePath)) {
            if (file != null && !file.isEmpty()) {
                if (file.endsWith(".jpg") || file.endsWith(".gif") || file.endsWith(".png")) {
                    files.add(file);
                }
            }
        }
    } catch (IOException e) {
        e.printStackTrace();
    }
    return files;
}

From source file:Main.java

public static boolean copyAsset(Context context, String fromFile, String toFile) throws IOException {

    InputStream in = context.getAssets().open(fromFile);
    OutputStream out = new FileOutputStream(toFile);
    try {/*from   w  ww .j a  v a 2 s. c  o m*/
        byte[] buffer = new byte[1024];
        int read;
        while ((read = in.read(buffer)) != -1) {
            out.write(buffer, 0, read);
        }
    } catch (IOException ex) {
        ex.printStackTrace();
        return false;
    } finally {
        try {
            if (in != null)
                in.close();
            if (out != null)
                out.close();

        } catch (IOException ex) {
            ex.printStackTrace();
            return false;
        }
    }
    return true;
}

From source file:Main.java

public static Drawable getDrawableAsset(Context context, String path) {

    // Get input stream
    InputStream inputStream = null;
    try {//from ww  w .j a v a 2 s.c  o  m
        inputStream = context.getAssets().open(path);
    } catch (IOException e) {
        e.printStackTrace();
    }
    // Load image as Drawable
    Drawable drawable = Drawable.createFromStream(inputStream, null);

    return drawable;
}

From source file:Main.java

public static void copyAsset(Context context, String assetFileName, String dstFile) {
    AssetManager assetManager = null;//from  ww  w .  ja va 2s  .c  o  m
    assetManager = context.getAssets();
    InputStream inputStream = null;
    FileOutputStream fileOutputStream = null;

    try {
        inputStream = assetManager.open(assetFileName);
        fileOutputStream = new FileOutputStream(dstFile);
        byte[] buffer = new byte[inputStream.available()];
        inputStream.read(buffer);
        fileOutputStream.write(buffer);
        fileOutputStream.flush();
    } catch (Exception ex) {
        ex.printStackTrace();
    } finally {
        try {
            inputStream.close();
            fileOutputStream.close();
        } catch (Exception ex) {
            ex.printStackTrace();
        }
    }
}

From source file:Main.java

public static Bitmap getEmotion(Context context, String key) {
    String fileName = "default_emotions_package/" + MAP.get(key);
    try {//from   w  ww.j av a 2  s .c o  m
        AssetManager am = context.getAssets();
        return BitmapFactory.decodeStream(am.open(fileName));
    } catch (IOException e) {
        Log.e(TAG, e.getMessage());
    }
    return null;
}

From source file:Main.java

private static boolean copyDex(Context ctx, String dexAssertPath, String dexPath) {
    AssetManager assets = ctx.getAssets();
    InputStream inStream = null;/* w ww . j a v  a2 s. co m*/
    OutputStream dexWriter = null;
    boolean suc = true;
    try {
        inStream = assets.open(dexAssertPath);
        FileOutputStream outStream = new FileOutputStream(dexPath);
        dexWriter = new BufferedOutputStream(outStream);
        byte[] buf = new byte[1024 * 8];
        int len;
        while ((len = inStream.read(buf)) > 0) {
            dexWriter.write(buf, 0, len);
        }
        dexWriter.close();
        inStream.close();
    } catch (Exception e) {
        e.printStackTrace();
        suc = false;
    } finally {
        try {
            if (null != inStream) {
                inStream.close();
            }
            if (null != dexWriter) {
                dexWriter.close();
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
    return suc;
}

From source file:Main.java

/**
 * If private asset exists, load that, otherwise fall back to open source
 * assets.// w w w . jav  a  2s . c  o m
 * 
 * @param context
 * @param upgradePath
 * @return
 * @throws IOException
 */
public static InputStream openAsset(Context context, String relativePath) throws IOException {
    InputStream inputStream;
    try {
        inputStream = context.getAssets().open("private/" + relativePath);
    } catch (IOException e) {
        inputStream = context.getAssets().open("licensed/" + relativePath);
    }
    return inputStream;
}

From source file:Main.java

public static boolean checkIfDllInstalled(Context context) {
    boolean isInstalled = false;
    try {/*  w  ww .  j a va  2s . c  o m*/
        InputStream inputStream = context.getAssets().open("Disdll.dll");
        File file = context.getFileStreamPath("Disdll.dll");
        if (file != null) {
            if (file.length() == inputStream.available()) {
                isInstalled = true;
            }
        }
        inputStream.close();
    } catch (IOException e) {
        e.printStackTrace();
    }
    return isInstalled;
}