Example usage for android.content Context getCacheDir

Introduction

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

Prototype

public abstract File getCacheDir();

Source Link

Document

Returns the absolute path to the application specific cache directory on the filesystem.

Usage

From source file:fr.eoidb.util.ImageDownloader.java

@SuppressWarnings("unchecked")
public void loadImageCache(Context context) {
    if (BuildConfig.DEBUG)
        Log.v(LOG_TAG, "Loading image cache...");
    File cacheFile = new File(context.getCacheDir(), cacheFileName);

    if (cacheFile.exists() && cacheFile.length() > 0) {
        ObjectInputStream ois = null;
        try {// www .  j  av  a 2  s. c  o  m
            HashMap<String, String> cacheDescription = new HashMap<String, String>();
            ois = new ObjectInputStream(new FileInputStream(cacheFile));
            cacheDescription = (HashMap<String, String>) ois.readObject();

            for (Entry<String, String> cacheDescEntry : cacheDescription.entrySet()) {
                loadSingleCacheFile(cacheDescEntry.getKey(), context);
            }
        } catch (StreamCorruptedException e) {
            Log.e(LOG_TAG, e.getMessage(), e);
        } catch (FileNotFoundException e) {
            Log.e(LOG_TAG, e.getMessage(), e);
        } catch (EOFException e) {
            //delete the corrupted cache file
            Log.w(LOG_TAG, "Deleting the corrupted cache file.", e);
            cacheFile.delete();
        } catch (IOException e) {
            Log.e(LOG_TAG, e.getMessage(), e);
        } catch (ClassNotFoundException e) {
            Log.e(LOG_TAG, e.getMessage(), e);
        } finally {
            if (ois != null) {
                try {
                    ois.close();
                } catch (IOException e) {
                    Log.e(LOG_TAG, e.getMessage(), e);
                }
            }
        }
    }
}

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From source file:com.github.mobile.util.HttpImageGetter.java

/**
 * Create image getter for context/*from   w  w  w .j  a  v a2  s  .  c  o  m*/
 *
 * @param context
 */
public HttpImageGetter(Context context) {
    this.context = context;
    dir = context.getCacheDir();

    WindowManager wm = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
    final Point size;
    if (Build.VERSION.SDK_INT < 13) {
        size = fetchDisplaySizePreHoneycomb(wm);
    } else {
        size = fetchDisplaySize(wm);
    }

    width = size.x;
    height = size.y;

    loadedBitmaps = new ArrayList<>();
    loading = new LoadingImageGetter(context, 24);
}

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From source file:com.lillicoder.newsblurry.util.FileLogger.java

/**
 * Gets a {@link File} object for the given filename. If the indicated
 * file already exists, it will be overwritten by a new file. The returned file 
 * lives in this app's external cache directory by default (when external
 * media is not available, the internal cache is used instead).
 * @param filename Filename of the file to get.
 * @return {@link File} object for the given filename.
 */// w w w . j a va  2  s .  c o  m
private File getLogFile(String filename) {
    Assert.assertTrue(!TextUtils.isEmpty(filename));

    // Use cache directory so that files are removed on uninstall.
    Context context = this.getContext();

    // Check for external media availability. If available,
    // write to that directory. Otherwise get the internal cache
    // directory and write there.
    File rootDirectory;
    if (this.isExternalStorageAvailable())
        rootDirectory = context.getExternalCacheDir();
    else
        rootDirectory = context.getCacheDir();

    // If the file to write already exists, delete it.
    File logFile = new File(rootDirectory, filename);
    if (logFile.exists())
        logFile.delete();

    return logFile;
}

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From source file:org.ado.minesync.minecraft.MinecraftWorldManager.java

public MinecraftWorldManager(DbxAccountManager dbxAccountManager, Context context) {
    notNull(dbxAccountManager, "dbxAccountManager cannot be null");
    notNull(context, "context cannot be null");

    dropboxFileManager = new DropboxFileManager(dbxAccountManager, context.getCacheDir());
    mineSyncWorldStatus = new MineSyncWorldStatus(context.getApplicationContext());
    dbHelper = MineSyncDbOpenHelper.getInstance(context);
    jsonWorldManager = new JsonWorldManager(context);
    zipArchiver = new ZipArchiver();
    minecraftData = new MinecraftData();
    tmpDirectory = context.getCacheDir();
    this.context = context;
}

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From source file:com.bullmobi.base.ui.fragments.dialogs.FeedbackDialog.java

private void attachLog(@NonNull Intent intent) {
    Context context = getActivity();

    try {//  w  w w .  j a v  a2  s  .  c  o m
        String log = Logcat.capture();
        if (log == null)
            throw new Exception("Failed to capture the logcat.");

        // Prepare cache directory.
        File cacheDir = context.getCacheDir();
        if (cacheDir == null)
            throw new Exception("Cache directory is inaccessible");
        File directory = new File(cacheDir, LogsProviderBase.DIRECTORY);
        FileUtils.deleteRecursive(directory); // Clean-up cache folder
        if (!directory.mkdirs())
            throw new Exception("Failed to create cache directory.");

        // Create log file.
        SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMdd_HHmmss");
        sdf.setTimeZone(TimeZone.getTimeZone("UTC"));
        String fileName = "EasyNotification_log_" + sdf.format(new Date()) + ".txt";
        File file = new File(directory, fileName);

        // Write to the file.
        if (!FileUtils.writeToFile(file, log))
            throw new Exception("Failed to write log to the file.");

        // Put extra stream to the intent.
        Uri uri = Uri.parse("content://" + LogAttachmentProvider.AUTHORITY + "/" + fileName);
        intent.putExtra(Intent.EXTRA_STREAM, uri);
    } catch (Exception e) {
        String message = ResUtils.getString(getResources(), R.string.feedback_error_accessing_log,
                e.getMessage());
        ToastUtils.showLong(context, message);
    }
}

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From source file:com.achep.base.ui.fragments.dialogs.FeedbackDialog.java

private void attachLog(@NonNull Intent intent) {
    Context context = getActivity();

    try {// w w  w. java2  s  .  c o  m
        String log = Logcat.capture();
        if (log == null)
            throw new Exception("Failed to capture the logcat.");

        // Prepare cache directory.
        File cacheDir = context.getCacheDir();
        if (cacheDir == null)
            throw new Exception("Cache directory is inaccessible");
        File directory = new File(cacheDir, LogsProviderBase.DIRECTORY);
        FileUtils.deleteRecursive(directory); // Clean-up cache folder
        if (!directory.mkdirs())
            throw new Exception("Failed to create cache directory.");

        // Create log file.
        @SuppressLint("SimpleDateFormat")
        SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMdd_HHmmss");
        sdf.setTimeZone(TimeZone.getTimeZone("UTC"));
        String fileName = "AcDisplay_log_" + sdf.format(new Date()) + ".txt";
        File file = new File(directory, fileName);

        // Write to the file.
        if (!FileUtils.writeToFile(file, log))
            throw new Exception("Failed to write log to the file.");

        // Put extra stream to the intent.
        Uri uri = Uri.parse("content://" + LogAttachmentProvider.AUTHORITY + "/" + fileName);
        intent.putExtra(Intent.EXTRA_STREAM, uri);
    } catch (Exception e) {
        String message = ResUtils.getString(getResources(), R.string.feedback_error_accessing_log,
                e.getMessage());
        ToastUtils.showLong(context, message);
    }
}

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From source file:com.hybris.mobile.lib.http.manager.volley.VolleyPersistenceManager.java

/**
 * This method create a new RequestQueue that returns the callbacks in a background thread and not the UI thread
 *
 * @param context          the android context
 * @param sslSocketFactory the SSL factory for the calls
 * @return the RequestQueue created/*from w  w  w  .  ja  va 2  s .  c o m*/
 */
protected RequestQueue newRequestQueueBackgroundThread(Context context, SSLSocketFactory sslSocketFactory) {
    // This code comes from the official volley library
    File cacheDir = new File(context.getCacheDir(), "volley");

    String userAgent = "volley/0";
    try {
        String packageName = context.getPackageName();
        PackageInfo info = context.getPackageManager().getPackageInfo(packageName, 0);
        userAgent = packageName + "/" + info.versionCode;
    } catch (PackageManager.NameNotFoundException e) {
        Log.e(TAG, userAgent + " : " + e.getMessage());

    }

    Network network = new BasicNetwork(new HurlStack(null, sslSocketFactory));

    // This code allows the callback to be returned in a background thread and not the UI thread
    ResponseDelivery responseDelivery = new ExecutorDelivery(Executors.newFixedThreadPool(THREAD_POOL_SIZE));
    RequestQueue queue = new RequestQueue(new DiskBasedCache(cacheDir), network, THREAD_POOL_SIZE,
            responseDelivery);
    queue.start();

    return queue;
}

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From source file:com.hunch.ImageManager.java

protected void addToApplicationCache(Bitmap d, URL url, Context context) {
    final String fileName = fileNameFromURL(url);
    File cachedImagesDir = new File(context.getCacheDir(), Const.CACHE_IMG_DIR);

    if (!cachedImagesDir.exists()) {
        cachedImagesDir.mkdir();//  w w  w .ja  va2  s .  c  o m
    }

    File imageFile = new File(cachedImagesDir, fileName);

    /*if( !imageFile.canWrite() )
    {
       Log.w( Const.TAG, "can't write to app image cache! (" + imageFile.toString() + ")" );
       return;
    }*/

    FileOutputStream fOut = null;
    try {
        fOut = new FileOutputStream(imageFile);

    } catch (FileNotFoundException e) {
        Log.w(Const.TAG, "can't find or write to file in app cache! (" + imageFile.getAbsolutePath() + ")");
        e.printStackTrace();
        return;
    }

    boolean success = d.compress(Bitmap.CompressFormat.PNG, 0, fOut);
    if (!success) {
        Log.w(Const.TAG, "image compress for app cache failed! (" + imageFile.getAbsolutePath() + ")");
    }

    try {
        fOut.flush();
        fOut.close();
    } catch (IOException e) {
        Log.w(Const.TAG,
                "couldn't flush or close output stream for app cache! (" + imageFile.getAbsolutePath() + ")");
    }
}

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From source file:com.facebook.FileLruCache.java

FileLruCache(Context context, String tag, Limits limits) {
    this.tag = tag;
    this.limits = limits;
    this.directory = new File(context.getCacheDir(), tag);

    // Ensure the cache dir exists
    this.directory.mkdirs();

    // Remove any stale partially-written files from a previous run
    BufferFile.deleteAll(this.directory);
}

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From source file:com.hunch.ImageManager.java

protected FileInputStream getImageFileStreamFromCache(final Context context, final URL url) {
    final String fileName = fileNameFromURL(url);

    File hunchCacheDir = new File(context.getCacheDir(), Const.CACHE_IMG_DIR);
    File[] imageFileList = hunchCacheDir.listFiles(new FilenameFilter() {

        @Override//from w  w w  . j  a v a2s.c o  m
        public boolean accept(File dir, String aFilename) {
            return aFilename.equals(fileName);
        }
    });

    if (imageFileList == null || imageFileList.length == 0) {
        return null;
    }

    if (imageFileList.length > 1) {
        Log.i(Const.TAG,
                "found " + imageFileList.length + " images for url in app cache! " + "(" + fileName + ")");
    }

    FileInputStream iStream = null;
    try {
        iStream = new FileInputStream(imageFileList[0]);
    } catch (FileNotFoundException e) {
        return null;
    }

    //Log.v( Const.TAG, "found image in app cache (" + url + ")" );

    return iStream;
}

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