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.shywim.antoinedaniel.utils.Utils.java

/**
 * Delete the application's cache directory.
 *
 * @param context application's context//  w ww.  jav a2 s . c  o  m
 * @return whether the directory has been successfully deleted or not
 */
public static boolean deleteCacheDir(Context context) {
    try {
        File dir = context.getCacheDir();
        if (dir != null && dir.isDirectory()) {
            return deleteDir(dir);
        }
    } catch (Exception e) {
        Crashlytics.logException(e);
    }
    return false;
}

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From source file:Main.java

public static File getCacheDirectory(Context context, boolean preferExternal, String dirName) {
    File appCacheDir = null;// w w  w .j a v a 2s. c  o  m
    if (preferExternal && MEDIA_MOUNTED.equals(Environment.getExternalStorageState())
            && hasExternalStoragePermission(context)) {
        appCacheDir = getExternalCacheDir(context, dirName);
        Log.e("appCacheDir", appCacheDir.toString());
    }
    if (appCacheDir == null) {
        appCacheDir = context.getCacheDir();
    }
    if (appCacheDir == null) {
        String cacheDirPath = "/data/data/" + context.getPackageName() + "/cache/";
        //Log.w("Can't define system cache directory! '%s' will be used.",cacheDirPath);
        appCacheDir = new File(cacheDirPath);
    }
    return appCacheDir;
}

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From source file:edu.hastings.hastingscollege.MainActivity.java

public static void trimCache(Context context) {
    try {/*from ww w  .ja va  2 s.  c  o m*/
        File dir = context.getCacheDir();
        if (dir != null && dir.isDirectory()) {
            deleteDir(dir);
        }
    } catch (Exception e) {
        Log.v("Trim Cache exception", e.toString());
    }
}

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From source file:Main.java

/**
 * Returns specified application cache directory. Cache directory will be created on SD card by defined path if card
 * is mounted and app has appropriate permission. Else - Android defines cache directory on device's file system.
 *
 * @param context  Application context/*from  ww w.  jav a 2 s  .  c  o  m*/
 * @param cacheDir Cache directory path (e.g.: "AppCacheDir", "AppDir/cache/images")
 * @return Cache {@link File directory}
 */
public static File getOwnCacheDirectory(Context context, String cacheDir, boolean preferExternal) {
    File appCacheDir = null;
    if (preferExternal && MEDIA_MOUNTED.equals(Environment.getExternalStorageState())
            && hasExternalStoragePermission(context)) {
        appCacheDir = new File(Environment.getExternalStorageDirectory(), cacheDir);
    }
    if (appCacheDir == null || (!appCacheDir.exists() && !appCacheDir.mkdirs())) {
        appCacheDir = context.getCacheDir();
    }
    return appCacheDir;
}

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From source file:io.nuclei.splice.internal.FileManager.java

private static File getBaseFile(Context context, int type) throws IOException {
    File base = null;/*from  ww  w  .java  2 s  . c  o  m*/
    if (type == TYPE_EXTERNAL_FILE && Environment.MEDIA_MOUNTED.equals(Environment.getExternalStorageState()))
        base = new File(context.getExternalFilesDir(null), DIR);
    else if (type == TYPE_CACHE_FILE)
        base = new File(context.getCacheDir(), DIR);
    else if (type == TYPE_LOCAL_FILE)
        base = new File(context.getFilesDir(), DIR);
    if (base == null)
        throw new IOException("Couldn't access directory type: " + type);
    if (!base.exists() && !base.mkdirs())
        throw new IOException("Couldn't create directory: " + base);
    return base;
}

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From source file:org.stenerud.kscrash.KSCrashInstallationEmail.java

private static List<KSCrashReportFilter> generateFilters(Context context, List<String> recipients,
        String subject, String message) {
    List<KSCrashReportFilter> reportFilters = new LinkedList<KSCrashReportFilter>();
    reportFilters.add(new KSCrashReportFilterJSONEncode(4));
    reportFilters.add(new KSCrashReportFilterGZipCompress());
    reportFilters.add(/*  www  . j  a  v a  2s .c o m*/
            new KSCrashReportFilterCreateTempFiles(new File(context.getCacheDir(), "temp"), "report", "gz"));
    reportFilters.add(new KSCrashReportFilterEmail(context, recipients, subject, message));
    reportFilters.add(new KSCrashReportFilterDeleteFiles());

    return reportFilters;
}

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From source file:net.henryco.opalette.api.utils.Utils.java

public static void shareBitmapAction(Bitmap bitmap, String filename, Context activity, boolean saveAfter,
        Runnable... runnables) {// w ww.j  a  v a 2  s  .  c  o m

    String file_name = filename;
    if (!file_name.endsWith(".png"))
        file_name += ".png";

    try {
        File cachePath = new File(activity.getCacheDir(), "images"); // see: res/xml/filepaths.xml

        if (cachePath.exists())
            deleteRecursive(cachePath);
        cachePath.mkdirs();

        FileOutputStream stream = new FileOutputStream(cachePath + "/" + file_name);
        bitmap.compress(Bitmap.CompressFormat.PNG, 100, stream);
        stream.close();
    } catch (IOException e) {
        e.printStackTrace();
    }

    File imagePath = new File(activity.getCacheDir(), "images");
    File newFile = new File(imagePath, file_name);
    Uri contentUri = FileProvider.getUriForFile(activity, "net.henryco.opalette.fileprovider", newFile);

    if (contentUri != null) {
        Intent shareIntent = new Intent();
        shareIntent.setAction(Intent.ACTION_SEND);
        shareIntent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); // temp permission for receiving app to read this file
        shareIntent.setType("image/png");
        shareIntent.putExtra(Intent.EXTRA_STREAM, contentUri);
        activity.startActivity(Intent.createChooser(shareIntent, "Share"));
    }
    if (saveAfter)
        saveBitmapAction(bitmap, filename, activity, runnables);
}

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From source file:at.ac.uniklu.mobile.sportal.util.Utils.java

/**
 * Loads a bitmap for the network or from a cached file, if it has already been downloaded before. If the file
 * is loaded for the first time, it is written to the cache to be available next time.
 * /*  w  w  w  . j av a 2 s.c om*/
 * @param context
 * @param sourceUrl
 * @param cacheFileName
 * @return a bitmap or null if something went wrong
 */
public static Bitmap downloadBitmapWithCache(Context context, String sourceUrl, String cacheFileName)
        throws Exception {
    Bitmap bitmap = null;
    File cacheFile = new File(context.getCacheDir(), cacheFileName);

    boolean cached = cacheFile.exists();
    boolean cachedValid = cached && cacheFile.lastModified() > (System.currentTimeMillis() - MILLIS_PER_WEEK);

    if (cached && cachedValid) {
        // the requested file is cached, load it
        Log.d(TAG, "loading cached file: " + cacheFileName);
        bitmap = BitmapFactory.decodeFile(cacheFile.getAbsolutePath());
    } else {
        // the requested file is not cached, download it from the network
        Log.d(TAG, "file " + (cachedValid ? "too old" : "not cached") + ", downloading: " + sourceUrl);
        byte[] data = downloadFile(sourceUrl, 3);
        if (data != null) {
            bitmap = BitmapFactory.decodeByteArray(data, 0, data.length);
            if (bitmap != null) {
                // the download succeeded, cache the file so it is available next time
                FileOutputStream out = new FileOutputStream(cacheFile);
                out.write(data, 0, data.length);
                out.flush();
                out.close();
            } else {
                Log.e(TAG, "failed to download bitmap, may be an unsupported format: " + sourceUrl);
            }
        }
    }

    return bitmap;
}

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From source file:com.conferenceengineer.android.iosched.util.ImageLoader.java

/**
 * Get a usable cache directory (external if available, internal otherwise).
 *
 * @param context The context to use//from   w  w w . ja va  2  s  . co m
 * @param uniqueName A unique directory name to append to the cache dir
 * @return The cache dir
 */
public static File getDiskCacheDir(Context context, String uniqueName) {
    // TODO: getCacheDir() should be moved to a background thread as it attempts to create the
    // directory if it does not exist (no disk access should happen on the main/UI thread).
    final String cachePath = context.getCacheDir().getPath();
    return new File(cachePath + File.separator + uniqueName);
}

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From source file:Main.java

public static File getCacheDir(Context context) {
    Log.i("getCacheDir", "cache sdcard state: " + Environment.getExternalStorageState());
    if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {
        File cacheDir = context.getExternalCacheDir();
        if (cacheDir != null && (cacheDir.exists() || cacheDir.mkdirs())) {
            Log.i("getCacheDir", "cache dir: " + cacheDir.getAbsolutePath());
            return cacheDir;
        }//from   w  ww. j  a  v a  2s.com
    }

    File cacheDir = context.getCacheDir();
    Log.i("getCacheDir", "cache dir: " + cacheDir.getAbsolutePath());

    return cacheDir;
}

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