Example usage for android.content Context getFilesDir

Introduction

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

Prototype

public abstract File getFilesDir();

Source Link

Document

Returns the absolute path to the directory on the filesystem where files created with #openFileOutput are stored.

Usage

From source file:org.fdroid.fdroid.installer.ApkCache.java

/**
 * Copy the APK to the safe location inside of the protected area
 * of the app to prevent attacks based on other apps swapping the file
 * out during the install process. Most likely, apkFile was just downloaded,
 * so it should still be in the RAM disk cache.
 *//*from   w w w. ja v a  2  s.co m*/
public static SanitizedFile copyApkFromCacheToFiles(Context context, File apkFile, Apk expectedApk)
        throws IOException {
    SanitizedFile sanitizedApkFile = null;

    try {
        sanitizedApkFile = SanitizedFile
                .knownSanitized(File.createTempFile("install-", ".apk", context.getFilesDir()));
        FileUtils.copyFile(apkFile, sanitizedApkFile);

        // verify copied file's hash with expected hash from Apk class
        if (!verifyApkFile(sanitizedApkFile, expectedApk.hash, expectedApk.hashType)) {
            FileUtils.deleteQuietly(apkFile);
            throw new IOException(apkFile + " failed to verify!");
        }

        return sanitizedApkFile;
    } catch (NoSuchAlgorithmException e) {
        throw new RuntimeException(e);
    } finally {
        // 20 minutes the start of the install process, delete the file
        final File apkToDelete = sanitizedApkFile;
        new Thread() {
            @Override
            public void run() {
                android.os.Process.setThreadPriority(android.os.Process.THREAD_PRIORITY_LOWEST);
                try {
                    Thread.sleep(1200000);
                } catch (InterruptedException ignored) {
                } finally {
                    FileUtils.deleteQuietly(apkToDelete);
                }
            }
        }.start();
    }
}

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From source file:Main.java

public static File getNewFile(Context context, String folderName) {

    SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyyMMdd_HHmmss", Locale.CHINA);

    String timeStamp = simpleDateFormat.format(new Date());

    String path;/*from  w  w  w  . ja  v  a2 s  .co m*/
    if (isSDAvailable()) {
        path = getFolderName(folderName) + File.separator + timeStamp + ".jpg";
    } else {
        path = context.getFilesDir().getPath() + File.separator + timeStamp + ".jpg";
    }

    if (TextUtils.isEmpty(path)) {
        return null;
    }

    return new File(path);
}

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From source file:org.metasyntactic.utilities.ExceptionUtilities.java

public static void registerExceptionHandler(Context context) {
    PackageManager pm = context.getPackageManager();
    try {/*  ww  w . j  av a 2s  . c  o  m*/
        PackageInfo pi = pm.getPackageInfo(context.getPackageName(), 0);
        Version = pi.versionName;
        Package = pi.packageName;
        FilesPath = context.getFilesDir().getAbsolutePath();
    } catch (NameNotFoundException e) {
        e.printStackTrace();
    }

    new Thread() {
        @Override
        public void run() {
            submitStackTraces();
            Thread.setDefaultUncaughtExceptionHandler(DEFAULT_EXCEPTION_HANDLER);
        }
    }.start();
}

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From source file:Main.java

/**
 * Show a level/*from   w  w  w .  j a  v  a  2s  .  c om*/
 * 
 * @param context The context
 * @param level The level
 */
public static void showLevel(Context context, int level) {
    String filename;
    switch (level) {
    case 1: {
        filename = "ground_floor.png";
        break;
    }
    case 2: {
        filename = "talks_floor.png";
        break;
    }

    default: {
        return;
    }
    }
    File f = new File(context.getFilesDir() + "/" + filename);
    try {
        if (f.exists() == false) {
            InputStream is = context.getAssets().open(filename);
            FileOutputStream fos = context.openFileOutput(filename, Context.MODE_WORLD_READABLE);
            byte[] buffer = new byte[is.available()];
            is.read(buffer);
            // write the stream to file
            fos.write(buffer, 0, buffer.length);
            fos.close();
            is.close();
        }

        // Prepare the intent
        //TODO - create an activity for this instead. Internal viewers might be quite heavy
        Intent intent = new Intent(Intent.ACTION_VIEW);
        intent.setDataAndType(Uri.fromFile(f), "image/png");
        context.startActivity(intent);
    } catch (Exception ex) {
        ex.printStackTrace();
    }
}

---

From source file:Main.java

/**
 * Returns the local store of reliable server certificates, explicitly accepted by the user.
 * //  w  w w  .  j  a va2 s  .c  o  m
 * Returns a KeyStore instance with empty content if the local store was never created.
 * 
 * Loads the store from the storage environment if needed.
 * 
 * @param context                       Android context where the operation is being performed.
 * @return                              KeyStore instance with explicitly-accepted server certificates. 
 * @throws KeyStoreException            When the KeyStore instance could not be created.
 * @throws IOException                  When an existing local trust store could not be loaded.
 * @throws NoSuchAlgorithmException     When the existing local trust store was saved with an unsupported algorithm.
 * @throws CertificateException         When an exception occurred while loading the certificates from the local trust store.
 */
private static KeyStore getKnownServersStore(Context context)
        throws KeyStoreException, IOException, NoSuchAlgorithmException, CertificateException {
    if (mKnownServersStore == null) {
        //mKnownServersStore = KeyStore.getInstance("BKS");
        mKnownServersStore = KeyStore.getInstance(KeyStore.getDefaultType());
        File localTrustStoreFile = new File(context.getFilesDir(), LOCAL_TRUSTSTORE_FILENAME);
        Log.d(TAG, "Searching known-servers store at " + localTrustStoreFile.getAbsolutePath());
        if (localTrustStoreFile.exists()) {
            InputStream in = new FileInputStream(localTrustStoreFile);
            try {
                mKnownServersStore.load(in, LOCAL_TRUSTSTORE_PASSWORD.toCharArray());
            } finally {
                in.close();
            }
        } else {
            mKnownServersStore.load(null, LOCAL_TRUSTSTORE_PASSWORD.toCharArray()); // necessary to initialize an empty KeyStore instance
        }
    }
    return mKnownServersStore;
}

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From source file:Main.java

public static boolean writeToFile(Context ctx, String strContent, String filename) {
    boolean bReturn = true;
    FileOutputStream osw = null;/* ww  w  .  j  a  v  a2 s .  com*/

    try {
        //Make sub directories if needed
        String[] split = filename.split(File.separator);
        String file = split[split.length - 1];
        String path = filename.substring(0, filename.indexOf(file));
        if (path != "")
            new File(ctx.getFilesDir() + File.separator + path).mkdirs();
        File outputFile = new File(ctx.getFilesDir() + File.separator + filename);

        osw = new FileOutputStream(outputFile);
        osw.write(strContent.getBytes());
        osw.close();
    } catch (Exception e) {
        e.printStackTrace();
        bReturn = false;
    } finally {
        try {
            if (osw != null)
                osw.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    return bReturn;
}

---

From source file:com.gelakinetic.mtgfam.helpers.ZipUtils.java

/**
 * Zips all files specified in an ArrayList into a given file
 *
 * @param zipFile The file to zip files into
 * @param files   The files to be zipped
 * @param context The application context, for getting files and the like
 * @throws IOException IOException Thrown if something goes wrong with zipping and reading
 *///w w w.  jav  a2 s.  c  o m
private static void zipIt(File zipFile, ArrayList<File> files, Context context) throws IOException {

    byte[] buffer = new byte[1024];

    FileOutputStream fos = new FileOutputStream(zipFile);
    ZipOutputStream zos = new ZipOutputStream(fos);
    assert context.getFilesDir() != null;
    for (File file : files) {
        ZipEntry ze = new ZipEntry(file.getName());
        zos.putNextEntry(ze);

        FileInputStream in = new FileInputStream(file);

        int len;
        while ((len = in.read(buffer)) > 0) {
            zos.write(buffer, 0, len);
        }
        in.close();
    }

    zos.closeEntry();
    zos.close();
}

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From source file:com.ruesga.rview.misc.CacheHelper.java

public static File createNewTemporaryFile(Context context, String suffix) throws IOException {
    String ts = new SimpleDateFormat("yyyyMMdd_HHmmss", Locale.US).format(new Date());
    File storageDir = context.getFilesDir();
    if (storageDir.exists() || storageDir.mkdirs()) {
        File file = new File(storageDir.getAbsolutePath(), ts + suffix);
        if (file.createNewFile()) {
            return new File(storageDir.getAbsolutePath(), ts + suffix);
        }/*from w ww.j a v  a 2 s. c o  m*/
    }
    return null;
}

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From source file:com.cyberocw.habittodosecretary.file.StorageHelper.java

public static File getSharedPreferencesFile(Context mContext) {
    File appData = mContext.getFilesDir().getParentFile();
    String packageName = mContext.getApplicationContext().getPackageName();
    return new File(appData + System.getProperty("file.separator") + "shared_prefs"
            + System.getProperty("file.separator") + packageName + "_preferences.xml");
}

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From source file:com.cerema.cloud2.lib.common.network.NetworkUtils.java

/**
 * Returns the local store of reliable server certificates, explicitly accepted by the user.
 * //from w  w  w  .java  2  s .c om
 * Returns a KeyStore instance with empty content if the local store was never created.
 * 
 * Loads the store from the storage environment if needed.
 * 
 * @param context                       Android context where the operation is being performed.
 * @return                              KeyStore instance with explicitly-accepted server certificates. 
 * @throws KeyStoreException            When the KeyStore instance could not be created.
 * @throws IOException                  When an existing local trust store could not be loaded.
 * @throws NoSuchAlgorithmException     When the existing local trust store was saved with an unsupported algorithm.
 * @throws CertificateException         When an exception occurred while loading the certificates from the local 
 *                               trust store.
 */
private static KeyStore getKnownServersStore(Context context)
        throws KeyStoreException, IOException, NoSuchAlgorithmException, CertificateException {
    if (mKnownServersStore == null) {
        //mKnownServersStore = KeyStore.getInstance("BKS");
        mKnownServersStore = KeyStore.getInstance(KeyStore.getDefaultType());
        File localTrustStoreFile = new File(context.getFilesDir(), LOCAL_TRUSTSTORE_FILENAME);
        Log_OC.d(TAG, "Searching known-servers store at " + localTrustStoreFile.getAbsolutePath());
        if (localTrustStoreFile.exists()) {
            InputStream in = new FileInputStream(localTrustStoreFile);
            try {
                mKnownServersStore.load(in, LOCAL_TRUSTSTORE_PASSWORD.toCharArray());
            } finally {
                in.close();
            }
        } else {
            // next is necessary to initialize an empty KeyStore instance
            mKnownServersStore.load(null, LOCAL_TRUSTSTORE_PASSWORD.toCharArray());
        }
    }
    return mKnownServersStore;
}

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