Example usage for android.content Context getContentResolver

Introduction

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

Prototype

public abstract ContentResolver getContentResolver();

Source Link

Document

Return a ContentResolver instance for your application's package.

Usage

From source file:Main.java

/**
 * Get the value of the data column for this Uri. This is useful for
 * MediaStore Uris, and other file-based ContentProviders.
 *
 * @param context       The context.//from w  w w. j  a va2 s . co m
 * @param uri           The Uri to query.
 * @param selection     (Optional) Filter used in the query.
 * @param selectionArgs (Optional) Selection arguments used in the query.
 * @return The value of the _data column, which is typically a file path.
 */
public static String getDataColumn(Context context, Uri uri, String selection, String[] selectionArgs) {

    Cursor cursor = null;
    final String column = "_data";
    final String[] projection = { column };

    try {
        cursor = context.getContentResolver().query(uri, projection, selection, selectionArgs, null);
        if (cursor != null && cursor.moveToFirst()) {
            final int column_index = cursor.getColumnIndexOrThrow(column);
            return cursor.getString(column_index);
        }
    } finally {
        if (cursor != null)
            cursor.close();
    }
    return null;
}

From source file:Main.java

public static void insertUrl(Context context, Uri contentUri, URL sourceUrl) {
    if (DEBUG) {//  w w  w . j  av  a  2s.c  o m
        Log.d(TAG, "Inserting " + sourceUrl + " to " + contentUri);
    }
    InputStream is = null;
    OutputStream os = null;
    try {
        is = sourceUrl.openStream();
        os = context.getContentResolver().openOutputStream(contentUri);
        copy(is, os);
    } catch (IOException ioe) {
        Log.e(TAG, "Failed to write " + sourceUrl + "  to " + contentUri, ioe);
    } finally {
        if (is != null) {
            try {
                is.close();
            } catch (IOException e) {
                // Ignore exception.
            }
        }
        if (os != null) {
            try {
                os.close();
            } catch (IOException e) {
                // Ignore exception.
            }
        }
    }
}

From source file:Main.java

private static String fileUriTitle(Context context, String contentUri) {
    String result = null;/*from w  ww .ja va 2  s.co m*/
    String[] p = { MediaStore.MediaColumns.DISPLAY_NAME, MediaStore.MediaColumns.TITLE };
    Uri uri = Uri.parse(contentUri);
    String path = uri.getPath();
    String last = Uri.parse(path).getLastPathSegment();
    Cursor cursor = context.getContentResolver().query(MediaStore.Audio.Media.INTERNAL_CONTENT_URI, p, // which columns
            MediaStore.MediaColumns.DISPLAY_NAME + "='" + last + "'", // which rows
            null, // selection args (none)
            null); // order-by clause (ascending by name)
    if (cursor != null) {
        int tcol = cursor.getColumnIndexOrThrow(MediaStore.MediaColumns.TITLE);
        if (cursor.moveToFirst()) {
            result = cursor.getString(tcol);
        }
    }
    return (result);
}

From source file:Main.java

/**
 * Gets binary from uri./*  w ww  .j  a v a  2 s .  c o  m*/
 *
 * @param context context
 * @param uri     uri
 * @return byte[] or null on error
 */
public static byte[] getContentData(final Context context, final String uri) {
    if (uri == null) {
        return null;
    }
    ByteArrayOutputStream out = new ByteArrayOutputStream();
    InputStream in = null;
    byte[] buf = new byte[BUF_SIZE];
    int len;
    try {
        ContentResolver r = context.getContentResolver();
        in = r.openInputStream(Uri.parse(uri));
        while ((len = in.read(buf)) > 0) {
            out.write(buf, 0, len);
        }
        return out.toByteArray();
    } catch (IOException e) {
        return null;
    } finally {
        if (in != null) {
            try {
                in.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
}

From source file:ee.ria.DigiDoc.util.FileUtils.java

private static File cacheUriAsDataFile(Context context, Uri uri, String fileName) {
    File directory = getDataFilesCacheDirectory(context);
    return writeUriDataToDirectory(directory, uri, fileName, context.getContentResolver());
}

From source file:ee.ria.DigiDoc.util.FileUtils.java

private static File uriAsContainerFile(Context context, Uri uri, String fileName) {
    File directory = getContainerCacheDirectory(context);
    return writeUriDataToDirectory(directory, uri, fileName, context.getContentResolver());
}

From source file:Main.java

/**
 * Update content.// www. j a v a2s .c o  m
 *
 * @param context
 *            context
 * @param sourceUri
 *            source uri
 * @param file
 *            output file
 * @return source uri
 */
public static Uri updateContent(Context context, Uri sourceUri, File file) {
    long now = System.currentTimeMillis() / MILLISEC_PER_SEC;
    final ContentValues values = new ContentValues();
    values.put(Images.Media.DATE_MODIFIED, now);
    values.put(Images.Media.DATE_ADDED, now);
    values.put(Images.Media.SIZE, file.length());
    context.getContentResolver().update(sourceUri, values, null, null);
    return sourceUri;
}

From source file:Main.java

public static String getLocalAddress(Context context) {
    // http://stackoverflow.com/a/33749218
    // http://stackoverflow.com/a/34494459

    String address = "";

    if (Build.VERSION.SDK_INT <= 22) {
        address = BluetoothAdapter.getDefaultAdapter().getAddress();
    } else {/*from  w  w w. j  av  a 2s  . c  o  m*/
        address = android.provider.Settings.Secure.getString(context.getContentResolver(), "bluetooth_address");
    }

    return address;
}

From source file:can.yrt.onebusaway.backup.Backup.java

/**
 * Performs a restore from the SD card.//from  w w  w .  j  a  va2s  . c om
 *
 * @param context
 */
public static void restore(Context context) throws IOException {
    File dbPath = getDB(context);
    File backupPath = getBackup(context);

    // At least here we can decide that the database is closed.
    ContentProviderClient client = null;
    try {
        client = context.getContentResolver().acquireContentProviderClient(ObaContract.AUTHORITY);
        ObaProvider provider = (ObaProvider) client.getLocalContentProvider();
        provider.closeDB();

        FileUtils.copyFile(backupPath, dbPath);

    } finally {
        if (client != null) {
            client.release();
        }
    }
}

From source file:com.kku.apps.pricesearch.util.Utils.java

public static void deleteFavorites(Context context, ListItem item) {
    final AsyncQueryHandler dbHandler = new AsyncQueryHandler(context.getContentResolver()) {
    };/*  www. j ava2  s .c om*/
    dbHandler.startDelete(0, null, SearchContract.URI_FAVORITES, FavoritesColumns.ITEMURL + " = ?",
            new String[] { item.getItemUrl() });
}