Function to return the name for the given contact number in Android

AndroidContactsSnippet.java

    /**
     * This method takes the phone number as input and returns the name of the contact from default contact list if it
     * is available
     * 
     * @param phoneNumberPrefix
     *            : The country code. It can be left null or empty
     * @param phoneNumber
     *            : The phone number. It can also accept country code prefixed with itself.
     * 
     * @return: Corresponding name if available otherwise returns null
     */
    public String getContactName(String phoneNumberPrefix, String phoneNumber) {
    String name = null;
    Cursor cursor = null;

	// Concatenate the phone number with the prefix
	if (!TextUtils.isEmpty(phoneNumberPrefix)) {
	    phoneNumber = phoneNumberPrefix + phoneNumber;
	}
	try {
	    if (context != null) {
		// Initialize the variables
		ContentResolver cr = context.getContentResolver();
		Uri uri = Uri.withAppendedPath(PhoneLookup.CONTENT_FILTER_URI, Uri.encode(phoneNumber));

		// Run the query
		cursor = cr.query(uri, new String[] { PhoneLookup.DISPLAY_NAME }, null, null, null);

		if (cursor != null && cursor.moveToFirst()) {
		    do {
			name = cursor.getString(cursor.getColumnIndex(PhoneLookup.DISPLAY_NAME));
			if (!TextUtils.isEmpty(name)) {
			    break;
			}
		    } while (cursor.moveToNext());
		}
	    }
	} catch (Exception e) {
	    e.printStackTrace();
	} finally {
	    attemptToCloseCursor(cursor);
	}
	return name;
    }

    /**
     * Closes the given cursor
     * 
     * @param cursor
     */
    private void attemptToCloseCursor(Cursor cursor) {
	try {
	    if (cursor != null) {
		cursor.close();
	    }
	} catch (Exception e) {
	    e.printStackTrace();
	}
    }