Merge "Fix occasional correction errors in suggesting obvious corrections."

     */

    public void add(int primaryCode, int[] codes) {

        mTypedWord.append((char) primaryCode);

        correctPrimaryJuxtapos(primaryCode, codes);

        mCodes.add(codes);

        if (Character.isUpperCase((char) primaryCode)) mCapsCount++;

    }

    /**

     * Swaps the first and second values in the codes array if the primary code is not the first

     * value in the array but the second. This happens when the preferred key is not the key that

     * the user released the finger on.

     * @param primaryCode the preferred character

     * @param codes array of codes based on distance from touch point

     */

    private void correctPrimaryJuxtapos(int primaryCode, int[] codes) {

        if (codes.length < 2) return;

        if (codes[0] > 0 && codes[1] > 0 && codes[0] != primaryCode && codes[1] == primaryCode) {

            codes[1] = codes[0];

            codes[0] = primaryCode;

        }

    }

    /**

     * Delete the last keystroke as a result of hitting backspace.

     */