hide soft keyboard

__Utils.java

    /**
     * @param v
     */
    public static void hideKeyboard(View v) {
        if (v == null || v.getContext() == null) return;
        InputMethodManager imm = (InputMethodManager)
                v.getContext().getSystemService(Context.INPUT_METHOD_SERVICE);

        if (imm != null && imm.isAcceptingText()) {
            imm.hideSoftInputFromWindow(v.getRootView().getWindowToken(), 0);
        }
    }

    /**
     * @param a
     */
    public static void hideKeyboard(Activity a) {
        hideKeyboard(a.getCurrentFocus());
    }