隐藏软键盘

private void hideKeyboard() {
        InputMethodManager imm = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
        View view = getCurrentFocus();
        if (view != null) {
            imm.hideSoftInputFromWindow(view.getWindowToken(), 0);
        } else {
            View view = getWindow().getDecorView().getRootView();
            if (view != null) {
                imm.hideSoftInputFromWindow(view.getWindowToken(), 0);
            }
        }
    }