/**
 * 隐藏软件盘
 * @param activity
 */
public static void hideKeyboard(Activity activity) {
    InputMethodManager imm = (InputMethodManager) activity.getSystemService(Context
            .INPUT_METHOD_SERVICE);
    // 隐藏软键盘
    imm.hideSoftInputFromWindow(activity.getWindow().getDecorView().getWindowToken(), 0);
}