android 完美隐藏软键盘

  public void hideSoftInput(Activity activity) {
    // 关闭软键盘
    if (activity.getCurrentFocus() != null) {
      if (activity.getCurrentFocus().getWindowToken() != null) {
        InputMethodManager inputMethodManager = (InputMethodManager) activity.getSystemService(Context.INPUT_METHOD_SERVICE);
        inputMethodManager.hideSoftInputFromWindow(activity.getCurrentFocus().getWindowToken(),InputMethodManager.HIDE_NOT_ALWAYS);
      }
    }
  }