我可以在Flutter中将List放入SharedPreferences中吗？ [英] Can i put List into SharedPreferences in Flutter?

问题描述

我可以将 ArrayList 或 List 对象放入 SharedPreferences 在Flutter吗？因为我只是意识到颤振并没有使飞镖飞起来

Can I put ArrayList or List object to SharedPreferences in Flutter? Cause I just realized that flutter haven't gson in their dart

所以..我想通过点击星形图标来保存喜欢的书，当我点击时，图书将保存在sharedPreferences中。

So..i want to save like favorite books by tapping star icon, and when I tap that, that books will be saved in sharedPreferences.

我可以看到我最喜欢的图书列表。

and I can see the list of my favorite books.

推荐答案

您可以将 List< String> 保存在<$ c $中c> SharedPreferences 。这是您应该如何做。

You can save List<String> in SharedPreferences. Here is how you should do it.

prefs.setStringList("key", yourList);

---

---

SharedPreferences prefs;
List<String> list;
// ...


Future<bool> _saveList() async {
  return await prefs.setStringList("key", list);
}

List<String> _getList() {
  return prefs.getStringList("key");
}

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