public static SharedPreferences sharedPreferences;
private SharedPreferences.Editor edit;
List<CarBean> carlist = new ArrayList<>();
sharedPreferences = getSharedPreferences("sp",MODE_PRIVATE);
CarBean carBean = new CarBean(carnums, carids);
//存
carlist.add(carBean);
Gson gson = new Gson();
//转换成json数据,再保存
edit = sharedPreferences.edit();
String Json = gson.toJson(carlist);
edit.putString("carbean", Json);
edit.commit();
//取
String carbean1 =sharedPreferences.getString("carbean", "");
if (carbean1 != null) {
Gson gson = new Gson();
List<CarBean> datalist = gson.fromJson(carbean1, new TypeToken<List<CarBean>>() {
}.getType());
if (datalist!=null){
carlist = datalist;
}
}
list集合存入sharedPreferences
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转载自blog.csdn.net/qq_43603372/article/details/92805389
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