Sp保存

SharedPreferences sp = getSharedPreferences("a", MODE_PRIVATE);
 edit = ();
("isFirst", false);
("json", ());
();
Result result = new Gson().fromJson((), );
Message msg = new Message();
 = result;
(msg);


private Handler handler = new Handler(new () {
    @Override
    public boolean handleMessage(@NonNull Message msg) {
        Result res = (Result) ;
        List<> data = ();
        (data);
        ();
        return false;
    }
});


SharedPreferences sp = getSharedPreferences("a", MODE_PRIVATE);
boolean isFirst = ("isFirst", true);
if(isFirst){
    initData();
}else{
    String json = ("json", "");
    Result result = new Gson().fromJson(json, );
    List<> data = ();
    (data);
    ();
}

*仅供参考