重复列表正在添加到android中的gridview中

Question

嗨，我在下面显示日历视图。在日历视图中，我选择日期，并将该日期传递给GetAppointmentDate(已选择日期(，如果已选择日期且我的日期匹配，我将显示网格视图布局。但下面给出了多个列表。

有人能帮我吗？重复的列表每次都在显示。

CalendarViewActivity.java:

public class CalendarViewActivity extends Activity implements DatetimeAdapter.MyItemClickListener{
    private CalendarView mCalendarView;
    private ProgressDialog progressDialog = null;
    private ArrayList<GetData> getDataArrayList;
    private ArrayList<GetSlots> getSlotsArrayList;
    private GridView gridLayout;
    private  GetData getData2;
    private GetSlots getSlots2;
    private String Id,StartTime,SlotBooked,SlotDate,EndTime,SloteTime;
    private DatetimeAdapter datetimeAdapter;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.calendar_view);
        gridLayout=findViewById(R.id.gridlayout);
        getDataArrayList=new ArrayList<>();
        getSlotsArrayList=new ArrayList<>();
        mCalendarView = (CalendarView) findViewById(R.id.calendarView);
        mCalendarView.setMinDate(System.currentTimeMillis() - 1000);
        datetimeAdapter = new DatetimeAdapter(getApplicationContext(), getSlotsArrayList,this);

        mCalendarView.setOnDateChangeListener(new CalendarView.OnDateChangeListener() {
            Calendar calendar = Calendar.getInstance();
            int year1 = calendar.get(Calendar.YEAR);
            int month1 = calendar.get(Calendar.MONTH);
            int dayOfMonth1 = calendar.get(Calendar.DAY_OF_MONTH);
            @Override
            public void onSelectedDayChange(CalendarView CalendarView, int year1, int month1, int dayOfMonth1) {
                String date = new SimpleDateFormat("MM", Locale.getDefault()).format(new Date());
                SimpleDateFormat sdf = new SimpleDateFormat(date);
                String selecteddate = (sdf.format(month1 + 1)) + "/" + dayOfMonth1 + "/" + year1;
                GetAppointmentDate(selecteddate);
                Toast.makeText(getApplicationContext(),selecteddate,Toast.LENGTH_LONG).show();
                }
        });

    }
    private void GetAppointmentDate(String outputcurrentdate) {
//        progressDialog = new ProgressDialog(getApplicationContext());
//        progressDialog.setIndeterminate(true);
//        progressDialog.setMessage("Loading...");
//        progressDialog.setCanceledOnTouchOutside(false);
//        progressDialog.setCancelable(false);
//        progressDialog.show();
        String doctor_ids="13";
        String HospitalId="PH:193";
        final APIService service = RetroClass.getRetrofitInstance().create(APIService.class);
        Call<GetAppointmentDateModel> call = service.GetAppointmentDate(doctor_ids,HospitalId);
        Log.wtf("URL Called", call.request().url() + "");
        call.enqueue(new Callback<GetAppointmentDateModel>() {
            @Override
            public void onResponse(Call<GetAppointmentDateModel> call, Response<GetAppointmentDateModel> response) {
                Log.e("response", new Gson().toJson(response.body()));
                if (response.isSuccessful()) {
                    Log.e("response", new Gson().toJson(response.body()));
                    GetAppointmentDateModel getAppointmentDateModel = response.body();
                    ArrayList<GetData> getData = getAppointmentDateModel.getGetAppointmentList();
                    for (GetData getData1 : getData) {
                        String date1 = getData1.getDate();
                        String id=getData1.getId();
                        DateFormat inputFormatter = new SimpleDateFormat("dd MMM yyyy HH:mm-HH:mm");
                        Date date = null;
                        try {
                            date = inputFormatter.parse(date1);
                            DateFormat outputFormatter = new SimpleDateFormat("MM/dd/yyyy");
                            String output = outputFormatter.format(date);
                            getData2=new GetData(id,output);
                            getDataArrayList.add(getData2);
                            Log.d("dateString",output);
                            ArrayList<GetSlots> getSlots = getData1.getData();
                            for (GetSlots getSlots1 : getSlots) {
                                Id=getSlots1.getId();
                                SlotDate=getSlots1.getDate();
                                StartTime=getSlots1.getStartTime();
                               EndTime=getSlots1.getEndTime();
                                SloteTime=getSlots1.getSlotTime();
                                SlotBooked=getSlots1.getSlotBooked();
                                getSlots2=new GetSlots(Id,SlotDate,StartTime,EndTime,SlotBooked,SloteTime);
                                getSlotsArrayList.add(getSlots2);
                            }
                        } catch (ParseException e) {
                            e.printStackTrace();
                        }
                    }
                    String current_date=getData2.getDate();
                    if(current_date.equals(outputcurrentdate)) {
                        gridLayout.setAdapter(datetimeAdapter);
                        datetimeAdapter.notifyDataSetChanged();
                    }
                }
               // progressDialog.dismiss();
            }
            @Override
            public void onFailure(Call<GetAppointmentDateModel> call, Throwable t) {
                Log.d("error", t.getMessage());
              //  progressDialog.dismiss();
            }
        });

    }
    @Override
    public void myItemClick(int position) {
    }
}

Answer 1

您的列表-getSlotsArrayList每次都会添加新值，并且不会清除任何位置。这是传递给适配器的相同列表。因此它显示多个值。

在此之前调用清除方法

getSlotsArrayList.clear();
GetAppointmentDate(selecteddate);