嗨，我创建了两个数组列表，一个用于我的雇员，另一个用于他们的可用性，数组的大小不同。但是，当我在getItemCount（）中使用较大的数组时，我没有发现问题。

@Override
    public int getItemCount() {
        return allEmployees.size();
    }

我在这里设置了回收器视图，以获取所有员工项目，这是我所需要的，但是我的可用性是一个较短的项目列表，如果我有6个可用性和12个员工，第一页上一切都很顺利，因为它只显示了6个员工，但当你向下滚动时，它会崩溃，因为有第7个员工，但没有第7个可用性。

回收程序视图代码

public class RecycleViewAdapter extends RecyclerView.Adapter<RecycleViewAdapter.MyViewHolder> {
    List<EmployeeModel> allEmployees;
    List<AvailabilityModel> allAvailabilitys;
    Context context;

    public RecycleViewAdapter(List<EmployeeModel> allEmployees, List<AvailabilityModel> allAvailabilitys, Context context) {
        this.allAvailabilitys = allAvailabilitys;
        this.allEmployees = allEmployees;
        this.context = context;

    }

    @NonNull
    @Override
    public MyViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
        View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.recycler_view_employee, parent, false);
        MyViewHolder holder = new MyViewHolder(view);
        return holder;
    }

    @Override
    public void onBindViewHolder(@NonNull MyViewHolder holder, int position) {
        AvailabilityModel available = allAvailabilitys.get(position);
        EmployeeModel employee = allEmployees.get(position);
        holder.employeeID.setText(String.valueOf(allEmployees.get(position).getEID()));
        holder.firstName.setText(allEmployees.get(position).getfName());
        holder.lastName.setText(allEmployees.get(position).getlName());
        //holder.position = position;
        holder.employee = employee;

        holder.editButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                Intent intent = new Intent(context, EditEmployee.class);
                intent.putExtra("Editing", employee);
                context.startActivity(intent);
            }
        });
        holder.availabilityButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                Intent intent = new Intent(context, availability_screen_code.class);
                intent.putExtra("Available", employee);
                intent.putExtra("Days", available);
                context.startActivity(intent);
            }
        });
        holder.parentLayout.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                Intent intent = new Intent(context, ViewEmployee.class);
                intent.putExtra("Viewing", employee);
                context.startActivity(intent);
            }
        });
    }

    @Override
    public int getItemCount() {
        return allEmployees.size();
    }

    public class MyViewHolder extends RecyclerView.ViewHolder{
        TextView firstName;
        TextView lastName;
        TextView employeeID;
        int position;
        ImageButton editButton;
        ImageButton availabilityButton;
        EmployeeModel employee;
        ConstraintLayout parentLayout;

        public MyViewHolder(@NonNull View itemView) {
            super(itemView);
            firstName = itemView.findViewById(R.id.fNameView);
            lastName = itemView.findViewById(R.id.lNameView);
            employeeID = itemView.findViewById(R.id.eIDView);
            editButton = itemView.findViewById(R.id.imageButton2);
            availabilityButton = itemView.findViewById(R.id.imageButton4);
            parentLayout = itemView.findViewById(R.id.parentLayout);
        }
    }
}

"我用的位置"

public class availability_screen_code extends AppCompatActivity implements AdapterView.OnItemSelectedListener {
    private Spinner mondaySpinner, tuesdaySpinner, wednesdaySpinner, thursdaySpinner, fridaySpinner, saturdaySpinner, sundaySpinner;
//    private String mondayChoice, tuesdayChoice, wednesdayChoice, thursdayChoice, fridayChoice, saturdayChoice, sundayChoice;
//    private static final boolean [] choices = new boolean[6];
    private ImageButton confirmation;
    EmployeeDBAssist employeeDB;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.availability_screen);
        mondaySpinner = findViewById(R.id.mondaySpinner);
        tuesdaySpinner = findViewById(R.id.tuesdaySpinner);
        wednesdaySpinner = findViewById(R.id.wednesdaySpinner);
        thursdaySpinner = findViewById(R.id.thursdaySpinner);
        fridaySpinner = findViewById(R.id.fridaySpinner);
        saturdaySpinner = findViewById(R.id.saturdaySpinner);
        sundaySpinner = findViewById(R.id.sundaySpinner);
        confirmation = findViewById(R.id.confirm);
        //this is linked to the recycler which gets an entire list of availability!
        Bundle bundle = getIntent().getExtras();
        AvailabilityModel available = (AvailabilityModel) getIntent().getSerializableExtra("Days");
        EmployeeModel employee = (EmployeeModel) getIntent().getSerializableExtra("Available"); //this is where im using it
        employeeDB = new EmployeeDBAssist(availability_screen_code.this);
        ArrayAdapter<CharSequence> adapter = ArrayAdapter.createFromResource(this, R.array.availableTimes, android.R.layout.simple_spinner_item);
        adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);

        //monday
        mondaySpinner.setAdapter(adapter);
        mondaySpinner.setOnItemSelectedListener(this);
        String availableString = available.getMonday();
        mondaySpinner.setSelection(getIndex(mondaySpinner, availableString));
        Toast.makeText(this, availableString, Toast.LENGTH_SHORT).show();

        //tuesday
        tuesdaySpinner.setAdapter(adapter);
        tuesdaySpinner.setOnItemSelectedListener(this);
        //wednesday
        wednesdaySpinner.setAdapter(adapter);
        wednesdaySpinner.setOnItemSelectedListener(this);
        //thursday
        thursdaySpinner.setAdapter(adapter);
        thursdaySpinner.setOnItemSelectedListener(this);
        //friday
        fridaySpinner.setAdapter(adapter);
        fridaySpinner.setOnItemSelectedListener(this);
        //saturday
        saturdaySpinner.setAdapter(adapter);
        saturdaySpinner.setOnItemSelectedListener(this);
        //sunday
        sundaySpinner.setAdapter(adapter);
        sundaySpinner.setOnItemSelectedListener(this);

        confirmation.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {

                AvailabilityModel availabilityModel;
                try{
                    availabilityModel = new AvailabilityModel(-1, employee.getEID(), mondaySpinner.getSelectedItem().toString(), tuesdaySpinner.getSelectedItem().toString(), wednesdaySpinner.getSelectedItem().toString(), thursdaySpinner.getSelectedItem().toString(), fridaySpinner.getSelectedItem().toString(), saturdaySpinner.getSelectedItem().toString(), sundaySpinner.getSelectedItem().toString());
                    EmployeeDBAssist employeeDBAssist = new EmployeeDBAssist(availability_screen_code.this);
                    employeeDBAssist.updateAvailability(employee.getEID(),mondaySpinner.getSelectedItem().toString(), tuesdaySpinner.getSelectedItem().toString(), wednesdaySpinner.getSelectedItem().toString(), thursdaySpinner.getSelectedItem().toString(), fridaySpinner.getSelectedItem().toString(), saturdaySpinner.getSelectedItem().toString(), sundaySpinner.getSelectedItem().toString());
                    Toast.makeText(availability_screen_code.this, String.valueOf(employee.getEID()) + " " + mondaySpinner.getSelectedItem().toString()+ " " + tuesdaySpinner.getSelectedItem().toString()+ " " + wednesdaySpinner.getSelectedItem().toString()+ " " + thursdaySpinner.getSelectedItem().toString()+ " " + fridaySpinner.getSelectedItem().toString()+ " " + saturdaySpinner.getSelectedItem().toString()+ " " + sundaySpinner.getSelectedItem().toString(), Toast.LENGTH_SHORT).show();
                    boolean success = employeeDBAssist.addAvailability(availabilityModel);
                }
                catch (Exception e){
                    Toast.makeText(availability_screen_code.this, "Error Setting Availability", Toast.LENGTH_SHORT).show();
                }
                Intent i = new Intent(availability_screen_code.this,activity_main_code.class);
                startActivity(i);

                Toast.makeText(availability_screen_code.this, String.valueOf(employee.getEID()) + " " + mondaySpinner.getSelectedItem().toString()+ " " + tuesdaySpinner.getSelectedItem().toString()+ " " + wednesdaySpinner.getSelectedItem().toString()+ " " + thursdaySpinner.getSelectedItem().toString()+ " " + fridaySpinner.getSelectedItem().toString()+ " " + saturdaySpinner.getSelectedItem().toString()+ " " + sundaySpinner.getSelectedItem().toString(), Toast.LENGTH_SHORT).show();
            }
        });
    }

我的availability表有2个值，我的employees表可能有7个值，在getItemCount中，我使用的是employees表的大小;但是，我需要获得我的可用性的位置，以便我可以在另一个类中使用它，它将只对前两个条目有效，一旦我向下滚动视图，它将中断并抛出java.lang.IndexOutOfBoundsException: Index: 2, Size: 2
我尝试为每个添加的雇员添加可用性，但这将破坏我的项目的目的，并增加了额外的一层不必要的复杂性。有没有办法通过使用两个不同大小的单独数组来解决此问题？