在listView颤动中显示复选框

public class Item {
    private String name;
    private boolean isChecked;

    public Item(String name) {
        this.name = name;
        isChecked = false;
    }

    public String getName() {
        return name;
    }

    public boolean isChecked() {
        return isChecked;
    }

    public void setChecked(boolean checked) {
        isChecked = checked;
    }
}

public class MyAdapter extends ArrayAdapter<Item> {
    private HashMap<Integer, Boolean> selectionMap;

    public MyAdapter(Context context, ArrayList<Item> items) {
        super(context, 0, items);
        selectionMap = new HashMap<>();
    }

    @Override
    public View getView(final int position, View convertView, ViewGroup parent) {
        Item item = getItem(position);
        if (convertView == null) {
            convertView = LayoutInflater.from(getContext()).inflate(R.layout.item_layout, parent, false);
        }

        CheckBox checkBox = convertView.findViewById(R.id.checkBox);
        checkBox.setChecked(item.isChecked());

        checkBox.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
            @Override
            public void onCheckedChanged(CompoundButton compoundButton, boolean isChecked) {
                selectionMap.put(position, isChecked);
            }
        });

        return convertView;
    }

    public HashMap<Integer, Boolean> getSelectionMap() {
        return selectionMap;
    }
}

// 在Activity中使用适配器
public class MainActivity extends AppCompatActivity {
    private ListView listView;
    private MyAdapter adapter;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        listView = findViewById(R.id.listView);
        ArrayList<Item> items = new ArrayList<>();
        // 添加数据项
        // ...

        adapter = new MyAdapter(this, items);
        listView.setAdapter(adapter);
    }

    // 获取选中的项
    private void getSelectedItems() {
        HashMap<Integer, Boolean> selectionMap = adapter.getSelectionMap();
        for (int position : selectionMap.keySet()) {
            if (selectionMap.get(position)) {
                Item item = adapter.getItem(position);
                // 处理选中的项
                // ...
            }
        }
    }
}