Android动态复选框状态持久化：SharedPreferences实践指南

import android.content.Context;
import android.content.SharedPreferences;
import android.widget.CheckBox;
import android.widget.TableLayout;
import android.widget.TableRow;
import android.util.Log;

import java.util.ArrayList;
import java.util.List;

public class DynamicCheckboxManager {

    private static final String PREFS_NAME = "CheckboxStates";
    private SharedPreferences sharedPreferences;
    private Context context;
    private List<Player> playerDetailsList; // 假设Player是你的数据模型

    public DynamicCheckboxManager(Context context, List<Player> playerDetailsList) {
        this.context = context;
        this.playerDetailsList = playerDetailsList;
        // 初始化SharedPreferences
        sharedPreferences = context.getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE);
    }

    /**
     * 动态创建复选框并设置其初始状态
     * @param tableLayout 要添加复选框的TableLayout
     */
    public void displayTeamAList(TableLayout tableLayout) {
        tableLayout.removeAllViews(); // 清除现有视图，避免重复添加

        if (playerDetailsList == null || playerDetailsList.isEmpty()) {
            Log.d("DynamicCheckbox", "Player list is empty.");
            return;
        }

        for (int i = 0; i < playerDetailsList.size(); i++) {
            Player player = playerDetailsList.get(i);
            String playerId = player.getPlayerID(); // 获取唯一的PlayerID作为键的一部分

            TableRow row = new TableRow(context);
            row.setLayoutParams(new TableRow.LayoutParams(TableRow.LayoutParams.MATCH_PARENT, TableRow.LayoutParams.WRAP_CONTENT));
            row.setPadding(10, 25, 10, 25);

            CheckBox cb = new CheckBox(context);
            cb.setText(player.getPlayerName());
            cb.setId(i); // 可以设置一个视图ID，但更重要的是逻辑上的唯一标识符

            // 构建SharedPreferences的键
            String key = "player_" + playerId + "_checked";

            // 从SharedPreferences加载状态，如果不存在则默认为false
            boolean isChecked = sharedPreferences.getBoolean(key, false);
            cb.setChecked(isChecked);

            // 为复选框设置监听器，以便在状态改变时保存
            cb.setOnCheckedChangeListener((buttonView, isUserChecked) -> {
                // 当复选框状态改变时，保存到SharedPreferences
                SharedPreferences.Editor editor = sharedPreferences.edit();
                editor.putBoolean(key, isUserChecked);
                editor.apply(); // 使用apply()异步保存，提高性能
                Log.d("DynamicCheckbox", "Player " + player.getPlayerName() + " state saved: " + isUserChecked);
            });

            row.addView(cb);
            tableLayout.addView(row);
        }
    }

    // 示例Player数据模型 (需根据实际情况定义)
    public static class Player {
        private String playerID;
        private String playerName;
        // 其他属性...

        public Player(String playerID, String playerName) {
            this.playerID = playerID;
            this.playerName = playerName;
        }

        public String getPlayerID() {
            return playerID;
        }

        public String getPlayerName() {
            return playerName;
        }
    }
}