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whycq

2025-02-06 17bb52d9337328323f5f8d2a806cf4f445673b4a

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package com.example.agvcontroller;
 
import android.annotation.SuppressLint;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Button;
 
import androidx.appcompat.app.AppCompatActivity;
import androidx.appcompat.widget.AppCompatImageButton;
import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.RecyclerView;
 
import com.google.gson.Gson;
import com.google.gson.reflect.TypeToken;
 
import java.lang.reflect.Type;
import java.util.ArrayList;
import java.util.List;
 
public class EditeActivity extends AppCompatActivity {
 
    private RecyclerView recyclerView;
    private List<AGVCar> items;
    private EditeAdapter adapter;
    private SharedPreferences sharedPreferences;
    private AppCompatImageButton addItem;
    private Button confirm;
 
    @SuppressLint("WrongViewCast")
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_edite);
        addItem = findViewById(R.id.add_button);
        confirm = findViewById(R.id.confirm_button);
        sharedPreferences = getSharedPreferences("AGVControllerPrefs", MODE_PRIVATE);
 
        // Load items from SharedPreferences
        items = loadItemsFromSharedPreferences();
 
 
        recyclerView = findViewById(R.id.edite_recyclerView);
        recyclerView.setLayoutManager(new LinearLayoutManager(this));
 
 
 
        Log.d("EditeActivity", "onCreate: " + items.size());
        adapter = new EditeAdapter(items);
        recyclerView.setAdapter(adapter);
        addItem.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
 
                items.add(new AGVCar("", "", 0, "", 0));
                adapter.notifyDataSetChanged();
                Log.d("items", items.toString());
            }
        });
        confirm.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                saveItemsToSharedPreferences();
            }
        });
    }
 
    @Override
    protected void onDestroy() {
        super.onDestroy();
        // Save items to SharedPreferences
        saveItemsToSharedPreferences();
    }
 
    private void saveItemsToSharedPreferences() {
        SharedPreferences.Editor editor = sharedPreferences.edit();
        Gson gson = new Gson();
        String json = gson.toJson(items);
        editor.putString("items", json);
        Log.d("save",json);
        editor.apply();
    }
 
    private List<AGVCar> loadItemsFromSharedPreferences() {
        Gson gson = new Gson();
        String json = sharedPreferences.getString("items", null);
        if (json != null) {
            Type type = new TypeToken<List<AGVCar>>(){}.getType();
            return gson.fromJson(json, type);
        }
        return new ArrayList<>();
    }
}