add:设置中常用设置

cloudroam

2025-03-13 e9db61f701979a365a1002d46f1340d539fc2e20

 app/src/main/java/com/example/firstapp/ui/home/HomeFragment.kt

@@ -1,15 +1,21 @@
package com.example.firstapp.ui.home

import android.content.BroadcastReceiver
import android.content.Context
import android.content.Intent
import android.content.IntentFilter
import android.os.Bundle
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import android.widget.TextView
import androidx.core.content.ContextCompat
import androidx.fragment.app.Fragment
import androidx.lifecycle.ViewModelProvider
import androidx.recyclerview.widget.LinearLayoutManager
import androidx.recyclerview.widget.RecyclerView
import com.example.firstapp.R
import com.example.firstapp.activity.PickupActivity
import com.example.firstapp.adapter.ExpressAdapter
import com.example.firstapp.core.Core
import com.example.firstapp.databinding.FragmentHomeBinding
@@ -24,8 +30,9 @@

    private lateinit var homeViewModel: HomeViewModel
    private lateinit var expressAdapter: ExpressAdapter
//    private lateinit var financeAdapter: FinanceAdapter
    //    private lateinit var financeAdapter: FinanceAdapter
//    private lateinit var memorialAdapter: MemorialAdapter
    private lateinit var dataUpdateReceiver: BroadcastReceiver

    //onCreateView这个方法创建后被调用，通常是初始化视图组件和观察者
    override fun onCreateView(
@@ -49,15 +56,35 @@
        observeViewModelData()
    }

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)

        // 创建广播接收器
        dataUpdateReceiver = object : BroadcastReceiver() {
            override fun onReceive(context: Context, intent: Intent) {
                if (intent.action == "com.example.firstapp.DATA_UPDATED") {
                    // 收到数据更新广播时重新加载数据
                    homeViewModel.loadExpressData()
                }
            }
        }
    }

    private fun setupRecyclerViews() {
        // 快递列表
        //layoutManager = LinearLayoutManager(context)：设置 RecyclerView 的布局管理器为线性布局管理器，表示列表是垂直排列的。
        //创建一个 ExpressAdapter 的实例，用于提供 RecyclerView 的数据。
        //将适配器设置给 RecyclerView，以便显示数据。
        binding.expressRecycler.apply {
            layoutManager = LinearLayoutManager(context)
            expressAdapter = ExpressAdapter()
            adapter = expressAdapter

            // 设置点击监听
            expressAdapter.setOnPackageClickListener { group, pack ->
                // 跳转到取件页面
                val intent = Intent(requireContext(), PickupActivity::class.java).apply {
                    putExtra("station_name", group.stationName)
                    putExtra("company", pack.company)
                }
                startActivity(intent)
            }
        }

//        // 财务列表
@@ -92,6 +119,30 @@
//        }
    }

    override fun onResume() {
        super.onResume()
        // 使用 ContextCompat 注册广播接收器，并指定 RECEIVER_NOT_EXPORTED 标志
        ContextCompat.registerReceiver(
            requireContext(),
            dataUpdateReceiver,
            IntentFilter("com.example.firstapp.DATA_UPDATED"),
            ContextCompat.RECEIVER_NOT_EXPORTED
        )
        // 加载数据
        homeViewModel.loadExpressData()
    }

    override fun onPause() {
        super.onPause()
        try {
            // 取消注册广播接收器
            requireContext().unregisterReceiver(dataUpdateReceiver)
        } catch (e: Exception) {
            // 处理可能的异常
            e.printStackTrace()
        }
    }

    override fun onDestroyView() {
        super.onDestroyView()
        _binding = null