日报2025512

团队作业开发
设备状况及报修功能

package com.example.sanpaias.activity

import android.content.Intent
import android.os.Bundle
import android.view.MenuItem
import android.view.View
import android.widget.Toast
import androidx.appcompat.app.AppCompatActivity
import androidx.recyclerview.widget.LinearLayoutManager
import androidx.recyclerview.widget.RecyclerView
import androidx.swiperefreshlayout.widget.SwipeRefreshLayout
import com.example.sanpaias.R
import com.example.sanpaias.adapter.DeviceAdapter
import com.example.sanpaias.entity.Device
import com.example.sanpaias.network.RetrofitClient
import kotlinx.coroutines.CoroutineScope
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.launch
import kotlinx.coroutines.withContext

class DeviceListActivity : AppCompatActivity() {

    private lateinit var recyclerView: RecyclerView
    private lateinit var swipeRefreshLayout: SwipeRefreshLayout
    private lateinit var deviceAdapter: DeviceAdapter
    private var deviceList = mutableListOf<Device>()

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_device_list)

        // 设置返回按钮
        supportActionBar?.setDisplayHomeAsUpEnabled(true)
        supportActionBar?.title = "设备列表"

        // 初始化视图
        recyclerView = findViewById(R.id.recyclerView)
        swipeRefreshLayout = findViewById(R.id.swipeRefreshLayout)

        // 设置RecyclerView
        recyclerView.layoutManager = LinearLayoutManager(this)
        deviceAdapter = DeviceAdapter(this, deviceList) { device ->
            // 点击设备项时跳转到故障报修页面
            if (device.status == "正常") {
                val intent = Intent(this, DeviceFaultReportActivity::class.java)
                // 确保正确传递设备对象
                intent.putExtra("device", device)
                startActivity(intent)
            } else {
                Toast.makeText(this, "该设备当前状态为${device.status}，无法报修", Toast.LENGTH_SHORT).show()
            }
        }
        recyclerView.adapter = deviceAdapter

        // 设置下拉刷新
        swipeRefreshLayout.setOnRefreshListener {
            loadDevices()
        }

        // 加载设备数据
        loadDevices()
    }

    private fun loadDevices() {
        swipeRefreshLayout.isRefreshing = true
        
        CoroutineScope(Dispatchers.Main).launch {
            try {
                val response = withContext(Dispatchers.IO) {
                    RetrofitClient.instance.getAllDevices()
                }
                
                if (response.isSuccessful && response.body()?.code == 200) {
                    val devices = response.body()?.data ?: emptyList()
                    deviceList.clear()
                    deviceList.addAll(devices)
                    deviceAdapter.notifyDataSetChanged()
                    
                    // 处理空列表情况
                    if (devices.isEmpty()) {
                        findViewById<View>(R.id.tvEmpty).visibility = View.VISIBLE
                    } else {
                        findViewById<View>(R.id.tvEmpty).visibility = View.GONE
                    }
                } else {
                    Toast.makeText(this@DeviceListActivity, 
                        "获取设备列表失败: ${response.body()?.msg ?: "未知错误"}", 
                        Toast.LENGTH_SHORT).show()
                }
            } catch (e: Exception) {
                e.printStackTrace()
                Toast.makeText(this@DeviceListActivity, 
                    "网络错误，请稍后重试", 
                    Toast.LENGTH_SHORT).show()
            } finally {
                swipeRefreshLayout.isRefreshing = false
            }
        }
    }

    override fun onOptionsItemSelected(item: MenuItem): Boolean {
        if (item.itemId == android.R.id.home) {
            finish()
            return true
        }
        return super.onOptionsItemSelected(item)
    }
    
    override fun onResume() {
        super.onResume()
        // 页面恢复时刷新数据
        loadDevices()
    }
}

package com.example.sanpaias.adapter

import android.content.Context
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import android.widget.TextView
import androidx.cardview.widget.CardView
import androidx.core.content.ContextCompat
import androidx.recyclerview.widget.RecyclerView
import com.example.sanpaias.R
import com.example.sanpaias.entity.Device

class DeviceAdapter(
    private val context: Context,
    private val devices: List<Device>,
    private val onItemClick: (Device) -> Unit
) : RecyclerView.Adapter<DeviceAdapter.DeviceViewHolder>() {

    class DeviceViewHolder(itemView: View) : RecyclerView.ViewHolder(itemView) {
        val cardView: CardView = itemView.findViewById(R.id.cardView)
        val tvDeviceId: TextView = itemView.findViewById(R.id.tvDeviceId)
        val tvDeviceType: TextView = itemView.findViewById(R.id.tvDeviceType)
        val tvLocation: TextView = itemView.findViewById(R.id.tvLocation)
        val tvStatus: TextView = itemView.findViewById(R.id.tvStatus)
    }

    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): DeviceViewHolder {
        val view = LayoutInflater.from(parent.context)
            .inflate(R.layout.item_device, parent, false)
        return DeviceViewHolder(view)
    }

    override fun onBindViewHolder(holder: DeviceViewHolder, position: Int) {
        val device = devices[position]
        
        holder.tvDeviceId.text = "设备编号: ${device.deviceId}"
        holder.tvDeviceType.text = "设备类型: ${device.deviceType}"
        holder.tvLocation.text = "位置: ${device.location}"
        holder.tvStatus.text = "状态: ${device.status}"
        
        // 根据设备状态设置不同颜色
        val statusColor = when (device.status) {
            "正常" -> R.color.status_normal
            "故障" -> R.color.status_fault
            "维护中" -> R.color.status_maintenance
            "报废" -> R.color.status_scrapped
            else -> R.color.status_normal
        }
        holder.tvStatus.setTextColor(ContextCompat.getColor(context, statusColor))
        
        // 设置点击事件 - 确保正确传递完整的设备对象
        holder.cardView.setOnClickListener {
            onItemClick(device)
        }
    }

    override fun getItemCount() = devices.size
}

package com.example.sanpaias.entity

import android.os.Parcel
import android.os.Parcelable

data class Device(
    val deviceId: String,
    val deviceType: String,
    val location: String,
    val status: String
) : Parcelable {
    constructor(parcel: Parcel) : this(
        parcel.readString() ?: "",
        parcel.readString() ?: "",
        parcel.readString() ?: "",
        parcel.readString() ?: ""
    )

    override fun writeToParcel(parcel: Parcel, flags: Int) {
        parcel.writeString(deviceId)
        parcel.writeString(deviceType)
        parcel.writeString(location)
        parcel.writeString(status)
    }

    override fun describeContents(): Int {
        return 0
    }

    companion object CREATOR : Parcelable.Creator<Device> {
        override fun createFromParcel(parcel: Parcel): Device {
            return Device(parcel)
        }

        override fun newArray(size: Int): Array<Device?> {
            return arrayOfNulls(size)
        }
    }
}

package com.example.sanpaias.activity

import android.content.Intent
import android.os.Bundle
import android.view.MenuItem
import android.view.View
import android.widget.Toast
import androidx.appcompat.app.AppCompatActivity
import androidx.recyclerview.widget.LinearLayoutManager
import androidx.recyclerview.widget.RecyclerView
import androidx.swiperefreshlayout.widget.SwipeRefreshLayout
import com.example.sanpaias.R
import com.example.sanpaias.adapter.DeviceAdapter
import com.example.sanpaias.entity.Device
import com.example.sanpaias.network.RetrofitClient
import kotlinx.coroutines.CoroutineScope
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.launch
import kotlinx.coroutines.withContext

class DeviceListActivity : AppCompatActivity() {

    private lateinit var recyclerView: RecyclerView
    private lateinit var swipeRefreshLayout: SwipeRefreshLayout
    private lateinit var deviceAdapter: DeviceAdapter
    private var deviceList = mutableListOf<Device>()

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_device_list)

        // 设置返回按钮
        supportActionBar?.setDisplayHomeAsUpEnabled(true)
        supportActionBar?.title = "设备列表"

        // 初始化视图
        recyclerView = findViewById(R.id.recyclerView)
        swipeRefreshLayout = findViewById(R.id.swipeRefreshLayout)

        // 设置RecyclerView
        recyclerView.layoutManager = LinearLayoutManager(this)
        deviceAdapter = DeviceAdapter(this, deviceList) { device ->
            // 点击设备项时跳转到故障报修页面
            if (device.status == "正常") {
                val intent = Intent(this, DeviceFaultReportActivity::class.java)
                // 确保正确传递设备对象
                intent.putExtra("device", device)
                startActivity(intent)
            } else {
                Toast.makeText(this, "该设备当前状态为${device.status}，无法报修", Toast.LENGTH_SHORT).show()
            }
        }
        recyclerView.adapter = deviceAdapter

        // 设置下拉刷新
        swipeRefreshLayout.setOnRefreshListener {
            loadDevices()
        }

        // 加载设备数据
        loadDevices()
    }

    private fun loadDevices() {
        swipeRefreshLayout.isRefreshing = true
        
        CoroutineScope(Dispatchers.Main).launch {
            try {
                val response = withContext(Dispatchers.IO) {
                    RetrofitClient.instance.getAllDevices()
                }
                
                if (response.isSuccessful && response.body()?.code == 200) {
                    val devices = response.body()?.data ?: emptyList()
                    deviceList.clear()
                    deviceList.addAll(devices)
                    deviceAdapter.notifyDataSetChanged()
                    
                    // 处理空列表情况
                    if (devices.isEmpty()) {
                        findViewById<View>(R.id.tvEmpty).visibility = View.VISIBLE
                    } else {
                        findViewById<View>(R.id.tvEmpty).visibility = View.GONE
                    }
                } else {
                    Toast.makeText(this@DeviceListActivity, 
                        "获取设备列表失败: ${response.body()?.msg ?: "未知错误"}", 
                        Toast.LENGTH_SHORT).show()
                }
            } catch (e: Exception) {
                e.printStackTrace()
                Toast.makeText(this@DeviceListActivity, 
                    "网络错误，请稍后重试", 
                    Toast.LENGTH_SHORT).show()
            } finally {
                swipeRefreshLayout.isRefreshing = false
            }
        }
    }

    override fun onOptionsItemSelected(item: MenuItem): Boolean {
        if (item.itemId == android.R.id.home) {
            finish()
            return true
        }
        return super.onOptionsItemSelected(item)
    }
    
    override fun onResume() {
        super.onResume()
        // 页面恢复时刷新数据
        loadDevices()
    }
}

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".activity.DeviceListActivity">

    <androidx.appcompat.widget.Toolbar
        android:id="@+id/toolbar"
        android:layout_width="match_parent"
        android:layout_height="?attr/actionBarSize"
        android:background="?attr/colorPrimary"
        android:elevation="4dp"
        android:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        app:popupTheme="@style/ThemeOverlay.AppCompat.Light"
        app:title="设备列表" />

    <androidx.swiperefreshlayout.widget.SwipeRefreshLayout
        android:id="@+id/swipeRefreshLayout"
        android:layout_width="match_parent"
        android:layout_height="0dp"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/toolbar">

        <androidx.recyclerview.widget.RecyclerView
            android:id="@+id/recyclerView"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:clipToPadding="false"
            android:padding="8dp" />

    </androidx.swiperefreshlayout.widget.SwipeRefreshLayout>

    <ProgressBar
        android:id="@+id/progressBar"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:visibility="gone"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

    <TextView
        android:id="@+id/tvEmpty"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="暂无设备数据"
        android:textSize="16sp"
        android:visibility="gone"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

</androidx.constraintlayout.widget.ConstraintLayout>

<?xml version="1.0" encoding="utf-8"?>
<androidx.cardview.widget.CardView xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:id="@+id/cardView"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:layout_margin="8dp"
    app:cardCornerRadius="8dp"
    app:cardElevation="4dp">

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="vertical"
        android:padding="16dp">

        <TextView
            android:id="@+id/tvDeviceId"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:text="设备编号: FIRE001"
            android:textSize="16sp"
            android:textStyle="bold" />

        <TextView
            android:id="@+id/tvDeviceType"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_marginTop="8dp"
            android:text="设备类型: 消防喷淋系统" />

        <TextView
            android:id="@+id/tvLocation"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_marginTop="8dp"
            android:text="设备位置: B1层消防通道" />

        <TextView
            android:id="@+id/tvStatus"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_marginTop="8dp"
            android:text="状态: 正常"
            android:textStyle="bold" />
    </LinearLayout>
</androidx.cardview.widget.CardView>