安卓开发日记37

科技查询政策的安卓端

package com.example.keji

import android.os.Bundle
import android.util.Log
import androidx.fragment.app.Fragment
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import android.widget.Button
import android.widget.EditText
import android.widget.LinearLayout
import androidx.recyclerview.widget.LinearLayoutManager
import androidx.recyclerview.widget.RecyclerView
import com.example.keji.Service.PolicyService
import com.example.keji.adapter.LeftAdapter
import com.example.keji.pojo.Policy
import com.example.network.ServiceCreator
import retrofit2.Call
import retrofit2.Callback
import retrofit2.Response


class LeftFragment : Fragment() {

    lateinit var searchInput:EditText
    lateinit var searchButton:Button
    lateinit var recyclerView:RecyclerView



    override fun onCreateView(
        inflater: LayoutInflater,
        container: ViewGroup?,
        savedInstanceState: Bundle?
    ): View? {
        return inflater.inflate(R.layout.fragment_left,container,false)
    }

    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
        super.onViewCreated(view, savedInstanceState)

        searchInput=view.findViewById(R.id.search_input)
        searchButton=view.findViewById(R.id.search_button)
        recyclerView=view.findViewById(R.id.recycler_view)
        val policyService=ServiceCreator.create<PolicyService>()


        searchButton.setOnClickListener {
            policyService.selectbyname(searchInput.text.toString()).enqueue(object :Callback<List<Policy>>{
                override fun onResponse(
                    call: Call<List<Policy>>,
                    response: Response<List<Policy>>
                ) {
                    val result=response.body()
                    Log.e("TAG", "onResponse: ${result}", )
                    if (result != null) {
                        Log.e("TAG", "onResponse: ${result.size}", )
                    }

                    recyclerView.layoutManager=LinearLayoutManager(context)
                    val dataList = result// 示例数据
                    recyclerView.adapter=LeftAdapter(dataList)
                }

                override fun onFailure(call: Call<List<Policy>>, t: Throwable) {
                    Log.e("TAG", "onFailure: ${t.printStackTrace()}", )
                }

            })
        }
    }


}

package com.example.keji


import MyExpandableListAdapter
import android.os.Bundle
import android.util.Log
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import android.widget.ExpandableListView
import android.widget.Toast
import androidx.fragment.app.Fragment
import com.example.keji.Service.PolicyService

import com.example.keji.pojo.Policy
import com.example.network.ServiceCreator
import retrofit2.Call
import retrofit2.Callback
import retrofit2.Response
import kotlin.math.log

class RightFragment : Fragment() {

    lateinit var expandableListView:ExpandableListView
    override fun onCreateView(
        inflater: LayoutInflater,
        container: ViewGroup?,
        savedInstanceState: Bundle?
    ): View? {
        return inflater.inflate(R.layout.fragment_right, container, false)
    }

    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
        super.onViewCreated(view, savedInstanceState)

        expandableListView=view.findViewById(R.id.expandableListView)

        val policyService=ServiceCreator.create<PolicyService>()

        val firsts= listOf<String>("综合","科研机构改革","科技计划管理","科技经费与财务","基础研究","平台基地","产业","科技人才")
        // 创建一个空的可变 Map
        val data1: MutableMap<String, MutableList<String>> = mutableMapOf()
        for (first in firsts){

            policyService.gettree(first).enqueue(object :Callback<List<Policy>>{
                override fun onResponse(
                    call: Call<List<Policy>>,
                    response: Response<List<Policy>>
                ) {
                    val result=response.body()
                    val seconds =mutableListOf<String>()
                    if (result != null) {
                        for(res in result){
//                            Log.e("TAG", "name: ${res.name}", )
                            res.name?.let { seconds.add(it) }
                            Log.e("TAG", "firsts: ${firsts}", )
                            Log.e("TAG", "seconds: ${seconds}", )
                        }
                    }
                    Log.e("TAG", "onResponse: ${seconds}", )
                    data1[first]?.addAll(seconds)
                    Log.e("TAG", "data1: ${data1}", )
                }

                override fun onFailure(call: Call<List<Policy>>, t: Throwable) {
                    Log.e("TAG", "onFailure: ", )
                }

            })
        }

        val data = mapOf(
            "综合" to listOf("子项1.1", "子项1.2", "子项1.3"),
            "科研机构改革" to listOf("子项2.1", "子项2.2"),
            "科技计划管理" to listOf("子项3.1", "子项3.2", "子项3.3", "子项3.4"),
            "科技经费与财务" to listOf("子项3.1", "子项3.2", "子项3.3", "子项3.4"),
            "基础研究" to listOf("子项3.1", "子项3.2", "子项3.3", "子项3.4"),
            "平台基地" to listOf("子项3.1", "子项3.2", "子项3.3", "子项3.4"),
            "产业" to listOf("子项3.1", "子项3.2", "子项3.3", "子项3.4"),
            "科技人才" to listOf("子项3.1", "子项3.2", "子项3.3", "子项3.4"),
        )

        val adapter = MyExpandableListAdapter(data)
        expandableListView.setAdapter(adapter)

        // 设置子项点击事件
        expandableListView.setOnChildClickListener { parent, v, groupPosition, childPosition, id ->
            val groupName = adapter.getGroup(groupPosition)
            val childName = adapter.getChild(groupPosition, childPosition)
            Toast.makeText(context, "点击了子项：$groupName - $childName", Toast.LENGTH_SHORT).show()
            true
        }
    }

}