线路查询的出发表单数据从json获得，以及查询功能

2024-05-27 11:26:47 +08:00 · 2024-05-27 11:26:47 +08:00 · 3a1fe37f2c
parent a61b891fe6
commit 3a1fe37f2c
4 changed files with 202 additions and 81 deletions
--- a/app/src/main/java/com/hnucm/c25/ChufaTable.java
+++ b/app/src/main/java/com/hnucm/c25/ChufaTable.java
@ -7,20 +7,36 @@ import androidx.recyclerview.widget.RecyclerView;

 import android.content.Intent;
 import android.os.Bundle;
+import android.text.Editable;
+import android.text.TextWatcher;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
+import android.widget.EditText;
 import android.widget.ImageView;
 import android.widget.TextView;
+import android.widget.Toast;

+import com.bumptech.glide.Glide;
+import com.bumptech.glide.request.RequestOptions;
+import com.google.gson.Gson;
+
+import java.io.IOException;
 import java.util.ArrayList;
 import java.util.List;

+import okhttp3.Call;
+import okhttp3.Callback;
+import okhttp3.OkHttpClient;
+import okhttp3.Request;
+import okhttp3.Response;
+
 public class ChufaTable extends AppCompatActivity {

    RecyclerView recyclerView;
    MyAdapter myAdapter;
-    List<Position> positionList = new ArrayList<>();
+    List<LineSearch_Item.DepartureDTO> departureDTOS = new ArrayList<>();
+    EditText searchEditText;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
@ -34,30 +50,102 @@ public class ChufaTable extends AppCompatActivity {
                startActivity(intent);
            }
        });
-        for(int i=0;i<6;i++ ){
-            Position position = new Position();
-            position.name = "大望"+i;
-//            position.position="聊天内容";
-            positionList.add(position);
-        }

        recyclerView=findViewById(R.id.recycle);
+        searchEditText = findViewById(R.id.editText3);
        myAdapter = new MyAdapter();
        recyclerView.setAdapter(myAdapter);
        //TODO 一行展示一个
        recyclerView.setLayoutManager(new LinearLayoutManager(this));
-        //TODO 一行展示2个
-//        recyclerView.setLayoutManager(new GridLayoutManager(MainActivity.this,2));
-    }

+        //todo 清除输入框中的内容
+        ImageView delete = findViewById(R.id.imageView138);
+        delete.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                searchEditText.setText("");
+                filterStationList("");
+            }
+        });
+        //todo 根据用户的输入更新下面的recycleview显示内容
+        searchEditText.addTextChangedListener(new TextWatcher() {
+            @Override
+            public void beforeTextChanged(CharSequence s, int start, int count, int after) {
+            }
+
+            @Override
+            public void onTextChanged(CharSequence s, int start, int before, int count) {
+                filterStationList(s.toString());
+            }
+
+            @Override
+            public void afterTextChanged(Editable s) {
+            }
+        });
+        Request request = new Request.Builder()
+                .url("https://test04.usemock.com/linesearch")
+                .get()
+                .build();
+        OkHttpClient okHttpClient = new OkHttpClient();
+        Call call = okHttpClient.newCall(request);
+        //创建了一个线程
+        call.enqueue(new Callback() {
+            @Override
+            public void onFailure(@NonNull Call call, @NonNull IOException e) {
+                //请求失败
+                Toast.makeText(ChufaTable.this, "网络请求失败，请稍后重试", Toast.LENGTH_SHORT).show();
+            }
+            @Override
+            public void onResponse(@NonNull Call call, @NonNull Response response) throws IOException {
+                //请求成功
+                String result = response.body().string();
+//                Log.i("test",result);
+                //所有对于UI控件的操作行为放在主线程中   解决方法：切换到主线程
+                runOnUiThread(new Runnable() {
+                    @Override
+                    public void run() {
+                        try {
+                            Gson gson = new Gson();
+                            LineSearch_Item lineSearchItem = gson.fromJson(result,LineSearch_Item.class);
+                            departureDTOS.addAll(lineSearchItem.departure);
+                            myAdapter.notifyDataSetChanged();
+
+                        } catch (Exception e) {
+                            throw new RuntimeException(e);
+                        }
+
+
+                    }
+                });
+            }
+        });
+    }
+    private void filterStationList(String query) {
+        // 如果查询字符串为空，则显示所有站点
+        if (query.isEmpty()) {
+            myAdapter.updateStationList(new ArrayList<>(departureDTOS));
+        } else
+        {
+            List<LineSearch_Item.DepartureDTO> filteredList = new ArrayList<>();
+            for (LineSearch_Item.DepartureDTO departureDTO : departureDTOS) {
+                if (departureDTO.spotName.toLowerCase().contains(query.toLowerCase())) {
+                    filteredList.add(departureDTO);
+
+                }
+            }
+            myAdapter.updateStationList(filteredList);
+        }
+    }
    //item布局文件中空间初始化
    public class MyViewHolder extends RecyclerView.ViewHolder {
        TextView nameTextView;
        TextView detailTextView;
+        ImageView image;
        public MyViewHolder(@NonNull View itemView) {
            super(itemView);
            nameTextView=itemView.findViewById(R.id.name);
            detailTextView=itemView.findViewById(R.id.position);
+            image=itemView.findViewById(R.id.image);
        }
    }
    public class MyAdapter extends RecyclerView.Adapter<MyViewHolder>{
@ -74,13 +162,17 @@ public class ChufaTable extends AppCompatActivity {
        //设置item中的控件设置值 点击事件
        @Override
        public void onBindViewHolder(@NonNull MyViewHolder holder, int position) {
-            Position position1 = positionList.get(position);
-//            holder.nameTextView.setText(position1.name);
-//            holder.detailTextView.setText(position1.position);
-//            Glide.with(ChufaTable.this)
-//                    .load(chat.imgurl)
-//                    .apply(RequestOptions.bitmapTransform(new CircleCrop()))
-//                    .into(holder.imageView);
+            LineSearch_Item.DepartureDTO dto = departureDTOS.get(position);
+            holder.nameTextView.setText(dto.spotName);
+            holder.detailTextView.setText(dto.weizhi);
+            if(position==0){
+                Glide.with(ChufaTable.this)
+                        .load(R.drawable.train)
+                        .apply(RequestOptions.centerCropTransform())
+                        .into(holder.image);
+            }
+
+
            //TODO 点击事件
            holder.itemView.setOnClickListener(new View.OnClickListener() {
                @Override
@ -88,7 +180,7 @@ public class ChufaTable extends AppCompatActivity {
 //                    Log.i("test","onClick");
                    //TODO 跳转到新的activity
                    Intent intent = new Intent(ChufaTable.this, SearchLine.class);
-                    intent.putExtra("start",position1.name);
+                    intent.putExtra("start",dto.spotName);
                    startActivity(intent);
                }
            });
@ -98,7 +190,12 @@ public class ChufaTable extends AppCompatActivity {
        //item显示条数
        @Override
        public int getItemCount() {
-            return 6;
+            return departureDTOS.size();
+        }
+        public void updateStationList(List<LineSearch_Item.DepartureDTO> filteredList) {
+            departureDTOS.clear();
+            departureDTOS.addAll(filteredList);
+            notifyDataSetChanged();
        }
    }
 }
--- a/app/src/main/java/com/hnucm/c25/LineSearch_Item.java
+++ b/app/src/main/java/com/hnucm/c25/LineSearch_Item.java
@ -0,0 +1,19 @@
+package com.hnucm.c25;
+
+import java.util.List;
+
+public class LineSearch_Item {
+
+    public List<DepartureDTO> departure;
+    public List<DestinationDTO> destination;
+
+    public static class DepartureDTO {
+        public String spotName;
+        public String weizhi;
+    }
+
+    public static class DestinationDTO {
+        public String name;
+        public String didian;
+    }
+}
--- a/app/src/main/res/layout/activity_chufa_table.xml
+++ b/app/src/main/res/layout/activity_chufa_table.xml
@ -6,17 +6,17 @@
    android:layout_height="match_parent"
    tools:context=".ChufaTable">

-    <TextView
-        android:id="@+id/textView155"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_marginStart="8dp"
-        android:background="#ECECEC"
-        android:text="14号线"
-        android:textColor="#9B9B9B"
-        app:layout_constraintBottom_toBottomOf="@+id/textView154"
-        app:layout_constraintStart_toEndOf="@+id/textView154"
-        app:layout_constraintTop_toTopOf="@+id/textView154" />
+<!--    <TextView-->
+<!--        android:id="@+id/textView155"-->
+<!--        android:layout_width="wrap_content"-->
+<!--        android:layout_height="wrap_content"-->
+<!--        android:layout_marginStart="8dp"-->
+<!--        android:background="#ECECEC"-->
+<!--        android:text="14号线"-->
+<!--        android:textColor="#9B9B9B"-->
+<!--        app:layout_constraintBottom_toBottomOf="@+id/textView154"-->
+<!--        app:layout_constraintStart_toEndOf="@+id/textView154"-->
+<!--        app:layout_constraintTop_toTopOf="@+id/textView154" />-->

    <ImageView
        android:id="@+id/imageView18"
@ -35,75 +35,78 @@
        android:layout_marginStart="60dp"
        android:layout_marginEnd="24dp"
        android:background="@drawable/edit_background"
-        android:text="大望"
+        android:hint="请输入出发地"
+        android:textColor="@color/black"
+        android:paddingLeft="8dp"
        app:layout_constraintBottom_toBottomOf="@+id/imageView18"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toEndOf="@+id/imageView18"
        app:layout_constraintTop_toTopOf="@+id/imageView18" />

-    <TextView
-        android:id="@+id/textView149"
-        android:layout_width="match_parent"
-        android:layout_height="1dp"
-        android:layout_marginTop="16dp"
-        android:background="#F3F3F3"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toBottomOf="@+id/editText3" />
-
    <ImageView
-        android:id="@+id/imageView41"
-        android:layout_width="40dp"
-        android:layout_height="40dp"
-        android:layout_marginStart="16dp"
-        app:layout_constraintBottom_toTopOf="@+id/textView152"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toBottomOf="@+id/textView149"
-        app:srcCompat="@drawable/train" />
+        android:id="@+id/imageView138"
+        android:layout_width="20dp"
+        android:layout_height="20dp"
+        android:layout_marginRight="32dp"
+        app:layout_constraintBottom_toBottomOf="@+id/editText3"
+        app:layout_constraintRight_toRightOf="@id/editText3"
+        app:layout_constraintTop_toTopOf="@+id/editText3"
+        app:srcCompat="@drawable/delete" />

-    <TextView
-        android:id="@+id/textView150"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_marginStart="24dp"
-        android:layout_marginBottom="8dp"
-        android:text="大望路（地铁站）"
-        android:textSize="16sp"
-        android:textStyle="bold"
-        app:layout_constraintBottom_toTopOf="@+id/textView154"
-        app:layout_constraintStart_toEndOf="@+id/imageView41" />
+    <!--    <ImageView-->
+<!--        android:id="@+id/imageView41"-->
+<!--        android:layout_width="40dp"-->
+<!--        android:layout_height="40dp"-->
+<!--        android:layout_marginStart="16dp"-->
+<!--        app:layout_constraintBottom_toTopOf="@+id/textView152"-->
+<!--        app:layout_constraintStart_toStartOf="parent"-->
+<!--        app:layout_constraintTop_toBottomOf="@+id/textView149"-->
+<!--        app:srcCompat="@drawable/train" />-->

-    <TextView
-        android:id="@+id/textView152"
-        android:layout_width="match_parent"
-        android:layout_height="1dp"
-        android:layout_marginTop="100dp"
-        android:background="#F3F3F3"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toBottomOf="@+id/textView149" />
+<!--    <TextView-->
+<!--        android:id="@+id/textView150"-->
+<!--        android:layout_width="wrap_content"-->
+<!--        android:layout_height="wrap_content"-->
+<!--        android:layout_marginStart="24dp"-->
+<!--        android:layout_marginBottom="8dp"-->
+<!--        android:text="大望路（地铁站）"-->
+<!--        android:textSize="16sp"-->
+<!--        android:textStyle="bold"-->
+<!--        app:layout_constraintBottom_toTopOf="@+id/textView154"-->
+<!--        app:layout_constraintStart_toEndOf="@+id/imageView41" />-->

-    <TextView
-        android:id="@+id/textView154"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_marginBottom="24dp"
-        android:background="#ECECEC"
-        android:text="1号线"
-        android:textColor="#9B9B9B"
-        app:layout_constraintBottom_toTopOf="@+id/textView152"
-        app:layout_constraintStart_toStartOf="@+id/textView150" />
+<!--    <TextView-->
+<!--        android:id="@+id/textView152"-->
+<!--        android:layout_width="match_parent"-->
+<!--        android:layout_height="1dp"-->
+<!--        android:layout_marginTop="100dp"-->
+<!--        android:background="#F3F3F3"-->
+<!--        app:layout_constraintEnd_toEndOf="parent"-->
+<!--        app:layout_constraintStart_toStartOf="parent"-->
+<!--        app:layout_constraintTop_toBottomOf="@+id/textView149" />-->
+
+<!--    <TextView-->
+<!--        android:id="@+id/textView154"-->
+<!--        android:layout_width="wrap_content"-->
+<!--        android:layout_height="wrap_content"-->
+<!--        android:layout_marginBottom="24dp"-->
+<!--        android:background="#ECECEC"-->
+<!--        android:text="1号线"-->
+<!--        android:textColor="#9B9B9B"-->
+<!--        app:layout_constraintBottom_toTopOf="@+id/textView152"-->
+<!--        app:layout_constraintStart_toStartOf="@+id/textView150" />-->

    <androidx.recyclerview.widget.RecyclerView
        android:id="@+id/recycle"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
-        android:layout_marginTop="173dp"
+        android:layout_marginTop="65dp"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintHorizontal_bias="0.0"
        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toBottomOf="@+id/textView152"
+
+        app:layout_constraintTop_toTopOf="parent"
        app:layout_constraintVertical_bias="0.0" />

 </androidx.constraintlayout.widget.ConstraintLayout>
--- a/app/src/main/res/layout/activity_search_line.xml
+++ b/app/src/main/res/layout/activity_search_line.xml
@ -99,6 +99,7 @@
                android:layout_marginTop="16dp"
                android:layout_marginEnd="64dp"
                android:hint="在哪出发"
+                android:textColor="@color/black"
                app:layout_constraintEnd_toEndOf="parent"
                app:layout_constraintHorizontal_bias="1.0"
                app:layout_constraintStart_toStartOf="parent"
@ -114,6 +115,7 @@
                android:layout_marginStart="64dp"
                android:layout_marginEnd="64dp"
                android:hint="要去哪里"
+                android:textColor="@color/black"
                app:layout_constraintEnd_toEndOf="parent"
                app:layout_constraintStart_toStartOf="parent"
                app:layout_constraintTop_toBottomOf="@+id/editText6">