[WEEK5]: 공공 API 연결

app/src/main/AndroidManifest.xml

@@ -14,9 +14,12 @@
         android:supportsRtl="true"
         android:theme="@style/Theme.GDSC"
         tools:targetApi="31">
+        <activity
+            android:name=".week5.WeatherActivity"
+            android:exported="false" />
         <activity
             android:name=".week4.MemberListActivity"
-            android:exported="true" >
+            android:exported="true">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
 
@@ -25,9 +28,7 @@
         </activity>
         <activity
             android:name=".week3.MainActivity"
-            android:exported="true">
-
-        </activity>
+            android:exported="true"></activity>
     </application>
 
 </manifest>

app/src/main/java/com/example/gdsc/week5/ApiFactory.kt

@@ -0,0 +1,18 @@
+package com.example.gdsc.week5
+
+import com.jakewharton.retrofit2.converter.kotlinx.serialization.asConverterFactory
+import kotlinx.serialization.json.Json
+import okhttp3.MediaType.Companion.toMediaType
+import retrofit2.Retrofit
+
+object ApiFactory {
+    private const val BASE_URL =
+        "http://apis.data.go.kr/1360000/VilageFcstInfoService_2.0"
+
+    val retrofit: Retrofit by lazy {
+        Retrofit.Builder()
+            .baseUrl(BASE_URL)
+            .addConverterFactory(Json.asConverterFactory("application/json".toMediaType()))
+            .build()
+    }
+}

app/src/main/java/com/example/gdsc/week5/ServicePool.kt

@@ -0,0 +1,6 @@
+package com.example.gdsc.week5
+
+
+object ServicePool {
+    val getTodayWeather = ApiFactory.retrofit.create(WeatherApiService::class.java)
+}

app/src/main/java/com/example/gdsc/week5/WeatherActivity.kt

@@ -0,0 +1,56 @@
+package com.example.gdsc.week5
+
+import androidx.appcompat.app.AppCompatActivity
+import android.os.Bundle
+import android.util.Log
+import com.example.gdsc.R
+import retrofit2.Call
+import retrofit2.Response
+import java.time.LocalDate
+import java.time.LocalDateTime
+import java.time.format.DateTimeFormatter
+
+class WeatherActivity : AppCompatActivity() {
+
+    private val getWeatherService = ServicePool.getTodayWeather
+
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_weather)
+        getWeatherrApi()
+    }
+
+    private fun getWeatherrApi() {
+        val todayDate: LocalDate = LocalDate.now()
+        val formatter = DateTimeFormatter.ofPattern("yyyyMMdd")
+        val formatted_td = todayDate.format(formatter)
+
+        getWeatherService.getTodayWeather(
+            "xchJvCufUN4CvhDfeaLEU1rLlup%2B4jNH9RSALuQi97KuXpkVWZtPjHK7KUbEoHhWZ5gTmz2xOdtdgbFrpfP7Qg",
+            1,
+            1,
+            "JSON",
+            formatted_td.toString(),
+            "0600",
+            55,
+            127,
+        ).enqueue(object : retrofit2.Callback<WeatherDto> {
+            override fun onResponse(
+                call: Call<WeatherDto>, response: Response<WeatherDto>
+            ) {
+                if (response.isSuccessful) {
+                    response.body()?.let {
+                        Log.d("api_result", it.toString())
+                    }
+                } else {
+                    Log.d("error", "실패한 응답")
+                }
+            }
+
+            override fun onFailure(call: Call<WeatherDto>, t: Throwable) {
+                t.message?.let { Log.d("error", it) } ?: "서버통신 실패(응답값 X)"
+            }
+        })
+    }
+}

app/src/main/java/com/example/gdsc/week5/WeatherApiService.kt

@@ -0,0 +1,19 @@
+package com.example.gdsc.week5
+
+import retrofit2.Call
+import retrofit2.http.GET
+import retrofit2.http.Query
+
+interface WeatherApiService {
+    @GET("/getUltraSrtNcst")
+    fun getTodayWeather(
+        @Query("serviceKey") serviceKey: String,
+        @Query("numOfRows") numOfRows: Int = 1,
+        @Query("pageNo") pageNo: Int = 1,
+        @Query("dataType") dataType: String,
+        @Query("base_date") base_date: String,
+        @Query("base_time") base_time: String,
+        @Query("nx") nx: Int,
+        @Query("ny") ny: Int
+    ): Call<WeatherDto>
+}

app/src/main/java/com/example/gdsc/week5/WeatherDto.kt

@@ -0,0 +1,65 @@
+package com.example.gdsc.week5
+
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class WeatherDto(
+    @SerialName("response")
+    val response: Response
+){
+    @Serializable
+    data class Response(
+        @SerialName("header")
+        val header: Header,
+        @SerialName("body")
+        val body: Body
+    ){
+        @Serializable
+        data class Header(
+            @SerialName("resultCode")
+            val resultCode: String,
+            @SerialName("resultMsg")
+            val resultMsg: String
+        )
+        @Serializable
+        data class Body(
+            @SerialName("dataType")
+            val dataType: String,
+            @SerialName("items")
+            val items: Items,
+            @SerialName("numOfRows")
+            val numOfRows: Int,
+            @SerialName("pageNo")
+            val pageNo: Int,
+            @SerialName("totalCount")
+            val totalCount: Int
+        ){
+            @Serializable
+            data class Items(
+                @SerialName("item")
+                val item: List<Item>
+            ){
+                @Serializable
+                data class Item(
+                    @SerialName("baseDate")
+                    val baseDate: String,
+                    @SerialName("baseTime")
+                    val baseTime: String,
+                    @SerialName("category")
+                    val category: String,
+                    @SerialName("nx")
+                    val nx: Int,
+                    @SerialName("ny")
+                    val ny: Int,
+                    @SerialName("obsrValue")
+                    val obsrValue: String
+                )
+            }
+        }
+
+    }
+}
+
+
+

app/src/main/res/layout/activity_weather.xml

@@ -0,0 +1,9 @@
+<?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=".week5.WeatherActivity">
+
+</androidx.constraintlayout.widget.ConstraintLayout>